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

Nexperia USA Inc. BCP56-10-QF

Name: BCP56-10-QF
Brand: Nexperia USA Inc.
SKU: BCP56-10-QF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP56-10-QF

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP56-10-QF.pdf

Description:: TRANS NPN 80V 1A SOT-223

Quantity:: RFQ Add To RFQ list

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Inventory:4,297

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Product details

Overview

BCP56-10-QF from Nexperia is an AEC-Q101-qualified NPN medium power transistor in SOT223 (SC-73) package, rated for 80 V V_CEO, 1 A continuous collector current, and 160 h_FE at I_C = 150 mA / V_CE = 2 V. It serves as a low-side switch or MOSFET driver in automotive linear regulators and battery-powered power management circuits.

For engineers reviewing the BCP56-10-QF datasheet, BCP56-10-QF pinout, BCP56-10-QF application, or BCP56-10-QF equivalent, this page delivers verified electrical parameters, thermal derating behavior, junction-to-ambient resistance under three PCB mounting conditions, and validated automotive-grade reliability data per AEC-Q101.

Technical Context

This transistor operates as a silicon NPN bipolar junction device with a maximum collector-emitter breakdown voltage of 80 V and peak pulse current capability of 2 A. Its DC current gain (h_FE) is binned to 63–160 at 150 mA, enabling predictable biasing in linear and switching applications.

Thermal performance is defined across three PCB mounting configurations: standard footprint (1.35 W P_tot, R_th(j-a) = 93 K/W), 1 cm² collector pad (1.00 W, 125 K/W), and 6 cm² pad (0.65 W, 192 K/W). Junction temperature is limited to 150 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	80 V - Maximum safe collector-emitter voltage with base open; defines upper rail limit in low-side switch designs
I_C	1 A - Continuous DC collector current rating; supports 12 V/24 V automotive load switching up to ~12 W dissipation
h_FE	63–160 - Gain range at V_CE = 2 V, I_C = 150 mA; enables stable current mirror or driver stage design without gain compensation
V_CE(sat)	≤500 mV - Saturation voltage at I_C = 500 mA / I_B = 50 mA; ensures <0.25 W conduction loss in high-duty-cycle switching
P_tot	0.65–1.35 W - Total power dissipation dependent on PCB copper area; directly maps to heatsinking requirements in space-constrained modules
f_T	100–180 MHz - Transition frequency at V_CE = 5 V, I_C = 50 mA; supports switching above 100 kHz with minimal gain roll-off
R_th(j-a)	93–192 K/W - Junction-to-ambient thermal resistance; determines temperature rise per watt under defined PCB layout conditions

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with 4 leads: two collector terminals (pins 2 and 4) for enhanced thermal and current handling, one base (pin 1), and one emitter (pin 3). The large collector tab improves heat transfer to PCB copper.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control input node; requires ≥50 mA drive for full saturation at 500 mA collector current
2	Collector	Main current-carrying terminal; electrically and thermally tied to pin 4 and exposed metal tab
3	Emiter	Reference node for bias network; connected to ground or low-side return path in switch configurations
4	Collector	Second collector connection; parallel path with pin 2 to reduce bond wire inductance and improve thermal spreading

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive underhood use including temperature cycling, humidity, and mechanical shock per JESD22 standards
Three h_FE bins	BCP56-10-Q provides mid-range gain (63–160), balancing drive efficiency and stability vs. higher-gain variants
Dual-collector SOT223	Pins 2 and 4 both connect to collector, lowering effective thermal resistance and improving current sharing in high-reliability layouts
High P_tot capability	Up to 1.35 W on 6 cm² copper enables operation without external heatsink in compact 12 V power modules

Applications

Linear Voltage Regulators

MOSFET Drivers

Use Scenario: Pass transistor in adjustable 5 V/3.3 V linear regulators for infotainment head units.

IC Role / Device Role / Timing Role: NPN series pass element controlling output voltage via base bias from error amplifier.

Use Value: 80 V V_CEO allows direct connection to 24 V vehicle battery; 1 A rating supports >500 mA load current with <1.5 V dropout at full load.

Use Scenario: Gate driver for N-channel power MOSFETs in BLDC motor control inverters.

IC Role / Device Role / Timing Role: Low-side level-shifting switch that pulls MOSFET gate to ground during turn-off.

Use Value: ≤500 mV V_CE(sat) minimizes gate discharge loss; dual-collector pins reduce switching transition time by lowering effective output impedance.

