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부품번호 | EC2 기능 |
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기능 | MINIATURE SIGNAL RELAY | ||
제조업체 | NEC | ||
로고 | |||
전체 10 페이지수
DATA SHEET
MINIATURE SIGNAL RELAY
EC2 SERIES
COMPACT AND LIGHTWEIGHT, SMALL MOUNTING SIZE,
HIGH BREAKDOWN VOLTAGE
DESCRIPTION
The EC2 series has reduced mounting space but sustained high-performance of NEC EA2 series. Furthermore,
it complies with 2500 V surge-voltage requirement of Bellcore specification.
FEATURES
™ Compact and light weight
™ 2 form c contact arrangement
™ Low power consumption
™ Reduced mounting space : 15 mm × 7.5 mm
™ High-breakdown voltage of coil to contacts :
1500 Vac, 2500 V (rise time : 2 µs, fall time : 10 µs)
™ Capable of High-power switching :
700 Vac, 4.2 A, 4 times in case of accident
™ UL recognized (E73266), CAS certified (LR46266)
APPLICATIONS
Electronic switching systems, PBX, terminal equipment, telephone systems.
For Right Use of Miniature Relays
DO NOT EXCEED MAXIMUM RATINGS.
Do not use relays under exceeding conditions such as over ambient temperature, over voltage
and over current. Incorrect use could result in abnormal heating, damage to related parts or
cause burning.
READ CAUTIONS IN THE SELECTION GUIDE.
Read the cautions described in NEC's "Miniature Relays" (ER0046EJ∗) when you choose relays
for your application.
Document No. ER0002EJ4V1DS00 (4th edition)
Date Published December 2000 M CP(K)
Printed in Japan
WORLD PRODUCTS INC.
Ph (707) 996-5201 Fx (707) 996-3380
www.worldproducts.com
e-mail: [email protected]
© 1994(1996)
PRODUCT LINEUP
Non-latch Type
Nominal Coil
Voltage
(Vdc)
3
4.5
5
6
9
12
24
Coil
Resistance
(Ω) ±10 %
64.3
145
178
257
579
1028
2880
EC2 SERIES
Must Operate
Voltage
(Vdc)
2.25
3.38
3.75
4.5
6.75
9
18
at 20˚C
Must Release
Voltage
(Vdc)
0.3
0.45
0.5
0.6
0.9
1.2
2.4
Single-Coil Latch Type
Nominal Coil
Voltage
(Vdc)
3
4.5
5
6
9
12
24
Coil
Resistance
(Ω) ±10 %
90
202.5
250
360
810
1440
5760
Must Operate
Voltage
(Vdc)
2.25
3.38
3.75
4.5
6.75
9
18
at 20˚C
Must Release
Voltage
(Vdc)
2.25
3.38
3.75
4.5
6.75
9
18
Double-Coil Latch Type ∗∗ (Can not be driven by revese polarity for reverse operation.)
at 20˚C
Nominal Coil
Voltage
(Vdc)
Coil
Resistance
(Ω) ±10 %
Must Operate
Voltage
(Vdc)
Must Release
Voltage
(Vdc)
S 64.3
2.25
3
R 64.3
–
–
2.25
S 145
3.38
4.5
R 145
–
–
3.38
S 178
3.75
5
R 178
–
–
3.75
S 257
4.5
6
R 257
–
–
4.5
S 579
6.75
9
R 579
–
–
6.75
S 1028
9
12
R 1028
–
–
9
S 4114
18
24
R 4114
–
–
18
Note
∗ Test by pulse voltage
∗∗ S : Set coil (pin No.1... + , pin No.5... – ) R : Reset coil (pin No.10... + , pin No.6... – )
The latch type relays should be initalized at appointed position before using, and should be enegized to specific
polanity by a bone polabity to avoid wrong operation.
Any special coil requirement, please contact NEC for availability.
WORLD PRODUCTS INC.
4
ER0002EJ4V1DS00
Ph (707) 996-5201 Fx (707) 996-3380
www.worldproducts.com
e-mail: [email protected]
4페이지 EC2 SERIES
s BREAKDOWN VOLTAGE
Sample: EC2-5NU 10 pieces
(a) Between open contacts
100
(b) Between adjacent contacts
100
50 50
0
0.5 1.0 1.5 2.0
Breakdown voltage (kV)
0
0.5 1.0 1.5 2.0
Breakdown voltage (kV)
(c) Between coil to contact
100
50
0
1.5 2.0 2.5 3.0
Breakdown voltage (kV)
s ALTERNATION OF VOLTAGE AT DENSELY MOUNTING (Magnet interference)
+ 40
+ 30
+ 20
+ 10
0
– 10
– 20
– 30
– 40
I
Alternation of operate voltage
II III IV V
Mounting layout
VI
+ 40
+ 30
+ 20
+ 10
0
– 10
– 20
– 30
– 40
I
Alternation of release voltage
II III IV V
Mounting layout
VI
Device under test
ON ON
OFF OFF
I II
ON OFF
ON
III
OFF
IV
ON
ON
ON
V
OFF
OFF
OFF
VI
WORLD PRODUCTS INC.
Ph (707) 996-5201 Fx (707) 996-3380
www.worldproducts.com
e-mail: [email protected]
ER0002EJ4V1DS00
2.54 mm
7
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