RKEF090 Datasheet, PDF (1/2 Pages) Littelfuse – Overcurrent Protection Device

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT : RKEF090
DOCUMENT : SCD26919
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:
24 AWG Tin Plated Copper
Marking:
Manufacturer’s Mark
K90 ^{and Part Identification}
Lot Identification
TABLE I. DIMENSIONS:
A
B
MIN MAX MIN MAX
mm:
--
7.87 ---
13.97
in*:
-- _{(0.31) ---}
(0.55)
*Rounded off approximation
C
MIN
MAX
4.32
5.84
(0.17) (0.23)
D
MIN MAX
7.6
---
(0.3) ---
MIN
---
---
E
MAX
3.56
(0.14)
TABLE II. PERFORMANCE RATINGS:
I HOLD
CURRENT
INITIAL
RATED
RATINGS
RESISTANCE
CURRENT
VALUES
AMPERES
AT 20C
HOLD
0.90
AMPERES
AT 20C
HOLD TRIP
0.90
1.80
OHMS
AT 20C
MIN
MAX
0.19
0.32
TIME TO TRIP
SECONDS AT
20C, 8 A
MAX
2.0
ONE HOUR
POST-TRIP
RESISTANCE
STANDARD TRIP
OHMS
AT 20C
MAX
0.52
TRIPPED-
STATE POWER
DISSIPATION
WATTS
AT 20C
NOMINAL
1.5
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