Thin Film Technology Corp.

D1WRL-L4 Current Sensing Resistor

Thin Film Technology Corp.’s four-terminal current sensing resistor with separate voltage sensing terminals and a low-parasitic element, perfect for battery management applications

Image of Thin Film Technology's D1WRL-L4 Current Sensing ResistorThin Film Technology Corp.’s D1WRL-L4 has kelvin current sensing and a low-parasitic element making it perfect for battery management applications.

This current sensing resistor features a highly precise four-terminal construction. This design ensures precise separation of voltage and current terminals, coupled with an innovative bottom-side element that effectively reduces parasitic resistance. The inclusion of an anti-sulfur Cu-Ni foil element enhances its durability in high-stress environments. In testing and simulation, the D1WRL-L4 has demonstrated minimal resistance variation concerning soldering offsets and excitation probing location. The D1WRL-L4 is the preferred choice for critical applications such as battery management systems, DC/DC converters, and server setups. Its exceptional precision, reliability, and consistency in resistance make it an indispensable component for those seeking optimal performance.

Features
  • Four terminal Kelvin sensing
  • Low-parasitic element
  • Low-noise
  • Power rating up to 1 W
  • Resistance range: 0.5 mΩ ~ 100 mΩ
  • Tolerances down to ±0.3%
  • TCR down to ±30 ppm/˚C
Applications
  • Battery management systems
  • DC/DC converters
  • Heads-up displays and infotainment systems
  • Industrial electronics
  • Server and IoT
  • Telecommunications
  • Consumer electronics

D1WRL-L4 Current Sensing Resistor

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
RES 0.002 OHM 1% 1/2W 1206D1WRL1206L4R002F-T5RES 0.002 OHM 1% 1/2W 120615000 - Immediate$9.15View Details
RES 0.001 OHM 1% 1/2W 1206D1WRL1206L4R001F-T5RES 0.001 OHM 1% 1/2W 120614890 - Immediate$9.15View Details
RES 0.015 OHM 0.5% 1/2W 1206D1WRL1206L4R015D-T5RES 0.015 OHM 0.5% 1/2W 12067264 - Immediate$2.78View Details
RES 0.025 OHM 0.5% 1/2W 1206D1WRL1206L4R025D-T5RES 0.025 OHM 0.5% 1/2W 120613917 - Immediate$10.37View Details
RES 0.05 OHM 0.5% 1/2W 1206D1WRL1206L4R050D-T5RES 0.05 OHM 0.5% 1/2W 120614916 - Immediate$6.86View Details
RES 0.1 OHM 0.5% 1/2W 1206D1WRL1206L4R100D-T5RES 0.1 OHM 0.5% 1/2W 120612493 - Immediate$6.86View Details
RES 0.005 OHM 1% 1/2W 1206D1WRL1206L4R005F-T5RES 0.005 OHM 1% 1/2W 120614240 - Immediate$6.54View Details
RES 0.02 OHM 0.5% 1/2W 1206D1WRL1206L4R020D-T5RES 0.02 OHM 0.5% 1/2W 120614135 - Immediate$2.86View Details
RES 0.01 OHM 0.5% 1/2W 1206D1WRL1206L4R010D-T5RES 0.01 OHM 0.5% 1/2W 120613084 - Immediate$2.78View Details
RES 0.04 OHM 0.5% 1/2W 1206D1WRL1206L4R040D-T5RES 0.04 OHM 0.5% 1/2W 120619196 - Immediate$8.58View Details
RES 0.005 OHM 1% 1W 2512D1WRL2512L4R005F-T4RES 0.005 OHM 1% 1W 251211925 - Immediate$11.44View Details
RES 0.001 OHM 1% 1/2W 2512D1WRL2512L4R001F-T4RES 0.001 OHM 1% 1/2W 251211880 - Immediate$11.44View Details
RES 0.002 OHM 1% 1/2W 2512D1WRL2512L4R002F-T4RES 0.002 OHM 1% 1/2W 251210980 - Immediate$11.44View Details
Published: 2024-03-15