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DATA SHEET
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MINIATURE SIGNAL RELAY
RoHS Compliant
UA2/UB2 SERIES
SUPER-COMPACT SIZE, SLIM-PACKAGE
DESCRIPTION
NEC TOKIN UA2/UB2 relay is a new generation miniature signal relay, super-compact and slim.
FEATURES
Small mounting size of slim package for dense mounting Telcordia (2500 V) and FCC (1500 V) surge capacity IEC60950/UL1950/EN60950 spacing and high breakdown voltage (Basic insulation class on 200 V working voltage) Low power consumption (100-140 mW)
APPLICATIONS
Electronic switching systems, PBX, Terminal equipment, Telephone system
For Right Use of Miniature Relays DO NOT EXCEED MAXIMUM RATINGS. Do not use relays under exceeding conditions such as over ambient temperature, over voltage and over current. Incorrect use could result in abnormal heating, damage to related parts or cause burning. READ CAUTIONS IN THE SELECTION GUIDE. Read the cautions described in NEC TOKIN's "Miniature Relays" when you choose relays for your application.
The information in this document is subject to change without notice.
(c) NEC TOKIN Corporation 2007
UA2/UB2 SERIES
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DIMENSIONS AND PAD LAYOUTS
UA2 SERIES
10.6 (0.417)
Unit: mm (inch)
(mm) (1.5) 3.2 (1.5) 2.2 8- 0.85
5.7 (0.224)
7.6 2.2
0.5 8.0 (0.020) (0.315)
3.2
3.4 (0.134) [1.5] 3.2 (0.126) [1.5] 2.2 2.2 (0.087) (0.087)
NOTE. General tolerance :0.1 (Bottom view)
3.2 (0.126) Lead size 0.4x0.2 0.1
Tolerance of lead pitch is 0.15mm (0.006inch) Other tolerances 0.3mm (0.012inch) NJ type: Lead length 2.8mm
UB2 SERIES
STANDARD
10.6 (0.417) 5.7 (0.224)
(1.5) 3.2 7.6 2.2 2.2
(mm) (1.5)
8.8 max. (0.315)
3.1
5.3
[1.5]
3.2 2.2 2.2 (0.126) (0.087) (0.087)
[1.5]
3.2 (0.126) 7.4 (0.291) Lead size 0.4x0.2 0.1
(Top view) 0.8 NOTE. General tolerance :0.1
Tolerance of lead pitch is 0.15mm (0.006inch) Other tolerances 0.3mm (0.012inch)
MINIMUM FOOTPRINT TYPE
(mm)
10.6 (0.417)
5.7 (0.224)
(1.5) 3.2
7.6 2.2 2.2
(1.5)
9.0 max. (0.354)
4.6
[1.5]
3.2 2.2 2.2 (0.126) (0.087) (0.087)
[1.5]
3.2 (0.126) 5.7 (0.224) Lead size 0.4x0.2 0.1
2.25
0.8 NOTE. General tolerance :0.1 (Top view)
Tolerance of lead pitch is 0.15mm (0.006inch) Other tolerances 0.3mm (0.012inch)
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PIN CONFIGURATIONS (Bottom view)
Direction mark 1 + 2 3 4
Direction mark 1 +SR 2 3 4
8 7 6 5
-+ 8 7 6 5
Non-latch type (Not energized position)
S: Coil polarity for Set R: Coil polarity for Reset Single coil latch type (Reset position)
MARKINGS (top view)
(1)
0501F UB2-4.5NU JAPAN
(4)
(1) Part number (2) Manufacturer (3) Country of origin (4) Date code (5) Direction mark (pin No. 1 and 8)
(5) (2) (3)
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UA2/UB2 SERIES
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GENERAL SPECIFICATIONS
