RXEF050S Datasheet, PDF (1/2 Pages) Littelfuse – PolySwitch PTC Devices

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: RXEF050S
DOCUMENT: SCD26367
REV LETTER: G
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
mm:
--
7.9
--
13.7
in*:
-- (0.31) -- (0.54)
*Rounded off approximation
C
MIN MAX
4.3
5.8
(0.17) (0.23)
D
MIN MAX
7.6
--
(0.30) --
E
MIN MAX
--
3.0
-- (0.12)
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
AMPERES
OHMS
SECONDS AT
OHMS
WATTS WATTS
AT 20C
HOLD
AT 20C
HOLD TRIP
AT 20C
MIN
MAX
20C, 2.5A
MAX
AT 20C
MAX
AT 20C AT 20C
NOMINAL MAX
0.50
0.50
1.00
0.50
0.77
4.0
1.17
0.77
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