308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Devi ce
Raychem Circuit Protection Products
PRODUCT: RXEF050
DOCUMENT: SCD 25219
PCN: A51391
REV LETTER: G
REV DATE: DECEMBER 9, 2009
PAGE NO.: 1 OF 1
Specification Status: Released
Electrical Rating
Voltage: 72V MAX
Current: 40A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
24 AWG Tin Plated Copper
Marking:
Manufacturer’s Ma
and Voltage
Lot Identification
Part Identification
XF050
(can be on back)
72
TABLE I. DIMENSIONS:
A B C D E
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
mm: -- 7.9 -- 13.7 4.3 5.8 7.6 -- -- 3.0
in*: -- (0.31) -- (0.54) (0.17) (0.23) (0.30) -- -- (0.12)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS :
I HOLD
RATED
CURRENT
CURRENT
RATINGS INITIAL
RESISTANCE
VALUES
TIME TO TRIP ONE HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
TRIPPED-
STATE
POWER
DISSIPATION
AMPERES
AT 20°C AMPERES
AT 20°C OHMS
AT 20°C SECONDS AT
20°C, 2.5A OHMS
AT 20°C WATTS
AT 20°C
HOLD HOLD TRIP MIN MAX MAX MAX NOMINAL
0.50 0.50 1.00 0.50 0.77 4.0 1.17 0.77
Agency Recognitions: UL, CSA and 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
© 2006, 2009 Tyco Electronics Corporation. All rights reserved.
NOT the LATEST
REVISION
SUPERSEDED
