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Hall Closed-loop Current Sensor
 
 
 

Hall Current Sensor HNC-161
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Electrical Parameters:
TYPE
HNC-161
parameter
sign
Primary nominal r.m.s. current
IPN
125A
Primary current measuring range
IP
0~±200A
Secondary nominal
RMS current
ISN
125mA±0.5% at IPN
Supply voltage
VC
±12V~±15V DC  ±5%
Zero offset current@IPN =0,
TA = 25°C
I0
±0.2mA at IPN  =0
Thermal drift of offset
current@IPN =0
I0T
within±0.6mA
Linearity of VSN at IPN =F.S
εL
±0.1% of ISN  at IPN =F.S
Response time
Tr
1μs Max
R.m.s. voltage  for
AC isolation test
Vd
3KV/50Hz or 60Hz/1min
Frequency bandwidth
f
DC-150KHz
Load resistance
RL
30~60Ω

Structural Parameters:
Features
1.Closed loop (compensated)  multirange current sensor
using the Hall effect
2.High accuracy
3.Very low temperature drift
4.Wide frequency bandwidth
5.High immunity to external  interference
 
Applications
1.AC variable speed drives and
serve motor drives
2.Uninterruptible Power Supplies (UPS)
3.Battery supplied applica-
tions
4.Power supplies for welding  applications
 
Pin Identification
1:+15V
2:-15V
3:VOUT
4:void

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