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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

Diodes Incorporated BCX6916TA

Name: BCX6916TA
Brand: Diodes Incorporated
SKU: BCX6916TA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCX6916TA

Manufacturer:: Diodes Incorporated

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: BCX6916TA.pdf

Description:: TRANS PNP 20V 1A SOT-89-3

Quantity:: RFQ Add To RFQ list

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Inventory:4,574

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Product details

Overview

BCX6916TA from Diodes Incorporated is a PNP medium-power bipolar junction transistor in SOT89 package, rated for -20V V_CEO, -1A continuous collector current, and V_CE(sat) < -0.5V at -1A/−100mA drive-used in automotive load switching, industrial power regulation, and DC-DC converter output stages.

For engineers reviewing the BCX6916TA datasheet, BCX6916TA pinout, BCX6916TA application, or BCX6916TA equivalent, key selection criteria include verified V_CEO/I_C derating behavior, thermal performance on 15mm×15mm FR4 PCB, h_FE consistency across −0.5A bias, and SOT89 thermal pad layout compatibility.

Technical Context

This PNP transistor operates in linear or saturated switching mode with guaranteed BV_CEO = −20V and I_C = −1A continuous rating. Its f_T = 100MHz supports high-speed switching up to ~100kHz in PWM-driven applications.

Designed for surface-mount use on thermally enhanced PCBs, it delivers V_CE(sat) ≤ −0.5V under −1A/−100mA conditions and maintains h_FE = 160–400 at −0.5A/−1V, enabling predictable base drive sizing in discrete power stages.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−20 V: Maximum allowable collector-emitter voltage before breakdown in common-emitter configuration.
I_C	−1 A: Continuous DC collector current rating under specified thermal conditions (15mm×15mm FR4, 1oz Cu).
V_CE(sat)	< −0.5 V @ −1A/−100mA: Ensures low conduction loss in saturated switch applications.
h_FE	160–400 @ −0.5A/−1V: Enables stable current amplification with minimal base drive variation.
f_T	100 MHz: Supports fast switching transitions in PWM control and signal amplification up to 100kHz fundamental.
P_D	1 W: Maximum steady-state power dissipation on standard FR4 board; requires thermal pad for full rating.
T_J	−55°C to +150°C: Operating junction temperature range suitable for under-hood automotive and industrial environments.

Pinout & Package

Package: SOT89 - surface-mount plastic package with integrated thermal pad (pin 2), rated for 1W dissipation on 15mm×15mm FR4 with single-sided 1oz copper.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Emitter)	E	Current sink terminal; connected to higher potential in PNP operation; requires low-impedance return path.
Pin 2 (Collector)	C	Main current output terminal; electrically tied to thermal pad for heat transfer to PCB.
Pin 3 (Base)	B	Control input; requires −100mA drive for full saturation at −1A collector current.

Key Features

Feature	Design Value
Low V_CE(sat)	< −0.5V at −1A ensures ≤0.5W conduction loss in saturated switching, reducing thermal stress.
High h_FE range	160–400 enables robust base drive design across process variation without active feedback compensation.
SOT89 thermal pad	Integrated collector-to-pad connection allows direct PCB copper pour attachment for 1W steady-state dissipation.
AEC-Q101 readiness	Manufactured in IATF 16949 facilities; supports automotive qualification path with PPAP capability.

Applications

Automotive Body Control Module

Industrial 24V Relay Driver

Use Scenario: Driving solenoid loads (e.g., door locks, HVAC actuators) from microcontroller GPIO via discrete PNP stage.

IC Role / Device Role / Timing Role: High-side switch controlling 1A inductive loads with fast turn-off via base pull-down.

Use Value: −20V V_CEO withstands 24V system transients; −0.5V V_CE(sat) limits self-heating during sustained actuation.

Use Scenario: Replacing optocoupler-based relay drivers in programmable logic controllers with direct-transistor interface.

IC Role / Device Role / Timing Role: Medium-power level-shifting switch interfacing 3.3V/5V logic to 24V relay coils.

Use Value: h_FE ≥160 ensures reliable turn-on with ≤10mA MCU drive; SOT89 footprint simplifies layout vs. TO-220.

DC-DC Converter Output Stage

LED Current Regulator

Use Scenario: Discrete PNP pass element in linear post-regulator for buck converter outputs requiring low-noise 3.3V/5V rails.

