B102T 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 | B102T-20A | B102T-25A | Unit |
| Rated current（Ipn） | 20 | 25 | A |
| Measure range（Ip） | ±20 | ±25 | A |
| Turns ratio(Np/Ns) | 1:1000 | 1:625 | T |
| Internal resister | 100±0.1% | 50±0.1% | Ω |
| Rated output | @Ip=±Ipn ±2±0.5% | V | |
| Supply voltage | +5V | V | |
| Power Consumption | ≤20+ IpX(Np/Ns) | mA | |
| Zero voltage | @Ip=0 +2.5±0.5% | V | |
| Zero voltage drift | @ -40～+85℃ ≤±0.5 | mV /℃ | |
| 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～200 | KHZ | |
Dimensions
| Mechanical dimension(for reference only) | Remark |
 |
1. All dimensions are in mm. 2. General tolerance ±1mm. 3. Elucidation: 1:+5V 2:OV 3:V0UT |
| General date | Value | Unit |
| Operating temperature(TA) | -40 to +85 | ℃ |
| Storage temperature(TS) | -40 to +125 | ℃ |
| Mass(approx) (M) | 10 | g |
Accuracy test
| Pulse current signal response characteristic | Effects of impulse noise | ||
 |
( Input signal ) ( Output signal ) |
 |
( Output voltage ) |
Standards
UL94-V0.
EN60947-1:2004
IEC60950-1:2001
EN50178:1998
SJ 20790-2000
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