Contact Form Contact Material Maximum Switching Power Contact Ratings Maximum Switching Voltage Maximum Switching Current Maximum Carrying Current Minimum Contact Ratings Initial Contact Resistance Operate Time (Excluding bounce) Release Time (Excluding bounce) Insulation Resistance Between open contacts Between adjacent contacts Between coil and contacts 2 Form C Silver alloy with gold alloy overlay 30 W, 37.5 VA 220 VDC, 250 VAC 1A 1A 10 m VDC, 10A *1 100 m max. (initial) Approx. 2 ms Approx. 1 ms 1000 M at 500 VDC 1000 VAC (for one minute) 1500 V surge (10x160 s *2) 1000 VAC (for one minute) 1500 V surge (10x160 s *2) 1500 VAC (for one minute) , 2500 V surge (2x10 s *3) 735 m/s2 (75G) (misoperation) 2 980 m/s (100G) (destructive failure) 10 to 55 Hz, double amplitude 3 mm(20G) (misoperation) 10 to 55 Hz, double amplitude 5 mm(30G) (destructive failure) -40 to +85 C 18 C at nominal coil voltage (140mW) 5x107 operations (Non-latch type) *4 7 1x10 operations (latch type) 5 30 VDC 1A (resistive), 1x10 operations at 20C,1Hz 125 VAC 0.3A (resistive), 1x10 Approx. 1g
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Withstanding Voltage
Shock Resistance Vibration Resistance Ambient Temperature Coil Temperature Rise Non-load Running Specifications Load Weight
* 1 This value is a reference value in the resistance load.
operations at 20C,1Hz
Minimum capacity changes depending on switching frequency and environment temperature and the load. * 2 rise time: 10 s, decay time to half crest: 160 s * 3 rise time: 2 s, decay time to half crest: 10 s * 4 This shows the number of operations with fatal defects. Stable characteristics are maintained for 1x10 operations.
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COIL SPECIFICATIONS
Non-latch Type Nominal Coil Voltage (VDC) 3 4.5 5 9 12 24
Coil Resistance ()10% 64.3 145 178 579 1028 2504
Must Operate Voltage* (VDC) 2.25 3.38 3.75 6.75 9.0 18.0 Set Voltage* (VDC) 2.25 3.38 3.75 6.75 9.0
Must Release Voltage* (VDC) 0.3 0.45 0.5 0.9 1.2 2.4 Reset Voltage* (VDC) 2.25 3.38 3.75 6.75 9.0 Must Release Voltage* (VDC) 0.3 0.45 0.5
at 20C Nominal Operating Power (mW) 140 140 140 140 140 230 at 20C Nominal Operating Power (mW) 100 100 100 100 100 at 20C Nominal Operating Power (mW) 100 100 100
Single Coil Latch Type Nominal Coil Coil Voltage Resistance (VDC) ()10% 3 4.5 5 9 12 90 202.5 250 810 1440
Non-latch Low Power Consumption Type Nominal Coil Must Operate Coil Voltage Resistance Voltage* (VDC) ()10% (VDC) 3 4.5 90 202.5 2.25 3.38 3.75
5 250 Note * Test by pulse voltage
SAFETY STANDARD AND RATING
UL Recognized (UL508)* File No E73266 CSA Certificated (CSA C22.2 No14)** File No LR46266 TUV Certificate (EN61810) No. 2050596 Creepage and clearance of coil to contact is more than 2 mm. (According to EN60950) Basic insulation class
30 VDC, 1 A (Resistive) 110 VDC, 0.3 A (Resistive) 125 VAC, 0.5A (Resistive)
* Spacing: UL840, **Spacing: CSA std950
RECOMMENDED RELAY DRIVE CONDITIONS
Drive under conditions. If it is impossible, please inquire to NEC TOKIN.
