EP1S-4L4T [NEC]
LOW SOUND PRESSURE; 低声压
| 型号： | EP1S-4L4T |
| 厂家： | 
NEC |
| 描述： | LOW SOUND PRESSURE |
| 文件： | 总8页 (文件大小：168K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
DATA SHEET
AUTOMOTIVE RELAYS
EP2S/EP1S SERIES
LOW SOUND PRESSURE
DESCRIPTION
The NEC EP2S / EP1S series are PC-board mount type automotive relays suitable for various motor controls
and other applications that require a high level of quality and performance.
The sound pressure level of EP2S / EP1S series is 57 dBA nominal when the relay operates, and 49 dBA
nominal when the relay releases.
FEATURES
™ Less sound pressure (–10 dB at “operate” and –3 dB at “release” compared with EP2 / EP1)
™ For motor and solenoid reversible control
™ High performance and productivity by unique structure
™ Flux tight housing
APPLICATION
™ Power window control
™ Electrical door lock
™ Wiper system
EP2S SERIES
EP1S SERIES
Document No. ER0131EJ1V0DS00
Date Published April 1996 M
Printed in Japan
©
1996
EP2S/EP1S SERIES
SCHEMATIC (BOTTOM VIEW)
EP2S SERIES
EP1S SERIES
2
3
2
3
2
3
9
4
1
1
4
1
4
5
8
10
5
8
5
6
7
6
7
[Unit A]
[Unit B]
[Unit A]
[Unit B]
[H Bridge Type]
[Separate Type]
DIMENSIONS mm (inch)
EP2S SERIES
H Bridge Type
Separate Type
Separate type
Vent hole
Date code
Vent hole
Date code
discrimination mark
JAPAN
JAPAN
φ
2(0.079)
Part number
Part number
EP2S-3L1
0G3 24
EP2S-3L1T
0G3 24
+
+
+
+
23.8 0.5
–
16.2 0.5
–
23.8 0.5
–
16.2 0.5
–
(0.94)
(0.64)
(0.94)
(0.64)
10.1 (0.4)
8.0 (0.31)
10.1
(0.4)
2-0.5×1.1(0.02×0.04)
4-0.5×1.1(0.02×0.04)
8.0 (0.31)
3.5
3.5
(0.14)
(0.14)
(0.14)3.5
(0.14)3.5
(0.31) 8.0
2-1.3×1.3(0.05×0.05)
2-1.3×1.3(0.05×0.05)
(0.31) 8.0
φ
φ
φ φ
4- 0.6( 0.22)
4- 0.6( 0.22)
(0.4) 10.1
(0.4) 10.1
11.9
(0.47)
11.9
11.9
(0.47)
11.9
(0.47)
for reference
for reference
(0.47)
2
EP2S/EP1S SERIES
EP1S SERIES
Vent hole
Date code
JAPAN
EP1S-B3G1
Part number
4A 1 22
+
+
14.6 0.5
16.2 0.5
–
–
(0.58)
(0.63)
10.1(0.4)
8.0(0.31)
3.5
2.65 (0.1)
φ
2- 0.6
φ
(
0.02)
(0.14)
for reference
1.3×1.3
(1.5×1.5)
2-0.5×1.1
(0.02×0.02)
PCB PAD LAYOUT mm (inch) (BOTTOM VIEW)
EP2S SERIES
EP1S SERIES
+0.1
φ
2- 1.1 –0
+0.1
+0.1
+0.1
+0.1
φ
φ
φ
φ
φ
φ
φ
φ
( 0.059)
4- 1.1–0
(
0.043)
2- 1.5 –0
(
0.059)
4- 1.1–0
(
0.043)
4- 1.5 –0
φ
(
0.043)
+0.1
φ
2- 1.5–0
φ
(
0.059)
+0.1
φ
1.9 –0
φ
(
0.075)
+0.1
+0.1
φ
φ
φ
φ
( 0.075)
(
0.075)
2- 1.9 –0
2- 1.9 –0
[H Bridge Type]
[Separate Type]
3
EP2S/EP1S SERIES
SPECIFICATIONS
at 25 ˚C (77 ˚F)
Items
EP2S
EP1S
Contact Form
1 form C×2 (H bridge type and separate type) 1 form C
Silver oxide complex alloy
50 mΩ max. (measured at 7 A) initial
16 Vdc max.
Contact Material
Contact Resistance
Contact Switching Voltage
Contact Switching Current
25 A max.
20 A / regular type
25 A / regular type
(2 minutes max. 12 Vdc at 85˚C)
25 A / high carrying current type
(2 minutes max. 12 Vdc at 85˚C)
(2 minutes max. 12 Vdc at 85˚C)
30 A / high carrying current type
(2 minutes max. 12 Vdc at 85˚C)
Contact Carrying Current
Operate Time
Approx. 5 ms (at 12 Vdc excluding bounce) initial
Approx. 2 ms (at 12 Vdc excluding bounce) initial
0.64 W (at 12 Vdc)
Release Time
Normal Operate Power
Insulation Resistance
Breakdown Voltage
Shock Resistance
Vibration Resistance
Ambient Temperature
Coil Temperature Rise
Mechanical
100 MΩ min. (at 500 Vdc) initial
500 Vdc min. (for 1 minute) initial
98 m / s2 [Approx. 10 G] min. (misoperating)
10 to 300 Hz, 43 m / s2 [Approx. 4.4 G] min. (misoperating)
–40˚C to +85˚C (–40 ˚F to +185˚F)
50 ˚C / W (without contact carrying current)
1×106 operations
Contact 1×105 operations (at 14 Vdc, Motor Load 25 A / 7 A)
G
Life Expectancy
Weight
Electrical
Contact 1×105 operations (at 14 Vdc, Motor Load 20 A / 3 A)
L or N
Approx. 15 gr
Approx. 8 gr
SOUND PRESSURE LEVEL (for reference)
Sound Pressure level Fast (F)
57 dBA nominal
Operate (at 12 Vdc drive with diode)
Relese (at 12 Vdc drive with diode)
49 dBA nominal
Refer to the measuring condition in the figure of
sound pressure level distribution on page 7.
