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| DATA SHEET AUTOMOTIVE RELAYS ET2/ET1 SERIES DESCRIPTION The new NEC ET2/ET1 series is PC-board mount type automotive relay suitable for various motor and heater control applications that require a high quality and performance. The ET2/ET1 series is the relay that succeeds fundamental structure and performance of the NEC EP2/EP1 series that has the high share with a motor control usage of the automobile of the world. Besides the ET2/ET1 series is succeeding in about 50% of miniaturization in comparison with the EP2/EP1 series. FEATURES * PC board mounting * Approx. 50% relay volume of EP2/EP1 * Approx. 75% relay space of EP2/EP1 * Approx. 70% relay height of EP2/EP1 * Approx. 50% relay weight of EP2/EP1 APPLICATIONS * Motor control * Heater control * Solenoid control Type ET2 Type ET1 For Proper Use of Miniature Relays DO NOT EXCEED MAXIMUM RATING. Do not use relay under excessive conditions such as over ambient temperature, over voltage and over current. Incorrect use could result in abnormal heating and damage to the relay or other parts. READ CAUTIONS IN THE SELECTION GUIDE. Read the cautions described in NEC's "Miniature Relays" (ER0046EJ) before dose designing your relay applications. The information in this document is subject to change without notice. Document No. ER0429EJ1V0DS00 Date Published May 1999 P Printed in Japan (c) 1998 ET2/ET1 SERIES SCHEMATIC (BOTTOM VIEW) ET2 2 1 3 4 8 7 1 5 2 ET1 3 4 5 6 DIMENSIONS mm (inch) ET2 JAPAN Vent Hole ET1 JAPAN Date Code Vent Hole ET2-B3M1S Part Number 22.0 (0.87) 0.5 9G5 99 Date Code 12.8 (0.50) 0.5 0.5 ET1-B3M1S 9G5 99 Part Number 14.0 (0.57) 0.5 0.5 12.8 (0.50) 0.5(0.02) 0.5(0.02) 2.05(0.081) 1.15(0.045) 10.5 (0.41) 3.8 (0.149) 9.87 (0.39) 7.3 (0.29) 3.6 (0.14) 1.0(0.04) 0.4x1.3 (0.013x0.051) 2- 0.6 (0.023) 9.35 (0.37) 6.4 (0.25) 4.35 2.95 (0.17) (0.12) 6.4 6.4 (0.25) (0.25) 5.25 4.35 (0.21) (0.17) 2-06x1.1 (0.023x0.043) 2-06x1.1 (0.023x0.043) 0.4 (0.016) 3.6 (0.14) 11.0 (0.43) 7.3 (0.29) 9.87 (0.39) 11.0 (0.43) 2.04x1.3 (0.016x0.051) 4 0.6 (0.023) 1.13 (0.044) 3.7 (0.145) : After soldering 7.4 (0.29) 10.6 (0.42) 12.0 (0.472) PCB PAD LAYOUT mm (inch) (BOTTOM VIEW) ET2 +0.1 -0 ET1 2- 1.5 -0 (0.059) 2.05(0.081) 1.15(0.045) +0.1 4- 1.1 (0.043) 9.87 (0.39) 7.3 (0.29) 3.6 (0.14) 1.0(0.04) 1.6 -0 +0.1 3.8 (0.149) +1.0 -0.5 +1.0 -0.5 10.5 (0.41) 0.5 (0.063) 2- 1.1 -0 (0.043) +0.1 4.35 2.95 (0.17) (0.12) 6.4 6.4 (0.25) (0.25) 9.35 (0.37) 6.4 (0.25) 5.25 4.35 (0.21) (0.17) 2- 1.5 -0 (0.059) +0.1 0.4 (0.016) 3.6 (0.14) 11.0 (0.43) 7.3 (0.29) 9.87 (0.39) 11.0 (0.43) 2- 1.6 -0 (0.063) +0.1 1.13 (0.044) 3.7 (0.145) 7.4 (0.29) 10.6 (0.42) 12.0 (0.472) 2 Data Sheet ER0429EJ1V0DS00 ET2/ET1 SERIES SPECIFICATIONS (at 20 C) Types Items Contact Form Max. Switching Voltage Max. Switching Current Contact Rating Min. Switching