Diodes Incorporated ZXTN25060BZQTA

Overview

ZXTN25060BZQTA from Diodes Incorporated is a 60V NPN bipolar junction transistor (BJT) optimized for automotive-grade power switching, featuring V_CE(sat) < 70 mV at 1 A, R_CE(sat) = 48 mΩ, and continuous I_C = 5 A. It delivers low-loss switching in motor drivers, solenoid controls, and MOSFET gate drive stages under harsh thermal and reliability requirements.

For engineers reviewing the ZXTN25060BZQTA datasheet, ZXTN25060BZQTA pinout, ZXTN25060BZQTA application, or ZXTN25060BZQTA equivalent, this page provides verified electrical parameters, SOT89 package layout, AEC-Q101 qualification status, and direct comparison with functionally aligned discrete transistors for automotive and industrial power control designs.

Technical Context

This NPN BJT operates as a high-current, low-saturation switch with forward blocking capability up to 150 V (BV_CEX) and reverse emitter-collector blocking of 6 V (BV_ECO). Its h_FE ranges from 45–300 across 10 mA–5 A collector currents, supporting stable DC gain in linear and saturated switching modes.

The device uses an exposed-collector SOT89 thermally enhanced package with R_θJC = 11.5 °C/W and R_θJL = 8 °C/W, enabling efficient heat transfer to PCB copper. It meets J-STD-020 Level 1 moisture sensitivity and supports pulsed operation up to 10 A (I_CM) with safe operating area validated for 100 µs–1 s pulses.

Key Specifications

Pinout & Package

Package: SOT89 with exposed collector pad (pin 3), molded green plastic housing (UL 94V-0), matte tin-plated leads, and 0.055 g mass. Designed for surface-mount assembly and thermal conduction via soldered collector pad.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN low-saturation transistor applications.

Compared with ZXTN25040BZQTA, this part adds 20 V blocking margin and 1 A current headroom for 48 V automotive transients; versus DMT6006LPS-13, it avoids gate-drive complexity and offers superior ruggedness against voltage spikes in inductive loads.

Availability

ZXTN25060BZQTA is available at Aetrix Electronics and suitable for automotive HVAC systems, industrial actuator control, and DC-DC converter power stages requiring stable component supply, AEC-Q101 compliance, and thermal robustness in extended temperature environments.

Supply support for ZXTN25060BZQTA 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 components for automotive, industrial, and computing markets with ISO/TS 16949 and ISO 14001 certifications.

ZXTN25060BZQTA belongs to Diodes' ZXTN automotive-qualified BJT family, engineered specifically for high-current, low-V_CE(sat) switching in engine control units, body electronics, and powertrain subsystems.

FAQ

What is the maximum allowable base current for continuous operation?

The absolute maximum rating specifies I_B = 1 A continuous, but design practice limits steady-state base current to ≤500 mA to maintain h_FE stability and avoid thermal stress at the base-emitter junction. At I_C = 5 A, a 10:1 I_C/I_B ratio yields 500 mA base drive, aligning with the 550 mW power dissipation limit at V_BE(sat) ≈ 1.02 V.

Can ZXTN25060BZQTA be used in linear regulator applications?

No - this device is optimized for saturated switching, not linear operation. Its Safe Operating Area (SOA) curve shows rapid power derating above 10 V V_CE at high current, and thermal resistance values assume pulsed or switched duty cycles. Linear regulation would exceed R_θJA limits and cause thermal runaway without active cooling.

Is the SOT89 footprint compatible with standard pick-and-place equipment?

Yes - the SOT89 package conforms to JEDEC MO-203-AB standards with 1.5 mm pitch, 4.5 mm × 2.5 mm body, and defined pad layout (C = 1.5 mm, X2 = 1.933 mm). Diodes' recommended land pattern supports automated optical alignment and achieves >99.5% first-pass yield in Class II IPC-A-610-compliant SMT lines.

Does ZXTN25060BZQTA require a base resistor in all applications?

Yes - a series base resistor is mandatory to limit peak I_B during turn-on and prevent secondary breakdown. For I_C = 5 A with h_FE = 100, a 10 Ω resistor (with 5 V drive) delivers 500 mA base current, matching the optimal I_C/I_B = 10 ratio shown in Figure 11 for minimal V_CE(sat).