Commercial & Tactical UAV Systems

Littelfuse Commercial and Tactical Unmanned Aerial Vehicle (UAV) Systems offer solutions for Li-Ion battery protection, battery chargers, and power distribution. These systems provide fuses for input protection/overcurrent protection, MOSFETs for semiconductor switching, and TVS diodes for DC output transient/surge protection. The commercial and tactical UAV systems offer battery protection >60V and provide main-pack fault isolation, battery disconnect/power path control (pre-charge support), and branch circuit overcurrent protection. Typical applications include Intelligence, Surveillance, and Reconnaissance (ISR), military, border surveillance, agriculture, delivery/logistics, inspection, and public safety.

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Qty. RoHS ECAD Model Packaging
Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Case Code - in
Case Code - mm
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Height
Minimum Operating Temperature
Maximum Operating Temperature
Technology
Termination
Termination Style
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 15 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 15 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 16 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 16 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 18 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 18 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 20 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 20 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 22 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 22 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 27 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 27 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 30 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 4 000

Reel, Cut Tape 30 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 33 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 33 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 36 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 36 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 51 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 51 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 68 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 68 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 120 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 120 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 130 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 4 000

Reel, Cut Tape 130 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 140 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 140 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 180 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 180 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 240 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 240 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 300 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 300 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 330 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 330 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 360 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 4 000

Reel, Cut Tape 360 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 390 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 4 000
Mult.: 4 000
: 4 000

Reel 390 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 430 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 4 000

Reel, Cut Tape 430 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM2512 2W 50ppm 470 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
: 4 000

Reel, Cut Tape 470 mOhms 2 W 1 % 50 PPM / C 2512 6432 6.4 mm (0.252 in) 3.2 mm (0.126 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM4527 4W 50ppm 15 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000

Reel 15 mOhms 4 W 1 % 50 PPM / C 4527 11570 11.6 mm (0.457 in) 7.1 mm (0.28 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM4527 4W 50ppm 20 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000

Reel 20 mOhms 4 W 1 % 50 PPM / C 4527 11570 11.6 mm (0.457 in) 7.1 mm (0.28 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT
Littelfuse Current Sense Resistors - SMD 2T WSTM4527 4W 100ppm 7 mOhm +/-1.0%
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1 000
Mult.: 1 000
: 1 000

Reel 7 mOhms 4 W 1 % 100 PPM / C 4527 11570 11.6 mm (0.457 in) 7.1 mm (0.28 in) 0.65 mm (0.026 in) + 5 C + 35 C Thick Film 2 Terminal SMD/SMT