Product details

Number of channels (#) 1 IO capacitance (Typ) (pF) 160 Vrwm (V) 5 IEC 61000-4-2 contact (+/- kV) 24 IEC 61000-4-5 (A) 43 Features Flat-clamping, Surge Protection Bi-/uni-directional Uni-Directional IO leakage current (Max) (nA) 5.5 Rating Catalog Operating temperature range (C) -40 to 125 Dynamic resistance (Typ) (Ω) 0.03 Clamping voltage (V) 9.5
Number of channels (#) 1 IO capacitance (Typ) (pF) 160 Vrwm (V) 5 IEC 61000-4-2 contact (+/- kV) 24 IEC 61000-4-5 (A) 43 Features Flat-clamping, Surge Protection Bi-/uni-directional Uni-Directional IO leakage current (Max) (nA) 5.5 Rating Catalog Operating temperature range (C) -40 to 125 Dynamic resistance (Typ) (Ω) 0.03 Clamping voltage (V) 9.5
WSON (DRV) 6 4 mm² 2 x 2
  • Protection Against 2 kV, 42 Ω IEC 61000-4-5 Surge Test for Industrial Signal Lines
  • Max Clamping Voltage of 9.2 V at 43 A of 8/20 µs Surge Current
  • Standoff Voltage: 5 V
  • Tiny 4 mm2 Footprint
  • Survives over 5,000 Repetitive Strikes of 35 A 8/20 µs Surge Current at 125°C
  • Robust Surge Protection:
    • IEC61000-4-5 (8/20 µs): 43 A
    • IEC61643-321 (10/1000 µs): 22 A
  • Low Leakage Current
    • 70 pA typical at 27°C
    • 6.5 nA typical at 85°C
  • Low Capacitance: 155 pF
  • Integrated Level 4 IEC 61000-4-2 ESD Protection
  • Protection Against 2 kV, 42 Ω IEC 61000-4-5 Surge Test for Industrial Signal Lines
  • Max Clamping Voltage of 9.2 V at 43 A of 8/20 µs Surge Current
  • Standoff Voltage: 5 V
  • Tiny 4 mm2 Footprint
  • Survives over 5,000 Repetitive Strikes of 35 A 8/20 µs Surge Current at 125°C
  • Robust Surge Protection:
    • IEC61000-4-5 (8/20 µs): 43 A
    • IEC61643-321 (10/1000 µs): 22 A
  • Low Leakage Current
    • 70 pA typical at 27°C
    • 6.5 nA typical at 85°C
  • Low Capacitance: 155 pF
  • Integrated Level 4 IEC 61000-4-2 ESD Protection

The TVS0500 robustly shunts up to 43 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 2 kV IEC 61000-4-5 open circuit voltage coupled through a 42 Ω impedance. The TVS0500 uses a unique feedback mechanism to ensure precise flat clamping during a fault, assuring system exposure below 10 V. The tight voltage regulation allows designers to confidently select system components with a lower voltage tolerance, lowering system costs and complexity without sacrificing robustness.

In addition, the TVS0500 is available in a small 2 mm × 2 mm SON footprint which is ideal for space constrained applications, offering a 70 percent reduction in size compared to industry standard SMA and SMB packages. The extremely low device leakage and capacitance ensure a minimal effect on the protected line. To ensure robust protection over the lifetime of the product, TI tests the TVS0500 against 5000 repetitive surge strikes at high temperature with no shift in device performance.

The TVS0500 is part of TI’s Flat-Clamp family of surge devices. For more information on the other devices in the family, see the Device Comparison Table

The TVS0500 robustly shunts up to 43 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 2 kV IEC 61000-4-5 open circuit voltage coupled through a 42 Ω impedance. The TVS0500 uses a unique feedback mechanism to ensure precise flat clamping during a fault, assuring system exposure below 10 V. The tight voltage regulation allows designers to confidently select system components with a lower voltage tolerance, lowering system costs and complexity without sacrificing robustness.

In addition, the TVS0500 is available in a small 2 mm × 2 mm SON footprint which is ideal for space constrained applications, offering a 70 percent reduction in size compared to industry standard SMA and SMB packages. The extremely low device leakage and capacitance ensure a minimal effect on the protected line. To ensure robust protection over the lifetime of the product, TI tests the TVS0500 against 5000 repetitive surge strikes at high temperature with no shift in device performance.

