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RXEF025 Datasheet, PDF (1/2 Pages) Littelfuse – PolySwitch PTC Devices | |||
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PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: RXEF025
DOCUMENT: SCD25216
REV LETTER: J
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
Specification Status: Released
Electrical Rating
Voltage: 72 V max (AC or DC)
Current: 40 A max (AC or DC)
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
24 AWG Tin Plated Copper Clad Steel
Marking:
Manufacturerâs Mark
X25 and Part Identification
Lot Identification
TABLE I. DIMENSIONS:
A
B
C
MIN MAX MIN MAX MIN MAX
mm: --
7.4
-- 12.7 4.3
5.8
in*:
-- (0.29) -- (0.50) (0.17) (0.23)
*Rounded off approximation
D
MIN MAX
7.6
--
(0.30) --
E
MIN MAX
--
3.0
--
(0.12)
TABLE II. PERFORMANCE RATINGS:
I HOLD
RATED
CURRENT
RATINGS
INITIAL
RESISTANCE
CURRENT
VALUES
AMPERES
AT 20ï°C
HOLD
0.25
AMPERES
AT 20ï°C
HOLD TRIP
0.25 0.50
OHMS
AT 20ï°C
MIN MAX
1.25 1.95
TIME TO TRIP
SECONDS AT
20ï°C, 1.25A
MAX
2.5
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
OHMS
AT 20ï°C
MAX
3.00
TRIPPED- STATE
POWER
DISSIPATION
WATTS
AT 20ï°C
NOMINAL
0.45
WATTS
AT 20ï°C
MAX
0.62
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL, CSA, TUV, CQC
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
Materials Information
ROHS Compliant
ELV Compliant
Pb-Free
Halogen Free*
HF
* Halogen Free refers to: Brâ¤900ppm, Clâ¤900ppm, Br+Clâ¤1500ppm.
© 2016 Littelfuse,Inc.
Specifications are subject to change without notice.
Revised July 26, 2016
littelfuse.com
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