PolySwitch®
PTC Devices
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PRODUCT:
AHRF450
Overcurrent Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25183
PCN: A05383
REV LETTER: C
REV DATE: MAY 8, 2007
PAGE NO.: 1 OF 2
Specification Status:
Released
Electrical Rating
Voltage:
16V
DC
MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
Lead Material:
20 AWG Tin Plated Copper
(
0.8 mm [0.032] nom. diameter)
Part Marking:
Raychem Logo
and Voltage
16
HF4.5
Part Identification
Lot Identification
(can be on back)
TABLE I. INSTALLATION ENVELOPE DIMENSIONS:
A
B
MIN
MAX
MIN
MAX
--
10.4
--
15.6
--
(0.41)
--
(0.61)
*Rounded off approximation
C
MIN
4.3
(0.17)
MAX
5.8
(0.23)
MIN
7.6
(0.30)
D
MAX
--
--
MIN
--
--
E
MAX
3.0
(0.12)
F
TYP
1.2
(0.05)
G
MIN
--
--
MAX
3.94
(0.16)
mm:
in*:
TABLE II. PERFORMANCE RATINGS:
CURRENT
RATINGS
TIME TO
TRIP
RESISTANCE
R
a MAX
TRIPPED-
STATE
POWER
DISSIPATION
WATTS AT
25°C
TYP
3.6
AMPS
SECONDS AT
AT 25°C
25°C, 22.5 A
HOLD TRIP
MAX
4.5
8.7
4.0
Reference Documents:
Precedence:
Effectivity:
CAUTION:
OHMS
AT 25°C
MIN
MAX
0.017
.036
OHMS
AT 25°C
0.054
PS400, PS300 (reference for R
1 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
© 2005,2007 Tyco Electronics Corporation. All rights reserved
PolySwitch®
PTC Devices
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PRODUCT:
AHRF450
Overcurrent Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD 25183
PCN: A05383
REV LETTER: C
REV DATE: MAY 8, 2007
PAGE NO.: 2 OF 2
TABLE III. AUTOMOTIVE SPECIFIC STRESS TESTS AND TEST CONDITIONS:
ELECTRICAL STRESS TESTS
ESD Voltage Withstand
(see note 1)
Short Circuit Fault Current Durability
TEST CONDITIONS (see note 2)
25kV
25 cycles, 16V, 200A
Fault Current Durability
End-of-life Mode Verification
Jump Start Endurance
(see note 1)
Load Dump Endurance
(see note 1)
350 cycles, 16V/100A
1750 cycles, 16V/100A
3 cycles, 26V, 1 minute duration
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