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QBC25A05

产品图片:2008121130201.jpg  



          QBC25A05 Hall-effect Current Sensor Series

QBC25A05series 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

QBC25A05

 

IPN

Primary nominal input current

25

A

IP

Measuring primary current range                         

0~±50

A

ISN

Nominal output current

25

mA

KN

Turns ratio

 1-2-3-4-5:1000

 

RM

Measurement resistance  (VC=±15V)

IP=±25A时     100-320

IP=±36A时    100-190

Ω

VC

Supply voltage

±12~±15(±5%)

V

IC

Current loss

VC=±15V               10+Is

mA

Vd

Insulation voltage

2.5KV AC/50Hz/1min

 

Dynamic characteristics

εL

Linearity

 <0.2

%FS

X

Precision

TA =25℃ VC=±15V         ±0.7                           

%

I0

Offset current

TA =25℃                  <±0.1

mA

IOM

Residual current                                  

IP→0                     <±0.15

mA

IOT

Offset current temperature drift                                 

IP=0  TA =–25~+70℃    ±0.1~±0.65

mA/℃

TR

Response time

 <1

μs

f

Band width(-3dB)

DC~150

KHz

Generic characteristics

TA

Operation temperature                 

–40~+85

TS

Storage temperature                 

–40~+125

RS

Secondary internal resistance                   

TA =25℃                   110

Ω

 

Standard

 

 

◆  alternating current variable-speed generator tracking

◆  electric welding equipment for the control of the welding current

◆      DC generator static electricity commutation

◆      Robot , over-current protection

◆     UPS, switching power supplies

 

Advantages                            Typical applications

◆ excellent precision ,good linearity

◆ PCB installation , better anti-jamming capability

◆ no insertion loss      

◆ low temperature drift, ,broad frequency band width               

◆ good current overload capability    

 package outlinemm       

        

 usage declaration

Turns ratio

Rated

current   IPN(A)

Rated

current

IP(A)

Output

current

IS(mA)

Primary impedance

(mΩ)

Primary connection

1:1000

25

36

      25

      0.3

2:1000

12

18

24

1.1

3:1000

8

12

24

2.5

4:1000

6

9

24

4.4

5:1000

5

7

25

6.3

 

 


Elucidation

+:+15V  -:-15V   M:Iout  

 

 
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