Disc PPTC Dip PTC Resettable Fuse
  • Air ProDisc PPTC Dip PTC Resettable Fuse
  • Air ProDisc PPTC Dip PTC Resettable Fuse
  • Air ProDisc PPTC Dip PTC Resettable Fuse
  • Air ProDisc PPTC Dip PTC Resettable Fuse

Disc PPTC Dip PTC Resettable Fuse

Due to increasing demands for electronic components in more and more ambitious applications, the protection of these systems has become very important. Especially in cost intensive applications a reliable over current protection has to be ensured. A right circuit protection has therefor a direct influence on the correct function of the application and on its long life cycle and quality. Wherever a replacement of the protection components in case of need is not possible, the use of resettable fuses is indispensable.The following is about Disc PPTC Dip PTC Resettable Fuse related, I hope to help you better understand Disc PPTC Dip PTC Resettable Fuse.

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Product Description

Disc PPTC Dip PTC Resettable Fuse

Disc PPTC Thermistor Ceramic Dip PTC Resettable Fuse 250V For Telecommunication Overload


Features Of Disc PPTC Dip PTC Resettable Fuse 250V


• Wide resistance range in telecom area from 4 Ω to 70 Ω

• Fast protection against power contact faults

• Withstand high overload currents of up to 10 A

• High voltage withstanding capabilities for the larger sized thermistors (up to 600 V)

• Good tracking over a wide temperature range for all matched or binned thermistors (matching at 85 °C ≤ 2 x matching at 25 °C)

• UL1434 approved types available (XGPU2)

• All telecom PTCs are coated with a high temperature silicon lacquer (UL 94 V-0) to protect them from any harsh environments and to improve their lifetime

Disc PPTC Dip PTC Resettable Fuse factoryDisc PPTC Dip PTC Resettable Fuse factoryDisc PPTC Dip PTC Resettable Fuse factoryDisc PPTC Dip PTC Resettable Fuse factoryDisc PPTC Dip PTC Resettable Fuse factory

Application Of Disc PPTC Dip PTC Resettable Fuse 250V


Over-temperature/over-load protection:

• Main distribution frame (MDF)

• Central office switching (C.O.)

• Subscriber terminal equipment (T.E.)

• Set-top box (S.B.)


Description Of Disc PPTC Dip PTC Resettable Fuse 250V


Polymer Positive Temperature Coefficient (PPTC) Resettable Fuses are overcurrent protection devices used in a wide variety of circuit protection applications. Under fault conditions a PTC's resistance will rise exponentially and remain in a tripped state, providing continuous overcurrent protection until the fault is removed. Once the fault is removed, the power cycled through the device will return to its normal low resistance state.


Electrical Characteristics Of Disc PPTC Dip PTC Resettable Fuse 250V


P/N

Hold Current

Trip Current

Max Current

Max Current


Max Voltage

Max Trip Time

Power consumption

Resistance Range (Ω)

IH, (A)

IT,(A)

Vmax,(v)

Imax,(A)

Vmax,(v)

(A)

(Sec.)

Pdtyp(W)

