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부품번호 | ET1 기능 |
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기능 | VARIOUS MOTOR AND HEATER CONTROL | ||
제조업체 | NEC | ||
로고 | |||
전체 12 페이지수
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.
Document No. ER0429EJ1V0DS00
Date Published May 1999 P
Printed in Japan
The information in this document is subject to change without notice.
©
1998
NUMBERING SYSTEM
ET 2 -B3M1S
COIL TEMPERATURE RISE
100
90
80
70
60
50
40
30
20
10
0
0
100
90
80
70
60
50
40
30
20
10
0
0
ET2/ET1 SERIES
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
Test piece : ET1-B3M1S
16V
12V
9V
5 10
Coil energized time [min.]
15
20
0.5 1
Coil energized power [W]
1.5
4 Data Sheet ER0429EJ1V0DS00
4페이지 ET2/ET1 SERIES
Electrical life test (1)
• Ambient temperature
• Frequency
• Contact load
• Number of operations
• Samples
: 20 °C
: 0.2s ON/9.8s OFF, 0.1 Hz
: 14 VDC, 20A, Power window motor load, locked
: 100 × 103
: ET2-B3M1S 10 pieces
10 10
88
66
44
22
0
0 10 100
Number of operations (×103)
Operate Voltage
0
0 10 100
Number of operations (×103)
Release Voltage
10
8
6
4
2
0
0 10 100
Number of operations (×103)
Contact Resistance (N.O contact)
10
8
6
4
2
0
0 10 100
Number of operations (×103)
Contact Resistance (N.C contact)
300
200
100
0
0 10 100
Number of operations (×103)
Coil resistance
Data Sheet ER0429EJ1V0DS00
7
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