Leakage Current Detector  
Part No. Features VCC Package
PD(mW)
GF2140 Low Power  2-Wire Ground Fault Interrupter

* Directly powered from the AC line
* Build-in bridge rectifer
* Interface to SCR
* Adjustable trip current and time delay
* Minimum external components
* For two-wire system
* Be used in 110V or 220V system
6.5V Regulated SOP-8
500mW
M54133 Earth Leakage Current Detector( EIOH1&2 = ±20%)

* Improvement of ability against unwanted tripping by
lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by
inverter-noise.
Built-in operational amplifier (of low current dissipation) for active
low-pass filter.
Improved high-frequency, high harmonic superposition
performance
* Internal time delay function
* An external capacitor is used to set the delay time.
* High input sensitivity: VT=11.5mVrms Typ.
* Low-current dissipation (at RIREF=180kΩ)
In stand-by condition: IS=610μA Typ.
* High stabilities design
Adopt the circuits that is not affected by fluctuations of supply
voltage/ambient temperature.
7.0V ~ 12.0V SOP-16 
200mW
M54133A Earth Leakage Current Detector( EIOH1&2 = ±10%)

* Improvement of ability against unwanted tripping by
lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by
inverter-noise.
Built-in operational amplifier (of low current dissipation) for active
low-pass filter.
Improved high-frequency, high harmonic superposition
performance
* Internal time delay function
* An external capacitor is used to set the delay time.
* High input sensitivity: VT=11.5mVrms Typ.
* Low-current dissipation (at RIREF=180kΩ)
In stand-by condition: IS=610μA Typ.
* High stabilities design
Adopt the circuits that is not affected by fluctuations of supply
voltage/ambient temperature.
7.0V ~ 12.0V SOP-16 SOP-16N
200mW
M54134 Earth Leakage Current Detector( EIOH1&2 = ±10%)

* Improvement of ability against unwanted tripping by
lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by
inverter-noise.
Built-in operational amplifier (of low current dissipation) for active
low-pass filter.
Improved high-frequency, high harmonic superposition
performance
* Internal time delay function
* An external capacitor is used to set the delay time.
* High input sensitivity: VT=11.5mVrms Typ.
* Low-current dissipation (at RIREF=180kΩ)
In stand-by condition: IS=610μA Typ.
* High stabilities design
Adopt the circuits that is not affected by fluctuations of supply
voltage/ambient temperature.
7.0V ~ 12.0V SOP-16 SOP-16N
200mW
M54123L Earth Leakage Current Detector

* With good input sensitivity current temperature characteristics
* High input sensitivity :VT=6.1mV (Typ.)
* Only need low external component count
* High noise and surge-proof
* Low power dissipation :PD=5mW (Typ.)
* May be used both as 100V and 200V.
* Wide temperature range : from -20 °C to +80°C
Vz=12.0V(Min) DIP-8 SOP-8 SIP-8 
200mW
M54223 Earth Leakage Current Detector

* With good input sensitivity current temperature characteristics
* High input sensitivity :VT=6.1mV (Typ.)
* Only need low external component count
* High noise and surge-proof
* Low power dissipation :PD=5mW (Typ.)
* May be used both as 100V and 200V.
* Wide temperature range : from -20 °C to +80°C
Vs=12.0V(Min) DIP-8 SOP-8
200/350mW
GM1851 Ground Fault Interrupter

* Internal power supply shunt regulator
* Externally programmable fault current threshold
* Externally programmable fault current integration time
* Direct interface to SCR
* Operates under line reversal; both load vs line and hot vs neutral
* Detects neutral line faults
VZ=26.0V(Typ) DIP-8 SOP-8
1250mW
GV4145A Low Power Ground Fault Interrupter

* No potentiomenter required
* Direct interface to SCR
* Supply voltage derived from AC line-26V shunt
* Adjustable sensitivity
* Grounded neutral fault detection
* Meets U.L.943 standards
* 450μA quiescent current
* I deal for 120V or 220V systems
VZ=26.0V(Typ) DIP-8 SOP-8
500mW
M54147G* Earth Leakage Current Detector 4.6V~4.9V SOP-8
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M54149G* Earth Leakage Current Detector 4.6V~4.9V SOP-14
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*: Under  Development