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QBC-LTA

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             QKC300LTA Hall-effect Current Sensor Series

QKC300LTA series is a new generation of current sensor based on the principle of Hall-effect. It can be used for detecting DC、 pulse and various irregular waveform current under electrical isolation between output and input.

Electrical characteristics

 

Type

QBC050LTA

QBC100LTA

QBC200LTA

CSM300LT

 

IPN

Primary nominal input current

50

100

200

300

A

IP

Measuring primary current range                         

0~±150

0~±300

0~±600

0~±900

A

ISN

Nominal output current

25

50

100

100

mA

KN

Turns ratio

1:2000

1:3000

 

RM

Measurement resistance  (VC=±15V/ IPN)

100(max)

110(max)

120(max)

100(max)

Ω

 

(VC=±15V/ IP)

50(max)

40(max)

30(max)

36(max)

Ω

VC

Supply voltage

±12~±18(±5%)

V

IC

Current loss

VC=±15V                    20+Is

mA

Vd

Insulation voltage

6KV AC/50Hz/1min

 

Dynamic characteristics

εL  

Linearity

      <0.1

%FS

X

Precision

TA =25℃ VC=±15V         ±0.7

%

I0

Offset current

TA =25℃                   <±0.20

mA

IOM

Residual current                                  

IP→0                      <±0.20

mA

IOT

Offset current temperature drift                                 

IP=0  TA =-25~+85℃      ±0.10~±0.65

mA/℃

TR

Response time

<1

μs

f

Band width(-3dB)

DC~100

KHz

Generic characteristics

TA

Operation temperature                 

-40~+85

TS

Storage temperature                 

 –40~+125

RS

Secondary internal resistance TA =25℃                   

    29                  

25

21

32

Ω

 

Standard

 

 

◆ alternating current variable-speed generator tracking

◆ welding equipment source

◆ DC generator static electricity commutation

◆ communication source 、battery source

◆ UPS, switching power supplies

 

Advantages                                Typical applications

◆  excellent precision ,good linearity

◆  better anti-jamming capability     

◆  low temperature drift, quick response time

◆  broad frequency band width

◆  good over-current capability

package outlinemm                     

Elucidation

1:+15V     2:-15V 

3:Iout      OFS:zero adjustment

 

 
Address:南京市大明路135-3号
Phone:025-52619808   52619628   Fax:025-52619628
E-mail:hallsensor@hotmail.com、cgq@china-cgq.cn   Website:www.chinasensors.net   www:china-cgq.cn