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

Infineon Technologies BCP5416H6433XTMA1

Name: BCP5416H6433XTMA1
Brand: Infineon Technologies
SKU: BCP5416H6433XTMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP5416H6433XTMA1

Manufacturer:: Infineon Technologies

Category:: Single Bipolar Transistors

Package:: TO-261-4, TO-261AA

Datasheet:: BCP5416H6433XTMA1.pdf

Description:: TRANS NPN 45V 1A PG-SOT223-4

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BCP5416H6433XTMA1 from Infineon Technologies is an NPN silicon bipolar junction transistor designed for audio-frequency driver and output stages in linear and switching applications. It delivers 1 A continuous collector current, 45 V V_CEO, 0.5 V V_CE(sat) at I_C = 500 mA / I_B = 50 mA, and f_T = 100 MHz, enabling high-efficiency amplification in automotive audio power stages.

For engineers reviewing the BCP5416H6433XTMA1 datasheet, BCP5416H6433XTMA1 pinout, BCP5416H6433XTMA1 application, or BCP5416H6433XTMA1 equivalent, key selection criteria include its SOT223 package thermal resistance (R_thJS ≤ 15 K/W), AEC-Q101 qualification, complementary PNP pairing with BCP51–BCP53 series, and low saturation voltage for reduced conduction loss in Class-AB amplifier outputs.

Technical Context

This transistor operates as a medium-power NPN switch/amplifier with DC current gain (h_FE) ranging from 63 to 100 at I_C = 150 mA and V_CE = 2 V, and up to 250 at I_C = 5 mA. Its 100 MHz transition frequency supports stable operation in AF bandwidths up to 20 kHz with margin.

The device features a 45 V collector-emitter breakdown voltage (V_(BR)CEO), 5 V emitter-base breakdown rating, and guaranteed 0.5 V max V_CE(sat) under 500 mA/50 mA drive-enabling efficient biasing in push-pull output stages without excessive base drive overhead.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	45 V - Maximum safe collector-emitter voltage before avalanche in linear or switching use
I_C (continuous)	1 A - Supports audio output stage loads up to ~10 W into 8 Ω with adequate heatsinking
V_CE(sat)	≤ 0.5 V @ I_C = 500 mA, I_B = 50 mA - Minimizes power dissipation in saturated switching mode
h_FE	63–100 @ I_C = 150 mA - Enables predictable base current design for fixed-gain driver circuits
f_T	100 MHz - Ensures stable small-signal gain well beyond audible spectrum (20 kHz)
R_thJS	≤ 15 K/W - Allows direct PCB copper pour thermal coupling to maintain T_j ≤ 150 °C at 2 W dissipation
P_tot	2 W @ T_S ≤ 120 °C - Defines maximum steady-state power handling with solder-point cooling

Pinout & Package

BCP5416H6433XTMA1 is housed in a surface-mount SOT223 package with four terminals: emitter (E), collector (C), base (B), and second collector (C) - configured as a dual-collector layout for improved thermal and current-handling capability in high-reliability applications.

Pin/Terminal	Circuit Role	Design Meaning
1	Base (B)	Control input; requires ~50 mA drive for full saturation at 500 mA collector load
2	Collector (C)	Main current sink path; electrically tied to pin 4 for parallel current sharing and thermal spreading
3	Emitter (E)	Reference node for bias network; connected to ground or negative rail in common-emitter configuration
4	Collector (C)	Secondary collector terminal; shares internal die connection with pin 2 to reduce effective R_DS(on)-like resistance and improve thermal distribution

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive temperature cycling, humidity, and mechanical stress per JESD22 standards
Low V_CE(sat)	≤ 0.5 V enables <125 mW conduction loss at 500 mA, reducing thermal load in compact enclosures
High h_FE consistency	63–100 range at 150 mA ensures stable bias point across production lots without trim resistors
SOT223 thermal performance	R_thJS ≤ 15 K/W allows 2 W operation with minimal external copper area on FR-4 PCB
Complementary PNP pairing	Direct match with BCP51–BCP53 series simplifies push-pull amplifier board layout and thermal symmetry

Applications

Automotive Audio Output Stage

Industrial Linear Power Regulator

Use Scenario: Final amplification stage in 12 V automotive head unit delivering 5–10 W into 4–8 Ω speakers.

IC Role / Device Role / Timing Role: NPN output transistor in Class-AB push-pull pair, biased by matched PNP complement (BCP51–BCP53).

Use Value: 0.5 V V_CE(sat) reduces heat generation vs. legacy transistors (>0.7 V), allowing smaller heatsinks in space-constrained dash modules.

Use Scenario: Pass element in adjustable linear regulator supplying 1.2–12 V @ 1 A to analog sensor signal chains.

IC Role / Device Role / Timing Role: Series pass transistor controlling output voltage via feedback loop; operated in active region with constant I_C.

Use Value: 100 MHz f_T ensures loop stability with fast transient response (<10 µs) to load steps up to 500 mA.

