EP2-3N1S

ET2 Kemet-Corporation

Document overview

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Technical content

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H The information in this document is subject to change without notice. AUTOMOTIVE RELAYS ET2/ET1 SERIES DATA SHEET

DESCRIPTION

The new NEXEM 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 NEXEM 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 EM Devices' “Miniature Relays” before dose designing your relay applications. © EM Devices Corporation 2017
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

2019.4.1 EMDPD5VOL02E1804H

The NEXEM 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 NEXEM EP2/EP1 series that has the high share with a motor control usage of the automobile at automobile industry in the world. Besides the ET2/ET1 series is succeeding for about 50% of miniaturization compared to ET2/ET1 series. DO NOT EXCEED MAXIMUM RATING READ CAUTIONS IN THE SELECTION GUIDE © EM Devices Corporation 2018

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES SCHEMATIC (BOTTOM VIEW) ET2 ET1 5 67 4 23 DIMENSIONS mm (inch) ET2 JAPAN ET2-B3M1S 9G5 99 Vent Hole Date CodePart Number 22.0 ±0.5 (0.87) 12.8 ±0.5 (0.50) 10.5 ±0.5 (0.41)(0.149) 3.8 +1.0 −0.5 0.5(0.02) (0.39) 9.87 (0.29) 7.3 (0.14)3.6 1.0(0.04) (0.17) 4.35 (0.21) 5.25 (0.023×0.043) 2−06×1.1 (0.17) 4.35 (0.12) 2.95 (0.25) 6.4 (0.25) 6.4 (0.016) 0.4 (0.14) 3.6 (0.43) 11.0 (0.43) 11.0 (0.29) 7.3 : After soldering (0.39) 9.87 (0.016×0.051) 2.04×1.3 φ4 0.6 (0.023) ET1 JAPAN ET1-B3M1S 9G5 99 Date Code Part Number 14.0 ±0.5 (0.57) 10.5±0.5 (0.41)(0.149) 3.8 +1.0 −0.5 0.5(0.02) (0.37) 9.35 (0.044) 1.13 (0.145) 3.7 (0.472) 12.0 (0.29) 7.4 (0.42) 10.6 (0.023×0.043) 2−06×1.1 φ2− 0.6 (0.023) Vent Hole 12.8 ±0.5 (0.50) (0.25) 6.4 2.05(0.081) 1.15(0.045) (0.013×0.051) 0.4×1.3∗ ∗ ∗ ∗ PCB PAD LAYOUT mm (inch) (BOTTOM VIEW) (0.39) 9.87 (0.29) 7.3 (0.14)3.6 1.0(0.04) (0.17) 4.35 (0.21) 5.25 (0.17) 4.35 (0.12) 2.95 (0.25) 6.4 (0.25) 6.4 (0.016) 0.4 (0.14) 3.6 (0.43) 11.0 (0.43) 11.0 (0.29) 7.3 (0.39) 9.87 φ4− (0.043) 1.1 +0.1 φ2− (0.059) 1.5 +0.1 φ2− (0.063) 1.6 +0.1 (0.044) 1.13 (0.145) 3.7 (0.29) 7.4 (0.42) 10.6 φ2− (0.059) 1.5 +0.1 (0.472) 12.0 ET2 ET1 φ (0.063) 1.6 +0.1 φ (0.043) 1.1 +0.1 (0.37) 9.35 (0.25) 6.4 2.05(0.081) 1.15(0.045)
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

*2-0.6×1.1 （0.023×0.043） *2-0.4×1.3 （0.016×0.051） *4-φ0.6 （0.023） 22.0±0.5 （0.87） 12.8±0.5 （0.50） 9.87 （0.39） 7.3 （0.29） 7.3 （0.29） 9.87 （0.39） 11.0 （0.43） 6.4 （0.25） 6.4 （0.25） 4.35 （0.17） 2.95 （0.12） 11.0 （0.43） 3.6 （0.14） 1.0（0.04） 0.4 （0.016） 3.6 （0.14） 5.25 （0.21） 4.35 （0.17） 10.5±0.5 （0.41）（0.149） 0.5（0.02） *3.5 +1.0 -0.5 ET2Logo Part Number Vent Hole Country of Origin ∗ : After soldering Lot Code (Sealed/Unsealed) PHILIPPINES 8D1 999 ET1-B3M1S ET1Logo Part Number Vent Hole Country of Origin Lot Code (Sealed/Unsealed) 14.0±0.5 12.0 10.6 7.4 9.35 6.4 2.05 1.15 3.7 10.5±0.5 1.13 *0.4×1.3 *2-φ0.6 *2-0.6×1.1 0.5 *3.5 +1.0 -0.5 12.8±0.5

