RHEF050 Datasheet, PDF (1/2 Pages) Littelfuse – Overcurrent Protection Device

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: RHEF050
DOCUMENT: SCD25583
REV LETTER: E
REV DATE: July 26,2016
PAGE NO.: 1 OF 2
Specification Status: Released
Electrical Rating
Voltage: 30V MAX
Current: 40A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
24 AWG Tin Plated Copper Clad Steel
Part Marking:
Manufacturer’s Mark
H0.5 ^{and Part Identification}
Lot Identification
TABLE I. DIMENSIONS:
A
B
C
D
E
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
mm: --
7.4 -- 12.7 4.3 5.8 7.6
--
--
3.0
in*: -- (0.29) -- (0.50) (0.17) (0.23) (0.30) --
-- (0.12)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
I HOLD
CURRENT
TIME TO
INITIAL
ONE-HOUR
NOMINAL
RATED
RATINGS
TRIP
RESISTANCE POST-TRIP
TRIPPED
CURRENT
VALUES
RESISTANCE
POWER
STANDARD DISSIPATION
TRIP
AMPS
AMPS AT SECONDS AT
OHMS
OHMS
WATTS AT
AT 25°C
25°C
HOLD HOLD TRIP
25°C, 2.5A
MAX
AT 25°C
MIN MAX
AT 25°C
MAX
25°C 30V
0.50
0.50 0.92
2.5
0.48 0.78
1.1
0.9
Agency Recognitions:
Reference Documents:
UL, CSA, TUV
PS300
Precedence:
This specification takes precedence over documents referenced herein.
Effectivity:
CAUTION:
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