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TSM36A
  • TSM36A
  • TSM36A

TSM36A

ACTIVE

36-V, 1-kV/42-Ω TVS surge protection diode with 57-V clamping

Texas Instruments TSM36A Product Info

1 April 2026 3

Parameters

Vrwm (V)

36

Bi-/uni-directional

Uni-Directional

Package name

SOT-23-3

Peak pulse power (8/20 μs) (max) (W)

2000

IEC 61000-4-5 (A)

41

Breakdown voltage (min) (V)

37.8

Number of channels

1

IO capacitance (typ) (pF)

50

Clamping voltage (V)

57

Package

SOT-23 (DBZ)-3-6.9204 mm² 2.92 x 2.37

Features

  • Undirectional surge protection against 1.7 kV, 42 Ω IEC 61000-4-5 surge test for industrial signal lines
  • Robust surge protection:
    • IEC61000-4-5 (8/20 µs): 41 A
  • Low clamping voltage of 50 V at 25 A for 8/20 µs surge current protects downstream components
  • 36 V working voltage for protecting signals on 24-V systems
  • Low leakage current of 1 µA
  • Low dynamic resistance of 0.5 Ω
  • Integrated level 4 IEC 61000-4-2 ESD protection
  • 30-kV ESD protection (IEC 61000-4-2)
  • SOT-23 (DBZ) small, standard, common footprint
  • Leaded package used for automatic optical inspection (AOI)
  • Undirectional surge protection against 1.7 kV, 42 Ω IEC 61000-4-5 surge test for industrial signal lines
  • Robust surge protection:
    • IEC61000-4-5 (8/20 µs): 41 A
  • Low clamping voltage of 50 V at 25 A for 8/20 µs surge current protects downstream components
  • 36 V working voltage for protecting signals on 24-V systems
  • Low leakage current of 1 µA
  • Low dynamic resistance of 0.5 Ω
  • Integrated level 4 IEC 61000-4-2 ESD protection
  • 30-kV ESD protection (IEC 61000-4-2)
  • SOT-23 (DBZ) small, standard, common footprint
  • Leaded package used for automatic optical inspection (AOI)

Description

The TSM36A is a part of TI’s surge protection device family. The TSM36A robustly shunts up to 41 A of IEC 61000-4-5 fault current to protect systems from high power transients or lightning strikes. The device offers a solution to the common industrial signal line EMC requirement to survive up to 1.7 kV IEC 61000-4-5 open circuit voltage coupled through a 42 Ω impedance. The TSM36A clamps during a surge event, assuring system exposure below 50 V at I PP = 25 A.

Additionally, the TSM36A is available in a small leaded SOT-23 (DBZ) package which is reduced in size by approximately 50 percent compared to the industry standard SMA package. The extremely low device leakage and capacitance ensures a minimal effect on the protected line.

For more information on the other devices in the surge family, see the products at this link.

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