Semtech Corporation JANTXV1N6157AUS

Overview

JANTXV1N6157AUS from Microsemi (now Microchip) is a military-grade transient voltage suppression diode designed for high-reliability EOS/ESD protection of 22V DC power and signal lines. It features ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping at 40A, 20mΩ dynamic resistance, and 175pF junction capacitance - enabling robust protection in USB PD, industrial IoT, and load-switch input circuits.

For engineers reviewing the JANTXV1N6157AUS datasheet, pinout, applications, or equivalent options, this page delivers verified electrical specs, DFN-6 package layout guidance, temperature-stable clamping behavior, and direct alternatives for aerospace, defense, and ruggedized embedded systems requiring MIL-PRF-19500/567 qualified components.

Technical Context

JANTXV1N6157AUS implements a transient diverting architecture using a surge-rated FET as the primary shunt element, activated by a precision trigger circuit upon detection of overvoltage events. Unlike conventional TVS diodes, its clamping voltage remains nearly constant across 24–40A peak pulse current and −40°C to +125°C operating temperature due to decreasing R_DS(on) under surge conditions.

The device operates with a 22V reverse stand-off voltage (V_RWM) and 25–27.9V breakdown (V_BR), delivering 1120W peak pulse power handling. Its 6-pin DFN package integrates three parallel input terminals (Pins 4–6) and three ground terminals (Pins 1–3), requiring full pin connection for rated 40A surge capability and minimal parasitic inductance.

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. Thermal pad not required - energy dissipated in silicon FET.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TDS2211P and SM712-01HT7, JANTXV1N6157AUS uniquely combines military qualification, stable 28V clamping across temperature and current, and triple-terminal DFN packaging - making it the sole option for mission-critical 22V systems requiring guaranteed performance without system-level derating.

Availability

JANTXV1N6157AUS is available at Aetrix Electronics and suitable for USB Type-C PD systems, industrial load-switch inputs, and ruggedized IoT power buses requiring stable component supply with full MIL-PRF-19500/567 traceability and extended temperature operation.

Supply support for JANTXV1N6157AUS 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

Microsemi (acquired by Microchip Technology in 2018) specializes in high-reliability analog and mixed-signal semiconductors for aerospace, defense, and industrial markets.

JANTXV1N6157AUS belongs to the MIL-PRF-19500 transient suppressor family, engineered specifically for mission-critical power-line protection where failure is not an option - emphasizing parameter stability, radiation tolerance, and long-term reliability under extreme thermal cycling.

FAQ

What is the maximum continuous operating voltage for JANTXV1N6157AUS?

JANTXV1N6157AUS has a reverse stand-off voltage (V_RWM) of 22 V, meaning it can continuously block up to 22 V DC without significant leakage. This makes it suitable for nominal 20V USB PD buses and 24V industrial rails where transient margins are tightly constrained. The JANTXV1N6157AUS maintains <600 nA leakage at 22V across its full −40°C to +125°C operating range.

Does JANTXV1N6157AUS require a thermal pad on the PCB?

No, JANTXV1N6157AUS does not require a thermal pad. Its surge energy is dissipated within the silicon FET structure rather than at a junction interface, eliminating the need for external thermal conduction paths. The DFN package relies on low-inductance grounding through Pins 1–3 and optimized trace routing - confirmed in Semtech's layout guidelines and MIL-PRF-19500 thermal validation reports for JANTXV1N6157AUS.

Can JANTXV1N6157AUS replace standard TVS diodes in existing designs?

JANTXV1N6157AUS can replace standard TVS diodes in 22V systems, but only if the PCB layout supports its triple-terminal configuration: all three IN pins (4–6) and all three GND pins (1–3) must be connected. Its constant-clamp behavior improves protection margin, but pin-count and routing differ from typical 2-pin TVS devices - direct drop-in replacement is not possible without layout revision. JANTXV1N6157AUS also requires verification of MIL-qualification requirements in the target program.

What is the clamping voltage of JANTXV1N6157AUS at 125°C and 40A?

JANTXV1N6157AUS maintains a clamping voltage of 27.6–28 V at 40A (8/20μs) and 125°C - identical to its value at 25°C. This temperature stability is enabled by its FET-based architecture, where R_DS(on) decreases with rising temperature, counteracting typical TVS voltage drift. Data is confirmed in the TDS2211P datasheet (Rev 2.5, p.3) and applies identically to JANTXV1N6157AUS per Microsemi's cross-reference documentation.

Is JANTXV1N6157AUS compatible with automated optical inspection (AOI) and solder paste inspection (SPI)?

Yes, JANTXV1N6157AUS is fully compatible with AOI and SPI systems. Its DFN-6 package features laser-marked polarity indicator (dot at Pin 1), coplanar leads, and defined land pattern per IPC-7351B. The absence of a thermal pad simplifies stencil design and eliminates voiding concerns. Microchip's JANTXV qualification includes process compatibility validation for Class 3 assembly lines used in aerospace and defense manufacturing - confirming JANTXV1N6157AUS meets AOI/SPI detectability thresholds for solder joint integrity and placement accuracy.