Tyco/Electronics

Raychem Circuit Protection

308 Constitution Drive

Menlo Park, CA 94025-1164

Phone: 800-227-4856

Fax: 800-227-4866

PolySwitch®

PTC Devices

Overcurrent Protection Device

PRODUCT: TR250-080U

DOCUMENT: SCD 23431

PCN: 856313

REV LETTER: E

REV DATE: NOVEMBER 14, 2001

PAGE NO.: 1 OF 1

Max Electrical Rating at 20

°°°°C

Lead Material : 22 AWG Sn/Pb plated

copper

Marking:

None

TABLE I. DIMENSIONS

A

B

C

D

E

Min

Max

Min

Max

Min

Max

Min

Max

Nom

mm:

--

4.8

--

9.30

--

3.8

4.7

--

5.0

in*:

--

(0.189)

--

(0.366)

--

(0.150)

(0.185)

--

(0.197)

TABLE II. PERFORMANCE RATINGS @ 20

°°°°C (unless otherwise noted):

IHOLD (A)

RESISTANCE (

Ω)

@ 20

° C

TIME TO TRIP

@ 0.35A

OPERATING

TEMPERATURE (

°C)

20

°C

R MIN

R MAX

Seconds, MAX

MIN

MAX

0.080

14.0

20.0

33.0

3

-40

85

* Maximum device resistance at

20

°C measured 1 hour post trip.

Additional Rating @ 20

°C

Lightning Withstand:

ITU @ 1.0KV

Storage Temperature:

-40 to 85

° C

Agency Recognition:

UL, CSA, TUV

Reference Documents:

PS300

Precedence:

This specification takes precedence over documents referenced herein.

Effectivity:

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

CAUTION:

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