KID65783AF 8 channel High-Voltage Source Driver 3,90 Taxes not included
1N4001F SMD Díodo de propósito general

9 in stock

5,50 Taxes not included

9 in stock



M51957A,B/M51958A,B are semiconductor integrated circuits designed for detecting input voltage and resetting all
types of logic circuits such as CPUs.
They include a built-in delay circuit to provide the desired retardation time simply by adding an external capacitor.
They fined extensive applications, including battery checking circuit, level detecting circuit and waveform shaping


  • Few external parts
  • Large delay time with a capacitor of small capacitance (td ≈ 100 ms, at 0.33 μF) (M51957, M51958)
  • Low threshold operating voltage (Supply voltage to keep low-state at low supply voltage):
    0.6 V (Typ) at RL = 22 kΩ
  • Wide supply voltage range: 2 V to 17 V
  • Wide operation range of detecting input pin: Narrower ranges of –0.3 V to VCC or –0.3 V to 7 V (input voltage detecting type)
  • Suitable for high supply voltage circuit with simple circuit structure (M51957B, M51958B)
  • Permits easy configuration of a circuit for protection against reverse connection or surges. (M519575B, M51958B)
  • Wide application range


Reset circuit of Pch, Nch, CMOS, microcomputer, CPU and MCU, Reset of logic circuit, Battery check circuit,
switching circuit back-up voltage, level detecting circuit, waveform shaping circuit, delay waveform generating
circuit, DC/DC converter, over voltage protection circuit

Weight 0,022 kg
Dimensions 1,17 × 0,9 × 0,197 cm
Supply Voltage (Vcc)

Output Sink Current (Isink)

Output Voltage (Vo)

Power Dissipation (Pd)


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M51958A Datasheet


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