Current Contact Resistance Contact Material Operate Time (Excluding Bounce) Release Time (Excluding Bounce) Nominal Operate Power Insulation Resistance Between Open Contact Breakdown Voltage Between Coil and Contact Misoperation Shock Resistance Destructive Failure Misoperation Vibration Resistance Destructive Failure Ambient Temperature Coil Temperature Rise Mechanical Life Expectancy Power Window Motor (14 V, 20 A, Locked) Electrical Power Window Motor (14 V, 20 A /3 A, Unlocked) Weight 100 x 10 operations 3 Twin ET2-B3M1/ET2-B3M1S 1 Form c x 2 (H Bridge) 16 V dc 25 A (at 16 Vdc) 1 A (at 5 Vdc) Single ET1-B3M1/ET1-B3M1S 1 Form c 4 m typical (measured at 7 A) Initial Silver oxide complex alloy 2.5 ms typical (at Nominal Voltage) Initial 3 ms typical (at Nominal Voltage, with diode) Initial 640 mW 100 M at 500 V dc 500 V ac min. (for 1 minute) 500 V ac min. (for 1 minute) 98 m/s (10 G) 980 m/s (100 G) 10 300 Hz, 43 m/s (4.4 G) 2 2 2 10 500 Hz, 43 m/s (4.4 G) 200 hour 2 -40 to +85 C (-40 to +185 F) 70 C (158 F)/W 1 x 10 operations 6 100 x 10 operations 3 Approx. 7.5 g (0.26 oz) Approx. 4.5 g (0.16 oz) COIL RATING SEALED TYPE (at 20 C) Contact Form 1 Form c x 2 1 Form c Part Number Nominal Voltage (Vdc) 12 Single ET1-B3M1S Coil Resistance (10%) 225 Must Operate Voltage (Vdc) 6.5 Must Release Voltage (Vdc) 0.9 Twin ET2-B3M1S UNSEALED TYPE (at 20 C) Contact Form 1 Form c x 2 1 Form c Part Number Nominal Voltage (Vdc) 12 Single ET1-B3M1 Coil Resistance (10%) 225 Must Operate Voltage (Vdc) 6.5 Must Release Voltage (Vdc) 0.9 Twin ET2-B3M1 Data Sheet ER0429EJ1V0DS00 3 ET2/ET1 SERIES NUMBERING SYSTEM ET 2 -B 3 M1S Enclosure Must Operate Voltage Contact Material Coil Resistance Contact carrying current Type Nil : Unsealed S : Sealed 1 : 6.5V M : Silver oxide complex alloy 3 : 225 B : Standard type 1 : Single 2 : Twin COIL TEMPERATURE RISE Test piece : ET1-B3M1S 100 90 16V 80 Coil temperature rise [deg.C] 70 60 12V 50 40 30 20 10 0 0 5 10 Coil energized time [min.] 15 20 9V 100 90 Coil saturated temperature rise [deg.C] 80 70 60 50 40 30 20 10 0 0 0.5 1 Coil energized power [W] 1.5 4 Data Sheet ER0429EJ1V0DS00 ET2/ET1 SERIES RELAY CHARACTERISTICS DISTRIBUTION (INITIAL) 99.99 99.9 99 95 90 80 70 60 30 20 10 5 1 0.1 0.01 0 1 2 3 4 5 6 7 8 9 10 Operate voltage Release voltage CDF [%] Operate/Release voltage [V] 99.99 99.9 99 95 90 80 70 50 30 20 10 5 1 0.1 0.01 0 1 2 3 4 5 Excluding contact bounce Including contact bounce 99.99 99.9 Excluding contact bounce Including contact bounce 99 95 80 70 60 50 30 20 10 5 1 0.1 0.01 6 7 8 9 10 0 1 2 3 4 5 6 7 8 with diode 9 10 CDF [%] Operate time [ms] CDF [%] Release time [ms] 99.99 99.9 99 95 90 80 70 50 30 20 10 5 1 0.1 0.01 0 5 10 15 Normal open contact Normal close contact 99.99 99.9 99 95 90 80 70 50 30 20 10 5 1 0.1 0.01 CDF [%] 20 25 CDF [%] 100 150 200 Coil resistance [] 250 300 