English
Language : 

SMD185F Datasheet, PDF (1/1 Pages) Tyco Electronics – PolySwitch® PTC Devices
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: SMD185F
DOCUMENT: SCD 25659
PCN: 748040
REV LETTER: C
REV DATE: MARCH 28, 2005
PAGE NO.: 1 OF 1
Specification Status: Released
Maximum Electrical Ratings
Voltage: 33VDC MAX
Current: 40A MAX
H
Marking:
B
D
E
A
C
G
F
Notes:
1. All metal surfaces are tin plated.
2. Devices cannot be wave soldered.
3. Drawing not to scale.
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: 8.0 9.4
--
3.0 5.99 6.71 0.56 0.71 0.56 0.71 3.68 3.94 0.66 1.37 0.43
in*: (0.315) (0.370) -- (0.118) (0.236) (0.264) (0.022) (0.028) (0.022) (0.028) (0.145) (0.155) (0.026) (0.054) (0.017)
TABLE II. PERFORMANCE RATINGS:
CURRENT RATINGS**
AMPS
AT 0°C
HOLD TRIP
2.20 4.40
AMPS
AT 20°C
HOLD TRIP
1.85 3.60
AMPS
AT 60°C
HOLD TRIP
1.31 2.62
TIME TO
TRIP**
SECONDS AT
20°C, 8.0A
MAX
5.0
RESISTANCE
VALUES
OHMS
AT 20°C
MIN MAX*
0.065 0.165
TRIPPED-STATE
POWER
DISSIPATION**
WATTS AT
20°C
MAX
1.5
* Maximum resistance is measured 24 hours after reflow.
** Values were determined using PCB’s with 70 mil X 2 ounce copper traces.
Agency Recognition:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
UL, CSA, TÜV
PS300, E.N. SMD 1.0x
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 Tyco Electronics Corporation. All rights reserved.