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DATA S H E E T
MINIATURE SIGNAL RELAY
EA2 SERIES
COMPACT AND LIGHTWEIGHT
DESCRIPTION
The EA2 series has reduced package size and power consumption to other NEC Conventional relays. Furthermore, it complies with 1500 V surge-voltage requirement of FCC part 68 by the unique structure and the efficient magnetic circuit
FEATURES
TM Low power consumption TM Compact and light weight TM 2 form c contact arrangement TM Low magnetic arrangement TM Breakdown voltage : 1000 Vac (surge voltage 1500 V), FCC Part 68 compliant TM Tube packaging TM UL recognized (E73266), CAS certified (LR46266)
APPLICATIONS
Electronic switching systems, PBX, key telephone systems, automatic test equipment and other electronic equipment.
ATTENTION
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. ER0001EJ6V0DS00 (6th edition) Date Published June 1999 M Printed in Japan
(c)
1989 (1996)
EA2 SERIES
OUTLINE DRAWING AND DIMENSIONS
Unit : mm (inch)
PAD LAYOUT (bottom view)
10- 0.8(0.03)
(0.56)
(0.36)
5.4 max. (0.21)
2.54 (0.10)
10.16 (0.40)
0.5 (0.02) (0.10)
3.5
0.25 (0.01) 2.54 7.62 (0.30)
Note. Tolerance + 0.1 ( + 0.004) unless othewise specified - -
Note. tolerance + 0.2 ( + 0.008) unless otherwise specified - - Dimensions in show basic size. NJ type : Cover height-6.3 mm (0.248), Leads-2.8 mm (0.11)
MARKINGS
1 2
SAFETY STANDARD AND RATING
UL Recognized (UL508) File No E73266 CSA Certificated (CSA C22.2 No 14) File No LR46266 30 Vdc, 1 A (Resistive) 110 Vdc, 0.3 A (Resistive) 125 Vdc, 0.5 A (Resistive)
EA2-5 q Part number
5
JAPAN
9106
w Manufacturer e Country of origin r Date code t Index mark of relay direction (pin No. 1, 10.) y UL, CSA Marking 2
Spacing : UL114, UL478
3 Standard type 1
4
EA2-5NU
JAPAN
5 6 UL recognized, CSA certified type 9106
3
4
PIN CONFIGURATIONS
S 1
+
2
3
4
5
-+
1 RS
2
3
4
5
1
+ +
2
3
4
-
+-
10 Index mark of relay direction
9
8
7
6
10
9
8
7
6
10
9
8
7
Non-latch type (not energized position)
Single coil latch type (reset position)
R Double coil latch type (reset position)
S : Coil polarity of set (operate) R : Coil polarity of reset (release)
2
DATA SHEET ER0001EJ6V0DS00
2.54 (0.10)
14.2 max.
0.33 (0.013)
9.2 max.
5
- -
6
7.62 (0.30)
EA2 SERIES
PART NUMBER SYSTEM EA2 - 3 S NU
Nil : Standard type NU : UL recognized, CSA certified type NJ : Trimmed leads type NP : Silver-palladium alloy contact (with gold alloy overlay) UL recognized, CAS certified type Latch type Nil : Non-latch type (standard type) S : Single coil latch type T : Double coil latch type Nominal coil voltage 3, 4.5, 5, 6, 9, 12, 24 Volts EA2 series
PERFORMANCE CHARACTERISTICS
Contact Form Maximum switching power Maximum switching voltage Contact rating Maximum switching current Maximum carrying current Minimum contact ratings Initial contact resistance Contact material Nominal operating Power Non-latch type and double coil latch type 2 form c 30 W (resistive) 220 Vdc 1A 2A 10 mVdc, 10 A 1 50 m typ. (Initial) Silver alloy with gold alloy overlay 140 mW (3 to 12 V) 200 mW (24 V) 100 mW (3 to 12 V) 150 mW (24 V) 79 mW (3 to 12 V) 113 mW (24 V) 56 mW (3 to 12 V) 85 mW (24 V) Approximately 2 ms without diode Approximately 1 ms without diode 1000 M at 500 Vdc Between open contacts Breakdown voltage Between adjacent contacts Between coil and contact Shock resistance 735 m / s 2 (75 G) (misoperating) 980 m / s 2 (100 G) (destructive failure) 10 to 55 Hz at double amplitude of 3 mm (20 G) (misoperating) 10 to 55 Hz, at double amplitude of 5 mm (30 G) (destructive failure) -40C to 85C 18 degrees at nominal coil voltage Noload Running specifications Load 1 x 108 operations (Non-latch type) 3 1 x 107 operations (latch type) 50 Vdc 0.1 A (resistive), 1 x 106 operations at 85C, 2 Hz 10 Vdc 10 mA (resistive), 1 x 106 operations at 85C, 2 Hz 1000 Vac (for one minute) 1500 V surge (10 x 160 s 2) 62.5 VA (resistive) 250 Vac
Single coil Latch type
Minimum operating Power
Non-latch type and double coil latch type
Single coil latch type Operate time (excluding bounce) Release time (excluding bounce) Insulation resistance
Vibration resistance
Ambient temperature Coil temperature rise
Weight Approximately 1.5 grams 1 This value is a reference value in the resistance load. Minimum capacity changes depending on seitching frequency and environment temperature and the load. 2 Rise time : 10 s, fall time : 160 s 3 This shows a number of operation where it can be running by which a fatal defect is not caused, and a number of operation by which a steady characteristic is maintained is 1 x 107 times.
