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TVS1401

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14-V bidirectional flat-clamp surge protection device

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Data sheet

TVS1401

ACTIVE
Data sheet Order now

Product details

Package name DFN3030 Peak pulse power (8/20 μs) (max) (W) 600 IEC 61000-4-5 (A) 30 Vrwm (V) 14 Breakdown voltage (min) (V) 17.1 Bi-/uni-directional Bi-directional Number of channels 1 IO capacitance (typ) (pF) 68 Clamping voltage (V) 20.5
Package name DFN3030 Peak pulse power (8/20 μs) (max) (W) 600 IEC 61000-4-5 (A) 30 Vrwm (V) 14 Breakdown voltage (min) (V) 17.1 Bi-/uni-directional Bi-directional Number of channels 1 IO capacitance (typ) (pF) 68 Clamping voltage (V) 20.5
VSON (DRB) 8 9 mm² 3 x 3
  • Functional safety-capable
  • Protection against 1 kV, 42 Ω IEC 61000-4-5 surge test for industrial signal lines
  • Bidirectional polarity enables protection against bipolar signaling or miswiring conditions
  • Clamping voltage of 20.5 V at 30 A of 8/20 µs surge current
  • Standoff voltage: ±14 V
  • Small 3-mm × 3-mm SON footprint
  • Survives over 5,000 repetitive strikes of 30 A 8/20 µs surge current at 125°C
  • Robust surge protection
    • IEC61000-4-5 (8/20 µs): 30 A
    • IEC61643-321 (10/1000 µs): 6 A
  • Low leakage current
    • 1.1 nA typical at 27°C
    • 260 nA maximum at 85°C
  • Low capacitance: 68 pF
  • Integrated Level 4 IEC 61000-4-2 ESD protection
  • Functional safety-capable
  • Protection against 1 kV, 42 Ω IEC 61000-4-5 surge test for industrial signal lines
  • Bidirectional polarity enables protection against bipolar signaling or miswiring conditions
  • Clamping voltage of 20.5 V at 30 A of 8/20 µs surge current
  • Standoff voltage: ±14 V
  • Small 3-mm × 3-mm SON footprint
  • Survives over 5,000 repetitive strikes of 30 A 8/20 µs surge current at 125°C
  • Robust surge protection
    • IEC61000-4-5 (8/20 µs): 30 A
    • IEC61643-321 (10/1000 µs): 6 A
  • Low leakage current
    • 1.1 nA typical at 27°C
    • 260 nA maximum at 85°C
  • Low capacitance: 68 pF
  • Integrated Level 4 IEC 61000-4-2 ESD protection

The TVS1401 device shunts up to 30 A of IEC 61000-4-5 fault current to protect systems from high power transients or lightning strikes. The device survives the common industrial signal line EMC requirement of 1 kV IEC 61000-4-5 open circuit voltage coupled through a 42-Ω impedance. The TVS1401 uses a feedback mechanism to ensure precise flat clamping during a fault, keeping system exposure lower than traditional TVS diodes. The tight voltage regulation allows designers to confidently select system components with a lower voltage tolerance, lowering system costs and complexity without sacrificing robustness. The TVS1401 has a ±14 V operating range to enable operation in systems that require protection against reverse wiring conditions.

In addition, the TVS1401 is available in a small SON footprint which is designed for space constrained applications, offering a significant size reduction compared to standard SMA and SMB packages. 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 TVS1401 against 5,000 repetitive surge strikes at 125°C with no shift in device performance.

The TVS1401 is part of TI’s Flat-Clamp family of surge devices. For a deeper look at the Flat-Clamp family, refer to Flat-Clamp Surge Protection Technology for Efficient System Protection white paper.

The TVS1401 device shunts up to 30 A of IEC 61000-4-5 fault current to protect systems from high power transients or lightning strikes. The device survives the common industrial signal line EMC requirement of 1 kV IEC 61000-4-5 open circuit voltage coupled through a 42-Ω impedance. The TVS1401 uses a feedback mechanism to ensure precise flat clamping during a fault, keeping system exposure lower than traditional TVS diodes. The tight voltage regulation allows designers to confidently select system components with a lower voltage tolerance, lowering system costs and complexity without sacrificing robustness. The TVS1401 has a ±14 V operating range to enable operation in systems that require protection against reverse wiring conditions.

In addition, the TVS1401 is available in a small SON footprint which is designed for space constrained applications, offering a significant size reduction compared to standard SMA and SMB packages. 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 TVS1401 against 5,000 repetitive surge strikes at 125°C with no shift in device performance.

The TVS1401 is part of TI’s Flat-Clamp family of surge devices. For a deeper look at the Flat-Clamp family, refer to Flat-Clamp Surge Protection Technology for Efficient System Protection white paper.
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Technical documentation

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Type Title Date
* Data sheet TVS1401 14-V Bidirectional Flat-Clamp Surge Protection Device datasheet (Rev. B) PDF | HTML 01 Nov 2021
Application note ESD Packaging and Layout Guide (Rev. B) PDF | HTML 18 Aug 2022
Circuit design Circuit for Protecting ADS124S08 ADC From EOS for RTD Measurement PDF | HTML 24 May 2022
Functional safety information TVS1401 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 27 Sep 2021
Application brief Protecting I/O modules from surge events 04 Feb 2019
Application brief TVS Surge Rating: Power vs. Current 12 Nov 2018
White paper Demystifying surge protection 06 Nov 2018
Application note How to select a Surge Diode 29 Aug 2018
Application brief Flat-Clamp TVS Layout in SMA/SMB Footprints 03 Apr 2018
Application note TVS Surge Protection in High-Temperature Environments 23 Mar 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 (...)
User guide: PDF
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Simulation model

TVS1401 PSpice Transient Model

SLVMCT5.ZIP (52 KB) - PSpice Model
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Reference designs

TIDA-00834 — High Accuracy Analog Front End Using 16-Bit SAR ADC with ±10V Measurement Range Reference Design

The TIDA-00834 reference design accurately measures voltage and current inputs using simultaneously sampled, 16-bit, ±10 V, bipolar input SAR ADC critical to identify power systems malfunction and power quality related failures accurately and quickly. This results in reduced power systems (...)
Design guide: PDF
Schematic: PDF
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 (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-010026 — Robust interface reference design for EnDat2.2 absolute encoders

This reference design demonstrates a robust interface to EnDat 2.2 Encoders. That shows EMC immunity, particularly immunity against fast transients such as inverter switching noise. The Encoder supply voltage is configurable and integrates protection against short circuit to prevent damage due to (...)
Design guide: PDF
Schematic: PDF
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