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

Nexperia USA Inc. BCP53-16H-QX

Name: BCP53-16H-QX
Brand: Nexperia USA Inc.
SKU: BCP53-16H-QX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP53-16H-QX

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP53-16H-QX.pdf

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

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Product details

Overview

BCP53-16H-QX 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 2.2 W total power dissipation on 4-layer FR4 PCB with 1 cm² collector pad. It delivers h_FE = 100–250 at V_CE = −2 V and I_C = −150 mA, and is AEC-Q101 qualified for automotive high-side switches and linear regulators.

For engineers reviewing the BCP53-16H-QX datasheet, BCP53-16H-QX pinout, BCP53-16H-QX application, or BCP53-16H-QX equivalent, this page provides verified pin functions, thermal derating curves, safe operating area limits, h_FE vs. temperature behavior, and validated automotive-grade alternatives - all extracted from Nexperia's official Rev. 1 (29 March 2023) product data sheet.

Technical Context

This PNP transistor operates in linear and switching modes with guaranteed DC current gain of 100–250 under pulsed conditions (t_p ≤ 300 μs, duty ≤ 0.02) at −2 V V_CE and −150 mA I_C. Its −80 V V_CEO and −100 V V_CBO support robust high-voltage biasing in automotive power management rails.

Thermal performance is defined across five mounting configurations: R_th(j-a) ranges from 69 K/W (4-layer PCB, 1 cm² collector pad) to 207 K/W (standard single-sided FR4). Junction temperature is rated up to 175 °C, enabling operation in under-hood environments without derating.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−80 V - Maximum collector-emitter voltage before breakdown; enables use in 48 V automotive systems with margin.
I_C	−1 A - Continuous DC collector current rating; supports medium-power load switching up to 1 A.
h_FE	100–250 at V_CE = −2 V, I_C = −150 mA - Tight gain spread ensures predictable base drive requirements in amplifier and switch designs.
P_tot	2.2 W - Max power dissipation on 4-layer FR4 with 1 cm² collector pad; defines thermal design envelope for heatsink-free operation.
f_T	100–140 MHz - Transition frequency at V_CE = −5 V, I_C = −50 mA; supports high-speed switching in PWM drivers up to ~10 MHz.
V_CE(sat)	≤ −500 mV at I_C = −500 mA, I_B = −50 mA - Low saturation voltage minimizes conduction loss in high-side switch applications.
T_j(max)	175 °C - Maximum junction temperature; allows uninterrupted operation in engine control units and body electronics.

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with 4 leads; lead 4 is an internal collector tab providing enhanced thermal conduction and mechanical stability. Package dimensions: 6.7 × 3.7 × 1.8 mm (L × W × H), with standardized reflow footprint per Figure 19.

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; electrically connected to lead 4 (second collector terminal) for improved thermal path.
3	Emiter (E)	Reference terminal; connected to higher potential rail in high-side switch configuration.
4	Collector (C)	Dedicated thermal and electrical connection to collector; must be soldered to copper pour for rated P_tot and R_th(j-a).

Key Features

Feature	Design Value
AEC-Q101 qualification	Qualified for automotive applications per Stress Test Qualification for Discrete Semiconductors - enables use in safety-critical modules without additional qualification effort.
High-temperature operation	Junction rated to 175 °C - eliminates need for external thermal shutdown in under-hood ECUs and battery management systems.
Three h_FE variants	BCP53-10H-Q (63–160), BCP53-16H-Q (100–250), BCP53H-Q (63–250) - enables precise gain matching for analog feedback loops and current-sense amplifiers.
Enhanced thermal dissipation	2.2 W max on 4-layer FR4 with 1 cm² collector pad - reduces need for discrete heatsinks in space-constrained automotive modules.
Low V_CE(sat)	≤ −500 mV at I_C/I_B = 10 - lowers power loss by >30% compared to standard PNP transistors in 12 V/24 V high-side loads.

Applications

Linear Voltage Regulators

MOSFET Drivers

Use Scenario: Pass element in adjustable LDOs supplying microcontrollers and sensors in automotive body control modules.

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

Use Value: Stable regulation over −40 °C to +150 °C ambient with <1 % line/load regulation drift due to tight h_FE and low V_BE tempco.

Use Scenario: Level-shifting and current-boosting stage driving N-channel MOSFET gates in 48 V DC-DC converters.

IC Role / Device Role / Timing Role: High-current PNP switch sourcing gate charge during turn-on, with fast f_T-limited edge rates.

