AHRF450S-1 Datasheet, PDF (1/2 Pages) Littelfuse – Overcurrent Protection Device

PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: AHRF450S-1
DOCUMENT: SCD26368
REV LETTER: D
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
Electrical Rating
Voltage: 16VDC MAX
Specification Status: Released
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
Lead Material:
20 AWG Tin Plated Copper
(0.8 mm [0.032] nom. diameter)
Part Marking:
Manufacturer’s Mark
H4.5 ^{and Part Identification}
Lot Identification
TABLE I. INSTALLATION ENVELOPE DIMENSIONS:
A
MIN MAX
B
MIN MAX
C
MIN MAX
D
MIN MAX
mm: --
10.4
--
14.3 4.3
5.8 25.4
--
in*:
-- (0.41) -- (0.56) (0.17) (0.23) (1.0)
--
*Rounded off approximation
E
MIN MAX
--
3.0
-- (0.12)
F
TYP
1.2
(0.05)
TABLE II. PERFORMANCE RATINGS:
CURRENT TIME TO RESISTANCE
RATINGS
TRIP
Ra MAX
AMPS SECONDS AT OHMS
AT 25°C 25°C, 22.5 A AT 25°C
HOLD TRIP
MAX
MIN MAX
4.5 8.7
4.0
0.017 0.036
OHMS
AT 25°C
0.054
TRIPPED-
STATE
POWER
DISSIPATION
WATTS AT
25°C
TYP
3.6
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