DC Motor Driver Half-Bridge

LED Constant-Current Driver

Use Scenario: Low-side switch in 24 V brushed DC motor control for HVAC actuators or seat adjusters.

IC Role / Device Role / Timing Role: Saturated NPN switch turning motor winding on/off at PWM frequencies ≤ 20 kHz.

Use Value: 1 A I_C rating and 0.5 V V_CE(sat) limit conduction loss to <500 mW, avoiding forced-air cooling in sealed assemblies.

Use Scenario: Constant-current sink for high-brightness LED strings in interior lighting modules.

IC Role / Device Role / Timing Role: Current-regulating transistor in emitter-follower configuration with precision sense resistor.

Use Value: Tight h_FE spread (63–100) enables ±3% current accuracy across temperature without calibration.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BCP54T1G (ON Semiconductor)	Same SOT223 package, V_CEO = 45 V, but h_FE min = 40 (vs. 63), V_CE(sat) max = 0.6 V	Lower gain and higher saturation voltage reduce efficiency in high-precision current regulation	Acceptable for cost-sensitive non-automotive applications where thermal margin is ample
MMBT5401 (Nexperia)	SOT23 package, V_CEO = 150 V, but I_C = 0.6 A and P_tot = 0.35 W - not a drop-in replacement	Insufficient current/power rating for audio output or motor drive use cases	Only suitable for low-power signal switching where voltage rating dominates over current capability

Compared with BCP54T1G and MMBT5401, BCP5416H6433XTMA1 offers superior thermal performance (R_thJS ≤ 15 K/W vs. ≥ 250 K/W for SOT23), tighter h_FE binning, and AEC-Q101 qualification-making it the only viable choice for automotive-grade linear amplifier and motor control designs requiring reliability and power density.

Availability

BCP5416H6433XTMA1 is available at Aetrix Electronics and suitable for automotive audio systems, industrial linear regulators, and DC motor drivers requiring stable component supply with AEC-Q101 compliance and SOT223 thermal performance.

Supply support for BCP5416H6433XTMA1 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.

The BCP54 series belongs to Infineon's high-reliability bipolar transistor product line, engineered specifically for automotive audio output stages and industrial linear power applications demanding robust thermal behavior and AEC-Q101 validation.

FAQ

Is BCP5416H6433XTMA1 RoHS compliant?

Yes, BCP5416H6433XTMA1 is Pb-free and fully compliant with EU RoHS Directive 2011/65/EU. The SOT223 package uses lead-free matte tin plating on all terminations, and no restricted substances exceed threshold limits per Annex II of the directive.

What is the maximum junction temperature for continuous operation?

The absolute maximum junction temperature is 150 °C. Continuous operation must ensure T_j remains ≤ 150 °C under worst-case ambient, power dissipation, and PCB thermal conditions-verified using R_thJS ≤ 15 K/W and thermal modeling per Infineon Application Note AN077.

Can BCP5416H6433XTMA1 be used in avalanche mode?

No. BCP5416H6433XTMA1 is not rated or characterized for avalanche energy handling. Its V_(BR)CEO = 45 V is a DC breakdown limit-not an avalanche-rated parameter-and operation near or above this voltage risks irreversible device failure.

How does the dual-collector configuration (pins 2 and 4) affect PCB layout?

Pins 2 and 4 are internally shorted collector terminals. Layout best practice is to connect both to the same large copper pour for optimal thermal spreading and current sharing. Separating them introduces imbalance and localized heating, degrading R_thJS and long-term reliability.

BCP5416H6433XTMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: TO-261-4, TO-261AA

Packaging:: Tape & Reel (TR)

Product Status:: Last Time Buy

Transistor Type:: NPN

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

Voltage - Collector Emitter Breakdown (Max):: 45 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-SOT223-4

BCP5416H6433XTMA1 FAQ

1.How can I place an order for BCP5416H6433XTMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP5416H6433XTMA1 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 BCP5416H6433XTMA1 reliable?

The price and inventory of BCP5416H6433XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP5416H6433XTMA1 is usually 5 days.

3.What payment methods are accepted for BCP5416H6433XTMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP5416H6433XTMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP5416H6433XTMA1?

BCP5416H6433XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP5416H6433XTMA1 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 BCP5416H6433XTMA1?

For technical support, including BCP5416H6433XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP5416H6433XTMA1 requirements.

6.How does Aetrix verify that BCP5416H6433XTMA1 is sourced from the original manufacturer or authorized distributors?

All BCP5416H6433XTMA1 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 BCP5416H6433XTMA1 meets industry standards.

7.What is the process for return or replacement of BCP5416H6433XTMA1?

All BCP5416H6433XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BCP5416H6433XTMA1, 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 BCP5416H6433XTMA1 part is unused and in its original packaging.

Return procedure for BCP5416H6433XTMA1:

1.Submit a request within 90 days.

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

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