Semtech Corporation GS12150-INTE3Z

Overview

GS12150-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 stable 27.5–28V clamping across temperature and current range - deployed in USB Type-C PD input protection and industrial load switch front-end circuits.

For engineers reviewing the GS12150-INTE3Z datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability under surge, low dynamic resistance (<20 mΩ), junction capacitance (175 pF), and DFN 1.6×1.6mm 6-lead package compatibility with high-density USB and IoT layouts.

Technical Context

The GS12150-INTE3Z 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 due to decreasing R_DS(on) under increasing transient current.

It operates across –40°C to +125°C, maintains ≤600 nA reverse leakage at 22V, and achieves 1120W peak pulse power handling. Its functional architecture separates trigger threshold (≈27V breakdown) from conduction path, enabling predictable protection behavior independent of ambient temperature or surge magnitude.

Key Specifications

Pinout & Package

GS12150-INTE3Z is housed in a RoHS-compliant DFN 1.6 mm × 1.6 mm × 0.55 mm 6-lead package with exposed thermal pad (no internal thermal pad required; energy dissipated in silicon).

Key Features

Applications

Equivalent & Alternatives

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

Compared with TDS2211P.C, GS12150-INTE3Z is a direct manufacturer-confirmed alternate with identical performance and footprint; compared with uClamp2411ZA, it provides 67% higher surge current capacity and 2.5× lower clamping voltage - making it the sole suitable choice for 22V power rail EOS hardening.

Availability

GS12150-INTE3Z is available at Aetrix Electronics and suitable for USB Type-C PD interfaces, industrial load switch inputs, and IoT edge node power supplies requiring stable component supply and guaranteed long-term availability.

Supply support for GS12150-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 ICs for precision protection, sensing, and connectivity.

The GS12150-INTE3Z belongs to Semtech's Transient Diverting Suppressor (TDS) product line - engineered specifically to replace conventional TVS diodes in high-reliability 22V power rail protection where clamping stability and temperature independence are critical.

FAQ

What is the exact function of GS12150-INTE3Z in a circuit?

The GS12150-INTE3Z functions as a transient diverting suppressor that actively shunts high-energy EOS events-such as ESD, lightning surges, or inductive switching spikes-to ground using an integrated surge-rated FET. Unlike passive TVS diodes, GS12150-INTE3Z maintains a near-constant clamping voltage of 27.5–28 V across its full 40A surge rating and operating temperature range, ensuring predictable protection behavior in demanding applications like USB-C PD and industrial power inputs.

Is GS12150-INTE3Z pin-compatible with standard TVS diodes in DFN packages?

No, GS12150-INTE3Z is not pin-compatible with standard unidirectional or bidirectional TVS diodes. It uses a 6-pin DFN configuration with three dedicated GND pins (1–3) and three parallel IN pins (4–6) to maximize surge current handling and minimize parasitic inductance. Standard 2-pin or 3-pin TVS devices cannot replicate this layout or current-sharing architecture, and substituting them would compromise surge robustness and thermal performance.

Does GS12150-INTE3Z require external bias or control signals to operate?

No, GS12150-INTE3Z operates autonomously without any external bias, enable signals, or configuration. Its internal precision trigger circuit monitors voltage across the IN-to-GND path and activates the shunt FET only during overvoltage transients. In normal operation-up to its 22V working voltage-it draws less than 600 nA leakage current and imposes no loading on the protected line, making it ideal for always-on power rail protection.

Can GS12150-INTE3Z be used on high-speed data lines such as USB SuperSpeed or PCIe?

No, GS12150-INTE3Z is not suitable for high-speed data lines. With a junction capacitance of 175 pF at 22V, it would severely degrade signal integrity on differential pairs operating above ~100 Mbps. It is expressly designed for DC-coupled power rails and low-frequency I/O lines. For USB SuperSpeed, DP/DM, or PCIe lanes, Semtech recommends low-capacitance solutions like RClamp3371ZC (<0.25 pF), which are engineered for signal integrity preservation.

How does GS12150-INTE3Z perform at elevated temperatures like +125°C?

GS12150-INTE3Z maintains full specification compliance at +125°C: clamping voltage remains stable at 27.5–28 V (vs. rising clamping in conventional TVS), dynamic resistance holds at 20 mΩ, and reverse leakage stays ≤600 nA. This thermal stability is confirmed in the datasheet's "Clamping Voltage vs. Temperature" and "Peak Pulse Current vs. Temperature" curves - enabling reliable deployment in automotive engine bays, industrial control cabinets, and outdoor IoT enclosures without derating.