Low-Side Switches

Battery-Driven Devices

Use Scenario: Load switch for HVAC actuators or LED lighting in 12 V automotive subsystems.

IC Role / Device Role / Timing Role: High-current NPN switch controlled by microcontroller GPIO through current-limiting resistor.

Use Value: 2 A I_CM peak rating handles inrush currents of solenoids and lamps; AEC-Q101 ensures 15-year field reliability under thermal cycling.

Use Scenario: Power path control in portable diagnostic tools powered by Li-ion packs.

IC Role / Device Role / Timing Role: Reverse-polarity protection and enable switch placed between battery and system PMIC.

Use Value: 5 V V_EBO withstands accidental reverse connection; 150 °C T_j max supports operation inside sealed enclosures with limited airflow.

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
BCP56-16-Q	Higher h_FE bin (100–250) at same test conditions; otherwise identical ratings and package	Better suited for low-drive applications where base current must be minimized, e.g., microcontroller GPIO directly driving base	Select when base drive capability is constrained and gain stability at low I_C is critical
ZTX653	Same SOT223 package but higher V_CEO (100 V), lower h_FE (20–200), and no AEC-Q101 qualification	Acceptable for industrial non-automotive use; unsuitable for automotive due to missing stress-test validation	Choose only for cost-sensitive non-automotive designs requiring extended voltage margin

Compared with BCP56-10-Q, BCP56-16-Q offers higher gain for reduced base drive burden, while ZTX653 trades automotive qualification for wider voltage headroom-making BCP56-10-Q the optimal balance of gain, reliability, and thermal performance in qualified automotive systems.

Availability

BCP56-10-QF is available at Aetrix Electronics and suitable for automotive power management, battery-driven portable diagnostics, and MOSFET gate driving applications requiring stable component supply and long-term lifecycle assurance.

Supply support for BCP56-10-QF 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.

The BCP56-Q series belongs to Nexperia's AEC-Q101-qualified medium-power transistor family, engineered specifically for robust linear regulation, switching, and driver functions in harsh automotive environments.

FAQ

What is the maximum allowable junction temperature for BCP56-10-QF?

The absolute maximum junction temperature is 150 °C, as specified in Table 6 of the datasheet. Operation beyond this limit risks permanent degradation of h_FE and increased leakage. Thermal design must ensure T_j stays below 150 °C under worst-case ambient and power dissipation conditions, using the appropriate R_th(j-a) value for the PCB layout.

Is BCP56-10-QF suitable for use in automotive under-hood applications?

Yes - it is fully qualified to AEC-Q101 for stress testing including temperature cycling, humidity, and mechanical shock. Its guaranteed operation from −55 °C to +150 °C junction temperature, combined with 80 V V_CEO and 1 A I_C, makes it appropriate for engine control modules, body controllers, and other under-hood power switching functions.

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

Pins 2 and 4 are internally shorted to the collector and the exposed metal tab. They must be connected to the same net - ideally a large copper pour - to maximize thermal conduction and current capacity. Separating them or routing only one degrades thermal performance and may cause localized overheating or bond wire failure under pulsed loads.

Can BCP56-10-QF replace BCP56-16-Q in existing designs?

Yes, with functional trade-offs: BCP56-10-Q has lower h_FE (63–160 vs. 100–250), so base drive current must increase by ~30–50% to maintain equivalent saturation at 500 mA. No changes to footprint, voltage ratings, or thermal layout are needed, but verify base resistor values and switching speed impact in the target application.

BCP56-10-QF Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BCP56-Q

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

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:: 63 @ 150mA, 2V

Power - Max:: 650 mW

Frequency - Transition:: 180MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP56-10-QF FAQ

1.How can I place an order for BCP56-10-QF through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP56-10-QF 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 BCP56-10-QF reliable?

The price and inventory of BCP56-10-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP56-10-QF is usually 5 days.

3.What payment methods are accepted for BCP56-10-QF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP56-10-QF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP56-10-QF?

BCP56-10-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP56-10-QF 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 BCP56-10-QF?

For technical support, including BCP56-10-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP56-10-QF requirements.

6.How does Aetrix verify that BCP56-10-QF is sourced from the original manufacturer or authorized distributors?

All BCP56-10-QF 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 BCP56-10-QF meets industry standards.

7.What is the process for return or replacement of BCP56-10-QF?

All BCP56-10-QF units undergo pre-shipment inspection (PSI). If there is an issue with BCP56-10-QF, 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 BCP56-10-QF part is unused and in its original packaging.

Return procedure for BCP56-10-QF:

1.Submit a request within 90 days.

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

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