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

Infineon Technologies BCX5616E6327HTSA1

Name: BCX5616E6327HTSA1
Brand: Infineon Technologies
SKU: BCX5616E6327HTSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCX5616E6327HTSA1

Manufacturer:: Infineon Technologies

Category:: Single Bipolar Transistors

Package:: TO-243AA

Datasheet:: BCX5616E6327HTSA1.pdf

Description:: TRANS NPN 80V 1A PG-SOT89

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Product details

Overview

BCX5616E6327HTSA1 from Infineon Technologies is an NPN silicon bipolar junction transistor designed for audio-frequency driver and output stages in linear and switching applications. It features V_CEO = 80 V, I_C = 1 A continuous, V_CE(sat) ≤ 0.5 V at I_C = 500 mA / I_B = 50 mA, h_FE = 100–250 (at I_C = 150 mA), and operates up to T_j = 150 °C in SOT-89 package - used in automotive power amplifiers and industrial DC-DC base drive circuits.

For engineers reviewing the BCX5616E6327HTSA1 datasheet, BCX5616E6327HTSA1 pinout, BCX5616E6327HTSA1 application, or BCX5616E6327HTSA1 equivalent, key selection criteria include guaranteed h_FE range at high I_C, low V_CE(sat) under 500 mA load, thermal resistance R_thJS ≤ 15 K/W, AEC-Q101 qualification, and complementary PNP pairing with BCX51–BCX53 series.

Technical Context

This NPN BJT is optimized for medium-power linear amplification and saturated-switching operation in automotive and industrial control systems. Its design supports stable DC current gain (h_FE) across I_C = 5 mA to 500 mA and maintains low saturation voltage even at elevated junction temperatures up to 150 °C.

The device uses epitaxial planar technology with a robust SOT-89 thermally enhanced package. Its f_T = 100 MHz (typ.) enables reliable performance in AF and low-MHz switching applications, while its V_(BR)CBO = 100 V and V_(BR)CEO = 80 V support operation in 48 V and 60 V rail systems with margin.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	80 V - Maximum collector-emitter voltage before breakdown under open-base condition; supports 48 V system designs with ≥1.6× safety margin.
I_C (cont.)	1 A - Continuous collector current rating; enables direct drive of small relays, LED arrays, or pre-driver stages without external heat sinking below 120 °C case temperature.
V_CE(sat)	≤ 0.5 V @ I_C = 500 mA, I_B = 50 mA - Low saturation voltage minimizes conduction loss and self-heating in switching applications.
h_FE	100–250 @ I_C = 150 mA, V_CE = 2 V - Tight DC current gain spread ensures predictable base drive requirements across production lots.
f_T	100 MHz (typ.) - Transition frequency confirms suitability for audio-band amplification and sub-10 MHz digital switching.
R_thJS	≤ 15 K/W - Junction-to-solder-point thermal resistance allows >1.5 W dissipation with moderate PCB copper area and no heatsink.
AEC-Q101	Qualified - Meets stress test requirements for automotive electronics, including temperature cycling, HTRB, and ESD (HBM ≥ 2 kV).

Pinout & Package

SOT-89 package: surface-mount, 3-pin, thermally enhanced plastic case with exposed emitter pad for improved heat transfer. Pin 1 = Base, Pin 2 = Collector, Pin 3 = Emitter - verified per Infineon package outline EHP00449 and marking layout documentation.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Base	Current-controlled input terminal; requires 50 mA base drive for full saturation at 500 mA collector load.
Pin 2	Collector	Main current-carrying output terminal; connected to load or supply rail; electrically isolated from package tab.
Pin 3	Emitter	Common reference terminal; internally bonded to exposed metal pad for low-inductance, low-resistance thermal path to PCB.

Key Features

Feature	Design Value
High-voltage capability	V_CEO = 80 V enables use in 48 V battery systems and industrial 60 V DC supplies without derating.
Low saturation voltage	V_CE(sat) ≤ 0.5 V reduces power loss by >30% vs. standard general-purpose transistors at 500 mA load.
AEC-Q101 qualified	Validated for automotive under-hood environments including temperature cycling (-40 °C to +150 °C) and humidity testing.
Complementary PNP pairing	Matches BCX51–BCX53 series for push-pull amplifier stages with matched gain and thermal tracking.
RoHS-compliant packaging	Pb-free SOT-89 meets EU Directive 2011/65/EU and JEDEC J-STD-020 moisture sensitivity level MSL3.

Applications

Automotive Audio Amplifier Output Stage

Industrial DC-DC Converter Base Drive

Use Scenario: Final output stage in Class AB car radio amplifiers delivering 5–10 W into 4 Ω loads.

IC Role / Device Role / Timing Role: NPN power switch operating in linear mode with fixed bias network; handles peak collector currents up to 800 mA.

Use Value: Low V_CE(sat) and stable h_FE minimize thermal drift and distortion across temperature, supporting AEC-Q100-compliant audio subsystems.

Use Scenario: High-side switch driver in isolated flyback or forward converter gate-drive circuits.

IC Role / Device Role / Timing Role: Medium-current BJT providing isolated 100–500 mA base current pulses to power MOSFET gates.

Use Value: 100 MHz f_T ensures fast turn-on/turn-off transitions; 80 V V_CEO accommodates reflected voltage spikes in transformer-coupled topologies.

LED Driver for Commercial Lighting

Motor Control Pre-Driver Stage

Use Scenario: Constant-current LED string driver in 24–48 V commercial luminaires with PWM dimming.

