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PHOTOCOUPLER
PS2841-4A,PS2841-4B
WORLD'S SMALLEST CLASS, FOUR CHANNELS 12-PIN ULTRA SHRINK SOP PHOTOCOUPLER
-NEPOC Series-
DESCRIPTION
The PS2841-4A and PS2841-4B are optically coupled isolators containing GaAs light emitting diodes and NPN silicon phototransistors. These products include four channels in a single package for high-density mounting applications. The PS2841-4A and PS2841-4B are the world's smallest class of photocouplers and realize about 50% reduction in mounting area compared with the PS280x and PS281x Series.
FEATURES
* Ultra small and thin package (12-pin ultra shrink SOP, Pin pitch 0.8 mm, 4.4 (L) x 5.6 (W) x 2.5 (H)) * Common lead PS2841-4A: cathode, collector common PS2841-4B: anode, collector common * High current transfer ratio (CTR = 200% TYP. @ IF = 1mA) * High isolation voltage (BV = 1 500 Vr.m.s.) * Pb-Free product * Ordering number of tape product: PS2841-4A-F3, F4: 2 500 pcs/reel PS2841-4B-F3, F4: 2 500 pcs/reel * Safety standards * UL approved: File No. E72422
PIN CONNECTIONS (Top View)
PS2841-4A
12 11 10 9 8 7
123456
Channel Anode Cathode Emitter Collector 1 ch 1, 6 common 11 2 7, 12 common 2 ch 1, 6 common 10 3 7, 12 common 3 ch 1, 6 common 9 4 7, 12 common 4 ch 1, 6 common 8 5 7, 12 common
APPLICATIONS
* Programmable logic controllers (PLCs) * Input and output for function automation * Hybrid IC
PIN CONNECTIONS (Top View)
PS2841-4B
12 11 10 9 8 7
123456
Channel Cathode Emitter Anode Collector 1 ch 1, 6 common 2 11 7, 12 common 2 ch 1, 6 common 3 10 7, 12 common 3 ch 1, 6 common 4 9 7, 12 common 4 ch 1, 6 common 5 8 7, 12 common
Document No. PN10202EJ04V0DS (4th edition) Date Published May 2006 NS CP(K)
The mark shows major revised points. The revised points can be easily searched by copying an "" in the PDF file and specifying it in the "Find what:" field.
2001, 2006
PS2841-4A,PS2841-4B
PACKAGE DIMENSIONS (UNIT: mm)
5.60.3 12 7
1
6
7.00.3 4.4
2.5+0.3 -0.2
0.10.1
0.8
0.15+0.10 -0.05
0.50.3
0.12 M
0.30.1

MARKING EXAMPLE
2841A NL601 No. 1 pin Mark
Type Number*1 Assembly Lot
N L 6 01
*1 Applicable type numbers are underlined below PS2841-4A PS2841-4B
Week Assembled Year Assembled (Last 1 Digit)
In-house Code (L: Pb-Free)
Rank Code
2
Data Sheet PN10202EJ04V0DS
PS2841-4A,PS2841-4B

ORDERING INFORMATION
Part Number Order Number Solder Plating Specification PS2841-4A-F3 PS2841-4A-F4 PS2841-4B-F3 PS2841-4B-F4 PS2841-4A-F3-A PS2841-4A-F4-A PS2841-4B-F3-A PS2841-4B-F4-A Pb-Free Embossed Tape 2 500 pcs/reel Packing Style Safety Standard Approval Standard products (UL Approved) PS2841-4B Application Part Number PS2841-4A
*1
*1 For the application of the Safety Standard, following part number should be used.
ABSOLUTE MAXIMUM RATINGS (TA = 25C, unless otherwise specified)
Parameter Diode Forward Current (DC) Reverse Voltage Power Dissipation Derating Peak Forward Current Transistor
*1
Symbol IF VR
Ratings 20 6 0.2 0.5 70 5 20 0.4 40 1 500 -40 to +100 -55 to +125
Unit mA/ch V mA /C A/ch V V mA/ch mW/C mW/ch Vr.m.s. C C
IF /C
IFP VCEO VECO IC
Collector to Emitter Voltage Emitter to Collector Voltage Collector Current Power Dissipation Derating Power Dissipation
PC/C
PC BV TA Tstg
Isolation Voltage
*2
Operating Ambient Temperature Storage Temperature
*1 PW = 100 s, Duty Cycle = 1% *2 AC voltage for 1 minute at TA = 25C, RH = 60% between input and output. Pins 1-6 shorted together, 7-12 shorted together.