Rmin

Rmax

R1max

TRF002

0.020

0.045

60

3.0

250

1.0

0.1

1.0

65

145

240

TRF004

0.040

0.080

60

3.0

250

0.50

1.0

1.0

24.0

65.0

97.5

TRF006

0.060

0.120

60

3.0

250

0.50

2.0

1.0

22.0

36.0

56.0

TRF008

0.080

0.160

60

3.0

250

0.35

4.0

1.0

14.0

22.0

33.0

TRF009

0.09

0.22

60

3.0

250

1.0

1.0

1.0

9.7

20.6

33.0

TRF011

0.110

0.220

60

3.0

250

1.0

2.0

1.0

6.0

12.0

18.0

TRF012

0.12

0.24

60

3.0

250

1.00

3.0

1.0

6.0

10.0

16.0

TRF012U

0.12

0.24

60

3.0

250

1.00

1.5

1.0

6.0

10.0

16.0

TRF014

0.145

0.29

60

3.0

250

1.00

2.5

1.0

3.0

6.0

14.0

TRF014U

0.145

0.29

60

3.0

250

1.0

2.5

1.0

3.5

6.5

12.0

TRF018

0.18

0.54

60

3.0

250

3.0

1.5

1.8

1.0

2.2

4.0

TRF018U

0.18

0.54

60

3.0

250

3.0

1.5

1.8

1.0

2.2

4.0

TRF020

0.2

0.6

60

3.0

250

3.0

5.0

1.8

1.7

3.5

6.30

TRF030

0.30

0.60

60

3.0

250

3.0

6.0

1.8

1.0

2.2

3.50

TRF040

0.400

0.800

60

5.5

250

3.0

8

1.8

0.80

1.60

3.20

TRF050

0.50

1.00

60

6.0

250

3.0

10

3.0

0.56

1.40

2.52

TRF060

0.60

1.20

60

7.0

250

3.0

12

3.2

0.40

1.10

2.16

Trf080

0.80

1.60

60

8.0

250

4.0

18

3.6

0.32

0.80

1.44

TRF100

1.00

2.00

60

10.0

250

5.0

21

2.9

0.22

0.50

0.90

TRF200

2.00

4.00

60

10.0

250

10.0

28

4.5

0.09

0.16

0.26


“U” suffix indicates product without insulation coating.


Product Dimensions & Marking Of The Dip PTC Resettable Fuse 250V (Unit: mm)


Disc PPTC Dip PTC Resettable Fuse factory

P/N

A

B

C

D

E

Physical Characteristics

Max.

Max.

Typ.

Min.

Max.

Style

Lead Dia.

Material.

TRF002

7.4

12.7

5.1

7.6

4.5

1

0.5

CP

TRF004

5.8

9.9

5.1

7.6

4.5

1

0.5

CP

TRF006

5.8

9.9

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF008

7.4

12.7

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF009

7.4

12.7

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF011

6.5

11.0

5.1

5.0

4.5

2

0.6

Sn/Cu

TRF012

6.8

12.0

5.1

7.6

4.5

2

0.6

Sn/Cu

TRF012U

6.8

12.0

5.1

7.6

4.5

2

0.6

Sn/Cu

TRF014

6.5

11.0

5.1

5.0

4.5

2

0.6

Sn/Cu

TRF014U

6.0

10.0

5.1

4.7

4.5

2

0.6

Sn/Cu

TRF018

10.2

14.5

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF018U

10.2

14.5

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF020

10.5

17.0

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF030

11.0

16.8

5.1

7.6

4.5

1

0.6

Sn/Cu

TRF040

11.7

17.0

5.1

7.6

3.8

1

0.6

Sn/Cu

TRF050

13.0

18.0

5.1

7.6

3.8

2

0.6

Sn/Cu

TRF060

14.0

19.5

5.1

7.6

3.8

2

0.6

Sn/Cu

TRF080

16.3

21.3

5.1

7.6

3.8

3

0.8

Sn/Cu

TRF100

17.8

22.9

5.1

7.6

3.8

3

0.8

Sn/Cu

TRF200

28.4

33.5

10.2

7.6

3.8

3

0.8

Sn/Cu


Packing Info Of Disc PPTC Dip PTC Resettable Fuse 250V


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PTC Applications Of Disc PPTC Dip PTC Resettable Fuse 250V


PTCs are used as circuit protection in applications where sensitive components are at risk of damage from overcurrent conditions. The ability of PTCs to reset themselves after exposure to a fault current makes them ideal for use in circuits that are not easily accessible to a user or technician. Typical applications include port protection on personal computers (USB, Firewire, keyboard/mouse, and serial ports), peripherals (hard drives, video cards, and hubs), cell phone, battery packs, industrial controls, lighting ballast and motor controls.

When to apply a resettable PTC vs. a traditional fuse is always the choice of the There is an important area of applications where the use of resettable fuses (PTCs) has become a requirement.

Much of the design work for personal computers and peripheral devices is strongly infl uenced by the Microsoft and Intel System Design Guide which states that “Using a fuse that must be replaced each time an overcurrent condition occurs is unacceptable.” And the SCSI (Small Computer Systems Interface) Standard for this large market includes a statement that “....a Positive Temperature Coefficient device must be used instead of a fuse, to limit the maximum amount of current sourced”.The application selection guide below should be used as an aid in selecting the proper device for your end application. Please consult the datasheets for detailed technical specifications designer or technician but in some cases, PTC’s offer a convenient form of circuit protection to improve the reliability of an application.

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