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

Infineon Technologies BCP5416E6433HTMA1

Name: BCP5416E6433HTMA1
Brand: Infineon Technologies
SKU: BCP5416E6433HTMA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP5416E6433HTMA1

Manufacturer:: Infineon Technologies

Category:: Single Bipolar Transistors

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

Datasheet:: BCP5416E6433HTMA1.pdf

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

Quantity:: RFQ Add To RFQ list

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Inventory:9,952

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Product details

Overview

BCP5416E6433HTMA1 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 a 45 V V_CEO, 1 A continuous collector current, 0.5 V typical V_CE(sat) at I_C = 500 mA / I_B = 50 mA, h_FE of 100–250 (depending on operating point), and SOT-223 surface-mount package. It is RoHS-compliant and AEC-Q101 qualified for automotive-grade reliability.

For engineers reviewing the BCP5416E6433HTMA1 datasheet, BCP5416E6433HTMA1 pinout, BCP5416E6433HTMA1 application, or BCP5416E6433HTMA1 equivalent, key selection criteria include its low saturation voltage for efficient power stage operation, high DC gain stability across 5 mA–500 mA collector current range, thermal resistance (R_thJS ≤ 15 K/W), and complementary PNP pairing with BCP51–BCP53 series.

Technical Context

This transistor operates as a medium-power general-purpose NPN switch or linear amplifier with fixed-emitter bias topology. Its design supports stable DC current gain (h_FE ≥ 100 at I_C = 150 mA, V_CE = 2 V) and low V_CE(sat) to minimize conduction loss in driver circuits.

The device uses epitaxial planar technology with a monolithic SOT-223 footprint featuring four terminals: emitter (pin 3), base (pin 1), collector (pins 2 & 4 shorted internally), and thermal pad (pin 4). Junction temperature is rated to 150 °C, enabling use in thermally constrained automotive and industrial environments.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	45 V - Maximum safe collector-emitter voltage before breakdown under open-base condition
I_C (continuous)	1 A - Rated DC collector current for sustained operation at T_S ≤ 120 °C
V_CE(sat)	0.5 V max at I_C = 500 mA, I_B = 50 mA - Enables <1 W conduction loss in switching applications
h_FE	100–250 - High and stable DC current gain across 5–500 mA I_C range supports robust biasing
f_T	100 MHz typ - Sufficient for AF amplification and low-speed switching up to ~10 MHz
R_thJS	≤15 K/W - Low thermal resistance enables direct PCB copper pour heatsinking without external heatsink
P_tot	2 W at T_S ≤ 120 °C - Power handling capability suitable for Class AB audio output stages

Pinout & Package

SOT-223 package with 4-terminal configuration: pins 2 and 4 are internally connected to the collector, pin 1 is base, pin 3 is emitter, and pin 4 also serves as thermal pad for PCB heat dissipation.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Base	Control input terminal; requires current-limited drive to achieve target h_FE-based collector current
Pin 2	Collector	Main high-current output node; electrically tied to pin 4 for enhanced thermal and current capacity
Pin 3	Emiter	Reference/return path for collector current; common connection point in emitter-follower or grounded-emitter topologies
Pin 4	Collector + Thermal Pad	Dual-function terminal: extends collector current path and provides direct thermal interface to PCB copper area

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive electronics per stress test requirements including HTOL, TC, HTRB, and ESD
Low V_CE(sat)	0.5 V max ensures <0.25 W conduction loss at 500 mA, reducing thermal load in compact layouts
High h_FE consistency	100–250 range over 5–500 mA I_C allows simplified bias network design without active compensation
SOT-223 thermal pad	Pin 4 thermal pad enables >1.5 W dissipation via 100 mm² 2-oz copper pour, eliminating need for discrete heatsinks
Complementary PNP pairing	Direct match with BCP51–BCP53 series enables push-pull output stages with matched gain and saturation behavior

Applications

Automotive Door Module Driver

Industrial Fan Speed Controller

Use Scenario: Driving 12 V DC brushed motors in power window and mirror actuation modules.

IC Role / Device Role / Timing Role: NPN switch controlling motor current path with PWM input at base.

Use Value: Low V_CE(sat) minimizes self-heating during 500 mA stall current, supporting AEC-Q101 ambient temperature cycling.

Use Scenario: Regulating airflow in HVAC blowers using analog voltage-controlled linear amplification.

IC Role / Device Role / Timing Role: Linear amplifier in emitter-follower configuration delivering 800 mA to fan coil.

Use Value: Stable h_FE across 10–500 mA ensures predictable gain and minimal thermal drift over 40–105 °C ambient.