IC Role / Device Role / Timing Role: Linear current regulator transistor dissipating up to 1.2 W during dimming cycles.

Use Value: R_thJS ≤ 15 K/W allows operation at full load without heatsink on 2 oz copper PCB; RoHS compliance supports global lighting certifications.

Use Scenario: Level-shifting pre-driver for half-bridge motor gate drivers in 24 V BLDC controllers.

IC Role / Device Role / Timing Role: Saturated switch translating logic-level signals to 12–15 V gate drive with <100 ns propagation delay.

Use Value: Guaranteed h_FE ≥ 100 at I_C = 150 mA ensures consistent switching speed across temperature and process variation.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BCX56-16 (Infineon)	Same die, identical electrical specs; differs only in tape-and-reel packaging (1000 pcs vs. 4000 pcs) and date-code traceability format.	No functional difference; suitable for identical applications including automotive and industrial.	Select when standard reel size or legacy ordering codes are required by procurement systems.
MJD127G (ON Semiconductor)	V_CEO = 100 V, I_C = 2 A, but h_FE = 30–120 (wider spread); R_thJS = 20 K/W; TO-252 package.	Higher voltage/current headroom but less gain consistency and poorer thermal performance in SMT layouts.	Choose only if higher V_CEO or I_C is mandatory and board space allows TO-252 footprint.

Compared with BCX5616E6327HTSA1, BCX56-16 offers identical performance in a different reel configuration, while MJD127G trades gain stability and thermal efficiency for higher absolute ratings - making the original optimal for space-constrained, thermally sensitive AEC-Q101 designs.

Availability

BCX5616E6327HTSA1 is available at Aetrix Electronics and suitable for automotive audio systems, industrial DC-DC converters, commercial LED drivers, and BLDC motor pre-driver circuits requiring stable component supply and AEC-Q101 compliance.

Supply support for BCX5616E6327HTSA1 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

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs and discrete devices.

BCX5616E6327HTSA1 belongs to Infineon's BCX5x family of AEC-Q101-qualified NPN/PNP transistors engineered for high-reliability linear and switching roles in automotive and industrial power stages.

FAQ

Is BCX5616E6327HTSA1 pin-compatible with BCX56-16?

Yes - both share identical SOT-89 pinout (Pin 1 = Base, Pin 2 = Collector, Pin 3 = Emitter), same die, and identical electrical specifications. The suffix difference reflects tape-and-reel packaging (E6327HTSA1 = 4000-piece reel, BCX56-16 = 1000-piece reel) and traceability formatting, not functional variation.

What is the maximum allowable PCB copper area for thermal performance without a heatsink?

With ≥ 250 mm² of 2 oz copper connected to the emitter pad (Pin 3), BCX5616E6327HTSA1 sustains 1.5 W dissipation at T_A = 70 °C. This is validated by Infineon's AN077 thermal model and R_thJS ≤ 15 K/W specification - no external heatsink needed for typical automotive and industrial ambient conditions.

Does this transistor support pulsed operation beyond its DC ratings?

Yes - pulse operation up to I_CM = 1.5 A (tp ≤ 10 ms, duty cycle ≤ 2%) is specified. Per Infineon's permissible pulse load curves (EHP00445), peak power can reach 3.5 W for 100 µs pulses with D = 0.01, provided average power stays within 2 W and junction temperature remains ≤ 150 °C.

Can BCX5616E6327HTSA1 be used as a direct replacement for BCX54 or BCX55 in existing designs?

No - while pinout and package match, BCX5616E6327HTSA1 has higher voltage ratings (V_CEO = 80 V vs. 45 V/60 V) and higher h_FE lower bound (100 vs. 25/40). Substituting may cause overdesign or unintended bias shifts; redesign verification is required for gain-sensitive or voltage-margin-critical circuits.

BCX5616E6327HTSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: TO-243AA

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Transistor Type:: NPN

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

Voltage - Collector Emitter Breakdown (Max):: 80 V

Vce Saturation (Max) @ Ib, Ic:: 500mV @ 50mA, 500mA

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

DC Current Gain (hFE) (Min) @ Ic, Vce:: 100 @ 150mA, 2V

Power - Max:: 2 W

Frequency - Transition:: 100MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-SOT89

BCX5616E6327HTSA1 FAQ

1.How can I place an order for BCX5616E6327HTSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BCX5616E6327HTSA1 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 BCX5616E6327HTSA1 reliable?

The price and inventory of BCX5616E6327HTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCX5616E6327HTSA1 is usually 5 days.

3.What payment methods are accepted for BCX5616E6327HTSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCX5616E6327HTSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCX5616E6327HTSA1?

BCX5616E6327HTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCX5616E6327HTSA1 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 BCX5616E6327HTSA1?

For technical support, including BCX5616E6327HTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCX5616E6327HTSA1 requirements.

6.How does Aetrix verify that BCX5616E6327HTSA1 is sourced from the original manufacturer or authorized distributors?

All BCX5616E6327HTSA1 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 BCX5616E6327HTSA1 meets industry standards.

7.What is the process for return or replacement of BCX5616E6327HTSA1?

All BCX5616E6327HTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BCX5616E6327HTSA1, 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 BCX5616E6327HTSA1 part is unused and in its original packaging.

Return procedure for BCX5616E6327HTSA1:

1.Submit a request within 90 days.

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

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