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Home > Products > Integrated Circuits (ICs) > Linear > Video Processing

Semtech Corporation GS3471-IBTE3Z

Name: GS3471-IBTE3Z
Brand: Semtech Corporation
SKU: GS3471-IBTE3Z
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: GS3471-IBTE3Z

Manufacturer:: Semtech Corporation

Category:: Video Processing

Package:: 100-LFBGA

Datasheet:: GS3471-IBTE3Z.pdf

Description:: GS3471 3G,HD,SD SDI REC+EQ

Quantity:: RFQ Add To RFQ list

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Product details

Overview

GS3471-IBTE3Z from Semtech is a Transient Diverting Suppressor (TDS) designed for high-energy EOS protection of 22V-rated power or I/O lines. It delivers ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), and a stable 27.5–28V clamping voltage across its full current and temperature range (−40°C to +125°C). It is deployed in USB Type-C PD input protection and industrial load switch front-end circuits.

For engineers reviewing the GS3471-IBTE3Z datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability under surge, low dynamic resistance (20 mΩ), junction capacitance (175 pF at 22V), thermal robustness up to +125°C, and DFN 1.6×1.6mm package compatibility with high-density USB and IoT layouts.

Technical Context

The GS3471-IBTE3Z uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit upon detection of overvoltage. Unlike conventional TVS diodes, its clamping voltage remains nearly constant-27.5–28V-across 24A to 40A surge currents due to decreasing R_DS(on) under stress.

It operates with reverse stand-off voltage (V_RWM) of 22V, breakdown voltage (V_BR) of 25–27.9V, and exhibits only 130–600 nA leakage at V_RWM. Its 175 pF junction capacitance at 22V and 1 MHz enables use on moderate-speed power/data lines without signal integrity degradation.

Key Specifications

Parameter	Value and Actual Design Meaning
Working Voltage	22V - defines maximum continuous DC or RMS operating voltage on protected line
Clamping Voltage	27.5–28V at 40A (8/20μs) - ensures downstream ICs (e.g., USB PD controllers) remain below damage threshold
Peak Pulse Current	40A (8/20μs) - meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment
ESD Withstand	±30kV contact & air (IEC 61000-4-2) - exceeds USB IF and industrial ESD requirements
Dynamic Resistance	20 mΩ - enables low-voltage drop during conduction, minimizing energy dissipation in silicon
Junction Capacitance	175 pF at 22V, 1 MHz - suitable for USB PD bus and load switch inputs, not superspeed data lanes
Operating Temperature	−40°C to +125°C - supports extended-range industrial and automotive under-hood environments

Pinout & Package

GS3471-IBTE3Z is housed in a Pb-free, RoHS-compliant DFN package measuring 1.6 mm × 1.6 mm × 0.55 mm with 6 leads and UL 94V-0 molding compound.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3	GND	Common ground return path for surge current; all three must be connected to maximize current handling and minimize inductance
4, 5, 6	IN	Protected line input (e.g., VBUS or load switch VIN); parallel connection ensures uniform current sharing and optimal clamping performance

Key Features

Feature	Design Value
FET-based transient shunt	Replaces traditional TVS with active switching: clamping voltage stays flat vs. current/temperature instead of rising linearly
Stable clamping across temperature	27.5–28V clamping maintained from −40°C to +125°C - eliminates derating uncertainty in thermal design
Low dynamic resistance	20 mΩ enables efficient energy diversion with minimal self-heating during 40A surges
High EFT immunity	±4kV per IEC 61000-4-4 (5/50 ns, 5 kHz & 100 kHz) - protects against repetitive fast transients in motor drives and PLCs
Space-efficient packaging	1.6×1.6mm DFN saves >50% board area vs. SOT-23 or SOIC alternatives while supporting 40A surge rating

