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AHRF550 Datasheet, PDF (1/2 Pages) Littelfuse – Overcurrent Protection Device
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: AHRF550
DOCUMENT: SCD26636
REV LETTER: F
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
Specification Status: Released
Electrical Rating
Voltage: 16VDC MAX
Current: 100A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL94 V-0 Requirements
Lead Material:
20 AWG Tin Plated Copper
(0.8 mm [0.032] nom. diameter)
Marking:
Manufacturer’s Mark
H5.5 and Part Identification
Lot Identification
TABLE I. DIMENSIONS:
A
MIN MAX
B
MIN MAX
C
MIN MAX
mm: --
11.2
--
18.9
4.3
5.8
in*:
-- (0.44) -- (0.74) (0.17) (0.23)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
CURRENT
RATINGS
TIME TO
TRIP
INITIAL
RESISTANCE
VALUES
Ra MAX
AMPS
AT 25°C
HOLD TRIP
5.5 10.0
SECONDS AT
25°C, 27.5A
MAX
6.0
OHMS
AT 25°C
MIN MAX
0.013 0.025
OHMS
AT 25°C
MAX
0.037
D
MIN MAX
7.6
--
(0.3) --
E
MIN MAX
--
3.0
-- (0.12)
TRIPPED-
STATE
POWER
DISSIPATION
WATTS AT
25°C 16V
TYP
3.5
F
TYP
1.2
(0.05)
Reference Documents:
Precedence:
Effectivity:
CAUTION:
PS400, PS300 (reference for R1 MAX)
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