CURRENT SENSING RESISTORS

Power Current Sensing Resistors

BWL

Tokenchina recognizes current sense as a growing application in the electronics industry and are proud to offer a mold assortment of high power resistors to service this application in the industrial, medical, and military and aerospace markets.


Tokenchina's current detective devices are available with Pb-free terminations to comply with RoHS requirements.


Features Shunt Resistors, current sensing

  • Axial moulded type.
  • Tight resistance tolerance.
  • Excellent load life stability.
  • Fast response time, low TCR, non-inductive design.

Applications

  • Battery Pack, Charger, Adaptor
  • Automotive Motor Control,DC-DC Converter
  • Deflection Amplifiers, Power Supply and Process Monitoring
  • Over Current Protection in Audio Applications

Performance Characteristics - Power Current Detection BWL

Test Items Test Conditions Specifications
Load Life 70°C on~off cycle 1000 Hrs. ΔR ≤ ±1%R
Solderability 235±5°C, 5s(solder bath method) IEC68-2-20(1968)
Insulation Resistance 500V >1GΩ
Operating Temp. Range   -55°C ~ 175°C
Moisture-Proof Load Life 40°C 95% RH on~off cycle 21 Hrs. ΔR ≤ ±0.2%R
Resistance to soldering heat 350°C, 3.5s ΔR ≤ ±0.1%R
Dielectric Withstanding Voltage 500V AC 1 Min. ΔR ≤ ±0.1%R

Technical Specifications - Current Sense BWL

Type Rated Watts
at 25°C
(W)		 Resistance Range (Ω) Tolerance Dimensions (mm)
Min Max A±0.25 ΦB±0.25 Φd F
BWL-0.5 0.5 0.01 1 ±1%
±2%
±5%		 7.0 3.0 0.8 27.0
BWL-1 1.0 0.005 2 11.0 3.0 0.8 31.0
BWL-3 3.0 0.005 2 15.0 5.2 0.8 34.0
BWL-4 4.0 0.005 5 18.0 6.5 0.8 38.0
BWL-5 5.0 0.005 1 24.0 8.4 1.0 44.0
BWL-10 10.0 0.01 1 46.5 10.0 1.0 66.0

How to Order - Current Sensing BWL

BWL - 1W R01 F P
Product Type
 
Power Rating
Resistance
R01 0.01Ω
R1 0.1Ω
1R 1Ω
Resistance Tolerance
F ±1%
G ±2%
J ±5%
Package
P Bulk

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BWL Series - Power Current Sensing Resistors