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TSD18-Q1
  • TSD18-Q1
  • TSD18-Q1

TSD18-Q1

ACTIVE

Automotive 18V unidirectional surge protection device in SOD-323 package

Texas Instruments TSD18-Q1 Product Info

1 April 2026 4

Parameters

Vrwm (V)

18

Bi-/uni-directional

Uni-Directional

Package name

SOD323

Peak pulse power (8/20 μs) (max) (W)

300

IEC 61000-4-5 (A)

15

Breakdown voltage (min) (V)

18.3

Number of channels

1

IO capacitance (typ) (pF)

12

Clamping voltage (V)

31

Package

SOT (DYF)-2-3.445 mm² 2.65 x 1.3

Features

  • ISO 10605 (330pF, 330Ohm) ESD protection:
    • ±30kV contact discharge
    • ±30kV air gap discharge
  • IEC 61000-4-5 surge protection:
    • 7-60A (8/20µs)
  • IO capacitance < 20pF
  • Ultra low leakage current: 50nA (maximum)
  • Industrial temperature range: -55°C to +150°C
  • AEC-Q101 qualified
  • Industry standard SOD-323 leaded package(2.65mm × 1.3mm)
  • ISO 10605 (330pF, 330Ohm) ESD protection:
    • ±30kV contact discharge
    • ±30kV air gap discharge
  • IEC 61000-4-5 surge protection:
    • 7-60A (8/20µs)
  • IO capacitance < 20pF
  • Ultra low leakage current: 50nA (maximum)
  • Industrial temperature range: -55°C to +150°C
  • AEC-Q101 qualified
  • Industry standard SOD-323 leaded package(2.65mm × 1.3mm)

Description

The TSDxx-Q1 are a family of unidirectional TVS protection diodes designed for clamping harmful transients such as ESD and surge. The TSDxx-Q1 are rated to dissipate ESD strikes up to ±30kV (contact and air gap discharge) and also meets the the maximum level specified in the IEC 61000-4-2 international standard (Level 4).

Combining the robust clamping performance and low capacitance of these devices, TSDxx-Q1 are excellent TVS diodes to protect both data and power lines in many different applications.

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

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