Tyco/Electronics

Raychem Circuit Protection

308 Constitution Drive

Menlo Park, CA 94025-1164

800-227-4856

FAX 800-227-4866

PolySwitch®

PTC Devices

Overcurrent Protection Device

PRODUCT: RUSB155

DOCUMENT: SCD 24372

PCN: 832071

REV LETTER: C

REV DATE: FEBRUARY 3, 2003

PAGE NO.: 1 OF 1

Electrical Rating

Current: 40A MAX

Insulating Material:

Cured, Flame Retardant Epoxy Polymer

meets UL 94 V-O Requirements

Lead Material:

24 AWG Tin Lead Plated Copper Clad Steel

Marking:

Raychem Logo

Lot Identification

Part Identification

R155

(can be on back)

TABLE I. DIMENSIONS:

A

B

C

D

E

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

mm:

--

6.9

--

11.7

4.3

5.9

7.6

--

--

3.1

in*:

--

(0.27)

--

(0.46) (0.17) (0.23)

(0.30)

--

--

(0.12)

TABLE II. PERFORMANCE RATINGS :

I HOLD

RATED

CURRENT

CURRENT

RATINGS

INITIAL

RESISTANCE

VALUES

ONE HOUR

POST-TRIP

RESISTANCE

STANDARD TRIP

TIME TO TRIP

@ 7.75A

TRIPPED-STATE

POWER

DISSIPATION

AMPERS

AT 20

°C

AMPERES

AT 20

°C

OHMS

AT 20

°C

OHMS

AT 20

°C

SECONDS AT

20

°C

WATTS

AT 20

°C

HOLD

HOLD

TRIP

MIN

TYP

MAX

1.55

1.55

2.65

0.04

0.06

0.10

2.2

0.6

Agency Recognitions:

UL, CSA, TUV recognized.

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.