NEC ED2, EF2 DATA SHEET

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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 ™ 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

s) and BELLCORE (2500 V, 2 × 10 µs)

APPLICA TIONS

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

DIMENSIONS AND PAD LAYOUTS (Unit : mm (inch))

ED2 SERIES

Non-latch and Single coil latch Double coil latch

ED2/EF2 SERIES

EF2-.. EF2-..NU

(0.200)

EF2-..NUH

EF2 SERIES

15.0 MAX. (0.591)

(0.591)

2-2.54 (2-0.100)

5.08

15.0 MAX.

7.5 (0.30) MAX.

9.4(0.37) MAX.

3.2 (0.13)

5.08

(0.20)

0.5

(0.02)

15.0 (0.59) MAX.

5.08

2.54 2.54 2.54

(0.20)

(0.10)(0.10)(0.10)

Note. General tolerance : ±0.2 (±0.008)

Dimensions in show basic size. NJ type : Leads-2.8 mm (0.110)

EF2-..NUX

7.5 MAX. (0.296)

1.0

(0.394)

(0.039)

10.0 MAX.

note2

5.08

(0.200)

9.5

(0.374)

7.5 MAX. (0.296)

EF2-..NUN

0.25

(0.01)

5.08

(0.200)

15.0 MAX. (0.591)

φφ

2.54

(0.100)

8- 0.8 (0.031)

4 × 2.54 (0.100)

2.54(0.1)

(Bottom fiew)

(0.100)

Note. General tolerance : ±0.1 (±0.004)

7.5 MAX. (0.296)

(0.408)

1.35 (0.053)

10.35 MAX.

note2

2-2.54 (2-0.100)

5.08 (0.2)

9.0

(0.354)

7.5 MAX. (0.296)

2.54

10- 0.8 (0.031)

5 × 2.54 (0.100)

2.54(0.100)

1.0(0.039)

5.08

(0.200)

(Bottom view)

2.54(0.100)

note2

3-2.54

(0.100)

5.08

(0.200)

1.0

(0.394)

(0.039)

10.0 MAX.

note2 note2

2-2.54 (2-0.100)

5.08

(0.200)

7.5

(0.295)

5.08

(0.200)

2-2.54 (2-0.100)

Note 1. General torelance : ±0.2 (±0.008) Note 2. This pair of pins at the right end applies

to double coil latch type only.

1.6 (0.063)

10.6 MAX.

(0.418)

5.08

(0.200)

7.5

(0.295)

Type A B EF2-.. 3.0 (0.118) 7.29 (0.287) EF2-..NU 3.0 (0.118) 7.29 (0.287) EF2-..NUX 2.73 (0.107) 7.02 (0.276) EF2-..NUH 2.0 (0.079) 6.29 (0.248) EF2-..NUN 2.0 (0.079) 6.29 (0.248)

Note 1. General torelance : ±0.1 (± 0.004) Note 2. This pair of pads at the right end

applies to double coil latch type only.

DATA SHEET ER0304EJ2V0DS002

PIN CONFIGURATIONS (bottom view)

ED2 SERIES

ED2/EF2 SERIES

Index mark of relay direction

EF2 SERIES

Index mark of relay direction

1345

12 10 9 8

Non-latch type

(not energized position)

1345

12 10 9 8

Non-latch type

(not energized position)

1345

SRSR

12 10 9

Single coil latch type

(reset position)

S : Coil polarity of set (operate) R : Coil polarity of reset (release)

1345

12 10 9 8

Single coil latch type

(reset position)

13456

12 10 9 8 7

Double coil latch type

(reset position)

1345

12 10 9 867

Double coil latch type

(reset position)

MARKINGS (top view)

ED2-5

JAPAN

Standard type UL recognized,

9717

SAFETY STANDARD AND RATING

UL Recognized CSA Certificated

(UL508)* (CSA C22.2 No14)

File No E73266 File No LR46266

30 Vdc, 1 A (Resistive) 110 Vdc, 0.3 A (Resistive) 125 Vac, 0.5 A (Resistive)

* Spacing : UL114, UL478

S : Coil polarity of set (operate) R : Coil polarity of reset (release)

q Part number

ED2-5NU

JAPAN

CSA certified type (Under application for latch type)

