RKEF500-1 Datasheet, PDF (1/2 Pages) Littelfuse – Overcurrent Protection Device

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: RKEF500-1
DOCUMENT: SCD27757
REV LETTER: C
REV DATE: JULY 26,2016
PAGE NO.: 1 OF 2
Specification Status: Released
Electrical Rating
Voltage: 60V MAX
Current: 40A MAX
Insulating Material:
Cured, Flame Retardant Epoxy
Polymer
Lead Material:
20 AWG Tin Plated Copper
Marking:
Manufacturer’s Mark
K500 ^{and Part Identification}
Lot Identification
TABLE I. DIMENSIONS:
A
B
MIN MAX MIN MAX
C
D
MIN MAX MIN MAX
mm:
-- 24.1 --
29.0
9.4
10.9 25.4 --
in*:
-- (0.95) -- (1.14) (0.37) (0.43) (1.0) --
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
I HOLD
RATED
CURRENT
CURRENT
RATINGS
INITIAL
RESISTANCE
VALUES
TIME TO TRIP
AMPERES
AT 20C
HOLD
5.0
AMPERES
AT 20C
HOLD TRIP
5.0 10.0
OHMS
AT 20C
MIN MAX
0.012 0.030
SECONDS AT
20C, 25A
MAX
28
E
MIN MAX
--
3.0
-- (0.12)
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
OHMS
AT 20C
MAX
0.05
TRIPPED-
STATE
POWER
DISSIPATION
WATTS
AT 20C
NOMINAL
5
Agency Recognitions:
UL, TUV, CSA
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
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