Applications

USB Type-C Power Delivery Protection	Industrial Load Switch Input Protection
Use Scenario: Protecting the VBUS line of a USB Type-C port supporting up to 20V/5A PD negotiation against lightning-induced surges and connector ESD. IC Role / Device Role / Timing Role: Primary front-end EOS suppressor placed between connector and PD controller or load switch. Use Value: Maintains 27.5–28V clamping at 40A and 125°C - avoids overvoltage damage to sensitive PD PHYs where standard TVS would exceed 38V.	Use Scenario: Front-end protection of high-side load switches (e.g., HS2950P) in remote meters, robotics, and factory automation systems exposed to 1 kV/42 Ω surges. IC Role / Device Role / Timing Role: Surge shunt that limits voltage across load switch input FET drain-source during transients. Use Value: Prevents gate oxide rupture and latch-up in load switches by holding clamping voltage well below their absolute max rating (typically 30–36V).
IoT Edge Node Power Bus Protection	Storage Device DC Power Rail Protection
Use Scenario: Securing 22V-capable power rails in battery-backed industrial IoT gateways subjected to ESD during field servicing and conducted surges via long sensor cables. IC Role / Device Role / Timing Role: Single-device solution for combined ESD, EFT, and surge immunity on main supply input. Use Value: Eliminates need for multi-stage protection (TVS + MOV + filter) - reduces BOM count and layout complexity while meeting IEC 61000-4-2/4-4/4-5.	Use Scenario: Protecting 22V auxiliary rails in NVMe SSD enclosures and enterprise storage backplanes from hot-plug transients and system-level surges. IC Role / Device Role / Timing Role: Standalone transient suppressor on 22V VCC rail feeding PMICs or flash controller power domains. Use Value: 175 pF capacitance avoids resonance or signal distortion on low-noise analog supplies, unlike higher-capacitance polymer TVS solutions.

USB Type-C Power Delivery Protection

Industrial Load Switch Input Protection

Use Scenario: Protecting the VBUS line of a USB Type-C port supporting up to 20V/5A PD negotiation against lightning-induced surges and connector ESD.

IC Role / Device Role / Timing Role: Primary front-end EOS suppressor placed between connector and PD controller or load switch.

Use Value: Maintains 27.5–28V clamping at 40A and 125°C - avoids overvoltage damage to sensitive PD PHYs where standard TVS would exceed 38V.

Use Scenario: Front-end protection of high-side load switches (e.g., HS2950P) in remote meters, robotics, and factory automation systems exposed to 1 kV/42 Ω surges.

IC Role / Device Role / Timing Role: Surge shunt that limits voltage across load switch input FET drain-source during transients.

Use Value: Prevents gate oxide rupture and latch-up in load switches by holding clamping voltage well below their absolute max rating (typically 30–36V).

IoT Edge Node Power Bus Protection

Storage Device DC Power Rail Protection

Use Scenario: Securing 22V-capable power rails in battery-backed industrial IoT gateways subjected to ESD during field servicing and conducted surges via long sensor cables.

IC Role / Device Role / Timing Role: Single-device solution for combined ESD, EFT, and surge immunity on main supply input.

Use Value: Eliminates need for multi-stage protection (TVS + MOV + filter) - reduces BOM count and layout complexity while meeting IEC 61000-4-2/4-4/4-5.

Use Scenario: Protecting 22V auxiliary rails in NVMe SSD enclosures and enterprise storage backplanes from hot-plug transients and system-level surges.

IC Role / Device Role / Timing Role: Standalone transient suppressor on 22V VCC rail feeding PMICs or flash controller power domains.

Use Value: 175 pF capacitance avoids resonance or signal distortion on low-noise analog supplies, unlike higher-capacitance polymer TVS solutions.

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient suppression applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TDS2211P.C	Identical electrical specs, same DFN 1.6×1.6mm package, identical marking (T22), and same tape-and-reel packaging (3,000/reel)	No functional difference; TDS2211P.C is Semtech's official orderable part number for this device	Select GS3471-IBTE3Z only if sourced through authorized distribution channels requiring traceable lot codes; otherwise TDS2211P.C is functionally identical and widely stocked
uClamp2411ZA	24V working voltage, lower 20A IPP rating, 12 pF capacitance, SOD-323 package - optimized for CC/SBU lines, not power rails	Designed for low-capacitance data/control line protection, not 22V power bus clamping	Not interchangeable: uClamp2411ZA lacks required 40A surge rating and thermal stability for VBUS/load switch use

Compared with GS3471-IBTE3Z, TDS2211P.C offers identical performance and form factor with guaranteed Semtech traceability, while uClamp2411ZA serves a different application tier-low-capacitance signal-line protection-and cannot replace GS3471-IBTE3Z in power-rail roles.

Availability

GS3471-IBTE3Z is available at Aetrix Electronics and suitable for USB Type-C PD designs, industrial load switch interfaces, and IoT edge node power bus protection requiring stable component supply, consistent surge performance, and RoHS-compliant packaging.

