NF4EB-24V datasheet(1/3 Pages) NAIS

Part #	NF4EB-24V

Description	FLATPACK RELAY

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Manufacturer	NAIS [Nais(Matsushita Electric Works)]

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198

NF-RELAYS

FLATPACK RELAY

CSA

pending

mm inch

10.8

.425

20.0

.787

30.2

1.189

FEATURES

1. Flatpack

2. Long seller

SPECIFICATIONS

Contacts

1].

MBB types available: 2MBB & 4MBB

(See next page for contact positions.)

Coil

Remarks

* Speciﬁcations will vary with foreign standards certiﬁcation ratings.

*1 Measurement at same location as "Initial breakdown voltage" section

*2 Detection current: 10 mA

*3 Excluding contact bounce time

*4 Half-wave pulse of sine wave: 11ms; detection time: 10µs

*5 Half-wave pulse of sine wave: 6ms

*6 Detection time: 10µs

*7 Refer to 5. Conditions for operation, transport and storage mentioned in

AMBIENT ENVIRONMENT (Page 61).

Characteristics (at 25°C 77°F, 50% R.H. seal level)

Arrangement1]

2 Form C, 4 Form C

Initial contact resistance

(By voltage drop 6 V DC 1 A)

Max.

50 mOhm

Typical

25 mOhm

Contact material

Movable contact

Gold-clad silver

Stationary contact

Gold-clad silver

Rating,

(resistive load)

Max. switching power

60 W 100 VA

Max. switching voltage

220 V AC, DC

Max. switching current

2 A

Expected life

(min. operations)

Mechanical

108

Electrical

(Resistive)

2 A 30 V DC

2 x 105

1 A 30 V DC

106

0.5 A 30 V DC

107

Nominal operating power, at 25

∞C

2C

Approx. 300 mW

4C

Approx. 480 mW

Max. operating power for continuous duty

Approx. 1 W

at 40°C 104°F

Max. operating speed

50 cps

Initial insulation resistance*1

1,000 MOhm at 500 V DC

Electrostatic

capacitance

Contact/Contact

Approx. 4 pF

Contact/Coil

Approx. 7 pF

Contact/Ground

Approx. 6 pF

Initial

breakdown

voltage*2

Between open contacts

750 Vrms

Between contact sets

1,000 Vrms

Between live parts and ground

1,000 Vrms

Between contacts and coil

1,000 Vrms

Operate time*3 (at nominal voltage)

Max. 15 ms (Approx. 10 ms)

Release time (without diode)*3

(at nominal voltage)

Max. 10 ms (Approx. 3 ms)

Contact bounce

Approx. 1.5 ms

Shock

resistance

Functional*4

In de-energized

condition

Min. 29.4 m/s2 {3 G}

(In contact direction)

Min. 98 m/s2 {10 G}

(perpendicular to contact)

In energized

condition

Min. 196 m/s2 {20 G}

Destructive*5

Min. 980 m/s2 {100 G}

Vibration

resistance

Functional*6

In de-energized

condition

29.4 m/s2 {3 G}, 10 to 55 Hz

at double amplitude of 0.5 mm

(in contact direction)

98 m/s2 {10 G}10 to 55 Hz

at double amplitude of 1.6 mm

(perpendicular to contact)

In energized

condition

117.6 m/s2 {12 G}10 to 55 Hz

at double amplitude of 2 mm

Destructive

196 m/s2 {20 G}, 10 to 55 Hz

at double amplitude of 3.3 mm

Conditions for operation,

transport and storage*7

(Not freezing and condens-

ing at low temperature)

Ambient temp.

–40°C to + 65°C

–40°F to +149°F

Humidity

5 to 85%R.H.

Unit weight

2C

Approx. 14 g .49 oz

4C

Approx. 15.5 g .55 oz

TYPICAL APPLICATIONS

NF relays are widely acceptable in appli-

cations where small size and high sensi-

tivity are required.

Such applications include: Electronic

equipment, Household applications,

Alarm systems, Ofﬁce machines, Com-

munication equipment, Measuring equip-

ment, Remote control systems, General

control circuits, Machine tools, Industrial

machinery, etc.

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