RXEF050 Datasheet, PDF (1/2 Pages) Littelfuse – PolySwitch PTC Devices

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: RXEF050
DOCUMENT: SCD25219
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
Marking:
Manufacturer’s Mark
X50 ^{and Part Identification}
Lot Identification
TABLE I. DIMENSIONS:
A
B
MIN MAX MIN MAX
C
MIN MAX
D
MIN MAX
mm: --
7.9
--
13.7
4.3
5.8
7.6
--
in*: -- (0.31) -- (0.54) (0.17) (0.23) (0.30)
--
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS :
I HOLD
CURRENT
INITIAL
TIME TO TRIP
RATED
CURRENT
RATINGS
RESISTANCE
VALUES
AMPERES
AT 20C
HOLD
0.50
AMPERES
AT 20C
HOLD TRIP
0.50
1.00
OHMS
AT 20C
MIN
MAX
0.50
0.77
SECONDS AT
20C, 2.5A
MAX
4.0
E
MIN MAX
--
3.0
-- (0.12)
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
OHMS
AT 20C
MAX
1.17
TRIPPED- STATE
POWER
DISSIPATION
WATTS
AT 20C
NOMINAL
0.77
WATTS
AT 20C
MAX
1.29
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: Br≤900ppm, Cl≤900ppm,Br+Cl≤1500ppm.
© 2016 Littelfuse,Inc.
Specifications are subject to change without notice.
Revised July 26, 2016
littelfuse.com