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

Nexperia USA Inc. BCP53T-QF

Name: BCP53T-QF
Brand: Nexperia USA Inc.
SKU: BCP53T-QF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP53T-QF

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP53T-QF.pdf

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

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BCP53T-Q from Nexperia is a PNP medium-power bipolar junction transistor in SOT223 (SC-73) package, rated for −80 V V_CEO, −1 A continuous collector current, and 1.8 W total power dissipation on 4-layer PCB with 1 cm² collector pad. It delivers h_FE = 63–250 at V_CE = −2 V and I_C = −150 mA, and is AEC-Q101 qualified for automotive high-side switch and linear regulator applications.

For engineers reviewing the BCP53T-Q datasheet, BCP53T-Q pinout, BCP53T-Q application, or BCP53T-Q equivalent, this page provides verified electrical parameters, thermal derating curves, safe operating area limits, pin-level circuit roles, and validated automotive-grade alternatives - all confirmed against Nexperia's Rev. 1 (14 June 2023) product data sheet.

Technical Context

This PNP transistor operates in linear and switching modes with guaranteed V_(BR)CEO = −80 V and V_(BR)CBO = −100 V, supporting robust blocking in high-voltage bias networks. Its f_T = 100–140 MHz enables stable operation up to mid-frequency signal amplification and fast switching in MOSFET gate drive stages.

Thermal performance is defined across five mounting configurations: R_th(j-a) ranges from 70 K/W (4-layer PCB, 1 cm² collector pad) to 209 K/W (standard FR4 single-sided footprint), enabling precise thermal design for automotive under-hood environments where T_j must stay ≤150 °C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−80 V - Maximum safe collector-emitter voltage with base open; defines high-side switch blocking capability in 24 V/48 V automotive systems.
I_C	−1 A - Continuous DC collector current; supports load switching up to 1 A without forced cooling on standard PCB layouts.
h_FE	63–250 - DC current gain at V_CE = −2 V, I_C = −150 mA; enables predictable base drive sizing for linear regulators and amplifier stages.
P_tot	1.8 W - Max power dissipation on 4-layer FR4 with 1 cm² collector pad; sets upper limit for thermal design margin in sealed enclosures.
f_T	100–140 MHz - Transition frequency at V_CE = −5 V, I_C = −50 mA; ensures adequate bandwidth for PWM gate driving and audio pre-amplification.
V_CE(sat)	≤ −500 mV - Collector-emitter saturation voltage at I_C = −500 mA, I_B = −50 mA; minimizes conduction loss in high-side switch applications.
R_th(j-a)	70–209 K/W - Junction-to-ambient thermal resistance range across PCB mounting options; critical for junction temperature prediction under load.

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with integrated heatsink pad; 4-terminal configuration optimized for thermal performance in automotive power management.

Pin/Terminal	Circuit Role	Design Meaning
1	Base (B)	Control terminal for forward-biased PNP operation; requires negative base current relative to emitter to turn on.
2	Collector (C)	Main current-carrying terminal connected to high-side rail; electrically tied to Pin 4 for enhanced thermal conduction.
3	Emitter (E)	Reference terminal tied to system ground or load return; source of majority carriers in PNP structure.
4	Collector (C)	Dual-collector connection improves heat spreading and current handling; must be soldered to large copper pour for rated power dissipation.

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive use per Stress Test Qualification for Discrete Semiconductors - enables deployment in engine control, body electronics, and ADAS subsystems.
High power dissipation	1.8 W max on optimized 4-layer PCB - supports sustained operation in thermally constrained modules without external heatsinks.
Three h_FE variants	BCP53T-Q (63–250), BCP53-10T-Q (63–160), BCP53-16T-Q (100–250) - allows precise gain matching for feedback loop stability in linear regulators and amplifiers.
Peak current rating	I_CM = −2 A (tp ≤ 1 ms) - enables short-duration surge handling in motor driver protection circuits and inrush limiting.
Low V_CE(sat)	≤ −500 mV at I_C = −500 mA - reduces conduction losses by >30% vs. legacy PNP transistors, improving efficiency in high-side switches.

Applications

Linear Voltage Regulators

MOSFET Drivers

Use Scenario: Pass transistor in adjustable LDOs for automotive infotainment power rails.

IC Role / Device Role / Timing Role: PNP pass element controlling output voltage via emitter-follower configuration with feedback to base.

Use Value: −80 V V_CEO supports input-to-output differentials up to 40 V, enabling regulation from 48 V battery systems down to 3.3 V/5 V logic supplies.

Use Scenario: High-side level shifter and current booster for N-channel MOSFET gates in half-bridge inverters.

IC Role / Device Role / Timing Role: Active pull-up stage sourcing gate charge during high-side MOSFET turn-on phase.

Use Value: 1.8 W power rating and low V_CE(sat) allow reliable 1 A peak gate drive without thermal throttling in 100 kHz PWM applications.

