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PFST Datasheet, PDF (1/2 Pages) Schurter Inc. – Axial leaded PTC-Fuses
FUSES / SICHERUNGEN
Resettable fuses
Axial leaded
PTC-Fuses
Type PFST
Fully compatible with cur-
rent industry standards
Weldable nickel terminals
Very low internal resistance
Available in lead-free
version
Agency recognition:
UL, CSA, TÜV
50
75 100
Typical Time to Trip at 23 ˚C
PFST
10
1
0.1
0.01
0.001
1
10
100
Fault current (A)
Standard Style / Standard-Ausführung
A
B
F
D
E
C
Terminal material: Quarter hard nickel
Applications
• Rechargable battery pack
protection
• Cellular phones
“S” Style
B
D
A
0.5 X 4.0
F
E
C
Typical Part Marking
Layout may vary ern
Manufacturer’s
Trademark /
Date Code (Last
Digit of Year and
Julian Date)
ST120
6180T
Part identification
Lot No (T=Taiwan)
Environmental Characteristics
Operating/Storage Temperature / Einsatz/Lagertemp.
Maximum Device Surface Temperature in Tripped State /
–40 °C to +85 °C
125°C
Passive Aging / passive Alterung
Humidity Aging / Feuchtigkeitsalterung
Thermal Shock *) Thermischer Schock
Vibration
*) MIL-STD-202F, Method 107G
+85 °C, 1000 hours / Std.
±5% typ. resist. change
+85 °C, 85% R.H. 1000 hours / Std. ±5% typ. resist. change
+85 °C/–40 °C 10 times / Zyklen ±10% typ. resist. change
MIL-STD-883C, Method 2007.1, No change
Condition A
Test Procedures And Requirements For Model PFST Series
Test / Test
Test Conditions / Bedingungen
Accept/Reject Criteria
Visual/Mech. / visuell/mech.
Resistance / Widerstand
Time to Trip / Trip-Zeit
Hold Current / Haltestrom
Trip Cycle Life / Trip-Zyklen
Trip Endurance / Zeit im Tripzustand
Verify dimensions and materials / Kontrolle Abmess./Mat. Per PF physical description
In still air @ 23 °C / bei ruhiger Luft
Rmin ≤ R ≤ Rmax
5 times Ihold, Vmax, 23 °C / unter spez. Strom
T ≤ max. time to trip (sec.)
30 min. at Ihold / bei Haltestrom
No trip
Vmax, Imax, 100 cycles / Zyklen
No arcing or burning
Vmax, 48 hours / Stunden
No arcing or burning
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