Tyco / Electronics
Raychem Circuit Protection
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
Fax: 800-227-4866
PolySwitch®
PTC Devices
Overcurrent Protection Device
PRODUCT: nanoSMDM050
DOCUMENT: SCD 24570
PCN: 481498
REV LETTER: E
REV DATE: AUGUST 10, 2001
PAGE NO.: 1 OF 1
Specification Status: Released
Maximum Electrical Rating
Voltage: 6.0VDC MAX
Current: 40A
Notes:
1. All terminations are Gold plated.
Partial coverage of plating with solder may occur
without effect on solderability or electrical performance
2. Devices cannot be wave soldered.
3. Drawing not to scale
Marking: Manufacturer's Mark
050 Part Identification
TABLE I. DIMENSIONS:
A B C D
MIN MAX MIN MAX MIN MAX MIN MAX
mm:
3.0 3.4 0.8 1.2 1.4 1.8 0.75 1.05
in:* (0.11
8)
(0.134)
(0.032)
(0.047)
(0.055)
(0.071)
(0.030)
(0.041)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
CURRENT RATINGS** TIME TO
TRIP ** RESISTANCE
VALUES TRIPPED-
STATE POWER
DISSIPATION**
AMPERES
AT 0°C AMPERES
AT 25°C AMPERES
AT 60°C SECONDS
AT 25°C, 8.0A OHMS
AT 25°C WATTS AT
25°C, 6.0V
HOLD TRIP
HOLD
TRIP
HOLD
TRIP
MAX MIN MAX* MAX
0.59
1.18
0.50 1.00 0.35
0.70
0.10 0.15 0.70 0.6
*Maximum resistance is measured 1 hour after reflow.
** Values specified were determined using PCB’s with 0.030”X1.5 ounce copper traces.
Reference Documents: PS300
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.
