PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: AHRF1000
DOCUMENT: SCD25187
REV LETTER: D
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
© 2016 Littelfuse,Inc Littelfuse.com
Specifications are subject to change without notice.
Revised July 26, 2016
Specification Status: Released
Electrical Rating
Voltage: 16VDC MAX
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
Lot Identification
and Part Identification
H10
TABLE I. INSTALLATION ENVELOPE DIMENSIONS:
A
B
C
D
E
F
G
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
TYP
MIN
MAX
--
17.5
--
26.5
9.4
10.9
7.6
--
--
3.0
1.2
--
7.47
--
(0.69)
--
(1.04)
(0.37)
(0.43)
(0.30)
--
--
(0.12)
(0.05)
--
(0.29)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
CURRENT
RATINGS
TIME TO
TRIP
RESISTANCE
R
a MAX
TRIPPED-STATE
POWER
DISSIPATION
AMPS
AT 25°C
SECONDS AT
25°C, 50 A
OHMS
AT 25°C
OHMS
AT 25°C
WATTS AT
25°C
HOLD
TRIP
MAX
MIN
MAX
TYP
10.0
20.5
10.5
.0051
.0105
0.015
5.3
Reference Documents: PS400, PS300 (reference for R1 MAX)
Precedence: This specification takes precedence over documents referenced herein.
Effectivity: Reference documents shall be the issue in effect on the date of invitation for bid.
CAUTION: Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
Materials Information
ROHS Complia nt ELV Compliant Pb-Free Halogen Free*
* Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm.
HF
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: AHRF1000
DOCUMENT: SCD25187
REV LETTER: D
REV DATE: JULY 26, 2016
PAGE NO.: 2 OF 2
© 2016 Littelfuse,Inc Littelfuse.com
Specifications are subject to change without notice.
Revised July 26, 2016
TABLE III. AUTOMOTIVE SPECIFIC STRESS TESTS AND TEST CONDITIONS:
ELECTRICAL STRESS TESTS
TEST CONDITIONS (see note 2)
ESD Voltage Withstand
(see note 1)
25kV
Short Circuit Fault Current Durability
25 cycles, 16V, 200A
Fault Current Durability
350 cycles, 16V/100A
End-of-life Mode Verification
1750 cycles, 16V/100A
Jump Start Endurance
(see note 1)
3 cycles, 26V, 1 minute duration
Load Dump Endurance
(see note 1)
10 cycles, 86.5V
Note 1: The PolySwitch devices are tested in series with a load resistance and the voltages specified in the test conditions are
shared between the PolySwitch device and the load resistance as specified in PS400.
Note 2: Please refer to Appendix A of PS400 for the detailed test procedures
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their
own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, military, aerospace, medical, lifesaving,
life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired
operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation.
Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall
not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse
documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse.