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Semtech Corporation GS12181-INTE3Z
- Part No.:
- GS12181-INTE3Z
- Manufacturer:
- Semtech Corporation
- Category:
- Video Processing
- Package:
- -
- Datasheet:
-
GS12181-INTE3Z.pdf
- Description:
- 12G UHD-SDI RETIMING CABLE DRIVE
- Quantity:
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Inventory:4,770
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Product details
Overview
GS12181-INTE3Z 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 temperature and current range. It is deployed in USB Type-C PD bus protection where low, temperature-invariant clamping prevents damage to 20V-tolerant controllers.
For engineers reviewing the GS12181-INTE3Z datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability over 40A surge current, DFN-6 thermal and layout performance, 22V working voltage compliance, and compatibility with industrial surge standards (±1kV, 1.2/50μs + 8/20μs).
Technical Context
The GS12181-INTE3Z uses a surge-rated FET as its primary protection element, activated by a precision trigger circuit that senses overvoltage events. Unlike conventional TVS diodes, its clamping voltage remains nearly constant due to decreasing RDS(on) under surge-achieving dynamic resistance of just 20mΩ at 8/20μs.
It operates across –40°C to +125°C with reverse stand-off voltage of 22V, breakdown voltage of 25–27.9V, and junction capacitance of 175pF at 22V/1MHz. Its functional architecture enables stable protection without thermal derating penalties typical of pn-junction TVS devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22V - matches nominal USB PD bus voltage and ensures no leakage or conduction during normal operation. |
| Clamping Voltage | 27.5–28V at 40A (8/20μs) - stays within safe margin below 30V damage threshold of common PD controllers. |
| ESD Rating | ±30kV contact & air (IEC 61000-4-2) - exceeds industrial and consumer ESD immunity requirements. |
| Peak Pulse Current | 40A (8/20μs) - meets IEC 61000-4-5 Level 4 surge immunity for industrial equipment interfaces. |
| Dynamic Resistance | 20mΩ - enables minimal voltage rise under surge, critical for maintaining low clamping across current range. |
| Junction Capacitance | 175pF at 22V/1MHz - compatible with DC power rails and low-speed control lines; not intended for high-speed data lanes. |
Pinout & Package
GS12181-INTE3Z is housed in a RoHS-compliant, halogen-free DFN package measuring 1.6mm × 1.6mm × 0.55mm with 6 leads and UL 94V-0 molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | GND | Common ground return path for surge current; all three must be connected to maximize current handling and minimize parasitic inductance. |
| Pins 4, 5, 6 | IN | Protected line input (e.g., VBUS); parallel connection provides low-inductance path to GND during EOS events. |
Key Features
| Feature | Design Value |
|---|---|
| Constant clamping voltage | Maintains 27.5–28V across 24–40A surge range and –40°C to +125°C - eliminates thermal derating design uncertainty. |
| Surge-rated FET protection | Replaces traditional TVS diode with low-RDS(on) shunt switch - reduces clamping voltage by ~10V vs. comparable TVS at 125°C. |
| High-energy transient handling | Rated for 1120W peak pulse power (8/20μs) - supports robust protection in industrial and automotive power rail applications. |
| Low leakage & high impedance standby | 600nA max reverse leakage at 22V - avoids loading of sensitive 22V supply rails during normal operation. |
Applications
| USB Type-C Power Delivery Bus Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting 20V–22V USB PD VBUS lines against lightning-induced surges and connector ESD events in portable docking stations. IC Role / Device Role / Timing Role: Transient Diverting Suppressor placed at connector entry point to shunt EOS energy to ground before reaching PD controller IC. Use Value: Prevents permanent damage to USB PD controllers by clamping transients to ≤28V - well below their 30V absolute maximum rating - across full temperature range. |
Use Scenario: Safeguarding enable and input pins of industrial-grade load switches (e.g., HS2950P) exposed to field wiring transients in remote meters and robotics. IC Role / Device Role / Timing Role: Primary front-end surge suppressor on VIN or EN lines, absorbing up to 40A surges before internal FET gate oxide failure. Use Value: Extends load switch lifetime by limiting voltage stress on gate drivers and pass FETs during ±1kV (1.2/50μs) industrial surge events. |
| IoT Edge Node Power Rail Protection | Notebook/Tablet DC Power Input Protection |
Use Scenario: Securing 22V auxiliary power inputs in battery-backed IoT gateways subjected to EFT bursts and cable discharge events. IC Role / Device Role / Timing Role: Solid-state EOS protector replacing bulkier MOV+TVS stacks on 22V system rails. Use Value: Delivers 4kV EFT immunity (IEC 61000-4-4) with 1.6mm² footprint - enabling compact, reliable protection in space-constrained edge nodes. |
Use Scenario: Hardening 20V DC-in ports of ultrabooks and tablets against accidental adapter misconnection and AC-coupled surge coupling. IC Role / Device Role / Timing Role: Standalone transient suppressor on main DC input rail upstream of buck converters and battery charge management ICs. Use Value: Ensures system-level IEC 61000-4-5 compliance without requiring additional series impedance or thermal management overhead. |
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-6 package, identical marking code T22; differs only in reel quantity (3,000 pcs vs. GS12181-INTE3Z's unspecified quantity). | Same use cases: USB PD, load switch, industrial 22V rail protection. | Select TDS2211P.C when standard Semtech reel packaging is required; GS12181-INTE3Z may reflect alternate distribution channel or tape configuration. |
| uClamp2411ZA | 24V working voltage, lower 20A IPP rating, higher 30V clamping, smaller 0.65mm × 0.65mm DFN-2 package. | Better suited for CC/SBU lines in USB-C; insufficient for 40A VBUS protection. | Use uClamp2411ZA only for low-current signal lines - not a functional replacement for GS12181-INTE3Z on power rails. |
Compared with TDS2211P.C, GS12181-INTE3Z offers identical protection performance but may differ in logistics packaging; versus uClamp2411ZA, it provides 2× peak current capability and 2.5V lower clamping - making it the sole suitable option for 22V power rail EOS hardening.
Availability
GS12181-INTE3Z is available at Aetrix Electronics and suitable for USB Type-C PD systems, industrial load switch interfaces, and IoT edge node power rails requiring stable component supply with guaranteed long-term continuity.
Supply support for GS12181-INTE3Z 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, and signal integrity.
The Transient Diverting Suppressor (TDS) product line was developed to replace conventional TVS diodes in high-reliability power rail protection, delivering stable clamping and superior surge endurance for industrial, computing, and USB-C infrastructure.
FAQ
What is the maximum operating temperature for GS12181-INTE3Z?
The GS12181-INTE3Z is rated for continuous operation from –40°C to +125°C ambient temperature. Its clamping voltage remains stable across this full range, with no derating required up to 125°C - a key advantage over conventional TVS diodes whose clamping rises with temperature. This makes GS12181-INTE3Z especially suitable for thermally demanding industrial and automotive-adjacent applications.
Does GS12181-INTE3Z require external components for basic operation?
No, GS12181-INTE3Z is a fully self-contained transient suppressor requiring no external resistors, capacitors, or bias networks. It operates as a two-terminal device: Pins 4–6 connect to the protected line (e.g., VBUS), and Pins 1–3 connect to system ground. Layout best practice mandates short, low-inductance traces and multiple vias to ground plane - but no active or passive external components are needed for functional protection.
Can GS12181-INTE3Z be used on high-speed data lines like USB SuperSpeed or PCIe?
No, GS12181-INTE3Z is not suitable for high-speed data lines. With 175pF junction capacitance at 22V, it would severely degrade signal integrity on differential pairs operating above ~100MHz. It is specifically designed for DC power rails and low-speed control lines (e.g., USB-C CC, load switch EN). For SuperSpeed lanes, Semtech recommends low-capacitance devices like RClamp3371ZC (<0.25pF).
How does GS12181-INTE3Z compare to standard TVS diodes in clamping behavior?
Unlike standard TVS diodes - whose clamping voltage rises linearly with peak pulse current (VC = VBR + IPP × RDYN) and increases with temperature - GS12181-INTE3Z maintains a near-constant 27.5–28V clamp from 24A to 40A and across –40°C to +125°C. This results from its FET-based architecture and sub-20mΩ dynamic resistance, eliminating thermal uncertainty in surge design margins.
Is GS12181-INTE3Z RoHS and REACH compliant?
Yes, GS12181-INTE3Z is Pb-free, halogen-free, and fully compliant with RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Its molding compound meets UL 94V-0 flammability rating, and lead finish is lead-free per J-STD-609. Compliance documentation is available through Semtech's official product portal and authorized distributors.
GS12181-INTE3Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Function:
- -
- Applications:
- -
- Standards:
- -
- Control Interface:
- -
- Voltage - Supply:
- -
- Mounting Type:
- -
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- -
GS12181-INTE3Z FAQ
1.How can I place an order for GS12181-INTE3Z through Aetrix?
Please submit a Request for Quotation (RFQ) for GS12181-INTE3Z 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 GS12181-INTE3Z reliable?
The price and inventory of GS12181-INTE3Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GS12181-INTE3Z is usually 5 days.
3.What payment methods are accepted for GS12181-INTE3Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GS12181-INTE3Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GS12181-INTE3Z?
GS12181-INTE3Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GS12181-INTE3Z 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 GS12181-INTE3Z?
For technical support, including GS12181-INTE3Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GS12181-INTE3Z requirements.
6.How does Aetrix verify that GS12181-INTE3Z is sourced from the original manufacturer or authorized distributors?
All GS12181-INTE3Z 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 GS12181-INTE3Z meets industry standards.
7.What is the process for return or replacement of GS12181-INTE3Z?
All GS12181-INTE3Z units undergo pre-shipment inspection (PSI). If there is an issue with GS12181-INTE3Z, 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 GS12181-INTE3Z part is unused and in its original packaging.
Return procedure for GS12181-INTE3Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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