Data Sheet PN10202EJ04V0DS
3
PS2841-4A,PS2841-4B
ELECTRICAL CHARACTERISTICS (TA = 25C)
Parameter Diode Forward Voltage Reverse Current Terminal Capacitance Transistor Coupled Collector to Emitter Current Current Transfer Ratio (IC/IF) Optical Leakage Current
*1
Symbol VF IR Ct ICEO CTR IL IF = 1 mA VR = 5 V
Conditions
MIN. 0.9
TYP. 1.1
MAX. 1.2 10
Unit V
A
pF
V = 0 V, f = 1 MHz IF = 0 mA, VCE = 24 V IF = 1 mA, VCE = 0.4 V IF = 5 mA, VCE = 24 V 100
15 100 200 400 100
nA % nA
(1 to 2-ch, 2 to 3-ch, 3 to 4-ch) Collector Saturation Voltage Isolation Resistance Isolation Capacitance Turn-on Time Turn-off Time
*2 *2
VCE (sat) RI-O CI-O ton toff
IF = 1 mA, IC = 0.2 mA VI-O = 1 kVDC V = 0 V, f = 1 MHz VCC = 5 V, IF = 1 mA, RL = 5 k 10
11
0.13
0.3
V
0.4 20 110
pF
s
*1 The optically induced leakage current is current which can be measured at transistor if LED = "ON" and LED = "OFF". LED of channel 1 is switched to "ON". At Tr-output of channel 2 a voltage is applied and one can measure a current between emitter and collector. This is leakage current (at IF = 5 mA, VCEO = 24 V). Measurement circuits for optical leakage current E.g. : In the case of 1 to 2-ch (PS2841-4A)
IF
1 2 3 4 5 6 12 11 10 9 8 7
A IL
*2 Test circuit for switching time
Pulse Input PW = 100 s Duty cycle = 1/10 IF In monitor 50 RL = 5 k VOUT VCC
4
Data Sheet PN10202EJ04V0DS
PS2841-4A,PS2841-4B
TYPICAL CHARACTERISTICS (TA = 25C, unless otherwise specified)
MAXIMUM FORWARD CURRENT vs. AMBIENT TEMPERATURE
Transistor Power Dissipation PC (mW)
40 70 60 50 40 0.4 mA/C 30 20 10 0 25 50 75 100 125
TRANSISTOR POWER DISSIPATION vs. AMBIENT TEMPERATURE
Maximum Forward Current IF (mA)
30
20 0.2 mA/C 10
0
25
50
75
100
Ambient Temperature TA (C)
Ambient Temperature TA (C)
FORWARD CURRENT vs. FORWARD VOLTAGE
100
COLLECTOR CURRENT vs. COLLECTOR TO EMITTER VOLTAGE
20 18
10
TA = +100C +60C +25C
Collector Current IC (mA)
Forward Current IF (mA)
16 IF = 10 mA 14 12 10 8 6 4 2 1 mA
0.5 mA
1 0C -25C -40C
5 mA 2 mA
0.1
0.01 0.0
0.5
1.0
1.5
2.0
0
1
2
3
4
5
6
7
8
9
10
Forward Voltage VF (V)
Collector to Emitter Voltage VCE (V)
COLLECTOR TO EMITTER DARK CURRENT vs. AMBIENT TEMPERATURE
Collector to Emitter Dark Current ICEO (nA)
10 000
COLLECTOR CURRENT vs. COLLECTOR SATURATION VOLTAGE
100 CTR = 160%
Collector Current IC (mA)
1 000 VCE = 24 V 70 V 100
10
10 mA 5 mA 2 mA 1 mA
1 IF = 0.5 mA
10
1 -25
0
25
50
75
100
0.1 0.0
0.2
0.4
0.6
0.8
1.0
Ambient Temperature TA (C)
Collector Saturation Voltage VCE(sat) (V)
Remark The graphs indicate nominal characteristics.
