FUSES / SICHERUNGEN PFLR
Resettable fuses
www.schurter.com
28
Axial leaded
PTC-Fuses
Type PFLR
Fully compatible with current
industry standards
Weldable nickel terminals
Very low internal resistance
Available in leadfree versions
Agency recognition:
UL, CSA, TÜV
Typical Time to Trip at 23 ˚C
Time to trip (s)
Dimensions
Applications
•Any application that requires
protection at low resistances
•Rechargeable battery packs
•Cellular phones
•Laptop computers
Test Procedures And Requirements For Model PFLR Series
Test / Test Test Conditions / Bedingungen Accept/Reject Criteria
Visual/Mech. / visuell/mech. Verify dimensions and materials / Kontrolle Abmess./Mat. Per MF physical description
Resistance / Widerstand In still air @ 23°C / bei ruhiger Luft 23 °C Rmin
≤ R ≤ Rmax
Time to Trip / Trip-Zeit At specified current, Vmax
23 °C / Bei entsprech. Strom 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. -45 °C to +85 °C
Maximum Device Surface Temperature in Tripped State / 125 °C
Passive Aging / passive Alterung +70 °C, 1000 hours / Std. ± 10% typ. resist. change
Humidity Aging / Feuchtigkeitsalterung +85 °C, 85% R.H. 7 days / Tage ± 10% typ. resist. change
Vibration MIL-STD-883C, No change
Condition A
Typical Part Marking
Layout may vary
Manufacturer’s Trademark
Lot No. (T = Taiwan, S = Xiamen)
Date code (First digit = Last digit of
year; next three digits = day of ye/
50 75 100
Fault current (A)
1 10 100
100
10
1
01
PFLR.260
PFLR.190
PFLR.450
PFLR.730
PFLR.600
PFLR.380
PFLR.550
Standard Style “S” Style
AA
SLIT 0.5 x 4.0 Nominal
(.020) (.157)
BF
DD
DC
AA
BF
D
DC
Part identification
FUSES / SICHERUNGEN PFLR
Resettable fuses
www.schurter.com
29
Electrical Characteristics
Type / Typ
AB C D FPkg.
min. max. min. max. min. max. min. max. min. max. Style
PFLR.190 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 Std.
(0.783) (0.870) (0.193) (0.205) (0.024) (0.039) (0.217) (0.295) (0.154) (0.161)
PFLR.190.S 19.9 22.1 4.9 5.2 0.6 1.0 5.5 7.5 3.9 4.1 S
(0.783) (0.870) (0.193) (0.205) (0.024) (0.039) (0.217) (0.295) (0.154) (0.161)
PFLR.260 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 Std.
(0.823) (0.909) (0.193) (0.205) (0.024) (0.039) (0.161) (0.217) (0.154) (0.161)
PFLR.260.S 20.9 23.1 4.9 5.2 0.6 1.0 4.1 5.5 3.9 4.1 S
(0.823) (0.909) (0.193) (0.205) (0.024) (0.039) (0.161) (0.217) (0.154) (0.161)
PFLR.380 24.0 26.0 6.9 7.5 0.6 1.0 4.1 5.5 4.9 5.1 Std.
(0.945) (1.024) (0.272) (0.295) (0.024) (0.039) (0.161) (0.217) (0.193) (0.201)
PFLR.450 24.0 26.0 9.9 10.5 0.6 1.0 5.3 6.7 5.9 6.1 Std.
(0.945) (1.024) (0.390) (0.414) (0.024) (0.039) (0.209) (0.264) (0.232) (0.240)
PFLR.550 35.0 37.0 6.9 7.5 0.6 1.0 5.3 6.7 4.9 5.1 Std.
(1.378) (1.457) (0.272) (0.295) (0.024) (0.039) (0.209) (0.264) (0.193) (0.201)
PFLR.600 24.0 26.0 13.9 14.5 0.6 1.0 4.1 5.5 5.9 6.1 Std.
(0.945) (1.024) (0.548) (0.571) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240)
*PFLR.730 26.0 29.1 13.9 14.5 0.6 1.0 4.1 5.5 5.9 6.1 Std.
