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RUEF185-1 Datasheet, PDF (1/2 Pages) Littelfuse – PolySwitch PTC Devices
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT : RUEF185-1
DOCUMENT : SCD26531
REV LETTER: D
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
Specification Status: Released
Maximum Electrical Rating at 20°C
30 VDC /100 A DC
30 VAC /70 ARMS
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
24 AWG Tin Plated Copper Clad Steel
Marking:
Manufacturer’s Mark
U185 and Part Identification
Lot Identification
TABLE I. DIMENSIONS:
mm:
in*:
A
MIN MAX
-- 10.2
-- (0.40)
B
MIN MAX
--
15.7
-- (0.62)
C
MIN MAX
4.3
5.8
(0.17) (0.23)
D
MIN MAX
25.4
--
(1.00) --
E
MIN MAX
--
3.0
-- (0.12)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
I HOLD
CURRENT
RATINGS
TIME TO
TRIP
AMPS
20°C
HOLD
AMPS AT
20°C
HOLD TRIP
SECONDS AT
20°C, 9.25A
MAX
RESISTANCE
OHMS
AT 20°C
MIN
MAX
ONE-HOUR
POST-TRIP
RESISTANCE
STANDARD
TRIP
OHMS
AT 20°C
MAX
TRIPPED POWER
DISSIPATION
WATTS AT
20°C
NOMINAL
WATTS AT
20°C
MAX
1.85
1.85 3.70
8.7
0.03
0.06
0.09
1.00
1.41
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION003A
UL, CSA, TUV
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*
* Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm.
HF
© 2016 Littelfuse,Inc.
Specifications are subject to change without notice.
Revised July 26, 2016
littelfuse.com