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Texas Instruments TVS1401DRBR
- Part No.:
- TVS1401DRBR
- Manufacturer:
- Texas Instruments
- Category:
- Surge Suppression Ics
- Package:
- 8-VDFN Exposed Pad
- Datasheet:
-
TVS1401DRBR.pdf
- Description:
- IC BIDIR PRECISION SURGE DIODE
- Quantity:
- Payment:
- Shipping:
Inventory:11,906
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Product details
Overview
TVS1401DRBR from Texas Instruments is a bidirectional flat-clamp transient voltage suppression device designed for industrial signal line protection. It delivers ±14 V standoff voltage, 20.5 V clamping at 30 A (8/20 µs), 68 pF capacitance, and survives 5,000 repetitive 30 A surges at 125°C - enabling robust protection in motor drives, sensor I/O, and 12 V power lines.
For engineers reviewing the TVS1401DRBR datasheet, TVS1401DRBR pinout, TVS1401DRBR application, or TVS1401DRBR equivalent, key selection criteria include bidirectional ±14 V operation, flat-clamp precision under surge stress, low leakage (1.1 nA @ 27°C), IEC 61000-4-5/4-2/4-4 compliance, and SON-8 thermal-pad layout requirements.
Technical Context
The TVS1401DRBR employs an active feedback-controlled dual-FET architecture to achieve flat clamping with 70 mΩ dynamic resistance - unlike passive TVS diodes - ensuring stable 20.5 V clamping across temperature and current. Its symmetrical ±14 V operating range supports bipolar signaling and reverse-wiring fault tolerance.
It integrates Level 4 IEC 61000-4-2 ESD (±8 kV contact), 80 A IEC 61000-4-4 EFT, and passes 1 kV IEC 61000-4-5 surge via 42 Ω coupling impedance - all validated from –40°C to +125°C with zero derating of surge capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Standoff Voltage | ±14 V - enables safe operation with bipolar analog signals and reverse-wiring resilience |
| Clamp Voltage | 20.5 V at 30 A (8/20 µs) - limits downstream IC exposure below ±20 V absolute max ratings |
| Surge Rating | ±30 A IEC 61000-4-5 (8/20 µs), ±6 A IEC 61643-321 (10/1000 µs) - meets industrial EMC immunity standards |
| Leakage Current | 1.1 nA typical @ ±14 V, 27°C - minimizes power loss and signal offset in high-impedance circuits |
| Capacitance | 68 pF @ 1 MHz, ±14 V - preserves signal integrity in high-speed analog and ADC front-ends |
| ESD Protection | IEC 61000-4-2 Level 4 (±8 kV contact / ±15 kV air) - eliminates need for external ESD components |
| Operating Temp | –40°C to +125°C - supports deployment in harsh industrial environments without performance degradation |
Pinout & Package
TVS1401DRBR uses an 8-pin SON (DRB) package with 3.00 mm × 3.00 mm body size and an exposed floating thermal pad. The package is optimized for space-constrained PCB layouts and requires no ground connection on the thermal pad to maintain full ±14 V bidirectional operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN (Pins 1–4) | Surge-protected channel input | Connected directly to protected signal line; handles bidirectional ±30 A surge current |
| GND (Pins 5–8) | Ground reference | Provides low-inductance return path for surge current; must be tied to system ground plane |
| Exposed Pad | Thermal pad | Must remain electrically floating - grounding it compromises negative-voltage operation and causes failure |
Key Features
| Feature | Design Value |
|---|---|
| Flat-Clamp feedback regulation | 70 mΩ dynamic resistance ensures <±0.5 V clamping variation across 10–30 A surge currents |
| Bidirectional symmetry | Identical ±14 V standoff and ±20.5 V clamping enable single-device protection for AC-coupled or miswired systems |
| High-temp reliability | Validated for 5,000 cycles of 30 A surge at 125°C with zero parametric shift - no derating required |
| Low-interference design | 68 pF capacitance and 1.1 nA leakage prevent loading of precision analog inputs like ADS8689 ADCs |
| Integrated multi-standard protection | Single device satisfies IEC 61000-4-2 (ESD), -4-4 (EFT), and -4-5 (surge) - reduces BOM count and layout area |
Applications
| Industrial Sensor I/O | Solid State Drives |
|---|---|
Use Scenario: Protecting 4–20 mA or ±10 V analog inputs in PLC modules against lightning-induced surges on factory floor wiring. IC Role / Device Role / Timing Role: Bidirectional clamping device placed at connector entry point to shunt transients before reaching ADC or isolator. Use Value: Limits voltage to ≤20.5 V during 30 A surges - keeping inputs within ±20 V absolute max of ADS8689 while adding only 68 pF loading. | Use Scenario: Safeguarding SATA or PCIe power rails and sideband signals in enterprise SSDs against hot-swap ESD and board-level EFT. IC Role / Device Role / Timing Role: Low-capacitance transient suppressor on 12 V VCC and SMBus lines to prevent latch-up during insertion events. Use Value: Delivers ±8 kV IEC 61000-4-2 ESD protection and 80 A EFT immunity without distorting high-speed control signaling. |
| Motor Drives | 12 V Power Lines |
Use Scenario: Shielding encoder feedback lines and current-sense amplifier inputs in servo drives from commutation noise and ground bounce. IC Role / Device Role / Timing Role: Flat-clamp TVS placed adjacent to connectors to suppress fast-rising common-mode transients induced by IGBT switching. Use Value: Maintains 20.5 V clamping even at 125°C ambient - preventing false triggering of overvoltage protection in high-temperature enclosures. | Use Scenario: Adding secondary surge protection on 12 V DC input rails of industrial HMIs and programmable logic controllers. IC Role / Device Role / Timing Role: Standoff-rated protector that remains inactive during normal 12 V operation but clamps >14 V faults to safe levels. Use Value: Survives repeated 30 A surges without degradation - eliminating field failures caused by degraded TVS performance after multiple lightning strikes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TVS1400DRVR | Unidirectional; 18.6 V clamp at 43 A; 3.0 × 3.0 mm SON-6 package | Only suitable for positive-only 12 V rail protection; cannot handle reverse polarity or bipolar signals | Select when protecting DC-only lines where cost-per-amp is prioritized and bidirectionality is unnecessary |
| TVS0701DRBR | Bidirectional; 7 V standoff; 11 V clamp at 30 A; same SON-8 package | Optimized for 5 V systems (e.g., USB, digital I/O); insufficient standoff for 12 V analog lines | Choose for lower-voltage interfaces requiring tighter clamping margin, not for ±14 V signal paths |
Compared with TVS1401DRBR, TVS1400DRVR offers higher surge current but lacks reverse-polarity support, while TVS0701DRBR provides lower clamping voltage at the expense of reduced standoff - making TVS1401DRBR the only option meeting ±14 V bidirectional protection with flat-clamp precision in a standard SON-8 footprint.
