Diodes Incorporated BCP5616TQTA

Overview

BCP5616TQTA from Diodes Incorporated is an AEC-Q101 qualified 80V NPN medium-power bipolar junction transistor in SOT223 package, rated for 1A continuous collector current, 2W power dissipation, and V_CE(sat) < 500 mV at 500 mA/50 mA drive-used in automotive body control modules for relay and lamp driver stages.

For engineers reviewing the BCP5616TQTA datasheet, BCP5616TQTA pinout, BCP5616TQTA application, or BCP5616TQTA equivalent, key selection criteria include V_CEO = 80 V, h_FE = 63–250 (IC = 5–500 mA), f_T = 100–150 MHz, thermal resistance R_θJL = 21.7 °C/W, and AEC-Q101 qualification status.

Technical Context

This NPN BJT operates as a medium-power switching device with high-voltage capability (V_CEO = 80 V, V_CBO = 100 V) and robust thermal performance (R_θJL = 21.7 °C/W). Its low saturation voltage (≤500 mV @ IC = 500 mA, IB = 50 mA) enables efficient on-state conduction in 12 V automotive loads.

The device delivers DC current gain h_FE ranging from 63 to 250 across operating conditions (IC = 5–500 mA, V_CE = 2 V), supporting both linear amplification and saturated switching. Its 150 MHz transition frequency (f_T) supports moderate-speed digital and analog signal handling up to ~10 MHz switching.

Key Specifications

Pinout & Package

SOT223 package with integrated heat sink tab (Collector-connected lead), molded green compound (UL 94V-0), and matte tin-plated terminals solderable per MIL-STD-202 Method 208.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar NPN medium-power transistor applications.

Compared with ZXTN25050DFHTA and BCP56-16, BCP5616TQTA uniquely combines 80 V rating, AEC-Q101 compliance, and validated thermal performance for production automotive switching-making it the only drop-in solution for Tier 1 body electronics requiring full PPAP documentation and long-term supply continuity.

Availability

BCP5616TQTA is available at Aetrix Electronics and suitable for automotive lamp drivers, body control module relay interfaces, and industrial DC motor controllers requiring stable component supply across multi-year production cycles.

Supply support for BCP5616TQTA 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.

The BCP56x series belongs to Diodes' automotive-qualified bipolar transistor product line, engineered specifically for high-reliability medium-power switching in harsh-environment vehicle subsystems including lighting, power distribution, and actuation.

FAQ

Is BCP5616TQTA pin-compatible with standard SOT223 NPN transistors?

Yes-BCP5616TQTA uses the industry-standard SOT223 pinout: Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector, with the exposed tab electrically connected to the Collector. This matches JEDEC MO-178AB and is mechanically and electrically compatible with other SOT223-packaged NPN devices such as MJD31C or ZTX653, provided voltage and gain requirements align.

What is the maximum safe operating area (SOA) limit at 85°C ambient?

At T_A = 85°C, the derated power dissipation is 1.5 W (based on R_θJA = 45.6 °C/W and T_J(max) = 150°C). The SOA boundary at DC operation is defined by V_CE ≤ 80 V and I_C ≤ 1 A, with second breakdown limiting pulsed operation above 50 V/1 A. Full SOA curves are provided in Figure 7 of DS43137 Rev. 1–2.

Does BCP5616TQTA require a base resistor when driven by a 3.3 V MCU GPIO?

Yes-a series base resistor is mandatory. For I_C = 500 mA and minimum h_FE = 63, required I_B ≥ 7.9 mA. With 3.3 V GPIO and V_BE(on) ≈ 0.85 V, a 300 Ω resistor limits base current to ~8.3 mA, ensuring saturation while preventing excessive MCU output loading or thermal overstress.

How does the "Green" material composition affect soldering process compatibility?

The halogen- and antimony-free molding compound meets IPC-J-STD-020 moisture sensitivity Level 1, allowing unlimited floor life at ≤30°C/60% RH. It is fully compatible with standard SnPb and lead-free reflow profiles (peak ≤ 260°C), with no special prebake or nitrogen requirements-verified per MIL-STD-202 Method 208 for matte tin plating adhesion and wetting.