PolySwitch® PTC Devices

PolySwitch® PTC Devices
PolySwitch®
PTC Devices
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
PRODUCT: AHEF750
Overcurrent Protection Device
Raychem Circuit Protection Products
DOCUMENT: SCD27259
PCN: RF1040
REV LETTER: B
REV DATE: JANUARY 22, 2009
PAGE NO.: 1 OF 2
Specification Status: Released
Electrical Rating
Voltage:
Current:
32 VDC MAX
100 A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
Lead Material:
20 AWG Tin Plated Copper
Part Marking:
32
EF7.5
Manufacturer’s Mark
and Voltage
Part Identification
Lot Identification
(can be on back)
TABLE I. INSTALLATION ENVELOPE DIMENSIONS:
mm:
in*:
A
B
MIN
MAX
MIN
MAX
-21.1
-24.9
-(0.83)
-(0.98)
*Rounded off approximation
C
MIN
9.4
(0.37)
D
MAX
10.9
(0.43)
MIN
7.6
(0.30)
E
MAX
---
MIN
---
MAX
3.8
(0.15)
TABLE II. PERFORMANCE RATINGS:
I HOLD
RATED
CURRENT
CURRENT
RATINGS
INITIAL
RESISTANCE
VALUES
TIME TO TRIP
RaMAX
AMPS
AT 25°C
HOLD
7.5
AMPS
AT 25°C
HOLD TRIP
7.5
15.0
OHMS
AT 25°C
MIN
MAX
0.0074 0.0147
SECONDS AT
25°C, 37.5 A
MAX
13.0
OHMS
AT 25°C
MAX
0.023
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
TRIPPEDSTATE
POWER
DISSIPATION
WATTS
AT 25°C
TYP
6.5
ELV Compliant
© 2008, 2009 Tyco Electronics Corporation. All rights reserved.
Tyco Electronics Proprietary Information
Pb-Free
PolySwitch®
PTC Devices
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
www.circuitprotection.com
Overcurrent Protection Device
Raychem Circuit Protection Products
PRODUCT: AHEF750
DOCUMENT: SCD27259
PCN: RF1040
REV LETTER: B
REV DATE: JANUARY 22, 2009
PAGE NO.: 2 OF 2
TABLE III. AUTOMOTIVE SPECIFIC STRESS TESTS AND TEST CONDITIONS:
ELECTRICAL STRESS TESTS
TEST CONDITIONS (see note 2)
ESD Voltage Withstand
(see note 1)
Short Circuit Fault Current Durability
25kV
Fault Current Durability
350 cycles, 32V/100A
End-of-life Mode Verification
1750 cycles, 32V/100A
Jump Start Endurance
(see note 1)
Load Dump Endurance
(see note 1)
3 cycles, 48V, 2 minute duration
25 cycles, 32V, 200A
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
Tyco Electronics Proprietary Information
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