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES SPECIFICATIONS (at 20 °C) Twin Single ET2-B3M1/ET2-B3M1S ET1-B3M1/ET1-B3M1S Contact Form 1 Form c × 2 (H Bridge) 1 Form c Max. Switching Voltage 16 V dc Max. Switching Current 25 A (at 16 Vdc) Min. Switching Current 1 A (at 5 Vdc) Contact Rating Contact Resistance 4 mΩ typical (measured at 7 A) Initial Contact Material Silver oxide complex alloy Operate Time (Excluding Bounce) 2.5 ms typical (at Nominal Voltage) Initial Release Time (Excluding Bounce) 3 ms typical (at Nominal Voltage, with diode) Initial Nominal Operate Power 640 mW Insulation Resistance 100 MΩ at 500 V dc Between Open Contact 500 V ac min. (for 1 minute) Breakdown Voltage Between Coil and Contact 500 V ac min. (for 1 minute) Misoperation 98 m/s (10 G) Shock Resistance Destructive Failure 980 m/s (100 G) Misoperation 10 ∼ 300 Hz, 43 m/s (4.4 G) Vibration Resistance Destructive Failure 10 ∼ 500 Hz, 43 m/s (4.4 G) 200 hour Ambient Temperature −40 to +85 °C (−40 to +185 °F) Coil Temperature Rise 70 °C (158 °F)/W Mechanical 1 × 10 operations Power Window Motor (14 V, 20 A, Locked) 100 × 10 operationsLife Expectancy Electrical Power Window Motor (14 V, 20 A /3 A, Unlocked) 100 × 10 operations COIL RATING SEALED TYPE (at 20 °C) Contact Form Part Number Nominal Voltage (Vdc) Coil Resistance (Ω±10%) Must Operate Voltage (Vdc) Must Release Voltage (Vdc) Twin 1 Form c × 2 ET2-B3M1S Single 1 Form c ET1-B3M1S 12 225 6.5 0.9 UNSEALED TYPE (at 20 °C) Contact Form Part Number Nominal Voltage (Vdc) Coil Resistance (Ω±10%) Must Operate Voltage (Vdc) Must Release Voltage (Vdc) Twin 1 Form c × 2 ET2-B3M1 Single 1 Form c ET1-B3M1 12 225 6.5 0.9 Items Types
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

(Ambient temperature:20℃) (Ambient temperature:20℃) (Ambient temperature:20℃)

100 MΩ at 500 VDC

500 VAC min. (for 1 minute) 500 VAC min. (for 1 minute) 98 m/s 10 – 300 Hz, 43 m/s 10 – 500 Hz, 43 m/s 200 hour 980 m/s

1 A (at 5 VDC)

25 A (at 16 VDC)

16 VDC

(VDC) Nominal Voltage (VDC) Must Operate Voltage (VDC) Must Operate Voltage (VDC) Must Release Voltage (VDC) Must Release Voltage (VDC)

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES NUMBERING SYSTEM ET2-B3M1S 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 Ω B : Standard type 1 : Single 2 : Twin COIL TEMPERATURE RISE Test piece : ET1-B3M1S Coil temperature rise [deg.C] Coil energized time [min.] 100 0 5 10 15 20 Coil saturated temperature rise [deg.C] Coil energized power [W] 100 0 0.5 1 1.5 16V 12V
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

Coil temperature rise [deg.C]

