TRF250-145 Tyco Electronics, TRF250-145 Datasheet

TRF250-145

Manufacturer Part Number

TRF250-145

Description

POLYSWITCH 0.145A HOLD ENCAPSUL

Manufacturer

Tyco Electronics

Series

PolySwitch®r

Datasheets

1.TRF250-145.pdf (1 pages)

2.TCF250-120T-RB-B-0.5.pdf (20 pages)

3.TRF250-145.pdf (1 pages)

Specifications of TRF250-145

R Min/max

3.000 ~ 6.000 Ohm

Voltage - Max

60V

Time To Trip

Current - Hold (ih) (max)

145mA

Current - Trip (it)

290mA

Current - Max

Package / Case

Radial

Holding Current

145mA

Tripping Current

290mA

Initial Resistance Max

6ohm

Operating Voltage

60VDC

Ptc Fuse Case

Radial Lead

Initial Resistance Min

3ohm

Resistance R1

14ohm

Hold Current

0.145 Amp

Trip Current

0.29 Amp

Current Rating (max)

3 Amps

Resistance

14 Ohms

Maximum Voltage

60 VoltsDC

Termination Style

Radial

Mounting Style

Through Hole

Current Rating

3 Amps

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Lead free / RoHS Compliant

Other names

RF0021-000

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

TRF250-145

Manufacturer:

Raychem

Quantity:

5 500

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

TRF250-145-2

Manufacturer:

Raychem

Quantity:

7 500

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

TRF250-145-B-2-0.5

Manufacturer:

Tyco

Quantity:

45 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

TRF250-145-RA

Manufacturer:

Tyco

Quantity:

35 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

TRF250-145-RB

Manufacturer:

Tyco

Quantity:

45 000

Current page: 1 of 1
Download datasheet (64Kb)

Max Electrical Rating at 20ºC

Marking:

Tyco / Electronics

Raychem Circuit Protection

308 Constitution Drive

Menlo Park, CA 94025-1164

Phone: 800-227-4856

Fax: 800-227-4866

Lead Material

External Coating Material: Cured, flame

mm:

in:

* Maximum device resistance at 20°C measured 1 hour post trip.

Interrupt Current: 3A

Fault Voltage: 250V

Operating Voltage: 60V

TABLE II. PERFORMANCE RATINGS @ 20ºC (unless otherwise noted):

(0.65 mm

retardant epoxy polymer, meeting UL94 V-0

requirements.

Additional Ratings @ 20°C

Agency Recognition:

Reference Documents:

Precedence:

Effectivity:

CAUTION:

IHOLD (A)

Lightning Withstand

0.145

MIN

TABLE I. DIMENSIONS:

[0.026”] nominal diameter)

: 22 AWG Sn/Pb plated copper

(0.256)

MAX

6.5

ITRIP (A)

Raychem Logo

Part Identification

RoHS Indication

0.290

Lot Identification

RMS

MIN

ITU-T @ 1.5kV

Specification Status: RELEASED

(0.433)

MAX

11.0

R MIN

UL, CSA, TUV

PS300

This specification takes precedence over documents referenced herein.

Reference documents shall be the issue in effect on the date of invitation for bid.

Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.

3.0

Overcurrent Protection Device

RESISTANCE (Ω)

MIN

R MAX

PolySwitch®

PTC Devices

6.0

(0.180) (0.185)

MAX

4.6

For new designs please use TRF250-145.

14.0

MIN

1 MAX

4.7

Not to be used for new designs.

MAX

TIME TO TRIP (s)

@ 1A

TYP

(0.197)

2.5

NOM

5.0

DOCUMENT: SCD 22544

PCN: 844735-000; 636309-000

REV LETTER: K

REV DATE: APRIL 11, 2006

PAGE NO.: 1 OF 1

PRODUCT: TR250-145

MIN

TEMPERATURE (°C)

MIN

-40

OPERATING

(0.276)

MAX

7.0

MAX

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