Nexperia USA Inc. PSMN1R1-80ASFJ

Overview

PSMN1R1-80ASF from Nexperia is an 80 V, 1.11 mΩ N-channel MOSFET in the CCPAK1212 (SOT8000A) copper-clip package, qualified to 175 °C junction temperature, rated for 385 A continuous drain current at T_mb = 25 °C, and featuring low Q_GD (37.3 nC typ) and strong avalanche ruggedness (1300 mJ E_AS). It serves as a high-current switching element in high-power industrial motor drives and battery protection circuits.

For engineers reviewing the PSMN1R1-80ASF datasheet, PSMN1R1-80ASF pinout, PSMN1R1-80ASF application, or PSMN1R1-80ASF equivalent, key selection criteria include its 0.123 K/W R_th(j-mb), JEDEC-qualified CCPAK1212 thermal package, 1.11 mΩ R_DS(on) at 25 °C, avalanche-tested reliability, and suitability for high-frequency half-bridge BLDC inverters with minimal conduction and switching loss.

Technical Context

This NextPower MOSFET employs a trench-gate superjunction structure optimized for low R_DS(on) × Q_G figure-of-merit (FOM), enabling high-efficiency switching in hard-switched topologies. Its gate threshold voltage (V_GS(th)) is 3.1 V typ at 25 °C and remains stable across temperature (ΔV_GS(th)/ΔT = −9.19 mV/K), supporting robust gate drive margin in wide-temperature industrial environments.

The device integrates a low-Q_rr body diode (Q_r = 68 nC typ) and exhibits fast reverse recovery (t_rr = 61 ns), reducing commutation losses and voltage spiking in synchronous rectification and OR-ing applications. Its mounting-base-connected drain terminals enable direct thermal coupling to heatsinks without isolation layers.

Key Specifications

Pinout & Package

PSMN1R1-80ASF uses the CCPAK1212 (SOT8000A) surface-mount copper-clip package: 12 mm × 12 mm × 2.5 mm body, 13-terminal layout with exposed drain thermal pad (mounting base). The package is JEDEC-qualified for open-market compatibility and second-source assurance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-current N-channel MOSFET applications.

Compared with IPP026N08N8 and SiR626DP, PSMN1R1-80ASF delivers superior current density (385 A), lowest thermal resistance (0.123 K/W), and highest avalanche energy (1300 mJ), making it optimal for compact, high-reliability industrial inverters where thermal headroom and fault robustness are critical.

Availability

PSMN1R1-80ASF is available at Aetrix Electronics and suitable for battery protection systems, BLDC motor controllers, high-power DC/DC converters, and OR-ing power distribution requiring stable component supply across extended production lifecycles.

Supply support for PSMN1R1-80ASF 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 and logic devices, with leadership in MOSFETs, ESD protection, and logic ICs for industrial, automotive, and consumer markets.

PSMN1R1-80ASF belongs to the NextPower family-designed specifically for high-efficiency, high-current switching in industrial motor control, power conversion, and battery management systems demanding ruggedness and thermal performance.

FAQ

What is the maximum continuous drain current rating for PSMN1R1-80ASF?

The datasheet specifies 385 A continuous drain current at T_mb = 25 °C with proper PCB copper and heatsink interface. This rating is validated in application testing but is thermally limited in practice-actual current depends on mounting base temperature, copper area, and ambient conditions. At T_mb = 100 °C, the derated current remains 385 A due to the device's thermal design margin and low R_th(j-mb).

Does PSMN1R1-80ASF require a negative gate voltage for reliable turn-off?

No. The device has a gate threshold voltage (V_GS(th)) of 3.1 V typ at 25 °C and −9.19 mV/K temperature coefficient, ensuring stable turn-on with standard 10 V gate drive. Gate drive between −5 V and +20 V is within absolute maximum ratings; 0 V gate suffices for full turn-off, and negative bias is not required for noise immunity or safe operation in typical industrial switching frequencies.

How is the mounting base (mb) terminal electrically connected internally?

The mounting base is internally bonded directly to the drain metallization and forms part of the 12-pin drain terminal array (pins 7–12). It is not isolated and must be treated as a live drain node-electrically and thermally connected to all drain pins. PCB layout must assign this pad exclusively to the drain net and avoid accidental grounding or signal routing underneath.

Can PSMN1R1-80ASF replace traditional TO-263 MOSFETs in existing layouts?

Not directly-it uses the CCPAK1212 (SOT8000A) footprint, which differs mechanically and thermally from TO-263 (D²PAK). While both are surface-mount, CCPAK1212 has 13 terminals, a larger 12 mm × 12 mm body, and a dedicated mounting base pad requiring specific stencil and reflow profile. Migration requires PCB redesign, thermal validation, and gate drive loop optimization to leverage its lower R_th and higher current capability.