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TBC25-50LAH

TBC-LAH系列闭环型电流传感器的初、次级之间是绝缘的,可用于测量直流、交流和脉冲电流。

关键词:

TBC25-50LAH

所属分类:

产品详情

  TBC-LAH系列闭环型电流传感器的初、次级之间是绝缘的,可用于测量直流、交流和脉冲电流。

  The TBC-LAH current sensor is a closed loop device based on the principle of the hall effect and null balance method. The output from the current sensor is the balancing current which is a perfect image of the primary current reduced by the number of secondary turns at any time. This current can be expressed as a voltage by passing it through a resister. It provides accurate electronic measurement of DC,AC or pulsed currents.

  电参数 Electrical data(Ta=25℃±5℃)

型号 Type
参数Parameter

TBC25LAH

TBC50LAH

TBC100LAH

单位
Unit

额定输入电流(Ipn)
Rated input (Ipn)

±25

±50

±100

A

测量电流范围(Ip)
Measure range(Ip)

±75

±150

±280

A

测量电阻
Measure resister
with ±12V

@ IPN(DC)
Rmin=100, Rmax=420

@ IPN(DC)
Rmin=100, Rmax=360

@ IPN(DC)
Rmin=50, Rmax=170

Ω

@ IPN(RMS)
Rmin=75,  Rmax=300

@ IPN(RMS)
Rmin=75,  Rmax=250

@ IPN(RMS)
Rmin=35,  Rmax=120

Ω

测量电阻
Measure resister
with ±15V

@ IPN(DC)
Rmin=120, Rmax=535

@ IPN(DC)
Rmin=120, Rmax=480

@ IPN(DC)
Rmin=60, Rmax=220

Ω

@ IPN(RMS)
Rmin=82,  Rmax=385

@ IPN(RMS)
Rmin=82,  Rmax=350

@ IPN(RMS)
Rmin=42,  Rmax=160

Ω

额定输出电流(Isn)
Rated output (Isn)

25±0.5%

25±0.5%

50±0.5%

mA

匝 比  (Np/Ns)
Turns ratio(Np/Ns)

1-2-3:1000

1:2000

1:2000

T

电源电压  
Supply voltage

±12~±15

V

功耗电流
Power consumption

20+IpX(Np/Ns)

mA

失调电流
Offset current

@ Ipn=0                       ≤±0.2

mA

失调电流温漂
Offset current drift

@ -40~+85℃                  ≤±0.5

mA

响应时间
Response time

@200A/μS,10%-90%                <1

µs

线性度
Linearity

@Ip=0-±Ipn                     ≤0.1

%FS

绝缘电压
Galvanic isolation

@ 50,AC,1min                    5.0

KV

di/dt跟随精度
di/dt accurately followed

>200

A/μs

带宽
Bandwidth

@DC,(-3dB)                          100

KHz

次级线圈电阻
Secondary coil resister  

@ +70℃          35

@ +70℃           75

@ +70℃           50

Ω

  应用 Applications

  ●变频调速系统

  Variable speed drives

  ●电焊机

  Welding machine

  ●通讯电源

  Battery supplied applications

  ●不间断电源UPS

  Uninterruptible Power Supplies (UPS)

  ●电化学

  Electrochemical

  ●交换式电源供应

  Switched Mode Power Supplies (SMPS)

  结构参数 Mechanical dimension(for reference only)

  

1

  Remarks:

  1. All dimensions are in mm.

  2. General tolerance ±1mm

  接线图 Pin connections

Primary turns

Rated current
IPN(A)

Rated output
IS(mA)

Primary resistance
[mΩ]

Primary inductance
[uH]

Pins connections

1

25

25

0.15

0.01

1

2

12

24

0.75

0.05

1

3

8

24

1.45

0.14

1

 

Turns

Rated  input
current
(A)

Measure
range
(A)

Rated output current
( mA)

Secondary turns

Primary
resistance
(mΩ)

Primary
inductance
(uH)

1

50(100)

150(280)

25(50)

2000

0.08

0.007

  使用说明 Directions for use

  1. 当待测电流从传感器穿过,即可在输出端测得电压大小。(注意:错误的接线可能导致传感器损坏)

  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).

  2. 可按用户需求定制不同额定输入电流和输出电压的传感器。

  Custom design in the different rated input current and the output voltage available.

  执行标准 Standards

  ●UL94-V0.

  ●EN60947-1:2004

  ●IEC60950-1:2001 Test Voltage: 1000V

  ●EN50178:1998 Test Voltage: 1000V

  ●SJ 20790-2000

  总体参数 General date

 

数值 Value

单位 Unit

符号 Symbol

工作温度 Operating temperature

-40 to +85

ºC

TA

储存温度 Storage temperature

-40 to +125

ºC

TS

毛重(约)  Mass(approx)

LAH:15

g

M

  特性图 Characteristics chart

1 

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