Datasheet

NOTE : Specification subject to change without notice.
Axial Leaded PTC Resettable Fuse: FSR Series
1. Summary
(a) RoHS Compliant (Lead Free) Product
(b) Applications: Rechargeable battery packs, Lithium cell and battery packs
(c) Product Features: Low profile, Solid state
(d) Operation Current: 1.2A~4.2A
(e) Maximum Voltage: 15V and 30V
(f) Temperature Range : -40℃
℃℃
℃ to 85℃
℃℃
℃
2. Agency Recognition
UL: File No. E211981
C-UL: File No. E211981
TUV: File No. R50004084
3. Electrical Characteristics (23℃
℃℃
℃)
Resistance Tolerance Hold
Current
Trip
Current
Max. Time
to Trip
Rated
Voltage
Maximum
Current
Typical
Power
R MIN R MAX R 1 MAX
Part
Number
I H , A I T , A
at 5xI H , S
V MAX , Vdc I MAX , A Pd, W
ohms ohms ohms
FSR120F
1.20 2.70 5.0 15 100 1.2 0.085 0.160 0.220
FSR175F
1.75 3.80 5.0 15 100 1.5 0.050 0.090 0.120
FSR200F
2.00 4.40 4.0 30 100 1.9 0.030 0.060 0.100
FSR350F
3.50 6.30 3.0 30 100 2.5 0.017 0.031 0.050
FSR420F
4.20 7.60 6.0 30 100 2.9 0.012 0.024 0.040
I H =Hold current-maximum current at which the device will not trip at 23℃ still air.
I T =Trip current-minimum current at which the device will always trip at 23℃ still air.
V MAX =Maximum voltage device can withstand without damage at its rated current.
I MAX = Maximum fault current device can withstand without damage at rated voltage (V MAX ).
Pd=Maximum power dissipated from device when in tripped state in 23℃ still air environment.
R MIN =Minimum device resistance at 23℃.
R 1 MAX =Maximum device resistance at 23℃, 1 hour after tripping.
Physical specifications:
Lead material:0.13mm nominal thickness, quarter-hard nickel.
Insulating material : Polyester tape.