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PDF ( 数据手册 , 数据表 ) EF2-3SNUH

零件编号 EF2-3SNUH
描述 Ultra-low power/ compact and lightweight/ High breakdown voltage/ Surface mounting type
制造商 NEC
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EF2-3SNUH 数据手册, 描述, 功能
DATA SHEET
MINIATURE SIGNAL RELAY
ED2/EF2 SERIES
Ultra-low power, compact and lightweight, High breakdown voltage,
Surface mounting type
DESCRIPTION
NEC's new miniature signal relays, ED2/EF2 series, achieved 50 mW of ultra low power consumption.
FEATURES
Low power consumption (50 mW)
Applicable for the surge voltage standard of FCC (1500 V, 10 × 160 µs) and BELLCORE (2500 V, 2 × 10 µs)
Two types for through-hole mounting (ED2 series) and surface mounting (EF2 series)
Variation of dense mounting type and/or long-joint-life type for latest SMT
• Compatible configuration and terminal allocation with dense mounting type of EE2 series
• Upgraded soldering joint reliability between the relay terminal and PCB by optimization of the terminal
configuration;
20-year-joint-life under 35˚C-per-day-temperature-difference specified in IPC-SM-785 for telecommuication
equipment
APPLICATIONS
Electronic switching systems, PBX, terminal equipment, telephone system, instrumental equipment.
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.
The information in this document is subject to change without notice.
Document No. ER0304EJ2V0DS00 (2nd edition)
Date Published February 1999 M
Printed in Japan
©
1997







EF2-3SNUH pdf, 数据表
ED2/EF2 SERIES
TYPICAL PERFORMANCE DATA
q Coil Temperature Rise
20
15
10
5
0 50 100 150 200
Applied Power(mW) at 20˚C
q Operate Time
Operate Time
q Breakdown Voltage
99.99
99.9
99
95
90
80
60
40
20
10
5
1
0.1
0.01
1
Between
adjacent
contacts
Between coil
and contacts
Between open
contacts
2 3 45
Breakdown Voltage(KV,AC)
q Release Time without diode
4
2 Bounce Time at Operate
0
50 100 150 200
250
Applied Power(mW)
2
Release Time
1
Bounce Time at Release
0 50 100 150 200
Applied Power(mW)
q Contact Resistance
99.99
99.9
99
95
90
80
60
40
20
10
5
1
0.1
0.01
0
Make contact
Break contact
10 20 30 40 50 60 70 80 90 100
Contact Resistance(m)
q Release Time with diode
4
Release Time
2
Bounce Time at Release
0 50 100 150 200
Applied power(mW)
q Switching Capacity
2.0
1.0
0.5
0.4
0.3
0.2
DC Load(resistive)
AC Load(resistive)
30 100 200
Switching Voltage(V)
q Transfer Time
99.99
99.9
99
95
90
80
60
40
20
10
5
1
0.1
0.01
0
At operate
At release
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Transfer Time(ms)
8 DATA SHEET ER0304EJ2V0DS00







EF2-3SNUH equivalent, schematic
ED2/EF2 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 intellec-
tual 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 component, 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, au-
dio and visual equipment, home electronic appliances, machine tools, personal electronic equip-
ment 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 de-
signed 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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