(1.024) (1.146) (0.548) (0.571) (0.024) (0.039) (0.161) (0.217) (0.232) (0.240)
Dimensions
How To Order
PF LR .xxx .x
PTC-Fuse
Series
LR = Axial Leaded “Strap” Component
Hold Current, Ihold
190-730 (1.90-7.30 Amps)
Lead Option
S = Slotted Lead Option
Thermal Derating Chart-Ihold (Amps)
Type / Typ
Ambient Operating Temperature
–40 ˚C –20 ˚C 0 ˚C 23 ˚C 40 ˚C 50 ˚C 60 ˚C 70 ˚C 85 ˚C
PFLR.190 2.8/5.7 2.5/5.1 2.3/4.7 1.9/3.9 1.6/3.3 1.5/3.1 1.4/2.9 1.2/2.5 1.0/2.1
PFLR.190.S 2.8/5.7 2.5/5.1 2.3/4.7 1.9/3.9 1.6/3.3 1.5/3.1 1.4/2.9 1.2/2.5 1.0/2.1
PFLR.260 3.8/8.5 3.4/7.6 3.1/6.9 2.6/5.8 2.2/4.9 2.0/4.5 1.9/4.2 1.7/3.8 1.4/3.1
PFLR.260.S 3.8/8.5 3.4/7.6 3.1/6.9 2.6/5.8 2.2/4.9 2.0/4.5 1.9/4.2 1.7/3.8 1.4/3.1
PFLR.380 5.5/12.0 4.9/10.7 4.4/9.6 3.8/8.3 3.3/7.2 3.0/6.6 2.8/6.1 2.5/5.5 2.1/4.6
PFLR.450 6.5/12.9/ 5.8/11.5 5.3/10.5 4.5/8.9 3.9/7.7 3.6/7.1 3.3/6.5 2.9/5.7 2.5/4.9
PFLR.550 8.0/15.3 7.1/13.6 6.2/11.8 5.5/10.5 4.7/9.0 4.3/8.2 4.0/7.6 3.6/6.9 3.0/5.7
PFLR.600 8.7/17.0 7.8/15.2 7.1/13.8 6.0/11.7 5.2/10.1 4.7/9.2 4.4/8.6 3.9/7.6 3.3/6.4
*PFLR.730 10.6/20.5 9.5/18.3 8.6/16.6 7.3/14.1 6.3/12.2 5.7/11.0 5.4/10.4 4.7/9.1 4.0/7.7
Dimensions in mm/inches
Type / Typ Vmax
Imax
Ihold
Itrip
Initial Resistance / One Hour Max. Time to trip / Tripped
Volts Amps Post-Trip Power
Resistance / Dissipation /
Amperes Ohms Ohms Amperes Seconds Watts
at / bei 23 °C at / bei 23 °C at / bei 23 °C at / bei 23 °C at / bei 23 °C at / bei 23 °C
Hold Trip Min. Max. Max.
PFLR.190 15 100 1.90 3.90 0.039 0.072 0.102 9.5 5.0 1.2
PFLR.190.S 15 100 1.90 3.90 0.039 0.072 0.102 9.5 5.0 1.2
PFLR.260 15 100 2.60 5.80 0.020 0.042 0.063 13.0 5.0 1.3
PFLR.260.S 15 100 2.60 5.80 0.020 0.042 0.063 13.0 5.0 2.5
PFLR.380 15 100 3.80 8.30 0.013 0.026 0.037 19.0 5.0 2.5
PFLR.450 10 100 4.50 8.90 0.011 0.020 0.028 22.5 5.0 2.5
PFLR.550 10 100 5.50 10.50 0.009 0.019 0.022 27.5 5.0 2.8
PFLR.600 10 100 6.00 11.70 0.007 0.014 0.016 30.0 5.0 2.8
*PFLR.730 10 100 7.3 14.1 0.006 0.012 0.015 30.0 5.0 3.3
Packaging
All models packaged in bulk, 500 pieces each.
Packaged loose; optional slotted leads (.S) available for 1.90 A and
2.60 A ratings
*Preliminary
*Preliminary
*Preliminary
