MENU

Shunt sensor solution > Shunt busbar

For current detection of BMS / inverter

Shunt busbar

Busbar integrated, low cost and highly accurate current detection shunt

Product features

  • Space saving by integrated shape with busbar
    Reduces the risk of heat generation by eliminating the fastening process the shunt and bus bar
  • Traceability by QR code to the product
  • Compliant with RoHS Directive and AEC-Q200
Insulation processing, Terminal pin for voltage detection, surface treatment (Tn / Ni)  can be provided. with high degree of freedom of bus bar design.

Applications

BMS (12V / 48V / high voltage), inverter, etc
in the fields of automobiles, industrial equipment, and energy,etc.

Sample Photo

Technical data

itemNumerical valueunit
Resistance value50, 100, customμΩ
Rated power @105℃16, 32, -W
Temperature coefficient of resistance (T.C.R)≦50p.p.m/℃
Thermoelectromotive force≦2μV/℃
Resistance tolerance±3%
Oeprating temparature Range−40〜+170

Size drawing

Resistance
value
(μΩ)
ABCDESurface
treatment
L (mm)W (mm)(mm)(mm)T (mm)Nickel / tin
5015020130103option
10084186093option
15~33optionoptionoptionoptionoptionoption

Product name composition

Example: CMRB8418T3N2P
CMRB8418T3N2P
Type Resistance
value
External
size
Thickness surface
treatment
Number of
terminals
CMR-ESGAA:50μΩ 15020
L150 × W20
T3 3mmN No surface treatment0P 0Pin
 B:100μΩ 8418
L84 × W18
 1 Nickel processing2P 2Pin
    2 Tin processing3P 3Pin

Reliability test

itemTest conditionsStandard value ΔR
High Temparature Exposure+175℃ / no load / 1,000Hr±1.0%
Rapid change of temparature-55℃〜150℃ / 1,000cyc / 30mincyc±0.5%
Moisture resistanceCompliant with MIL-STD-202±0.5%
Moisture load+85℃ / 8 5RH / 10%Bias / 1,000Hr±0.5%
Load lifeterminal+75℃ / freeze frame power / 1,000hr±1.0%
Low Temparature Exposure-65℃ / no load / 1,000Hr±0.5%
Vibration10〜2,000Hz / 20min / 3 direction each 4Hr±0.5%
Impact100G / 6msec / 6 direction each 5times±0.5%