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PFSM Polymeric PTC Resettable Fuse – Surface Mount
Schurter, Inc. Phone 707-778-6311 Fax 707- 778-6401 E-mail info@schurterinc.com Website http://www.schurterinc.com
109
NEW
Fully compatible with current industry
standards
Packaged per EIA 481-2 standard
Applications: Almost anywhere there is a low
voltage power supply and a load to be
protected, including: computers & peripherals,
general electronics, automotive applications
Approvals:
UL
recognition
File #E172175
CSA
acceptance
File #CA702083
TV
certification
File #R9872200
2.3
(0.09)
2.3
(0.09)
10.7
(0.42)
4.6
(0.18)
4.6
(0.18)
Recommended Pad Layout
PFSM150, 200, 250
A
D
H
E
Side View
B
F
C
End View
G
DIMENSIONS:
MM
(INCHES)
2.3
(0.09)
2.3
(0.09)
9.7
(0.38)
3.1
(0.12)
3.1
(0.12)
Recommended Pad Layout
PFSM030, 050, 075, 100, 125
Technical Data
Operating/Storage Temperature
-40°C to +85°C
Maximum Device Surface Temperature
in Tripped State
125°C
Passive Aging
+85°C, 1000 hours
±5% typical resistance change
Humidity Aging
+85°C, 85% R.H. 1000 hours
±5% typical resistance change
Thermal Shock
+125°C/-40°C 10 times
±10% typical resistance change
Mechanical Shock
MIL-STD-202, Method 213,
No resistance change
Condition 1 (100g, 6 seconds)
Solvent Resistance
MIL-STD-202, Method 215
No change
Vibration
MIL-STD-883C, Method 2007.1,
No change
Condition A
Test Procedures And Requirements
Test
Test Conditions
Accept/Reject Criteria
Visual/Mech.
Verify dimensions and materials
Per PF physical description
Resistance
In still air @ 23°C
Rmin
≤ R ≤ Rmax
Time to Trip
At specified current, Vmax, 23°C
T
≤ max. time to trip (seconds)
Hold Current
30 min. at Ihold
No trip
Trip Cycle Life
Vmax, Imax, 100 cycles
No arcing or burning
Trip Endurance
Vmax, 48 hours
No arcing or burning
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
PART
IDENTIFICATION
SM030
Typical Time to Trip at 23C
100
1
10
0.1
0.01
0.001
0.1
1
10
100
Fault Current (Amps)
T
ime
to
T
rip
(Seconds)
PFSM200
PFSM030 PFSM050PFSM075PFSM100PFSM125PFSM150
PFSM250