9717

w Manufacturer e Country of origin r Date code t Index mark of relay direction

(pin No. 1, 12)

y UL, CSA Marking

3DATA SHEET ER0304EJ2V0DS00

PERFORMANCE CHARACTERISTICS (Community)

ED2/EF2 SERIES

Contact Form

Contact Ratings

Minimum Contact Ratings Initial Contact Resistance Contact Material

Nominal Operating Power

Operate Time (Excluding Bounce) Release Time (Excluding Bounce) Insulation Resistance

Maximum Switching Power Maximum Switching Voltage Maximum Switching Current Maximum Carrying Current

Non-Latch Type Single Coil Latch Type Double Latch Type

Between Open Contacts

2 Form c 30 W (resistive) 62.5 VA (resistive) 220 Vdc 250 Vac 1 A 2 A 10 mV.dc, 10 µA *

50 mΩ typ. (Initial) Silver alloy with gold alloy overlay 50 to 70 mW 30 to 80 mW 50 to 80 mW Approximately 3 ms Approximately 2 ms without diode 1000 MΩ at 500 Vdc 1000 Vac for one minute (1500 V surge, 10 × 160 µs

Breakdown Voltage Between Adjacent Contacts

Non-latch type and single-coil latch type

Between Coil and Contact

1500 Vac for one minute (2500 V surge, 2 × 10 µs *2) Double-coil latch type 1000 Vac for one minute (1500 V surge, 10 × 160 µs *1)

735 m / s2 (75 G) (misoperating)

Shock Resistance

980 m / s2 (100 G) (destructive failure) 10 to 55 Hz at double amplitude of 3 mm (20 G)

Vibration Resistance

(misoperating) 10 to 55 Hz, double amplitude of 5 mm (30 G) (Destructive failure)

Non-latch type (Additional “N”): –40 to +85˚C

Ambient Temperature

Non-latch type (Standard): –40 to +70˚C Latch type : –40 to +70˚C

Coil Temperature Rise

No-load

Running specifications

Load

Weight

∗

rise time : 10 µs, fall time : 160 µs

∗

rise time : 2 µs, fall time : 10 µs

∗

This shows a number of operation where it can be running by which a fatal is not caused, and number of operation by wich a stesdy characteristic is maintained is 1 × 107 times.

∗

This value is a reference value in the resistive load.

7 degrees at nominal coil voltage (50 mW) 1 × 108 *3 operations (Non-latch type) 1 × 107 operations (Latch type) 50 Vdc 0.1 A (resistive), 1 × 106 operations at 70˚C 10 Vdc 10 mA (resistive), 1 × 106 operations at 70˚C Approximately 2.2 grams

Minimum capacity changes depending on seitching frequency and enviroment temperature and the load.

∗

)

DATA SHEET ER0304EJ2V0DS004

PART NUMBER SYSTEM

ED2/EF2 SERIES

ED2 – 9 S NU

Nil : Standard type NU : UL recognized, CSA certified type NJ : Trimed leads

(UL recognized, CSA certified type)

Latch type

Nil : Non-latch type (Note 1) S : Single coil latch type T : Double coil latch type

Nominal coil voltage

1.5, 3, 4.5, 5, 6, 9, 12, 24 V

ED2 series

(UL, CSA : Under application for latch type)

EF2 - 5 S NUH

Note 1. There are two specification in operate voltage of Non-latch type relay.

Additional “N” type

Standard type

Part Number

ED2-*NU

-*NJ

ED2-∗

Must Operate Voltage

75%

80%

∗ : Nominal coil voltage

Note 2. There are two specification in operate voltage of Non-latch type relay.

Part Number

Must Operate Voltage

ED2-*NU

Additional “N” type

-*NUX

-*NUH

75%

-*NUN

Standard type

EF2-∗

80%

∗ : Nominal coil voltage

Feature

Nil : Standard type NU : UL recognized, CSA certified type NUX : High solder joint reliability (20 years) NUH : Minimum footprint (7.5 × 15) NUN : High solder joint reliability with minimum footprint

Latch type

Nil : Non-latch type (Note 2) S : Single coil latch type T : Double coil latch type

Nominal coil voltage

1.5, 3, 4.5, 5, 6, 9, 12, 24 volts

EF2 series

5DATA SHEET ER0304EJ2V0DS00

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