The TVS0500 is part of TI’s Flat-Clamp family of surge devices. For more information on the other devices in the family, see the Device Comparison Table

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Technical documentation

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Type Title Date
* Data sheet TVS0500 5-V Flat-Clamp Surge Protection Device datasheet (Rev. C) 19 Nov 2019
Application note ESD and Surge Protection for USB Interfaces 12 Nov 2021
Application note Protecting I/O modules from surge events 04 Feb 2019
Application note TVS Surge Rating: Power vs. Current 12 Nov 2018
White paper Demystifying surge protection 06 Nov 2018
User guide Flat Clamp TVS Evaluation Module—Adaptor Boards 10 Sep 2018
Application note How to select a Surge Diode 29 Aug 2018
Application note Flat-Clamp TVS Layout in SMA/SMB Footprints 03 Apr 2018
Application note TVS Surge Protection in High-Temperature Environments 23 Mar 2018
User guide TVS0500-3300 Evaluation Module—Adaptor Boards User's Guide (Rev. B) 08 Mar 2018
White paper Flat-Clamp surge protection technology for efficient system protection 15 Jan 2018

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

FLAT-CLAMP-TVS-EVM — TVSxx0x precision surge protection diode evaluation module

The FLAT-CLAMP-TVS-EVM (Precision Surge Protection Diode Adaptor Board Evaluation Module) demonstrates the characteristics, operation, and use of the TVSxx0x family of devices. The TVSxx0x family of devices are precision clamps that keep ultra-low and flat clamping voltages during transient (...)
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Simulation model

TVS0500 TINA-TI Transient Spice Model

SLVMCD4.ZIP (12 KB) - TINA-TI Spice Model
Simulation model

TVS0500 TINA-TI Transient Reference Design

SLVMCD5.TSC (132 KB) - TINA-TI Reference Design
Simulation model

TVS0500 PSpice Transient Model

SLVMCE0.ZIP (45 KB) - PSpice Model
Simulation model

TVS0500 IBIS Model

SLVMCE1.ZIP (3 KB) - IBIS Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Reference designs

TIDA-00300 — Isolated power architecture reference design for communication and analog input/output modules

This reference design provides a means to isolate I2C or SPI communication lines. This is often required in grid infrastructure applications such as protection relays and circuit breakers where high voltages are involved. This reference design provides both power isolation and signal isolation.
Reference designs

TIDA-010008 — Flat-Clamp TVS based Reference Design for Protection Against Transient for Grid Applications

This reference design features multiple approaches for  protecting AC or DC analog input, DC analog output, AC or DC binary input, digital output with a high side or low side driver, LCD bias supply, USB interfaces (power and data) and onboard power supplies with 24, 12 or 5V input used in (...)
Reference designs

TIDA-010055 — Non-isolated power architecture with diagnostics reference design for protection relay modules

This reference design showcases non-isolated power supply architectures for protection relays with analog input/output and communication modules generated from 5-, 12-, or 24-V DC input. To generate the power supplies the design uses DC/DC converters with an integrated FET, a power module with an (...)
Reference designs

TIDA-010049 — TUV-assessed digital input reference design for IEC 61508 (SIL-2)

This 8-channel, group-isolated, digital input module reference design, focuses on applications with the need for industrial functional safety. This design has diagnostics implemented to help detect both permanent and transient random hardware faults. The concept of this input module has been (...)
Reference designs

TIDA-010041 — Nano power, wide VIN (12 V max) supervisor reference design used as comparator or power sequencer

This reference design highlights a versatile use case for a low-power reset IC and a watchdog timer. With less than 1-µA current consumption, the TPS3840 device can be configured to work either as a comparator (with simple 3-pin configuration) or as a universal power supply supervisor that (...)
Reference designs

TIDA-00835 — High Accuracy ±0.5% Current and Isolated Voltage Measurement Ref Design Using 24-Bit Delta-Sigma ADC

The TIDA-00835 reference design allows for accurate voltage and current measurement using a bipolar input configuration by incorporating a four- channel, 24-bit simultaneously-sampling differential input Delta-Sigma ADC over wide dynamic range. The ADC is configured to measure ±2.5 V bipolar (...)
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