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

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT : RKEF500
DOCUMENT : SCD27342
REV LETTER: E
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
mm: -- 24.1 --
29.0
in*: -- (0.95) -- (1.14)
*Rounded off approximation
C
MIN MAX
9.4
10.9
(0.37) (0.43)
D
MIN MAX
7.6
--
(0.3) --
TABLE II. PERFORMANCE RATINGS:
I HOLD
RATED
CURRENT
RATINGS
INITIAL
RESISTANCE
CURRENT
VALUES
TIME TO TRIP
E
MIN MAX
--
3.0
-- (0.12)
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD TRIP
TRIPPED-
STATE POWER
DISSIPATION
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
OHMS
AT 20C
MAX
0.05
WATTS
AT 20C
NOMINAL
5
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL, TUV, CSA
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