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Tunnel Magnetoresistance (TMR) Current Sensor (CSB-ZM Series)

Current Sensor for Built-in DC Energy Meters

TFY-CSB-ZM

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Product Description


Definition

Symbol

Value

Unit
One-time rated current lpn 300,500 A
Secondary rated voltage Vsn V
Maximum current per occurrence lp 1.2lpn A
Secondary output voltage Vo 1*(1/lpn) V
Load impedance Reinforcement Learning ≥10 kQ
Supply voltage You ±12(±5%) V
Quiescent current consumption (@ ±12 V, I = 0 A) IC ≤15 mA
Maximum current consumption (@ ±12 V, I = 1 A) Im ≤160 mA
Accuracy (0.01 lp/mm – 0.05 lp/mm at 25°C) XG 0.5  %
Accuracy (0.05 lp/mm @ 25°C) XG 0.2  %
Zero-point offset voltage (I = 0 A, at 25 °C) VOE ≤1 millivolt
Zero-point temperature drift (I = 0 A, at −40 to 85 °C) VOTE <0.1 mV/°C
Hysteresis offset voltage (@I=0A, after 1×IPN) VOH ≤±1 millivolt
Response time (@90% Ipn) Between ≤5 microseconds
Bandwidth (@10% LPN, -3 dB) BW DC-20 kilohertz
Effect of a static magnetic field (@200 mT) delta ≤2 %
Power-frequency magnetic field influence (400 A/m) delta ≤1 %

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