Semtech Corporation JANS1N6102AUS

Overview

JANS1N6102AUS from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 22V-rated power or I/O lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping voltage at 40A, and 20mΩ dynamic resistance. It protects USB Type-C power delivery buses, load switch inputs, and industrial interfaces where stable clamping under temperature and current stress is critical.

For engineers reviewing the JANS1N6102AUS datasheet, pinout, applications, or equivalent options, key selection criteria include its constant-clamp FET-based architecture, DFN 1.6×1.6mm 6-lead package with triple parallel input/ground terminals, 175pF junction capacitance at 22V, and compliance with IEC 61000-4-4 (±4kV EFT) and IEC 61000-4-5 (±1kV surge).

Technical Context

The JANS1N6102AUS implements a precision-triggered shunt FET architecture-unlike conventional TVS diodes-where a dedicated trigger circuit activates a low-R_DS(on) FET during overvoltage events. This yields near-constant clamping voltage across 24–40A peak pulse current and −40°C to +125°C operating temperature.

It operates as a bidirectional, single-line protector with 22V reverse stand-off voltage (V_RWM) and 25–27.9V breakdown (V_BR at 1mA), delivering 1120W peak pulse power (8/20μs) while maintaining <600nA leakage at V_RWM. Its functional diagram confirms three parallel IN pins (4–6) and three parallel GND pins (1–3) for minimized inductance and maximized surge current sharing.

Key Specifications

Pinout & Package

Package: DFN 1.6 mm × 1.6 mm × 0.55 mm, 6-lead, Pb-free, RoHS/WEEE compliant, UL 94V-0 molding compound.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TDS2211P.C and uClamp2411ZA, JANS1N6102AUS delivers military-grade reliability, full 40A surge handling, and constant 27.5–28V clamping-making it the sole option for mission-critical 22V power rail protection where thermal stability and surge margin are non-negotiable.

Availability

JANS1N6102AUS is available at Aetrix Electronics and suitable for USB Type-C power delivery systems, industrial load switch inputs, and ruggedized IoT edge node designs requiring stable component supply across extended temperature and surge stress conditions.

Supply support for JANS1N6102AUS 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 sensing, protection, and signal integrity.

JANS1N6102AUS belongs to Semtech's Transient Diverting Suppressor (TDS) product line-engineered specifically to replace conventional TVS diodes in high-reliability power rail protection with superior clamping stability, temperature resilience, and surge endurance.

FAQ

What is the primary protection function of JANS1N6102AUS?

JANS1N6102AUS functions as a transient diverting suppressor that actively shunts high-energy EOS events-including ESD, EFT, and lightning-induced surges-to ground using a precision-triggered FET. Unlike passive TVS diodes, it maintains a stable 27.5–28V clamping voltage across its full 40A peak pulse current range and −40°C to +125°C operating temperature, making JANS1N6102AUS ideal for protecting sensitive 22V power rails in demanding environments.

How does JANS1N6102AUS differ from standard TVS diodes in clamping behavior?

JANS1N6102AUS uses a surge-rated FET and dedicated trigger circuit instead of a PN junction, resulting in near-constant clamping voltage (27.5–28V) regardless of peak pulse current (24–40A) or temperature (−40°C to +125°C). Standard TVS diodes exhibit linear clamping rise (V_C = V_BR + I_PP × R_DYN) and degrade with temperature-whereas JANS1N6102AUS clamping remains flat, ensuring predictable protection margins in JANS1N6102AUS deployments.

What is the correct PCB layout practice for JANS1N6102AUS to achieve rated 40A performance?

To achieve full 40A surge rating, all three IN pins (4–6) must be connected via a single low-inductance trace to the protected line, and all three GND pins (1–3) must connect directly to a solid ground plane using multiple vias. JANS1N6102AUS must be placed adjacent to the connector-minimizing trace length-to prevent coupling into adjacent nets. Layout deviations reduce effective surge current handling and compromise JANS1N6102AUS's constant-clamp advantage.

Is JANS1N6102AUS compatible with automated SMT assembly processes?

Yes, JANS1N6102AUS uses a standard DFN 1.6 mm × 1.6 mm × 0.55 mm package with exposed pad-less construction and lead-free terminations, fully compatible with reflow soldering per IPC/JEDEC J-STD-020. Its marking code "T22" and pin-1 dot enable optical recognition. JANS1N6102AUS has been validated for high-yield placement and solder joint integrity in volume manufacturing-no special stencil or profile adjustments are needed beyond standard DFN guidelines.

Does JANS1N6102AUS require external biasing or control signals to operate?

No, JANS1N6102AUS is a fully autonomous, two-terminal device requiring no external power, bias, or control signals. Its internal trigger circuit self-activates when transient voltage exceeds the breakdown threshold (~25–27.9V), turning on the shunt FET within nanoseconds. This passive operation makes JANS1N6102AUS drop-in compatible with existing TVS footprints and eliminates design overhead-JANS1N6102AUS functions immediately upon installation.