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ESD851-Q1
  • ESD851-Q1
  • ESD851-Q1

ESD851-Q1

ACTIVE

Automotive 36V bidirectional ESD protection device in SOD323

Texas Instruments ESD851-Q1 Product Info

1 April 2026 4

Parameters

Vrwm (V)

36

Bi-/uni-directional

Bi-directional

Package name

SOD323

Peak pulse power (8/20 μs) (max) (W)

400

IEC 61000-4-5 (A)

6.5

Breakdown voltage (min) (V)

37.8

Number of channels

1

IO capacitance (typ) (pF)

4.3

Clamping voltage (V)

47

Package

SOT (DYF)-2-3.445 mm² 2.65 x 1.3

Features

  • ISO 10605 (330pF, 330Ω) ESD protection:
    • ±27kV contact discharge
    • ±30kV air gap discharge
  • IEC 61000-4-5 surge protection:
    • 6.5A (8/20µs)
    • Clamping voltage: 71V at 6.5A (8/20µs)
  • IO Capacitance: 4.3pF (typical)
  • Ultra low leakage current: 10nA (maximum)
  • ESD clamping voltage: 56V at 16A TLP
  • Industrial temperature range: -55°C to +150°C
  • AEC-Q101 qualified
  • Industry standard SOD-323 leaded package (2.65mm × 1.3mm)
  • ISO 10605 (330pF, 330Ω) ESD protection:
    • ±27kV contact discharge
    • ±30kV air gap discharge
  • IEC 61000-4-5 surge protection:
    • 6.5A (8/20µs)
    • Clamping voltage: 71V at 6.5A (8/20µs)
  • IO Capacitance: 4.3pF (typical)
  • Ultra low leakage current: 10nA (maximum)
  • ESD clamping voltage: 56V at 16A TLP
  • Industrial temperature range: -55°C to +150°C
  • AEC-Q101 qualified
  • Industry standard SOD-323 leaded package (2.65mm × 1.3mm)

Description

The ESD851-Q1 is a bidirectional ESD protection diode designed for clamping harmful transients such as ESD and surge. The ESD851-Q1 is rated to dissipate ESD strikes up to ±30kV (contact and air gap discharge), which exceeds the maximum level specified in the IEC 61000-4-2 international standard (Level 4). For surges, the device can clamp 8/20µs surges with peak currents up to 6.5A in accordance with the IEC 61000-4-5 standard.

This device also features a 4.3pF (typical) IO capacitance enabling it to protect data lines. The low dynamic resistance and low clamping voltage provides system level protection against transient events.

The ESD851-Q1 is offered in the industry standard, leaded SOD-323 package to enable easy solderability.

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