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Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PolySwitch®
PTC Devices
Overcurrent Protection Devi ce
Raychem Circuit Protection Products
PRODUCT: RXEF185K
DOCUMENT: SCD 26468
PCN: RF0381
REV LETTER: B
REV DATE: OCTOBER 1, 2007
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:
20 AWG Tin Plated Copper
Marking:
TABLE I. DIMENSIONS:
A B C D E
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
mm: -- 16.76 -- 23.0 4.3 5.8 7.6 -- -- 3.0
in*: -- (0.660) -- (0.91) (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, 9.25A OHMS
AT 20°C WATTS
AT 20°C
HOLD HOLD TRIP MIN MAX MAX MAX NOMINAL
1.85 1.85 3.70 0.08 0.12 12.6 0.19 2.1
Agency Recognitions: UL, CSA and TUV
Approved by UL as a current limiting impedance, per the 1996 NEC, Tables 11 (c) and 11 (b).
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.