Non-latch type Single coil latch type
Voltage: within 5% of nominal voltage Square pulse (rise and fall time is rapid) pulse height : within 5% of nominal voltage pulse width : more than 10 ms
Ambient temperature - 40 to +85 C
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PART NUMBER SYSTEM
UA2-3SNU NU: Standard NJ: Trimmed lead type NE: Low power consumption type Nil: Non-latch type S: Single coil latch type Nominal coil voltage (A numerical value of coil voltage) UA2 series UB2-3SNU-L Packing Nil: Tube L: Embossed carrying tape NU: Standard NUN: Minimum footprint type NE: Low power consumption type NEN: Low power consumption, Minimum footprint type Nil: Non-latch type S: Single coil latch type Nominal coil voltage (A numerical value of coil voltage) UB2 series
ORDERING PART NUMBERS
UA2 series Option Terminal packing Nominal Coil Voltage (VDC)
3 4.5 Standard 5 9 12 Tube 24 3 4.5 Trimmed lead 5 9 12 24
Coil Type Non-latch
UA2-3NU UA2-4.5NU UA2-5NU UA2-9NU UA2-12NU UA2-24NU UA2-3NJ UA2-4.5NJ UA2-5NJ UA2-9NJ UA2-12NJ UA2-24NJ
Single Coil Latch
UA2-3SNU UA2-4.5SNU UA2-5SNU UA2-9SNU UA2-12SNU UA2-3SNJ UA2-4.5SNJ UA2-5SNJ UA2-9SNJ UA2-12SNJ -
Non-latch Low power consumption
UA2-3NE UA2-4.5NE UA2-5NE -
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UA2/UB2 SERIES
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UB2 series Option Terminal packing Nominal Coil Voltage (VDC)
3 4.5 Tube 5 9 12 Standard 24 3 4.5 Taping 5 9 12 24 3 4.5 Tube 5 9 12 Minimum foot print 24 3 4.5 Taping 5 9 12 24
Coil Type Non-latch
UB2-3NU UB2-4.5NU UB2-5NU UB2-9NU UB2-12NU UB2-24NU UB2-3NU-L UB2-4.5NU-L UB2-5NU-L UB2-9NU-L UB2-12NU-L UB2-24NU-L UB2-3NUN UB2-4.5NUN UB2-5NUN UB2-9NUN UB2-12NUN UB2-24NUN UB2-3NUN-L UB2-4.5NUN-L UB2-5NUN-L UB2-9NUN-L UB-12NUN-L UB2-24NUN-L
Single Coil Latch
UB2-3SNU UB2-4.5SNU UB2-5SNU UB2-9SNU UB2-12SNU UB2-3SNU-L UB2-4.5SNU-L UB2-5SNU-L UB2-9SNU-L UB2-12SNU-L UB2-3SNUN UB2-4.5SNUN UB2-5SNUN UB2-9SNUN UB2-12SNUN UB2-3SNUN-L UB2-4.5SNUN-L UB2-5SNUN-L UB2-9SNUN-L UB2-12SNUN-L -
Non-latch Low power consumption
UB2-3NE UB2-4.5NE UB2-5NE UB2-3NE-L UB2-4.5NE-L UB2-5NE-L UB2-3NEN UB2-4.5NEN UB2-5NEN UB2-3NEN-L UB2-4.5NEN-L UB2-5NEN-L -
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UA2/UB2 SERIES
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PERFORMANCE DATA
COIL TEMPERATURE RISE
Temperature is measured by coil resistance Coil temperature Rise (C ) Coil temperature
60 40 20 0 0 100 200 300 Applied power (mW)
Rise (C)
30 20
Applied power 0.23W
Applied power 0.14W
10 0
Applied power 0.1W
0
5
10
15
20
Applied time (minute)
SWITCHING CAPACITY
This is allowed maximum value. Inquire with NEC TOKIN for maximum value under continuous use.
MAXIMUM COIL VOLTAGE
This is a maximum value of permissible alteration. Inquire with NEC TOKIN under continuous use.