Contact resistance [m] Data Sheet ER0429EJ1V0DS00 5 ET2/ET1 SERIES DURABILITY LIFE Mechanical life test * Ambient temperature * Frequency * Contact load * Number of operations * Samples 10 : 20 C : 15 Hz (50 % duty) : No load : 10 x 106 : ET2-B3M1S 10 pieces 10 8 Voltage (V) Voltage (V) 8 6 6 4 4 2 2 0 0 10 100 1000 10000 Number of operations (x103) 0 0 10 100 1000 10000 Number of operations (x103) Operate Voltage 10 10 Release Voltage 8 Resistance (m) Resistance (m) 8 6 6 4 4 2 2 0 0 10 100 1000 10000 Number of operations (x103) 0 0 10 100 1000 10000 Number of operations (x103) Contact Resistance (N.O contact) Contact Resistance (N.C contact) 300 Resistance () 200 100 0 0 10 100 1000 10000 Number of operations (x103) Coil resistance 6 Data Sheet ER0429EJ1V0DS00 ET2/ET1 SERIES Electrical life test (1) * Ambient temperature * Frequency * Contact load * Number of operations * Samples 10 : 20 C : 0.2s ON/9.8s OFF, 0.1 Hz : 14 VDC, 20A, Power window motor load, locked : 100 x 103 : ET2-B3M1S 10 pieces 10 8 8 Voltage (V) 4 Voltage (V) 6 6 4 2 2 0 0 10 Number of operations (x103) 100 0 0 10 Number of operations (x103) 100 Operate Voltage 10 8 Resistance (m) Release Voltage 10 8 Resistance (m) 6 4 2 0 0 10 Number of operations (x103) 100 6 4 2 0 0 10 Number of operations (x103) 100 Contact Resistance (N.O contact) Contact Resistance (N.C contact) 300 Resistance () 200 100 0 0 10 Number of operations (x103) 100 Coil resistance Data Sheet ER0429EJ1V0DS00 7 ET2/ET1 SERIES Electrical life test (2) * Ambient temperature * Frequency * Contact load * Number of operations * Samples 10 : 20 C : 0.2s ON/9.8s OFF, 0.1 Hz : 14 VDC, 20A, Power window motor load, Unlocked : 100 x 103 : ET2-B3M1S 10 pieces 10 8 8 Voltage (V) 4 Voltage (V) 0 10 Number of operations (x10 ) 3 6 6 4 2 2 0 100 0 0 10 Number of operations (x10 ) 3 100 Operate Voltage Release Voltage 10 8 10 8 Resistance (m) 6 4 2 0 0 10 Number of operations (x103) 100 Resistance (m) 6 4 2 0 0 10 Number of operations (x103) 100 Contact Resistance (N.O contact) Contact Resistance (N.C contact) 300 Resistance () 200 100 0 0 10 Number of operations (x103) 100 Coil resistance 8 Data Sheet ER0429EJ1V0DS00 ET2/ET1 SERIES [MEMO] Data Sheet ER0429EJ1V0DS00 9 ET2/ET1 SERIES [MEMO] 10 Data Sheet ER0429EJ1V0DS00 ET2/ET1 SERIES [MEMO] Data Sheet ER0429EJ1V0DS00 11 ET2/ET1 SERIES No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. NEC 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 Corporation or others. While NEC 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 Electronic Components, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. NEC 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 devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance. Anti-radioactive design is not implemented in this product. |
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