IC Role / Device Role / Timing Role: Linear regulator pass transistor operating in active region with fixed base bias.

Use Value: Tight V_CE(sat) spec and stable h_FE enable predictable dropout voltage and load regulation.

Use Scenario: Constant-current driver for high-brightness indicator LEDs in instrumentation panels.

IC Role / Device Role / Timing Role: Current-sink transistor with emitter resistor feedback for precision LED current setting.

Use Value: −1A I_C rating supports multi-LED strings; −55°C to +150°C T_J ensures reliability in sealed enclosures.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BCX6925TA	Same SOT89 package; identical V_CEO (−20V), but h_FE min = 160 vs. BCX6916TA's 100; f_T = 100MHz same.	Higher minimum h_FE reduces base drive margin requirement; otherwise functionally interchangeable.	Select BCX6925TA when tighter h_FE consistency is required for production yield.
MJD127G	TO-252 package; V_CEO = −100V, I_C = −8A, V_CE(sat) = −1.5V @ −4A-higher voltage/current, lower efficiency at 1A.	Used where higher breakdown or surge current needed; not drop-in due to footprint and thermal profile.	Choose MJD127G only when >−20V blocking or >−1A peak current is mandatory.

Compared with BCX6925TA, BCX6916TA offers lower h_FE minimum but identical thermal and saturation performance; versus MJD127G, it trades voltage headroom and current capacity for compact SOT89 size and superior 1A efficiency.

Availability

BCX6916TA is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC output stages, and DC-DC linear post-regulators requiring stable component supply with traceable sourcing and long-term lifecycle support.

Supply support for BCX6916TA 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.

The BCX69xx series belongs to Diodes' medium-power bipolar transistor product line, designed specifically for cost-sensitive, thermally constrained high-side switching and linear regulation in automotive and industrial control systems.

FAQ

What is the maximum safe operating temperature for BCX6916TA?

The BCX6916TA has a junction temperature range of −55°C to +150°C. Its maximum safe operating temperature depends on power dissipation and PCB thermal design; at 1W dissipation on a 15mm×15mm FR4 board with 1oz copper, case temperature remains below 125°C under still-air conditions.

Is BCX6916TA qualified for automotive applications?

BCX6916TA is manufactured in IATF 16949-certified facilities and supports AEC-Q101 qualification upon request. While not pre-qualified, its construction, test flow, and packaging meet automotive change-control requirements-PPAP documentation and qualification testing are available through Diodes' automotive team.

How does BCX6916TA compare to BCX6916 in terms of packaging and marking?

BCX6916TA uses the SOT89 package with matte tin-plated leads and "CH" top-side marking. The "TA" suffix denotes tape-and-reel packaging (1000 units per 12mm tape on 7-inch reel), distinguishing it from bulk or ammo-pack variants which share identical electrical and mechanical specs.

Can BCX6916TA be used in linear regulator configurations?

Yes-BCX6916TA is routinely used as a pass transistor in linear regulators due to its stable h_FE, low V_CE(sat), and 1W power rating. When biased in the active region with emitter-follower configuration and appropriate heat sinking, it delivers precise output voltage regulation with minimal dropout.

BCX6916TA Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-243AA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 1 A

Voltage - Collector Emitter Breakdown (Max):: 20 V

Vce Saturation (Max) @ Ib, Ic:: 500mV @ 100mA, 1A

Current - Collector Cutoff (Max):: 100nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 500mA, 1V

Power - Max:: 1 W

Frequency - Transition:: 100MHz

Operating Temperature:: -65°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-89-3

BCX6916TA FAQ

1.How can I place an order for BCX6916TA through Aetrix?

Please submit a Request for Quotation (RFQ) for BCX6916TA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for BCX6916TA reliable?

The price and inventory of BCX6916TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCX6916TA is usually 5 days.

3.What payment methods are accepted for BCX6916TA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCX6916TA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCX6916TA?

BCX6916TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCX6916TA order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for BCX6916TA?

For technical support, including BCX6916TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCX6916TA requirements.

6.How does Aetrix verify that BCX6916TA is sourced from the original manufacturer or authorized distributors?

All BCX6916TA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BCX6916TA meets industry standards.

7.What is the process for return or replacement of BCX6916TA?

All BCX6916TA units undergo pre-shipment inspection (PSI). If there is an issue with BCX6916TA, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The BCX6916TA part is unused and in its original packaging.

Return procedure for BCX6916TA:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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