Hall Effect DC Current Sensor TBC25D TBC50D 25A 50A Closed Loop for AC Variable Speed Drives
Closed loop hall effect current sensor for accurate DC, AC or pulsed current measurement. Rated 25A or 50A with ±15V supply. High linearity ≤0.1%FS, fast response <1µs. UL94-V0, IEC60950-1 certified. Custom input/output available.
AC Variable Speed Drives Hall Effect Dc Current Sensor IEC60950-1:2001
TBC-D series multi-range 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.
| Electrical data(Ta=25℃±5℃) |
| Type Parameter |
TBC25D | TBC50D |
Unit |
Rated input current(Ipn) |
25 | 50 | A |
Measure current range(Ip) |
50 | 100 | A |
Secondary turns(Ns) |
1000±1 | 2000±2 | T |
Secondary resister |
40 | 45 | Ω |
| Rated output current(Isn) | @Ip=±Ipn ±25±0.5% | mA | |
Supply voltage |
±15±5% | V | |
| Power consumption | ≤20+Ip/Ns | mA | |
Zero offset current |
@ Is=0 ≤±0.2 | mA | |
Offset current drift |
@ -40~+85℃ ≤±0.6 | mA | |
| Linearity | @ Ip=0-±Ipn ≤0.1 | %FS | |
Total precision |
≤0.7 | %FS | |
di/dt accurately followed |
>50 | A/µS | |
Response time |
@ Ip=Ipn,50 A/µS,10%-90% <1 | µS | |
Bandwidth |
@ -1db DC~100 | KHZ | |
Galvanic isolation |
@ 50HZ,AC,1min 2.5 | KV | |
| Applications |
AC variable speed drives
Static converters for DC motor drives
Battery supplied applications
Uninterruptible Power Supplies (UPS)
Switched Mode Power Supplies(SMPS)
Power supplies for welding applications
| Mechanical dimension(for reference only) |
Remarks:
1. All dimensions are in mm.
2. General tolerance ±1mm.
| Pin connections |
| IPN(A) | Iout(mA) | [mΩ] | [µH] | Pin connector | |
| 1 | ±25(±50) | ±25 | 0.18 | 0.013 | ![]() |
| 2 | ±12.5(±25) | ±25 | 0.81 | 0.05 | ![]() |
| 3 | ±8.3(±16.6) | ±25 | 1.62 | 0.12 | ![]() |
| Directions for use |
When the current will be measured goes through a sensor, the voltage will be measured at the output end.
(Note: The false wiring may result in the damage of the sensor)
Custom design in the different rated input current and the output current are available.
|
Standards |
- UL94-V0.
- EN60947-1:2004
- IEC60950-1:2001
- EN50178:1998
- SJ 20790-2000
| General date |
| Value | Unit | Symbol | |
| Operating temperature | -40 to +85 | ºC | TA |
| Storage temperature | -40 to +125 | ºC | TS |
| Mass(approx) | 10 | g | M |
| Characteristics chart |
Pulse current signal response characteristic Effects of impulse noise




