PTCTL

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Vishay BCcomponents

Revision: 13-Nov-15

1

Document Number: 29070

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

PTC Thermistors, Overload Protection for Telecommunication

FEATURES

• 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

• Material categorization: for definitions of compliance

APPLICATIONS

Over-temperature/over-load protection:

• Main distribution frame (MDF)

• Central office switching (C.O.)

• Subscriber terminal equipment (T.E.)

• Set-top box (S.B.)

MARKING

Clear marking on a gray coated body

BC and

Notes

• All types pass ITU-T K20-21-45 telecommunication protection recommendation

QUICK REFERENCE DATA

PARAMETER

VALUE

UNIT

Maximum voltage (RMS or DC)

220 to 600

100 to 175

mA

Resistance at 25 °C (

Ω

Tolerance on

15 to 25

%

0.6 to 10.0

A

Tripping time at 1 A

1 to 40

s

Operating temperature range

at max. voltage

0 to 70 (95)

°C

ELECTRICAL DATA AND ORDERING INFORMATION

RESISTANCE

MATCHING

(

Ω)

NON-TRIP

CURRENT

TRIP

CURRENT

MAX.

TRIP TIME

at 1 A 

 AT

APPLICATION

ORDERING PART

NUMBERS

(Ω)

TOL.

(%)

(mA)

at T

(°C)

(mA)

at T

(°C)

(S)

(A)

25

± 20

1.0

220

70

70

200

25

2.5

4.0

C.O.

PTCTL4MR250GTE

10

± 20

1.0

230

100

70

250

25

3.0

2.0

MDF; ISDN

PTCTL3MR100GTE

25

± 15

no

245

70

70

200

25

5.0

2.6

C.O.

PTCTL4NR250GTE

16

± 20

no

245

140

55

270

25

8.0

1.6

T.E.

PTCTL6NR160GTE

10

± 20

no

245

140

55

270

25

8.0

2.0

T.E.

PTCTL6NR100GTE

25

± 20

1.0

250

70

70

175

25

1.3

3.2

MDF; C.O.

PTCTL3MR250HTE

10

± 20

no

250

100

70

450

0

40.0

10.0

T.E.

PTCTL8NR100HBE

8

± 25

0.5

285

135

95

400

25

6.0

0.6

MDF; ISDN

PTCTL4MR080JBE

16

± 25

no

300

100

70

250

25

2.0

2.6

MDF; T.E.

PTCTL3NR160KTE

10

± 20

no

350

100

70

270

25

4.0

1.0

T.E.; S.B.

PTCTL4NR100LBE

10

± 20

1.0

350

100

70

270

25

4.0

1.0

C.O.

PTCTL4MR100LTE

50

± 20

1.0

600

50

70

140

25

1.0

1.0

C.O.

PTCTL4MR500SBE

35

± 20

3.0

600

70

70

600

0

3.0

1.0

C.O.

PTCTL4MR350STE

25

± 20

0.5

600

70

70

170

25

2.5

2.0

C.O.

PTCTL4MR250STE

25

± 20

0.5

600

70

70

170

25

5.0

2.0

C.O.

PTCTL6MR250STE

10

± 20

0.5

600

175

25

400

25

7.0

1.0

C.O.

10

± 20

no

600

175

25

400

25

7.0

1.0

T.E.; S.B.