High-Side Switches

Power Management

Use Scenario: Load switch for automotive lighting or HVAC actuators with reverse-polarity protection.

IC Role / Device Role / Timing Role: Main switching element placed between battery rail and load, controlled by microcontroller GPIO via base resistor.

Use Value: AEC-Q101 qualification and −2 A I_CM ensure robustness against load dump transients and inductive kickback in 12 V/24 V vehicle architectures.

Use Scenario: Current-sense amplifier front-end and bias generator in multi-rail PMIC reference designs.

IC Role / Device Role / Timing Role: Precision current mirror component and stable bias current source for op-amp and comparator stages.

Use Value: Tight h_FE spread (63–250) and low ICBO (≤100 nA) enable accurate current replication over −55 °C to +150 °C ambient range.

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
BCP53-16T-Q	Higher minimum h_FE (100 vs. 63); same V_CEO, I_C, package	Better suited for low-base-drive applications like precision current mirrors where gain consistency matters more than absolute max current	Select when tighter h_FE tolerance is required and base drive current budget is limited
BCP56T-Q	NPN complement; identical V_CEO, I_C, package, and AEC-Q101 rating but opposite polarity	Used in low-side switching, emitter-follower buffers, and complementary push-pull output stages	Choose for NPN topology needs - not a drop-in replacement but functionally symmetric in dual-rail designs

Compared with BCP53-16T-Q, the BCP53T-Q offers broader h_FE range for flexible base drive design, while BCP56T-Q enables complementary NPN implementation in the same thermal and mechanical footprint - both retain full AEC-Q101 compliance and SOT223 mounting compatibility.

Availability

BCP53T-Q is available at Aetrix Electronics and suitable for automotive power management, industrial linear regulators, and high-reliability MOSFET driver circuits requiring stable component supply and long-term lifecycle support.

Supply support for BCP53T-Q 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 essential efficiency-enhancing components, delivering high-performance, high-reliability discrete and logic devices.

The BCP53T-Q belongs to Nexperia's AEC-Q101-qualified medium-power transistor family, engineered specifically for automotive and industrial power control applications demanding robust thermal behavior and consistent gain performance.

FAQ

What is the maximum junction temperature for continuous operation?

The BCP53T-Q has a maximum junction temperature (T_j) of 150 °C, as specified in Table 6 of the datasheet. This limit applies under all operating conditions, including continuous DC and pulsed loads. Thermal design must ensure that actual T_j stays below this threshold using appropriate PCB copper area and layer count, especially in automotive under-hood environments where ambient temperatures reach 125 °C.

Is BCP53T-Q pin-compatible with older BCP53 variants?

Yes - BCP53T-Q uses the same SOT223 (SC-73) package and 4-pin pinout (B-C-E-C) as legacy BCP53 series parts. However, it adds AEC-Q101 qualification and updated thermal ratings; electrical parameters such as h_FE min/max and V_CE(sat) are aligned with the newer specification, making it a direct replacement in automotive and industrial designs requiring enhanced reliability.

How does the dual-collector configuration affect PCB layout?

Pins 2 and 4 are internally connected to the same collector node and must both be soldered to a common thermal pad. The datasheet recommends a minimum 1 cm² copper area on inner layers for optimal heat transfer. Using only one collector pad or splitting the pads degrades thermal resistance by up to 139 K/W, risking premature thermal shutdown or parametric shift in high-current operation.

Can BCP53T-Q be used in Class AB audio amplifier output stages?

Yes - its f_T of 100–140 MHz, low V_CE(sat), and stable h_FE over −55 °C to +150 °C make it suitable for medium-power Class AB emitter-follower output stages. It delivers clean linearity up to ~500 kHz with proper biasing; however, for >1 W continuous audio output, thermal derating per Figure 1 must be applied to maintain T_j < 130 °C for long-term reliability.

BCP53T-QF Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BCP53T-Q

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

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:: 600 mW

Frequency - Transition:: 140MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP53T-QF FAQ

1.How can I place an order for BCP53T-QF through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP53T-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 BCP53T-QF reliable?

The price and inventory of BCP53T-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53T-QF is usually 5 days.

3.What payment methods are accepted for BCP53T-QF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53T-QF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP53T-QF?

BCP53T-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP53T-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 BCP53T-QF?

For technical support, including BCP53T-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53T-QF requirements.

6.How does Aetrix verify that BCP53T-QF is sourced from the original manufacturer or authorized distributors?

All BCP53T-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 BCP53T-QF meets industry standards.

7.What is the process for return or replacement of BCP53T-QF?

All BCP53T-QF units undergo pre-shipment inspection (PSI). If there is an issue with BCP53T-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 BCP53T-QF part is unused and in its original packaging.

Return procedure for BCP53T-QF:

1.Submit a request within 90 days.

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

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