2.0
Contact current (A)
DC(Resistive) AC(Resistive) Ratio nominal coil voltage
200
of 150
1.0 0.5
100 50 -40 -20 0 20 40 60 80 100
0.2 0.1 10 20 50 100
(%)
250VAC 220VDC
Contact voltage (V)
Ambient temperature (C)
APPLIED VOLTAGE VS. TIMING 4 3
Operate time (ms)
(Sample:UA2-5NU) 4 3
Release time (ms) (Without coil diode)
2 1 0
2 1 0
0
100
150
200
250
0
100
200
300
400
Applied power (mW)
Applied power (mW)
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UA2/UB2 SERIES
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This shows a typical change of operate (release) voltage. The value of must operate is estimated, so coil voltage must be applied more than this value for safety operation. For hot start operation, please inquire with NEC TOKIN.
100 80
Ratio of nominal coil voltage (%) Must operate voltage Operate voltage (typical)
60 40 20 0 -40 -20 0 20 40 60 80 100
Release voltage (typical)
Ambient temperature (C) RUNNING TEST (Non-load) (Load: none, Drive:5VDC50Hz50%duty, Ambient temperature :room temperature, Sample:UA2-5NU ,20pieces)
10000 5 Contact resistance (m) 100 1000 Operate 4 voltage 3 (V) Release 2 voltage 1 (V) 0 0 20 50 100
4
Operate voltage
Release voltage
10 500 1000
0
20
50
100
4
500
1000
Operations (x10 )
Operations (x10 )
RUNNING TEST (Load) (Load: 50VDC 0.1A resistive,Drive:5V.DC,5Hz,50%duty,Ambient temperature:85C, Sample:UA2-5NU ,10pieces)
10000 5 4 Contact resistance (m) 100 1000 Operate 3 voltage 2 (V) Release 1 0 10 0 2 5 10
4
Operate voltage
Release voltage
0 50 100
2
5
10
4
50
100
Operations (x10 )
Operations (x10 )
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BREAKDOWN VOLTAGE
Sample: UA2-5NU 10peices
(a) Between open contacts 100 Distribution 50 Distribution (%) 0
(b) Between adjacent contacts 100 50
0.5
1.0 1.5 2.0 Breakdown voltage (K V) (C) Between coil and contact 100 Distribution (%) 50
0
1.0
1.5
2.0
2.5
Breakdown voltage (K V)
0
1.5
2.0
2.5
2.5over
Breakdown voltage (K V)
ALTERNATION OF VOLTAGE AT DENSELY MOUNTING (Magnet interference)
Alternation of operate voltage +40 +30 +20 +10 Ratio of 0 -20 -30 -40 a b c d e f Ratio of alternation (%) -10 +40 +30 +20 +10 0 alternation (%) -10 -20 -30 -40 a
Alternation of operate voltage
b
c
d
e
f
Mounting layout
Mounting layout
Device under test ON ON OFF OFF
ON
OFF
3mm ON OFF c d
2.5mm
a
b
ON ON ON
OFF OFF OFF e f
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PACKING DIMENSIONS (Unit: mm)
TUBE PACKING (UA2/UB2)
15.1
50 pieces / Tube (anti-static)
10.1
560
Rubber stopper (Yellow) Direction of relay direction mark
Rubber stopper (Green)
TAPE PACKING (UB2)
APPEARANCE
Reel Emboss Carrying tape
800 pieces / Reel Reel diameter: 380mm
Top cover tape
TAPE DIMENSIONS
A 2.0 1.5 2.2 12 4 11.5 11.4 24.0 B 1.75 0.4
A UB2-xxNU-L UB2-xxNE-L UB2-xxNUN-L UB2-xxNEN-L Max.9.4
B 8.2
Max.9.5
6.7
RELAY DIRECTION AND TAPE CARRYING DIRECTION
Sprocket hole Direction mark
Direction of unreeling
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SOLDERING TEMPERATURE CONDITION
THROUGH-HOLE MOUNTING (UA2) 1. Automatic soldering Preheating: 110~ 120C /110 sec. (max.) Solder temperature: 260C max. Solder time: 5 seconds max. Note: NEC TOKIN recommends cooling down a printed circuit board less than 110C within 40 seconds after soldering.
