FUSES / SICHERUNGEN PFLT
Resettable fuses
www.schurter.com
34
Axial leaded
PTC-Fuses
Type PFLT
Fully compatible with cur-
rent industry standards
Weldable nickel terminals
Very low internal resistance
Agency recognition:
UL, CSA, TÜV (pending)
Typical Time to Trip at 23 ˚C
0.001
110100
1
10
p
PFLT.100.S
PFLT.180
PFLT.190
PFLT.260
PFLT.300
PFLT.340
Fault current (A)
Test Procedures And Requirements For Model PFLT Series
Test / Test Test Conditions / Bedingungen Accept/Reject Criteria
Visual/Mech. / visuell/mech. Verify dimensions and materials / Kontrolle Abmess./Mat. Per PF physical description
Resistance / Widerstand In still air @ 23 °C / bei ruhiger Luft Rmin ≤R ≤Rmax
Time to Trip / Trip-Zeit 5 times Ihold, Vmax, 23 °C / 5xHaltestrom, Vmax, 23 °C T ≤ max. time to trip (sec.)
Hold Current / Haltestrom 30 min. at Ihold
/ bei Haltestrom No trip
Trip Cycle Life / Trip-Zyklen Vmax, Imax, 100 cycles / Zyklen No arcing or burning
Trip Endurance / Zeit im Tripzustand Vmax, 48 hours / Stunden No arcing or burning
Environmental Characteristics
Operating/Storage Temperature / Einsatz/Lagertemp. –40 °C to +85 °C
Maximum Device Surface Temperature in Tripped State / 125 °C
Passive Aging / passive Alterung +85 °C, 1000 hours / Std. ±5% typ. resist. change
Humidity Aging / Feuchtigkeitsalterung +85 °C, 85% R.H. 1000 hours / Std.±5% typ. resist. change
Thermal Shock /*) Thermischer Schock +85 °C/–40 °C 10 times / Zyklen ±10% typ. resist. change
Vibration MIL-STD-883C, Method 2007.1, No change
Condition A
*) MIL-STD-202F, Method 107G
Applications
Any application that requires
extra protection at elevated am-
bient temperatures, which the
100 °C trip temperature pr ovides,
including rechargeable battery
pack protection,cellular phones,
laptop computers
F
B
D D
A
C
Typical Part Marking
Layout may vary
Manufacturer’s
Trademark Part identification
Date Code (Last
Digit of Year and
Julian Date)
Lot No (T=Taiwan)
LT180
7144T
FB
SLIT
0.5 x 4.0
NOM.
D D
A
C
Standard Style / Standard-Ausführung “S” Style / «S»-Ausführung
Time to trip (s)
50 75 100
FUSES / SICHERUNGEN PFLT
Resettable fuses
www.schurter.com
35
Type / Typ Umax Imax Ihold Itrip Initial 1 Hour (R1) Post- Max. Time Tripped Power
Resistance / Trip Resistance / to trip at 23 °C / Dissipation
Amperes / Ohms at 23 °C / Ohms at 23 °C / Amps / Seconds / Watts at 23 °C
Ampere at 23 °C
VAHold Trip min. max. R1 max. max. nom.
PFLT.100.S 24 100 1.0 2.5 0.070 0.130 0.260 5 7.0 1.5
PFLT.180 24 100 1.8 3.8 0.040 0.068 0.120 9 2.9 2.0
PFLT.180.S 24 100 1.8 3.8 0.040 0.068 0.120 9 2.9 2.0
PFLT.190 24 100 1.9 4.2 0.030 0.057 0.100 10 3.0 1.9
PFLT.260 24 100 2.6 5.2 0.025 0.042 0.076 13 5.0 2.3
PFLT.300 24 100 3.0 6.3 0.015 0.031 0.055 15 4.0 2.0
PFLT.340 24 100 3.4 6.8 0.016 0.027 0.050 17 5.0 2.7
Type / Typ
Ambient Operating Temperature
–40 ˚C –20 ˚C 0 ˚C 23 ˚C 40 ˚C 50 ˚C 60 ˚C 70 ˚C 85 ˚C
PFLT.100.S 1.8 1.6 1.4 1.0 0.8 0.7 0.6 0.4 0.2
PFLT.180 3.1 2.6 2.2 1.8 1.3 1.1 0.9 0.6 0.2
PFLT.180.S 3.1 2.6 2.2 1.8 1.3 1.1 0.9 0.6 0.2
PFLT.190 3.3 2.8 2.4 1.9 1.4 1.2 1.1 0.7 0.4
PFLT.260 4.3 3.7 3.1 2.6 1.9 1.6 1.4 1.1 0.6
PFLT.300 5.1 4.4 3.7 3.0 2.3 1.9 1.6 1.2 0.6
PFLT.340 5.5 4.7 4.0 3.4 2.6 2.2 1.9 1.5 0.8
How To Order
PF LT . xxx . x
PTC-Fuse
Style
LT = Low temperature axial leaded
“strap” component
Hold Current, Ihold
100-340 (1.00 A - 3.40 A)
Slotted lead option
Thermal Derating Chart - Ihold
(Amps)
Packaging
All models packaged in bulk, 500 pieces each.
Packaged loose; optional slotted leads (.S) available for 1 A and 1.8 A ratings
Type / Typ A B C D F
Package style
min. max. min. max. min. max. min. max. min. max.
PFLT.100S 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 S
PFLT.180 24.0 26.0 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 Std.
PFLT.180S 24.0 26.0 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 S
PFLT.190 21.3 23.4 10.2 11.0 0.5 1.1 5.0 7.6 4.8 5.4 Std.
PFLT.260 24.0 26.0 10.8 11.9 0.6 1.0 5.0 7.0 5.9 6.1 Std.
PFLT.300 28.4 31.8 13.0 13.5 0.5 1.1 6.3 8.9 6.0 6.6 Std.
PFLT.340 24.0 26.0 14.8 15.9 0.6 1.0 4.0 5.0 5.9 6.1 Std.
Dimensions
Dimensions = mm