Availability
TVS1401DRBR is available at Aetrix Electronics and suitable for industrial sensor I/O, motor drive feedback circuits, and 12 V power line protection requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for automotive-qualified production programs.
Supply support for TVS1401DRBR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company delivering analog, embedded processing, and power management solutions for industrial, automotive, and communications markets.
The TVS1401DRBR belongs to TI's Flat-Clamp family - engineered specifically for precision surge suppression in high-reliability industrial signal chains where traditional TVS diodes fail due to voltage drift and thermal derating.
FAQ
What is the maximum surge current rating for TVS1401DRBR per IEC 61000-4-5?
The TVS1401DRBR is rated for ±30 A of 8/20 µs surge current per IEC 61000-4-5, verified at both 27°C and 125°C with no performance shift after 5,000 repetitive pulses. This rating applies to the full ±14 V operating range and is supported by TI's published test data in SLVSEQ2B.
Does TVS1401DRBR require a grounded thermal pad?
No - the exposed thermal pad on TVS1401DRBR must remain electrically floating. Grounding it impairs negative-voltage operation and can cause catastrophic failure during reverse-polarity conditions. Layout guidelines explicitly require NC (no connection) for the thermal pad to preserve full ±14 V bidirectional functionality.
How does TVS1401DRBR differ from standard TVS diodes in clamping behavior?
Unlike passive TVS diodes, TVS1401DRBR uses an active feedback loop and dual-FET structure to deliver flat clamping - maintaining 20.5 V ±0.5 V across 10–30 A surge currents and –40°C to +125°C. Standard diodes exhibit significant voltage rise with current and temperature, whereas TVS1401DRBR's 70 mΩ dynamic resistance ensures predictable, low-stress protection.
Can TVS1401DRBR protect analog signals without degrading accuracy?
Yes - TVS1401DRBR adds only 68 pF capacitance and 1.1 nA leakage at ±14 V, 27°C, making it suitable for precision analog paths like ADS8689 ADC inputs. Its low capacitance avoids THD attenuation seen with legacy SMBJ devices (1500 pF), and its flat clamping prevents overshoot beyond ±20 V - preserving signal fidelity and IC reliability.
What ESD and EFT standards does TVS1401DRBR meet out-of-the-box?
TVS1401DRBR integrates Level 4 IEC 61000-4-2 ESD protection (±8 kV contact, ±15 kV air), 80 A IEC 61000-4-4 EFT immunity, and 30 A IEC 61000-4-5 surge capability - all validated across its full –40°C to +125°C operating range. No external components are needed to pass these tests when properly laid out.
TVS1401DRBR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 8-VDFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Clamping:
- 14V
- Technology:
- Internal Switch
- Number of Circuits:
- 2
- Applications:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SON (3x3)
TVS1401DRBR FAQ
1.How can I place an order for TVS1401DRBR through Aetrix?
Please submit a Request for Quotation (RFQ) for TVS1401DRBR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TVS1401DRBR reliable?
The price and inventory of TVS1401DRBR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TVS1401DRBR is usually 5 days.
3.What payment methods are accepted for TVS1401DRBR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TVS1401DRBR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TVS1401DRBR?
TVS1401DRBR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TVS1401DRBR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TVS1401DRBR?
For technical support, including TVS1401DRBR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TVS1401DRBR requirements.
6.How does Aetrix verify that TVS1401DRBR is sourced from the original manufacturer or authorized distributors?
All TVS1401DRBR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TVS1401DRBR meets industry standards.
7.What is the process for return or replacement of TVS1401DRBR?
All TVS1401DRBR units undergo pre-shipment inspection (PSI). If there is an issue with TVS1401DRBR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TVS1401DRBR part is unused and in its original packaging.
Return procedure for TVS1401DRBR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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