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1SMA5920BT3G

1.5W Zener Diode, 6.2V nom, 5%, 2Ohm ZZT, AEC-Q101, SMA

19876

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Pieza del fabricante：

1SMA5920BT3G

Paquete：

SMA (DO-214AC, 5.10 x 2.60 x 1.00 mm)

Marca：
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Compromiso de calidad
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Descripción

Productos

The 1SMA5920BT3G from onsemi is a 1.5 W, 6.2 V Zener voltage regulator diode with +/-5% tolerance and AEC-Q101 qualification in an SMA (DO-214AC) surface mount package.

Especificaciones

Tipo 1.5 W Zener Voltage Regulator Diode
Zener Voltage (Nominal) 6.2 V
Zener Voltage Range 5.89 V to 6.51 V (+/-5%)
Power Dissipation 1.5 W
Zener Impedance (ZZT) 2 Ohm @ IZT=67mA
Leakage Current (IR) 4.0 uA @ VR=4V
ESD Rating Class 3 (>16 kV) HBM
Paquete SMA (DO-214AC)
Temperatura de funcionamiento -65C to +150C

Características

  • 6.2 V nominal Zener voltage with +/-5% tolerance
  • 1.5 W power dissipation
  • Low 2 Ohm Zener impedance
  • ESD Class 3 rating (>16 kV HBM)
  • AEC-Q101 qualified
  • Flat handling surface for accurate placement

Aplicaciones

  • Voltage regulation and reference
  • MOSFET gate protection
  • Overvoltage clamping
  • Waveform clipping

The 1SMA5920BT3G from onsemi is a 1.5 W surface mount Zener voltage regulator diode with a nominal 6.2 V Zener voltage and +/-5% tolerance. The low 2 Ohm Zener impedance at IZT=67mA provides stable voltage regulation under moderate load variation. The 4 uA leakage current at 4 V reverse voltage minimizes power waste. The SMA (DO-214AC) package provides a compact footprint with 1.5 W power dissipation capability. AEC-Q101 qualification ensures automotive-grade reliability. ESD Class 3 rating (>16 kV HBM) provides robust handling immunity.

The 1SMA5920BT3G operates in the reverse breakdown region as a Zener voltage regulator. At 6.2 V, the breakdown mechanism is a combination of Zener tunneling and avalanche multiplication. When reverse-biased voltage exceeds 6.2 V, the diode enters the breakdown region where current increases sharply while maintaining a nearly constant voltage across its terminals. The 2 Ohm dynamic impedance determines the voltage variation with changing current: a 10 mA change in operating current produces only a 20 mV change in Zener voltage. This tight regulation makes the device suitable as a voltage reference or clamp. In forward bias, the device behaves as a standard silicon diode with approximately 1.2 V forward voltage at 200 mA. The 1.5 W power rating is achieved through the SMA package’s thermal design with low thermal resistance from junction to lead.

Pin Nombre Tipo Función
1 Cátodo Terminal Cathode (indicated by polarity band)
2 Ánodo Terminal Ánodo
  • 6.2V MOSFET gate-source voltage clamp for protection
  • Automotive ECU 6V regulated reference for analog circuits
  • Overvoltage protection clamp on 5V supply rails
  • Waveform clipping and signal limiting in analog front-ends
Fabricante Número de pieza Paquete Notas
onsemi 1SMA5918BT3G SMA 5.1V variant in same series
onsemi 1SMA5922BT3G SMA 7.5V variant in same series
Nexperia BZX84C6V2,215 SOT-23 6.2V, 300mW, smaller
Vishay BZX55C6V2-TAP DO-35 6.2V, 500mW, through-hole
Diodos Inc MMSZ5234BT1G SOD-123 6.2V, 500mW, smaller
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