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ESD5B5.0ST1G

5V unidirectional TVS diode, 350W, SOD-523

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Pieza del fabricante：

ESD5B5.0ST1G

Paquete：

SOD-523 (1.6x0.8mm)

Marca：
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Descripción

Productos

The ESD5B5.0ST1G from onsemi is a 5V 350W unidirectional TVS diode in ultra-small SOD-523 for ESD protection of low-voltage signal lines.

Especificaciones

Paquete SOD-523 (1.6×0.8mm)

Características

  • See datasheet for complete specifications
  • Industry-standard package

Aplicaciones

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management

The ESD5B5.0ST1G from onsemi is a 5V 350W unidirectional TVS diode in ultra-small SOD-523 for ESD protection of low-voltage signal lines.

The ESD5B5.0ST1G is a 5V unidirectional TVS (Transient Voltage Suppressor) diode from onsemi in SOD-523 (1.2×0.8mm), designed for ESD protection of high-speed data lines. It uses a zener-based clamp structure: under normal operation (0-5V), the diode presents very low leakage current (<1uA at 5V) and low capacitance (70pF typical). When an ESD strike occurs (up to +/-8kV contact per IEC 61000-4-2), the TVS diode avalanches and clamps the voltage to a safe level. The clamping voltage at 8kV ESD (30A peak) is typically 9.8V, low enough to protect 5V CMOS inputs. The unidirectional configuration means the diode only clamps positive transients to the GND rail (and negative transients are clamped by the forward diode to -0.8V). Bidirectional versions clamp both polarities symmetrically. The 70pF capacitance is low enough for data rates up to approximately 50Mbps (e.g., RS-485, CAN) but too high for high-speed interfaces like USB 3.0 or HDMI, which require <1pF. The SOD-523 package has parasitic inductance of approximately 0.5nH, contributing to approximately 3V overshoot during fast ESD rise times (0.7-1ns). For better protection, place the TVS as close as possible to the connector.

Pin Nombre Tipo Función
1 E/S E/S Protected line (bidirectional ESD clamp)
2 GND Potencia Ground (ESD discharge path)
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Power management
    • Fabricante Número de pieza Paquete Notas
    onsemi ESD5B5.0ST1G SOD-523 Same device, onsemi label
    Nexperia PESD5V0S1BA,115 SOD-323 5V TVS, larger footprint
    Vishay GSOT05C-E3-08 SOT-23 5V bidirectional TVS
    Littelfuse PGB1010603MR 0402 5V polymer ESD suppressor
    TI TPD1E10B06DPYR SOD-923 10V unidirectional ESD, 0.4pF
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