Littelfuse AHEF1000 Overcurrent protection device Datasheet

PolySwitch®
PTC Devices
PRODUCT: AHEF1000
DOCUMENT: SCD27216
REV LETTER: D
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
Overcurrent Protection Device
Specification Status: Released
Electrical Rating
Voltage:
Current:
32 VDC MAX
100 A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
Lead Material:
18 AWG Tin Plated Copper
Part Marking:
Manufacturer’s Mark
E10
and Part Identification
Lot Identification
TABLE I. INSTALLATION ENVELOPE DIMENSIONS:
A
B
MIN
MAX
MIN
MAX
mm:
-23.5
-27.9
in*:
-(0.93)
-(1.10)
*Rounded off approximation
C
MIN
9.4
(0.37)
D
MAX
10.9
(0.43)
MIN
7.6
(0.30)
E
MAX
---
MIN
---
MAX
4.0
(0.16)
TABLE II. PERFORMANCE RATINGS:
I HOLD
RATED
CURRENT
AMPS
AT 25C
HOLD
10.0
Reference Documents:
Precedence:
Effectivity:
CAUTION:
CURRENT
RATINGS
AMPS
AT 25C
HOLD
TRIP
10.0
20.0
INITIAL
RESISTANCE
VALUES
OHMS
AT 25C
MIN
MAX
0.0060
0.0105
TIME TO TRIP
Ra MAX
SECONDS AT
25C, 50 A
MAX
15
OHMS
AT 25C
MAX
0.016
TRIPPEDSTATE POWER
DISSIPATION
WATTS
AT 25C
TYP
7.0
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
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: AHEF1000
DOCUMENT: SCD27216
REV LETTER: D
REV DATE: JULY 26, 2016
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
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.
© 2016 Littelfuse,Inc.
Specifications are subject to change without notice.
Revised July 26, 2016
littelfuse.com
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