Nexperia USA Inc. BUK9606-75B,118

Overview

BUK9606-75B,118 from Nexperia is a logic-level N-channel TrenchMOS FET in D2PAK (SOT404) package, rated for 75 V drain-source voltage, 75 A continuous drain current at 5 V gate drive, and 175 °C junction temperature. It delivers 4.7 mΩ R_DS(on) at V_GS = 10 V / T_j = 25 °C and is AEC-Q101 qualified for automotive power switching of 12 V/24 V loads including motors and solenoids.

For engineers reviewing the BUK9606-75B,118 datasheet, BUK9606-75B,118 pinout, BUK9606-75B,118 application, or BUK9606-75B,118 equivalent, key selection criteria include logic-level gate compatibility (V_GS(th) = 1.1–2.0 V), thermal robustness (R_th(j-mb) = 0.5 K/W), avalanche energy rating (852 mJ), and automotive qualification status.

Technical Context

This device implements a trench-gate MOSFET architecture optimized for low conduction loss and fast switching in high-current DC power paths. Its gate threshold voltage (1.1–2.0 V at 25 °C) ensures reliable turn-on with standard 3.3 V or 5 V microcontroller outputs, while its 175 °C maximum junction temperature supports operation in engine bay or under-hood environments.

The integrated source-drain diode exhibits 0.85–1.2 V forward voltage at 40 A and 68 ns reverse recovery time, enabling synchronous rectification or freewheeling in inductive load circuits. Its 37 nC gate-drain charge and 95 nC total gate charge support efficient PWM control at frequencies up to several hundred kHz.

Key Specifications

Pinout & Package

Package: D2PAK (SOT404), plastic single-ended surface-mounted package with isolated mounting base connected to drain. Dimensions: 15.8 × 10.3 × 4.5 mm (L × W × H); 3 leads (lead 2 cropped).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel logic-level power MOSFET applications.

Compared with STL220N6F7 and IRF1404ZLPbF, BUK9606-75B,118 uniquely combines 75 V rating, AEC-Q101 qualification, 175 °C operation, and D2PAK thermal performance-making it the sole choice for automotive high-side switching where voltage margin, reliability, and thermal density are jointly critical.

Availability

BUK9606-75B,118 is available at Aetrix Electronics and suitable for automotive engine control, body electronics, and commercial vehicle lighting requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for BUK9606-75B,118 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete, logic, and MOSFET solutions, with leadership in automotive-qualified components.

BUK9606-75B,118 belongs to Nexperia's TrenchMOS logic-level automotive power MOSFET product line, engineered specifically for robust, thermally efficient switching in 12 V/24 V/42 V automotive subsystems.

FAQ

Is BUK9606-75B,118 suitable for high-frequency PWM motor control?

Yes. With 95 nC total gate charge and 37 nC gate-drain charge, it supports efficient switching up to 200 kHz in brushed DC motor drives. Its 144 ns rise time and 116 ns fall time enable clean transitions, while the 0.5 K/W junction-to-mounting-base thermal resistance maintains safe die temperature during sustained PWM operation.

What is the maximum gate-source voltage rating for safe operation?

The absolute maximum V_GS is ±15 V per IEC 60134 limiting values. Operation beyond ±15 V risks permanent gate oxide damage. For reliable logic-level drive, use 0–5 V or 0–10 V gate signals with ≤10 Ω series resistance to limit dV/dt-induced ringing and overshoot.

Does the mounting base require electrical isolation from the heatsink?

Yes. The mounting base is internally connected to the drain terminal. When mounted to a heatsink, an electrically insulating thermal pad or mica washer must be used unless the heatsink is intentionally held at drain potential. Failure to isolate may cause short circuits in low-side configurations.

Can BUK9606-75B,118 replace older BUK9606-75B variants in existing designs?

Yes. The '118' suffix denotes tape-and-reel packaging per EIA-481-D standard and does not alter electrical or thermal specifications. Pinout, R_DS(on), V_DS, and AEC-Q101 qualification remain identical to earlier revisions, enabling drop-in replacement without layout or firmware changes.