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A250 PPTC Resettable Fuse
A250 PPTC Resettable Fuse Display pictures2 Display pictures3 Display pictures4 Display pictures5
  • Brand: JDT FUSE
  • Classification: DIP PTC
  • Voltage: 250V
  • Current: 0.03A-2A
  • Introduction The JDTFUSE A250 Series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21.

Detailed

Detail specification

UL certification

JDT Fuse PPTC, Radial-Leaded resettable fuses, 250V series, designed in Taiwan

Electrical properties  

JDT FUSE

Working voltage

Maximum current

Maintain current

Trip current

Power consumption

Maximum current tripping time

Resistance range

Vmax

Imax

Ihold

Itrip

Pd 

Current

Time

Rimin

Rimax

R1max

(Vdc)

(A)

(A)

(A)

(W)

(A)

(Sec)

(W)

(W)

(W)

 A250-030

250

3.0

0.030

0.060

1.00

0.35

4.00

33.0

65.0

97.5

 A250-040

250

3.0

0.040

0.080

1.00

0.35

4.00

24.0

65.0

97.5

 A250-050

250

3.0

0.050

0.010

1.00

0.35

4.00

33.0

60.0

90.0

 A250-060

250

3.0

0.060

0.012

1.00

0.35

4.00

22.0

32.0

40.0

 A250-080

250

3.0

0.080

0.160

1.00

0.35

3.00

12.0

22.0

33.0

 A250-090

250

3.0

0.090

0.018

1.00

0.35

4.00

10.0

20.0

26.0

 A250-110

250

3.0

0.110

0.220

1.00

1.00

1.10

6.0

12.0

16.0

 A250-120

250

3.0

0.120

0.240

1.00

1.00

1.50

6.5

10.5

16.0

 A250-145

250

3.0

0.145

0.290

1.00

1.00

2.50

3.5

6.5

14.0

 A250-160

250

3.0

0.160

0.330

1.00

1.50

10.0

2.5

3.5

5.3

 A250-180

250

10.0

0.180

0.36

1.50

1.00

18.0

1.0

3.0

5.0

 A250-200

250

3.0

0.20

0.40

1.0

1.5

10.0

1.50

3.20

4.50

 A250-350

250

3.0

0.35

0.70

1.0

1.5

10.0

1.0

2.4

3.60

 A250-400

250

3.0

0.40

0.80

3.0

2.00

10.0

0.75

1.10

1.40

 A250-500

250

3.0

0.50

1.00

3.0

2.50

10.0

0.45

0.80

1.20

 A250-600

250

3.0

0.60

1.20

3.0

3.00

10.0

0.50

0.75

1.00

 A250-800

250

3.0

0.80

1.60

3.5

4.00

8.0

0.45

0.65

1.00

 A250-1000

250

3.0

1.00

2.00

4.0

5.00

10.0

0.28

0.51

0.75

 A250-2000

250

3.0

2.00

4.00

5.0

10.00

14.0

0.12

0.19

0.30

 

Vmax: Maximum voltage device can withstand without damage at rated current (Imax).

Imax: Maximum fault current device can withstand without damage at rated voltage (Imax). 

Ihold: Hold Current: Maximum current device will sustain for 4 hours without tripping in 25 o C still air. 

Itrip: Trip Current: minimum current at which the device will trip in 25 o C still air. 

Pd: Power dissipated from device when in the tripped state at 25 o C still air.

Ri: Minimum/Maximum resistance of device in initial (un-soldered) state.

R1max = Maximum resistance of device at 25 o C measured one hour after tripping. 

Caution: operation beyond specified ratings may result in damage and possible arcing and flame.

 

1

 JDTFUSE

Cross Reference

Tyco/Raychem

Bourns/Multifuse®

Polytronics/EVERFUSE®

Littelfuse

A250-030

TRF250-030

 

-

-

A250-040

TRF250-040

-

-

-

A250-050

TRF250-050

-

-

-

A250-060

TRF250-060

-

-

-

A250-080

TRF250-080

-

HVR250P080CF

250R080

A250-090

TRF250-090

-

-

-

A250-110

TRF250-110

-

-

-

A250-120

TRF250-120

MF-RX012/250

HVR250P120CF

250R120

A250-145

TRF250-145

MF-RX014/250

HVR250P145CF

250R145

A250-160

TRF250-160

-

-

-

A250-180

TRF250-180

MF-RX018/250

HVR250P180CF

250R180

A250-200

TRF250-200

-

 

        -

A250-350

TRF250-350

-

-

-

A250-400

TRF250-400

-

-

-

A250-500

TRF250-500

-

-

        -

A250-600

TRF250-600

-

-

-

A250-800

TRF250-800

-

-

        -

A250-1000

TRF250-1000

-

-

-

A250-2000

TRF250-2000

-

-

        -

          -

 

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Hits:   UpdateTime:2020-05-29 16:11:54
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