Data Sheet PN10202EJ04V0DS
5
PS2841-4A,PS2841-4B
NORMALIZED CURRENT TRANSFER RATIO vs. AMBIENT TEMPERATURE
Normalized Current Transfer Ratio CTR
1.6 400
CURRENT TRANSFER RATIO vs. FORWARD CURRENT
Current Transfer Ratio CTR (%)
VCE = 0.4 V 350 300 250 200 150 100 50 0 0.01 0.1 1 10 100
1.4 1.2 1.0 0.8 0.6 0.4
Normalized to 1.0 0.2 at TA = 25C, IF = 1 mA, VCE = 0.4 V 0.0 0 25 -40 -25
50
75
100
Ambient Temperature TA (C)
Forward Current IF (mA)
SWITCHING TIME vs. LOAD RESISTANCE
100 IC = 2 mA, VCC = 5 V, CTR = 160% tf tr 10 000
SWITCHING TIME vs. LOAD RESISTANCE
IF = 1 mA, VCC = 5 V, CTR = 160%
tf
Switching Time t (s)
10 td ts 1
Switching Time t (s)
1 000 ts 100 tr 10 td
0.1 10
50 100
500 1 k
5 k 10 k
1 1k
5k
10 k
50 k
100 k
Load Resistance RL ()
Load Resistance RL ()
OPTICAL LEAKAGE CURRENT vs. FORWARD CURRENT
1 000 50 VCE = 70 V 40 V 24 V 10 V 5V 10
OPTICAL LEAKAGE CURRENT vs. AMBIENT TEMPERATURE
Optical Leakage Current IL (nA)
45 40 35 30 25 20 15 10 5 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature TA (C) IF = 5 mA
VCE = 24 V
Optical Leakage Current IL (nA)
100
1 0
5
10
15
20
25
Forward Current IF (mA)
Remark The graphs indicate nominal characteristics.
6
Data Sheet PN10202EJ04V0DS
PS2841-4A,PS2841-4B
TAPING SPECIFICATIONS (UNIT: mm)
Outline and Dimensions (Tape)
2.00.05 4.00.1
1.750.1
7.40.1
1.5+0.1 -0
3.05 MAX.
5.50.05
12.00.2
1.550.05 8.00.1
6.00.1
2.850.1
0.3
Tape Direction
PS2841-4A-F3 PS2841-4B-F3 PS2841-4A-F4 PS2841-4B-F4
Outline and Dimensions (Reel)
2.00.5
2.00.5
13.00.2
3302.0
R 1.0
21.00.8
1001.0
13.51.0 17.51.0
Packing: 2 500 pcs/reel
11.9 to 15.4 Outer edge of flange
Data Sheet PN10202EJ04V0DS
7
PS2841-4A,PS2841-4B
RECOMMENDED MOUNT PAD DIMENSIONS (UNIT: mm)
1.45
0.5
6.25
8
Data Sheet PN10202EJ04V0DS
0.8
PS2841-4A,PS2841-4B
NOTES ON HANDLING 1. Recommended soldering conditions
(1) Infrared reflow soldering * Peak reflow temperature * Time of peak reflow temperature * Time of temperature higher than 220C * Time to preheat temperature from 120 to 180C * Number of reflows * Flux 260C or below (package surface temperature) 10 seconds or less 60 seconds or less 12030 s Three Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.)
Recommended Temperature Profile of Infrared Reflow
Package Surface Temperature T (C)
(heating) to 10 s 260C MAX. 220C to 60 s 180C 120C 12030 s (preheating)
Time (s)
(2) Wave soldering * Temperature * Time * Preheating conditions * Number of times * Flux 260C or below (molten solder temperature) 10 seconds or less 120C or below (package surface temperature) One (Allowed to be dipped in solder including plastic mold portion.) Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (3) Soldering by soldering iron * Peak temperature (lead part temperature) * Time (each pins) * Flux 350C or below 3 seconds or less Rosin flux containing small amount of chlorine (The flux with a maximum chlorine content of 0.2 Wt% is recommended.) (a) Soldering of leads should be made at the point 1.5 to 2.0 mm from the root of the lead. (b) Please be sure that the temperature of the package would not be heated over 100C.
Data Sheet PN10202EJ04V0DS
9
PS2841-4A,PS2841-4B
(4) Cautions * Fluxes Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.
2. Cautions regarding noise
Be aware that when voltage is applied suddenly between the photocoupler's input and output or between collector-emitters at startup, the output transistor may enter the on state, even if the voltage is within the absolute maximum ratings.
