Diodes Incorporated BCP5616TQTC

Overview

BCP5616TQTC 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 load switching and linear amplification.

For engineers reviewing the BCP5616TQTC datasheet, BCP5616TQTC pinout, BCP5616TQTC application, or BCP5616TQTC equivalent, key selection criteria include V_CEO = 80 V, h_FE = 63–250 (IC = 5–500 mA), f_T = 100–150 MHz, R_θJA = 45.6 °C/W, and AEC-Q101 qualification for under-hood switching.

Technical Context

This NPN BJT operates as a medium-power switch or linear amplifier with high-voltage blocking (V_CEO = 80 V, V_CBO = 100 V) and robust thermal performance (R_θJL = 21.7 °C/W). Its h_FE range spans 63–250 across 5–500 mA collector currents, enabling stable gain in driver stages.

The device supports pulsed operation up to I_CM = 2 A and features low saturation voltage (V_CE(SAT) ≤ 500 mV @ IC = 500 mA, IB = 50 mA), making it suitable for efficient on-state conduction in automotive power control circuits.

Key Specifications

Pinout & Package

Package: SOT223 - Surface-mount plastic package with exposed collector tab for thermal and electrical connection; 0.112 g mass; UL 94V-0 flammability rating; moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ZTX653 and MJD122, BCP5616TQTC uniquely combines AEC-Q101 qualification, 80 V V_CEO, SOT223 thermal efficiency, and production-ready PPAP support-making it the only drop-in option for automotive-grade medium-power switching where footprint, qualification, and thermal density are jointly constrained.

Availability

BCP5616TQTC is available at Aetrix Electronics and suitable for automotive body control units, industrial 24 V relay drivers, and DC-DC converter pre-regulator stages requiring stable component supply and long-term lifecycle assurance.

Supply support for BCP5616TQTC 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 the Americas.

The BCP56xx series belongs to Diodes' automotive-qualified bipolar transistor product line, engineered specifically for medium-power switching and amplification in harsh-environment vehicle subsystems-including lighting, motor control, and power distribution.

FAQ

What is the maximum allowable junction temperature for BCP5616TQTC?

The absolute maximum junction temperature is +150°C, with storage temperature ranging from –55°C to +150°C. Derating begins above +25°C ambient per the thermal resistance curve in DS43137 Rev. 1–2, page 3. Operation at full 2.5 W requires strict adherence to PCB copper layout guidelines (50 mm × 50 mm, 2 oz Cu).

Is BCP5616TQTC pin-compatible with other SOT223 NPN transistors like MMBT5551?

No-BCP5616TQTC uses a 4-pin SOT223 configuration with an exposed collector tab (Pin 4), whereas MMBT5551 is a 3-pin SOT23 device. Even among SOT223 transistors, pin order differs: BCP5616TQTC follows E-B-C-Tab, while devices like ZTX653 use E-C-B-Tab. Always verify pinout using the top-view diagram in DS43137.

Does BCP5616TQTC support PWM switching at frequencies above 20 kHz?

Yes-its f_T of 100–150 MHz and low C_OBO (25 pF @ 10 V) support clean switching up to at least 100 kHz in optimized layouts. However, V_CE(SAT) and switching losses must be evaluated at target duty cycle and load current; thermal design remains critical due to 2.5 W power limit.

Can BCP5616TQTC replace a MOSFET in low-side switching applications?

It can function as a saturated BJT switch but lacks the zero-gate-drive advantage of MOSFETs. Base drive current (~50 mA at 500 mA I_C) increases MCU GPIO loading, and V_CE(SAT) is higher than typical R_DS(on)-based losses. Use only when cost, footprint, or gate-drive complexity constraints outweigh efficiency trade-offs.