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES RELAY CHARACTERISTICS DISTRIBUTION (INITIAL) Operate voltage Release voltage Operate/Release voltage [V] CDF [%] 99.99 99.9 0.1 0.01 0123456789 1 0 Excluding contact bounce Including contact bounce Operate time [ms] CDF [%] 99.99 99.9 0.1 0.01 0123456789 1 0 Release time [ms] CDF [%] 99.99 99.9 0.1 0.01 0123456789 1 0 Normal open contact Normal close contact Contact resistance [mΩ] CDF [%] 99.99 99.9 0.1 0.01 0 5 10 15 20 25 Coil resistance [Ω] CDF [%] 99.99 99.9 0.1 0.01 100 150 200 250 300 Excluding contact bounce Including contact bounce with diode
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES DURABILITY LIFE Mechanical life test
• Ambient temperature : 20 °C
• Frequency : 15 Hz (50 % duty)
• Contact load : No load
• Number of operations : 10 × 10
• Samples : ET2-B3M1S 10 pieces 0 10 100 Voltage (V) 1000 Number of operations (×103) Operate Voltage 10000 0 10 100 Resistance (mΩ) 1000 Number of operations (×103) Contact Resistance (N.O contact) 10000 0 10 100 Voltage (V) 1000 Number of operations (×103) Release Voltage 10000 0 10 100 Resistance (mΩ) 1000 Number of operations (×103) Contact Resistance (N.C contact) 10000 300 200 100 0 10 100 Resistance (Ω) 1000 Number of operations (×103) Coil resistance 10000
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES Electrical life test (1)
• Ambient temperature : 20 °C
• Frequency : 0.2s ON/9.8s OFF, 0.1 Hz
• Contact load : 14 VDC, 20A, Power window motor load, locked
• Number of operations : 100 × 10
• Samples : ET2-B3M1S 10 pieces 0 10 100 Voltage (V) Number of operations (×103) Operate Voltage 0 10 100 Resistance (mΩ) Number of operations (×103) Contact Resistance (N.O contact) 0 10 100 Voltage (V) Number of operations (×103) Release Voltage 0 10 100 Resistance (mΩ) Number of operations (×103) Contact Resistance (N.C contact) 300 200 100 0 10 100 Resistance (Ω) Number of operations (×103) Coil resistance
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES Electrical life test (2)
• Ambient temperature : 20 °C
• Frequency : 0.2s ON/9.8s OFF, 0.1 Hz
• Contact load : 14 VDC, 20A, Power window motor load, Unlocked
• Number of operations : 100 × 10
• Samples : ET2-B3M1S 10 pieces 0 10 100 Voltage (V) Number of operations (×103) Operate Voltage 0 10 100 Resistance (mΩ) Number of operations (×103) Contact Resistance (N.O contact) 0 10 100 Voltage (V) Number of operations (×103) Release Voltage 0 10 100 Resistance (mΩ) Number of operations (×103) Contact Resistance (N.C contact) 300 200 100 0 10 100 Resistance (Ω) Number of operations (×103) Coil resistance
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read “Precautions” and other safety precautions listed in the printed version catalog. EMDPD5VOL01E704H ET2/ET1 SERIES DE0202 No part of this document may be copied or reproduced in any form or by any means without the prior written consent of EM Devices Corporation. EM Devices Corporation assumes no resposibility for any errors which may appear in this document. EM Devices 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 EM Devices Corporation or others. While EM Devices 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 EM Devices electronic component, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. EM Devices' products 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 EM Devices' products are "Standard" unless otherwise specified in EM Devices' Data Sheets or Data Books. If customers intend to use EM Devices' products for applications other than those specified for Standard quality grade, they should contact an EM Devices sales representative in advance. (Note) (1) "EM Devices" as used in this statement means EM Devices Corporation and also includes its majority- owned subsidiaries. (2) "EM Devices electronic component products" means any electronic component product developed or manufactured by or for EM Devices (as defined above).
• All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact EM Devices for updated product data.
• Please request for a specification sheet for detailed product data prior to the purchase.
• Before using the product in this catalog, please read "NOTE ON CORRECT USE" in "Miniature Relays selection guide" catalog.

No part of this document may be copied or reproduced in any form or by any means without the prior written consent of EM Devices Corporation. EM Devices Corporation assumes no resposibility for any errors which may appear in this document. EM Devices 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 EM Devices Corporation or others. The possibility of defects cannot be eliminated entirely even though EM Devices Corporation has been making continuous effort to enhance the reliability of its electronic components. To minimize risks of damage or injury to persons or property arising from a defect in an EM Devices electronic component, customers must incorporate sufficient safety measures in its design, such as redundancy, fire-containment, and anti-failure features. EM Devices products are classified into the following three quality grades: "Standard," "Special, "and "Specific". 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 EM Devices products are considered as Standard, unless otherwise specified in EM Devices Data Sheets or Data Books. If customers intend to use EM Devices products for applications that are not specified at Standard quality grade, they should contact an EM Devices sales representative in advance. (Note) (1) "EM Devices" as used in this statement means EM Devices Corporation and also includes its majority owned subsidiaries. (2) "EM Devices electronic component products" means any electronic component product developed or manufactured by or for EM Devices (as defined above).