B203 series current sensor is a closed loop device based on the measuring principle of the hall effect and null balance method, with a galvanic isolation between primary and secondary circuit. It provides accurate electronic measurement of DC, AC or pulsed currents.
Type | B203-25A | B203-50A | B203-75A | B203-100A | Unit |
Rated current(Ipn) | 25 | 50 | 75 | 100 | A |
Measure range(Ip) | 37.5 | 75 | 112.5 | 150 | A |
Turns ratio(Np/Ns) | 1:1000 | 1:2000 | 1:2000 | 1:2000 | T |
Measure resister | 0~495 | 0~470 | 0~290 | 0~205 | Ω |
Rated output | 25 | 25 | 37.5 | 50 | mA |
Coil resister | 35 | 60 | 60 | 60 | Ω |
Supply voltage | ±12,±15 | V | |||
Power Consumption | ≤20+ IpX(Np/Ns) | mA | |||
Offset current | @Ip=0 ±0.02 | mA | |||
Offset drift | @ -40~+85℃ ≤±0.005 | mA | |||
Linearity | @Ip=0-±Ipn ≤0.1 | %FS | |||
Total precision | ≤±0.7 | % | |||
di/dt accurately followed | >50 | A /μS | |||
Response time | @100A/μ S,10%-90% ≤1 | μS | |||
Galvanic isolation | @ 50HZ,AC,1min 2.5 | KV | |||
Bandwidth | @ -1db DC~100 | KHZ |
Dimensions
Mechanical dimension(for reference only) | Note |
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1. All dimensions are in mm. 2. General tolerance ±1mm. 3. Elucidation: 1:+15V 2: -15V 3:I0UT |
General date | Value | Unit |
Operating temperature(TA) | -40 to +85 | ℃ |
Storage temperature(TS) | -40 to +125 | ℃ |
Mass(approx) (M) | 25 | g |
Accuracy test
Pulse current signal response characteristic | Effects of impulse noise | ||
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( Input signal ) ( Output signal ) |
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( Output voltage ) |
Standards
UL94-V0.
EN60947-1:2004
IEC60950-1:2001
EN50178:1998
SJ 20790-2000
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