2. Manual soldering Solder temperature: 350C max. Solder time: 3 seconds max.
SURFACE-MOUNTING TYPE (UB2) IRS Method
Temperature () 220 200 180
max. 240
45 (max.70) 70 (max.120) 190 (max.300)
Time (sec.)
Note: 1. Temperature profile shows printed circuit board surface temperature on the relay terminal portion. 2. Check the actual soldering condition to use other method except above mentioned temperature profiles.
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NOTE ON CORRECT USE
1. Notes on contact load Make sure that the contact load is within the specified range; otherwise, the lifetime of the contacts will be shortened considerably. Note that the running performance shown is an example, and that it varies depending on parameters such as the frequency, driver circuit, and operating conditions. circuit before type of load, switching used within the specified temperature range. Use of a relay at a temperature outside this range may adversely affect insulation or contact performance. - If the relay is used for a long period of time in highly humid (RH 85% or higher) environment, moisture may be absorbed into the relay. This moisture may react with the NOx and SOx generated by glow discharges that occur when the contacts are opened or closed, producing nitric or sulfuric acid. If this happens, the acid produced may corrode the metallic parts of the relay, causing operational malfunction. - If any material containing silicon (silicon rubber, silicon oil, and silicon based coating material) is used in the neighborhood of relay, there is some possibility that these materials will emit silicon gas that will penetrate the relay. In this case, the switching contact may generate silicon compounds on the surface of contacts. This silicon compound may result in contact failure. Avoid use of relay in such an environment. Because the operating temperature range varies depending on the humidity, use the relay in the temperature range illustrated in the figure below. Prevent the relay from being frozen and avoid the generation of condensation.
ambient temperature under the actual using the relay. 2. Driving relays
Evaluate the performance by using the actual
- If the internal connection diagram of a relay shows + and symbols on the coil, apply the rated voltage to the relay in direction. If a rippled DC current source is as beat at the coil may occur. the specified
used, abnormalities such relay
- The maximum voltage that can be applied to the coil of the varies depending on the ambient temperature. the voltage applied to the coil, the contacts and Generally, the higher
shorter the operating time. Note, however, that a high voltage also increases the bounce of the shorten the lifetime of the contacts. - If the driving voltage waveform of the relay coil rises and falls gradually, the inherent performance of the relay may not be fully realized. Make sure that the voltage waveform instantaneously rises and falls as a pulse. the contact opening and closing frequency, which may
85 80 60 Humidity (%RH) 40 20 5 -60 -40 -20 0 20 40 60 80 100
Nominal coil voltage 0
<1msec.
<1msec.
Temperature (C )
- The relay maintains constant sealability under normal atmospheric pressure (810 to 1,200 hpa). Its sealability may be degraded or the relay may be deformed and malfunction
- For a latching relay, apply a voltage to the coil according to the polarity specified in the internal connection diagram of the relay. - If a current is applied to the coil over a long period of time, the coil temperature rises, promoting generation of organic gas inside the relay, which may result in faulty contacts. In this case, use of a latching relay is recommended. - The operating time and release time indicate the time required for each contact to close after the voltage has been applied to or removed from the coil. However, because the relay has a mechanical structure, a bounce state exists at the end of the operating and release times. Furthermore, because additional time is required until the contact stabilizes after being in a high-resistance state, care must be taken when using the relay at high speeds. 3. Operating environment - Make sure that the relay mounted in the application set is
if it is used under barometric conditions exceeding the specified range. - The same applies when the relay is stored or transported. Keep the upper-limit value of the temperature to which the relay is exposed after it is removed from the carton box to within 50C. - Permanent magnets are used in polarized relays. For this reason, when magnets, transformers, or speakers are located nearby the relay characteristics may change and faulty operations may result. - If excessive vibration or shock is applied to the relay, it may malfunction and the contacts remain closed. Vibration or shock applied to the relay during operation may cause considerable damage to or wearing of the contacts. Note that operation of a snap switch mounted close to the relay or shock due to the operation of magnetic solenoid may also cause malfunctioning.
