308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Device
Raychem Circuit Protection Products
PRODUCT: RUEF250
DOCUMENT: SCD 25174
PCN: A91311
REV LETTER: D
REV DATE: JULY 27, 2007
PAGE NO.: 1 OF 1
Specification Status: Released
Maximum Electrical Rating at 20°C
30 V
DC /100 A DC
30 V
AC /70 ARMS
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
24 AWG Tin Plated Copper Clad Steel
Marking:
Raychem Logo
and Voltage
Lot Identification
Part Identification
UF250
(can be on back)
30
TABLE I. DIMENSIONS:
A B C D E
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
mm: -- 11.4 -- 18.3 4.3 5.8 7.6 -- -- 3.0
in*: -- (0.45) -- (0.72) (0.17) (0.23) (0.30) -- -- (0.12)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
I HOLD CURRENT
RATINGS TIME TO
TRIP RESISTANCE ONE-HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
NOMINAL
TRIPPED
POWER
DISSIPATION
AMPS
20°C AMPS AT
20°C SECONDS AT
20°C,12.5A OHMS
AT 20°C OHMS
AT 20°C WATTS AT
20°C
HOLD HOLD TRIP MAX MIN MAX MAX
2.50 2.50 5.00 10.3 0.02 0.04 0.07 1.2
Agency Recognitions: 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.
Materials Information
ROHS Compliant ELV Compliant Pb-Free
© 2005, 2007 Tyco Electronics Corporation. All rights reserved.
