NF2EB-4M-12V datasheet(3/3 Pages) NAIS

Part #	NF2EB-4M-12V

Description	FLATPACK RELAY

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Manufacturer	NAIS [Nais(Matsushita Electric Works)]

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NF

200

REFERENCE DATA

1. Life curve

2. Coil temperature rise (resistance method)

3. H2S gas test

0.5

1

1.5

2

2.5

10

100

1,000

30 V DC Resistive

Load current, A

0.2

0.4

0.6

0.8

1.0

1.2 1.4

20

40

60

Operating power, W

Exposure time, hrs

50m

Ω

100m

Ω

500m

Ω

1

Ω

5

Ω

10

Ω

50

Ω

100

Ω

20 50 100 200 1,000

2,000

500

Gas density:

2 to 5 ppm

Temperature: 40

°C

Humidity: 90%

Sealed NFEB relay

4. Contact reliability

Test conditions:

1. Contact current/voltage: 10 µA 100 mV 1 kHz

2. Cycle rate 20 cps.

3. Miscontact detection level: 1 mW (= 100 Ohm)

4. Detection method: Observation of all changeover

contacts

Test result:

m = 1.5

m = 21.2 x 106

95% conﬁdence level = 3.1 x 106

17 contacts out of 20 achieved 10 million no miscon-

tact operations.

0.1

0.5 1.0

5.0 10.0

50 100

0.1

0.2

0.15

0.3

0.4

0.5

1.0

1.5

2.0

3.0

4.0

5.0

10.0

20.0

25.0

30.0

40.0

50.0

60.0

70.0

80.0

90.0

95.0

99.0

99.9

15.0

No. of operations,

×106

F(t)(%)

5. High temperature test

Test conditions:

Ambient temperature: 80°C ±2°C

Test method:

1. All contacts were switched for 100 operations on 2

A 30 V DC resistive load.

2. Samples then were exposed to 80°C temperature

for 5,000 hours, continuous

3. Contact resistance was measured with Hewlett-

Packard testing equipment.

Test result:

Amber relays showed a stable spread of contact resis-

tance within the initially speciﬁed 50 mW after 5,000

hours exposure.

100 200 300 400 500 1,000

5,000

3,000

0

10

20

30

40

50

60

70

Exposure, hrs.

N.C. contacts

N.O. contacts

Min.

Max.

Min.

Max.

NOTES

1. Prevention of vibration and shock

To reduce the likelihood of vibration and

shock, we recommend that you install so

that the contact action is not in the direc-

tion of gravity.

Top

Common terminal

Coil terminal

NC terminal

NO terminal

Bottom



 2001 Matsushita Electric Works Group Europe

For Cautions for Use, see Relay Technical Information.

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