Audio Amplifier Output Stage

Power Supply Pass Transistor

Use Scenario: Final output stage in Class AB headphone amplifier delivering 100 mW into 32 Ω load.

IC Role / Device Role / Timing Role: Complementary pair (with BCP51) forming push-pull emitter follower for low-output-impedance drive.

Use Value: Matched V_CE(sat) and h_FE between NPN/PNP halves reduces crossover distortion below 0.5% THD.

Use Scenario: Adjustable linear regulator pass element in 5 V/1 A bench supply with adjustable current limit.

IC Role / Device Role / Timing Role: Series pass transistor controlled by error amplifier feedback loop.

Use Value: 2 W P_tot and R_thJS ≤ 15 K/W allow full 1 A output at 70 °C ambient without forced air cooling.

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
BCP54-16	Same die, identical electrical specs; differs only in marking and reel packaging (E6433HTMA1 = tape-and-reel variant)	No functional difference; both support same circuit designs and thermal layouts	Select E6433HTMA1 for automated SMT placement with 1000-piece 180 mm reel
MMBT5401	Lower V_CEO (150 V), lower I_C (0.6 A), SOT-23 package, no thermal pad	Not suitable for >600 mA or >1 W dissipation; limited thermal performance in high-duty-cycle apps	Use only in low-power signal switching where board space is critical and power <0.5 W

Compared with BCP54-16, the E6433HTMA1 offers identical performance with optimized logistics; versus MMBT5401, it delivers 67% higher current rating and integrated thermal pad-critical for automotive and industrial power stages requiring sustained 1 A operation.

Availability

BCP5416E6433HTMA1 is available at Aetrix Electronics and suitable for automotive door modules, industrial fan controllers, audio amplifier output stages, and linear power supply pass applications requiring stable component supply with AEC-Q101 qualification and RoHS compliance.

Supply support for BCP5416E6433HTMA1 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 general-purpose bipolar transistor product line, engineered for reliable, thermally robust operation in automotive body electronics and industrial power interfaces.

FAQ

Is BCP5416E6433HTMA1 pin-compatible with BCP54-16?

Yes - both share identical SOT-223 pinout (base-collector-emitter-collector), same internal die, and identical electrical specifications. The "E6433HTMA1" suffix denotes tape-and-reel packaging (1000 pcs/reel, 180 mm) and date code format; no circuit-level differences exist.

What is the maximum allowable PCB copper area for thermal relief with this part?

For optimal thermal performance, Infineon recommends ≥100 mm² of 2-ounce copper connected to pin 4 (thermal pad) with ≥4 thermal vias (0.3 mm diameter) to inner ground plane. This achieves R_thJA ≈ 45 K/W, enabling full 1 A operation at 70 °C ambient.

Can BCP5416E6433HTMA1 replace BC847 in a 5 V logic interface?

No - BC847 is a small-signal transistor (100 mA I_C, SOT-23), while BCP5416E6433HTMA1 is a medium-power device (1 A I_C, SOT-223). Its higher base drive requirement (50 mA for 500 mA I_C) makes it unsuitable for direct 5 V GPIO interfacing without additional current amplification.

Does this part support pulsed operation above 1 A?

Yes - peak collector current I_CM is rated at 1.5 A for pulse widths ≤10 ms (duty cycle ≤2%). Pulse derating curves confirm 2× I_C capability at t_p = 1 ms, provided thermal pad is properly soldered and ambient remains ≤85 °C.

BCP5416E6433HTMA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

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

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

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

BCP5416E6433HTMA1 FAQ

1.How can I place an order for BCP5416E6433HTMA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP5416E6433HTMA1 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 BCP5416E6433HTMA1 reliable?

The price and inventory of BCP5416E6433HTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP5416E6433HTMA1 is usually 5 days.

3.What payment methods are accepted for BCP5416E6433HTMA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP5416E6433HTMA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP5416E6433HTMA1?

BCP5416E6433HTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP5416E6433HTMA1 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 BCP5416E6433HTMA1?

For technical support, including BCP5416E6433HTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP5416E6433HTMA1 requirements.

6.How does Aetrix verify that BCP5416E6433HTMA1 is sourced from the original manufacturer or authorized distributors?

All BCP5416E6433HTMA1 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 BCP5416E6433HTMA1 meets industry standards.

7.What is the process for return or replacement of BCP5416E6433HTMA1?

All BCP5416E6433HTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BCP5416E6433HTMA1, 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 BCP5416E6433HTMA1 part is unused and in its original packaging.

Return procedure for BCP5416E6433HTMA1:

1.Submit a request within 90 days.

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

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