3. Measurement conditions of current transfer ratios (CTR), which differ according to photocoupler
Check the setting values before use, since the forward current conditions at CTR measurement differ according to product. When using products other than at the specified forward current, the characteristics curves may differ from the standard curves due to CTR value variations or the like. Therefore, check the characteristics under the actual operating conditions and thoroughly take variations or the like into consideration before use.
USAGE CAUTIONS
1. Protect against static electricity when handling. 2. Avoid storage at a high temperature and high humidity.
10
Data Sheet PN10202EJ04V0DS
PS2841-4A,PS2841-4B
* The information in this document is current as of May, 2006. The information is subject to change without notice. For actual design-in, refer to the latest publications of NEC Electronics data sheets or data books, etc., for the most up-to-date specifications of NEC Electronics products. Not all products and/or types are available in every country. Please check with an NEC Electronics sales representative for availability and additional information. * No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Electronics. NEC Electronics assumes no responsibility for any errors that may appear in this document. * NEC Electronics does not assume any liability for infringement of patents, copyrights or other intellectual property rights of third parties by or arising from the use of NEC Electronics products listed in this document or any other liability arising from the use of such products. No license, express, implied or otherwise, is granted under any patents, copyrights or other intellectual property rights of NEC Electronics or others. * Descriptions of circuits, software and other related information in this document are provided for illustrative purposes in semiconductor product operation and application examples. The incorporation of these circuits, software and information in the design of a customer's equipment shall be done under the full responsibility of the customer. NEC Electronics assumes no responsibility for any losses incurred by customers or third parties arising from the use of these circuits, software and information. * While NEC Electronics endeavors to enhance the quality, reliability and safety of NEC Electronics products, customers agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. To minimize risks of damage to property or injury (including death) to persons arising from defects in NEC Electronics products, customers must incorporate sufficient safety measures in their design, such as redundancy, fire-containment and anti-failure features. * NEC Electronics products are classified into the following three quality grades: "Standard", "Special" and "Specific". The "Specific" quality grade applies only to NEC Electronics products developed based on a customerdesignated "quality assurance program" for a specific application. The recommended applications of an NEC Electronics product depend on its quality grade, as indicated below. Customers must check the quality grade of each NEC Electronics product 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": Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems and medical equipment for life support, etc. The quality grade of NEC Electronics products is "Standard" unless otherwise expressly specified in NEC Electronics data sheets or data books, etc. If customers wish to use NEC Electronics products in applications not intended by NEC Electronics, they must contact an NEC Electronics sales representative in advance to determine NEC Electronics' willingness to support a given application. (Note) (1) "NEC Electronics" as used in this statement means NEC Electronics Corporation and also includes its majority-owned subsidiaries. (2) "NEC Electronics products" means any product developed or manufactured by or for NEC Electronics (as defined above).
M8E 02. 11-1
Data Sheet PN10202EJ04V0DS
11
PS2841-4A,PS2841-4B
Caution
GaAs Products This product uses gallium arsenide (GaAs). GaAs vapor and powder are hazardous to human health if inhaled or ingested, so please observe the following points. * Follow related laws and ordinances when disposing of the product. If there are no applicable laws and/or ordinances, dispose of the product as recommended below. 1. Commission a disposal company able to (with a license to) collect, transport and dispose of materials that contain arsenic and other such industrial waste materials. 2. Exclude the product from general industrial waste and household garbage, and ensure that the product is controlled (as industrial waste subject to special control) up until final disposal. * Do not burn, destroy, cut, crush, or chemically dissolve the product. * Do not lick the product or in any way allow it to enter the mouth.
For further information, please contact NEC Compound Semiconductor Devices Hong Kong Limited E-mail: contact@ncsd-hk.necel.com Hong Kong Head Office TEL: +852-3107-7303 FAX: +852-3107-7309 Taipei Branch Office TEL: +886-2-8712-0478 FAX: +886-2-2545-3859 Korea Branch Office TEL: +82-2-558-2120 FAX: +82-2-558-5209 NEC Electronics (Europe) GmbH http://www.eu.necel.com/ TEL: +49-211-6503-0 FAX: +49-211-6503-1327 California Eastern Laboratories, Inc. http://www.cel.com/ TEL: +1-408-988-3500 FAX: +1-408-988-0279 Compound Semiconductor Devices Division NEC Electronics Corporation URL: http://www.ncsd.necel.com/
0604

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