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4. Notes on mounting relays delivery. (Storage conditions: 30 C / 60% RH) After open MBB packing, please use within 3 months. (Storage conditions: 30 C / 60% RH)
- When mounting a relay onto a PC board using an automatic chip mounter, if excessive force is applied to the cover of the relay when the relay is chucked or inserted, the cover may be damaged or the characteristics of the relay degraded. Keep the force applied to the relay to within 1 kg. - Avoid bending the pins to temporarily secure the relay to the PC board. Bending the pins may degrade sealability or adversely affect the internal mechanism. - It is recommended to solder the relay onto a PC board under the following conditions: <1> Reflow soldering Refer to the recommended soldering temperature profile. <2> Flow soldering Solder temperature: 260C max., Time: 5 seconds max. Preheating: 110~ 120C /110 sec. (max.) <3> Manual soldering Solder temperature: 350C, Time: 2~3 seconds - Ventilation immediately after soldering is recommended. Avoid immersing the relay in cleaning solvent immediately after soldering due to the danger of thermal shock being applied to the relay. - Use an alcohol-based or water-based cleaning solvent. Never use thinner and benzene because they may damage the relay housing. - Do not use ultrasonic cleaning because the vibration energy generated by the ultrasonic waves may cause the contacts to remain closed. 5. Handling - Relays are packaged in magazine cases for shipment. If a space is created in the case after some relays have been removed, be sure to insert a stopper to secure the remaining relays in the case. If relays are not well secured, vibration during transportation may cause malfunctioning of the contacts. - Exercise care in handling the relay so as to avoid dropping it or allowing it to fall. Do not use a relay that has been dropped. If a relay drops from a workbench to the floor, a shock of 9,800 m/s2 (1,000 G) or more is applied to the relay, possibly damaging its functions. Even if a light shock has been applied to the relay, thoroughly evaluate its operation before using it. - Latching relays are factory-set to the reset state for shipment. A latching relay may be set, however, by vibration or shock applied while being transported. Be sure to forcibly reset the relay before using it in the application set. Also note that the relay may be set by unexpected vibration or shock when it is used in a portable set. - The sealability of a surface-mount (SMT) relay may be lost if the relay absorbs moisture and is then heated during soldering. When storing relays, therefore, observe the following points: <1> For standard packing, please use relays within 12 months after delivery. (Storage conditions: 30 C / 60% RH) If the relays have moisture absorption, dehumidify as follows. Tape packing: 505 C, 200~300 hours. Simple relay: 855 C, 48 hours. <2> For MBB packing, please use relays within 2 years after
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No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC TOKIN Corporation. NEC TOKIN Corporation assumes no responsibility for any errors which may appear in this document. NEC TOKIN Corporation does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from use of a device described herein or any other liability arising from use of such device. No license, either express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC TOKIN Corporation or others. While NEC TOKIN Corporation has been making continuous effort to enhance the reliability of its electronic components, the possibility of defects cannot be eliminated entirely. To minimize risks of damage or injury to persons or property arising from a defect in an NEC TOKIN electronic component, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. NEC TOKIN devices are classified into the following three quality grades: "Standard", "Special", and "Specific". The Specific quality grade applies only to devices developed based on a customer designated "quality assurance program" for a specific application. The recommended applications of a device depend on its quality grade, as indicated below. Customers must check the quality grade of each device before using it in a particular application. Standard: Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment and industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment and medical equipment (not specifically designed for life support) Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC TOKIN devices is "Standard" unless otherwise specified in NEC TOKIN's Data Sheets or Data Books. If customers intend to use NEC TOKIN devices for applications other than those specified for Standard quality grade, they should contact an NEC TOKIN sales representative in advance. (Note) (1) "NEC TOKIN" as used in this statement means NEC TOKIN Corporation and also includes its majority owned subsidiaries. (2) "NEC TOKIN electronic component products" means any electronic component product developed or manufactured by or for NEC TOKIN (as defined above).
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