Supply support for GS3471-IBTE3Z 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

Semtech Corporation is a U.S.-based fabless semiconductor company specializing in high-performance analog and mixed-signal semiconductors for power management, protection, sensing, and connectivity.

The Transient Diverting Suppressor (TDS) product line was developed to overcome clamping voltage drift and thermal derating limitations of conventional TVS diodes-enabling reliable, single-device EOS protection for 20–30V power rails in demanding industrial and USB ecosystems.

FAQ

What is the maximum continuous operating voltage for GS3471-IBTE3Z?

The GS3471-IBTE3Z has a reverse stand-off voltage (V_RWM) of 22V, meaning it is rated for continuous DC or RMS operation up to 22V. Exceeding this voltage risks premature conduction or accelerated aging. This rating aligns with USB PD 3.0 VBUS levels and industrial 24V nominal systems with tolerance margins.

How does GS3471-IBTE3Z differ from standard TVS diodes in clamping behavior?

Unlike standard TVS diodes whose clamping voltage rises linearly with peak current (V_C = V_BR + I_PP × R_DYN), the GS3471-IBTE3Z uses an actively triggered FET to maintain a near-constant clamping voltage of 27.5–28V from 24A to 40A and across −40°C to +125°C - eliminating thermal and current-dependent uncertainty in protection design.

Can GS3471-IBTE3Z be used on USB SuperSpeed differential pairs?

No. The GS3471-IBTE3Z has 175 pF junction capacitance at 22V, which is too high for USB 3.x/PCIe high-speed data lanes requiring sub-0.3 pF solutions. It is intended for VBUS, CC, SBU, or load switch power inputs-not TX/RX or SSTX/SSRX lines. For those, Semtech recommends RClamp3371ZC (0.18 pF).

What is the recommended PCB layout for optimal surge performance of GS3471-IBTE3Z?

Place GS3471-IBTE3Z as close as possible to the protected connector. Connect all three IN pins (4, 5, 6) with a single low-inductance trace, and tie all three GND pins (1, 2, 3) directly to a solid ground plane using multiple vias. Avoid thermal relief on GND pads and minimize trace length to reduce parasitic inductance that could elevate clamping voltage during fast transients.

Is GS3471-IBTE3Z compliant with RoHS and halogen-free standards?

Yes. GS3471-IBTE3Z is Pb-free, halogen-free, and fully compliant with RoHS and WEEE directives. Its molding compound meets UL 94V-0 flammability rating, and lead finish is lead-free - satisfying environmental and safety requirements for industrial, computing, and consumer electronics manufacturing.

GS3471-IBTE3Z Specifications

Product attributes: Attribute value

Manufacturer:: Semtech Corporation

Series:: -

Package/Case:: 100-LFBGA

Packaging:: Tape & Reel (TR)

Product Status:: Active

Function:: Equalizer

Applications:: Professional Video

Standards:: DVB-ASI, SMPTE

Control Interface:: GSPI

Voltage - Supply:: 1.71V ~ 1.89V, 2.38V ~ 2.63V

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

Supplier Device Package:: 100-LBGA (9x9)

GS3471-IBTE3Z FAQ

1.How can I place an order for GS3471-IBTE3Z through Aetrix?

Please submit a Request for Quotation (RFQ) for GS3471-IBTE3Z 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 GS3471-IBTE3Z reliable?

The price and inventory of GS3471-IBTE3Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GS3471-IBTE3Z is usually 5 days.

3.What payment methods are accepted for GS3471-IBTE3Z?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GS3471-IBTE3Z transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for GS3471-IBTE3Z?

GS3471-IBTE3Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your GS3471-IBTE3Z 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 GS3471-IBTE3Z?

For technical support, including GS3471-IBTE3Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GS3471-IBTE3Z requirements.

6.How does Aetrix verify that GS3471-IBTE3Z is sourced from the original manufacturer or authorized distributors?

All GS3471-IBTE3Z 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 GS3471-IBTE3Z meets industry standards.

7.What is the process for return or replacement of GS3471-IBTE3Z?

All GS3471-IBTE3Z units undergo pre-shipment inspection (PSI). If there is an issue with GS3471-IBTE3Z, 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 GS3471-IBTE3Z part is unused and in its original packaging.

Return procedure for GS3471-IBTE3Z:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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