4
EP2S/EP1S SERIES
COIL RATING
EP2S SERIES
at 25 ˚C (77 ˚F)
Nominal
Voltage
(Vdc)
Coil
Must
Must
Nominal
Operate Power
(W)
Part Number
Resistance
(Ω±10 %)
Operate Voltage
(Vdc max.)
Release Voltage
(Vdc min.)
H Bridge Type
Separate Type
EP2S-3L1
EP2S-3L2
EP2S-3L3
EP2S-4L3
EP2S-4L4
EP2S-4L5
EP2S-3L1T
EP2S-3L2T
EP2S-3L3T
EP2S-4L3T
EP2S-4L4T
EP2S-4L5T
12
12
12
12
12
12
225
225
225
300
300
300
6.5
7.0
7.5
7.5
8.0
8.5
0.9
0.9
0.9
0.9
0.9
0.9
0.64
0.64
0.64
0.48
0.48
0.48
High carrying current type available
EP1S SERIES
Part Number
Nominal
Voltage
(Vdc)
Coil
Must
Must
Nominal
Operate Power
(W)
Resistance
(Ω±10 %)
Operate Voltage
(Vdc max.)
Release Voltage
(Vdc min.)
High Carrying
Regular Type
Current Type
EP1S-3L1
EP1S-3L2
EP1S-3L3
EP1S-4L3
EP1S-4L4
EP1S-4L5
EP1S-B3G1
EP1S-B3G2
EP1S-B3G3
EP1S-B4G3
EP1S-B4G4
EP1S-B4G5
12
12
12
12
12
12
225
225
225
300
300
300
6.5
7.0
7.5
7.5
8.0
8.5
0.9
0.9
0.9
0.9
0.9
0.9
0.64
0.64
0.64
0.48
0.48
0.48
5
EP2S/EP1S SERIES
NUMBERING SYSTEM
EP2S –
B
3
L
1
S
T
Nil : H Bridge Type
: Separate Type
Wiring
T
Nil : Unsealed (Standard type)
Enclosure
T
: Sealed
1
2
3
4
5
: 6.5 V max.
: 7.0 V max.
: 7.5 V max.
: 8.0 V max.
: 8.5 V max.
Operate Voltage
(at 25˚C)
L
: Silver oxide complex alloy, Type I
N : Silver oxide complex alloy, Type II
G : Silver oxide complex alloy, Type III
Contact Material
3
4
: 225Ω±10%
: 300Ω±10%
Coil Resistance
Carrying Current
Type
Nil : Regular type
B : high carrying current type
EP2S
EP1S
TYPICAL APPLICATION (H Bridge Type)
MOTOR
M
16 V
Tr1
Tr2
Tr1
off
on
off
Tr2
off
off
on
STOP
FORWARD
REVERSE
Tr1
Tr2
100 ms min.
It is necessary to take more than 100 msec intervals for on / off timing between driving Tr1 and Tr2. If the interval
is less than 100 msec, an excessive current happen to flow to the relay contacts.
6
EP2S/EP1S SERIES
TECHNICAL DATA
Coil Temperature (EP2S-3L1)
150
100
50
100
50
Vcoil = 12 V, IC = 25 A
Vcoil = 7.5 V, IC = 25 A
Vcoil = 12 V, IC = 0 A
Vcoil = 7.5 V, IC = 0 A
IC = 0A
0
10
20
30
0
0.5
1.0
1.5
2.0
Energized Time (minutes)
Applied Power (W)
Operate Time (EP2S-3L1)
Release time (EP2S-3L1)
10
10
With Diode
Mean
5
0
5
0
Mean
Without Diode
0.5
1.0
1.5
0.5
1.0
1.5
Applied Power (W)
Applied Power (W)
Distribution of Sound Pressure Level (for reference)
50
50
40
30
EP2S–3L1
EP2–3L1
n = 80
n = 80
40
30
20
10
0
20
Release
Operate
10
0
40
50
60
70
40
50
60
70
Sound Pressure Level (dBA)
Sound Pressure Level (dBA)
Measuring Condition
Measuring Equipment : Precision Sound Meter
Detector-indicator Characteristic : Fast (F) specified in IEC 651
Relay Drive : 12 Vdc (Diode clamped)
Distance between Microphone and Sample : 50 mm
Background Noise : less than 35 dB (A)
(A) : Frequency Weighting Characteristic specified in IEC 651
7
EP2S/EP1S SERIES
No part of this document may be copied in any form or by any means without the prior written consent of
NEC Corporation.
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.
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