FUSE, PTC RESET, 33V, 1.8A, 3425

SMD185F-2

Manufacturer Part NumberSMD185F-2
DescriptionFUSE, PTC RESET, 33V, 1.8A, 3425
ManufacturerTyco Electronics
SeriesSMD2
TypePolyswitch Resettable Fuses
SMD185F-2 datasheets
 


Specifications of SMD185F-2

Holding Current1.8ATripping Current3.6A
Initial Resistance Max0.165ohmOperating Voltage33VDC
Ptc Fuse Case3425MslMSL 2A - 4 Weeks
Initial Resistance Min0.065ohmR Min/max0.065 ~ 0.165 Ohm
Voltage - Max33VTime To Trip5s
Current - Hold (ih) (max)1.85ACurrent - Trip (it)3.6A
Current - Max40APackage / CaseNon-Standard SMD
Hold Current1.8 AmpsTrip Current3.6 Amps
Current Rating (max)40 AmpsResistance0.165 Ohms
Maximum Voltage33 VoltsTermination StyleSMD/SMT
Mounting StyleSMD/SMTCurrent Rating40 Amps
Dimensions9.4 mm L x 6.71 mm W x 3 mm HLead Free Status / RoHS StatusLead free / RoHS Compliant
Other namesRF1238-000
SMD185F-2
SMD185F-2TR
  
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Tyco / Electronics
Raychem Circuit Protection
308 Constitution Drive
Menlo Park, CA 94025-1164
Phone: 800-227-4856
Fax: 800-227-4866
Specification Status: Released
Maximum Electrical Ratings
Voltage: 33V
MAX
DC
: 40A MAX
Current
Marking:
Notes:
1. All metal surfaces are tin plated.
2. Devices cannot be wave soldered.
3. Drawing not to scale.
TABLE I. DIMENSIONS:
A
B
MIN
MAX
MIN
MAX
mm:
8.0
9.4
--
3.0
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
AMPS
AT 0°C
AT 20°C
HOLD
TRIP
HOLD
TRIP
2.20
4.40
1.85
3.60
* Maximum resistance is measured 24 hours after reflow.
** Values were determined using PCB’s with 70 mil X 2 ounce copper traces.
Agency Recognition:
UL, CSA, TÜV
Reference Documents:
PS300, E.N. SMD 1.0x
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
© 2005 Tyco Electronics Corporation. All rights reserved.
PolySwitch®
PTC Devices
Overcurrent Protection Device
H
D
A
C
D
MIN
MAX
MIN
MAX
5.99
6.71
0.56
0.71
TIME TO
RESISTANCE
TRIP**
VALUES
AMPS
SECONDS AT
AT 60°C
20°C, 8.0A
AT 20°C
HOLD
TRIP
MAX
MIN
1.31
2.62
5.0
0.065
ELV Compliant
Pb-Free
PRODUCT: SMD185F
DOCUMENT: SCD 25659
PCN: 748040
REV LETTER: C
REV DATE: MARCH 28, 2005
PAGE NO.: 1 OF 1
B
E
E
F
MIN
MAX
MIN
MAX
MIN
0.56
0.71
3.68
3.94
0.66
TRIPPED-STATE
POWER
DISSIPATION**
OHMS
WATTS AT
20°C
MAX*
MAX
0.165
1.5
C
G
F
G
H
MAX
MIN
1.37
0.43