PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: ASMD050F
DOCUMENT: SCD26567
REV LETTER: F
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
Maximum Electrical Ratings
Operating Voltage / Interrupt Current
60V
DC / 10A
12V
DC / 60A
5V
DC / 125A
Marking:
Notes:
1. All metal surfaces are tin plated.
2. Devices cannot be wave soldered.
3. Drawing not to scale.
HDAE
B
C
G
F
TABLE I. DIMENSIONS:
A B C D E F G H
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN
mm: 6.73 7.98 -- 3.18 4.8 5.44 0.56 0.71 0.56 0.71 2.16 2.41 0.66 1.37 0.43
in*: (0.265) (0.314) -- (0.125) (0.19) (0.214) (0.022) (0.028) (0.022) (0.028) (0.085) (0.095) (0.026) (0.054) (0.017)
TABLE II. PERFORMANCE RATINGS:
CURRENT RATINGS** TIME TO
TRIP**
RESISTANCE
VALUES
TRIPPED-STATE
POWER
DISSIPATION**
AMPS
AT 0°C
AMPS
AT 25°C
AMPS
AT 60°C
SECONDS AT
25°C, 1.95A
OHMS
AT 25°C
WATTS AT
25°C
HOLD TRIP HOLD TRIP HOLD TRIP MAX MIN MAX* MAX
0.46 1.15 0.37 0.94 0.26 0.65 20 0.29 1.40 1.7
* Maximum resistance is measured both 1 hour post reflow and 1 hour post trip.
** Values specified were determined using PCB’s with 0.070”X1.5 ounce copper traces.
Reference Documents: PS300, PS400
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 Compliant 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: ASMD050F
DOCUMENT: SCD26567
REV LETTER: F
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
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.