DATA SHEET ER0001EJ6V0DS00
3
EA2 SERIES
PRODUCT LINEUP Non-latch Type
Nominal Coil Voltage (Vdc) 3 4.5 5 6 9 12 24 Coil Resistance () 10 % 64.3 145 178 257 579 1028 2880 Must Operate Voltage (Vdc) 2.25 3.38 3.75 4.5 6.75 9 18 Must Release Voltage (Vdc) 0.3 0.45 0.5 0.6 0.9 1.2 2.4 at 20C
Single-Coil Latch Type
Nominal Coil Voltage (Vdc) 3 4.5 5 6 9 12 24 Coil Resistance () 10 % 90 202.5 250 360 810 1440 3840 Must Operate Voltage (Vdc) 2.25 3.38 3.75 4.5 6.75 9 18 Must Release Voltage (Vdc) 2.25 3.38 3.75 4.5 6.75 9 18
at 20C
Double-Coil Latch Type (Can not be driven by revese polarity for reverse operation.)
Nominal Coil Voltage (Vdc) 3 S R S R S R S R S R S R S R Coil Resistance () 10 % 64.3 64.3 145 145 178 178 257 257 579 579 1028 1028 2880 2880 18 - 18 9 - 9 - Must Operate Voltage (Vdc) 2.25 - 3.38 - 3.75 - 4.5 - 6.75 - Must Release Voltage (Vdc) - 2.25 - 3.38 - 3.75 - 4.5 - 6.75 -
at 20C
4.5
5
6
9
12
24 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.
4
DATA SHEET ER0001EJ6V0DS00
EA2 SERIES
TYPICAL PERFORMANCE DATA
SWITCHING CAPACITY COIL TEMPERATURE RISE
2.0 Switching Current (A) 1.0 0.5 0.4 0.3 0.2
Coil Temperature Rise (C)
DC Load (resistive) AC Load (resistive)
80
60
0.25A 0.136A
40
20
30
100
200
Switching Voltage (V)
250 Vdc 220 Vdc
0
100
200
300
400
Applied Power (mW)
OPERATE TIME Release Time or Bounce Time at Release (ms)
Operate Time
2
Bounce Time at Operate
1
0
100
200
300
400
500
Applied Power (mW)
RELEASE TIME WITHOUT DIODE Release Time or Bounce Time at Release (ms)
RELEASE TIME WITH DIODE Release Time or Bounce Time at Release (ms)
Release Time
2
Release Time
2
1
Bounce Time at Release
1
Bounce Time at Release
0
100
200
300
400
500
0
100
200
300
400
500
Applied Power (mW)
Applied Power (mW)
RUNNING SPECIFICATIONS (Noload) Sample : EA2-5 n = 10 Load : None Contact Resistance (m) 5 Operate Voltage or Release Voltage (V) 4 3 2 1 0 1 5 10 2 3 Number of Operations ( x 10 6 operations)
Operate Voltage Release Voltage
Temperature : 85C Drive : 5 Vdc, 10 Hz 50% duty 1000 500 300 200 100 50 30 20 10 0 1 2 3 5 10 Number of Operations ( x 10 6 operations)
Make contact Break contact
DATA SHEET ER0001EJ6V0DS00
5
EA2 SERIES
MAGNETIC INTERFERENCE
Drift of Operate Voltage (%)
Drift of Release Voltage (%)
50 40 30 20 10
0
Max.
-10 -20 -30 -40 -50
Min.
I
II
III IV Layout
V
VI
50 40 30 20 10 0 -10 -20 -30 -40 -50
Max.
Min.
I
II
III IV Layout
V
VI
2.54 ON ON OFF OFF ON OFF
ON Layout I Layout II Layout III
OFF Layout IV
ON ON ON Layout V
OFF OFF OFF Layout VI Mounting Layout (mm) Sample
PACKAGE
Dimensions of Relay Tube (Unit : mm) 40 pieces / Tube Material : Polyvinyl chloride (auti-static treated) 586 +1 -
13.7 + 0.3 -
(0.5 t)
(4.6)
12.0 + 0.3 -
(2.5)
(6.2)
( ) Reference
(4.5)
Outline of Package Rubber stopper (Red) Rubber stopper (Green)
Index Mark
6
DATA SHEET ER0001EJ6V0DS00
2.54
EA2 SERIES
GUIDE TO APPLICATIONS
1. When connecting coils, refer to the pin configuration to prevent misoperation or malfunction. 2. The latch type relay should be initialized at the appointed position (set or reset position) when using, and should be energized or deenergized to the specified polarity to avoid wrong operations by reversed contact state. 3. Soldering should be done at 250C within 10 sec. 4. Ultrasonic cleaning is not recommended to keep reliable contact performance. Alcohol-based solvents are available as proper solvents. 5. Pressurized stress on the relay cover is not favorable to keep reliable operation of the relay during operation. 6. Minimum contact load of the relay is 10 mV, 10 A. This value is a reference value in the resistance load. Minimum capacity changes depending on swiching frequency and environment temperature and the load.
DATA SHEET ER0001EJ6V0DS00
7
EA2 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 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. 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 antifailure 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, 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 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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