Diodes Incorporated ZXMS6001N3QTA

Overview

ZXMS6001N3QTA from Diodes Incorporated is a 60V N-channel self-protected low-side IntelliFET™ MOSFET with monolithic overtemperature, overcurrent, overvoltage (active clamp), and ESD protection. It delivers 675mΩ R_DS(ON) at V_IN = 5V, supports up to 1.1A continuous load current, and features linear-mode capability for inrush-heavy loads like lamps and motors in automotive and industrial DC switching applications.

For engineers reviewing the ZXMS6001N3QTA datasheet, ZXMS6001N3QTA pinout, ZXMS6001N3QTA application, or ZXMS6001N3QTA equivalent, this device serves as a μC-compatible, AEC-Q101-qualified replacement for electromechanical relays and discrete protection circuits in 5V-controlled 12V/24V DC power switching systems.

Technical Context

The ZXMS6001N3QTA integrates fault protection logic directly into its silicon: active clamp limits V_DS to ≤75V during transients, thermal shutdown triggers at ≥+150°C with +8°C hysteresis, and current limiting activates only when V_DS > 5V-enabling full linear-mode operation at low V_DS. Its input threshold (1.0–2.5V) ensures compatibility with standard 5V microcontrollers.

Protection functions operate independently of external components: short-circuit detection uses internal dV/dt monitoring, load-dump immunity extends to 80V, and ESD withstand is rated at 4kV HBM. The device deactivates current limiting below ~5V V_DS, allowing maximum conduction efficiency while preserving robust fault response.

Key Specifications

Pinout & Package

Package: SOT223 (Type DN), surface-mount, lead-free, RoHS-compliant. Tab connected to Source; must be electrically isolated from Drain. Recommended drain-side copper area ≥6 cm² for thermal performance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar low-side protected MOSFET applications.

Compared with STSPIN250 and BTS7002-1EPP, the ZXMS6001N3QTA provides superior voltage margin (60V), higher energy handling (550mJ), and fully autonomous protection-making it optimal for cost-sensitive, high-reliability 5V-controlled DC switching where integration and fault resilience are prioritized over diagnostics or multi-axis control.

Availability

ZXMS6001N3QTA is available at Aetrix Electronics and suitable for automotive lighting control, industrial solenoid actuation, and microcontroller-based power interface applications requiring stable component supply, AEC-Q101 compliance, and long-term lifecycle support.

Supply support for ZXMS6001N3QTA 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability, automotive-qualified components with broad distribution and design-in support.

The ZXMS6001N3QTA belongs to Diodes' IntelliFET™ family-engineered specifically for replacing electromechanical relays and discrete protection circuits in 5V-controlled DC power switching, with emphasis on automotive, industrial, and appliance markets.

FAQ

What is the maximum continuous current the ZXMS6001N3QTA can deliver at +85°C ambient?

At +85°C ambient with minimum copper PCB layout (Note 8), the ZXMS6001N3QTA supports 520mA continuous drain current. With large copper area (Note 6), it delivers 825mA. These values derive from thermal resistance (R_θJA = 208°C/W min copper; 83°C/W large copper) and 150°C max junction temperature, not protection circuit limits.

Does the ZXMS6001N3QTA require an external flyback diode when driving inductive loads?

No external flyback diode is required. The device incorporates an internal body diode and active clamp circuit that limits V_DS to ≤75V during inductive turn-off. Its 550mJ unclamped inductive energy rating (E_AS) confirms safe operation with typical solenoids and small DC motors without external snubbers.

Can the ZXMS6001N3QTA be used in linear mode for analog current regulation?

Yes. Its current-limiting protection deactivates below ~5V V_DS, enabling stable linear-mode operation for lamp dimming or motor soft-start. Maximum DC current is determined solely by thermal limits of the SOT223 package and PCB copper area-not by protection circuitry-preserving regulation accuracy.

Is the ZXMS6001N3QTA pin-compatible with other SOT223 low-side switches?

No. While physically packaged in SOT223, its pinout (Drain–Source–Gate–Tab) differs from standard MOSFET configurations (e.g., Gate–Drain–Source). The tab is electrically tied to Source-not Drain-and must be isolated from Drain traces. Layout must follow Diodes' recommended pad dimensions and copper allocation per DS37146.