Use Value: Enables <100 ns gate drive rise time with 2 A peak current capability, reducing MOSFET switching losses by ≥15 %.

High-Side Switches

Power Management

Use Scenario: Load switch controlling fuel pump, radiator fan, or headlight circuits in 12 V/24 V vehicle platforms.

IC Role / Device Role / Timing Role: PNP configured as saturated switch with emitter tied to battery rail and collector to load.

Use Value: −500 mV V_CE(sat) at 1 A ensures <0.5 W conduction loss, eliminating need for active cooling in IP67-rated enclosures.

Use Scenario: Current mirror and bias generator in multi-rail power sequencers for ADAS domain controllers.

IC Role / Device Role / Timing Role: Precision PNP pair establishing stable reference currents independent of supply ripple.

Use Value: Matched h_FE spread (100–250) and low ICBO (<100 nA at 25 °C) ensure <0.2 % current mismatch across temperature.

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
BCP53-10H-Q	h_FE = 63–160 at same test conditions; otherwise identical V_CEO, I_C, P_tot, and package.	Lower gain reduces base drive sensitivity but increases variation in current mirror accuracy.	Select when tighter h_FE tolerance is not required and cost optimization is prioritized.
ZTX951	TO-92 package, V_CEO = −60 V, I_C = −1 A, h_FE = 100–800; no AEC-Q101 qualification.	Not suitable for automotive under-hood use; limited thermal performance (R_th(j-a) ≈ 200 K/W).	Acceptable only for industrial non-automotive linear regulators where qualification is not mandated.

Compared with BCP53-16H-QX, the BCP53-10H-Q offers lower gain consistency for cost-sensitive non-precision uses, while ZTX951 trades automotive reliability and thermal capability for wider h_FE range in legacy through-hole designs.

Availability

BCP53-16H-QX is available at Aetrix Electronics and suitable for automotive body control modules, industrial linear regulators, and high-reliability power management systems requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for BCP53-16H-QX 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, reliable, and scalable solutions for automotive, industrial, and consumer markets.

The BCP53H-Q series belongs to Nexperia's AEC-Q101-qualified medium-power transistor portfolio, engineered specifically for high-temperature, high-reliability automotive power switching and linear regulation applications.

FAQ

What is the maximum allowable base current for continuous operation?

The absolute maximum DC base current (I_B) is −0.2 A per Table 5. For reliable long-term operation, design base drive to maintain I_B ≤ −50 mA at I_C = −500 mA (I_C/I_B = 10), ensuring V_CE(sat) remains ≤ −500 mV and junction temperature stays within 175 °C limit under worst-case thermal conditions.

Can BCP53-16H-QX replace BCP53-10H-Q in existing designs?

Yes - both share identical pinout, package, voltage/current ratings, and thermal specs. The only difference is h_FE range (100–250 vs. 63–160). Substitution improves current gain consistency but may require minor base resistor adjustment if original design relied on minimum h_FE = 63 for saturation margin.

Is the SOT223 package lead-free and RoHS compliant?

Yes - Nexperia confirms the BCP53H-Q series meets RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Lead finish is matte tin (Sn), and the device is halogen-free per IEC 61249-2-21. Full compliance documentation is available via Nexperia's product change notifications.

How does thermal resistance vary with PCB copper layer count?

R_th(j-a) improves from 207 K/W (single-layer FR4, standard footprint) to 69 K/W (4-layer FR4, 1 cm² collector pad) - a 3× reduction. This directly enables 2.2 W dissipation versus 0.725 W in the minimal configuration, making layer count and pad size critical for thermal design validation.

BCP53-16H-QX Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: BCP53H-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:: 100 @ 150mA, 2V

Power - Max:: 725 mW

Frequency - Transition:: 140MHz

Operating Temperature:: 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP53-16H-QX FAQ

1.How can I place an order for BCP53-16H-QX through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP53-16H-QX 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 BCP53-16H-QX reliable?

The price and inventory of BCP53-16H-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP53-16H-QX is usually 5 days.

3.What payment methods are accepted for BCP53-16H-QX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP53-16H-QX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP53-16H-QX?

BCP53-16H-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP53-16H-QX 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 BCP53-16H-QX?

For technical support, including BCP53-16H-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP53-16H-QX requirements.

6.How does Aetrix verify that BCP53-16H-QX is sourced from the original manufacturer or authorized distributors?

All BCP53-16H-QX 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 BCP53-16H-QX meets industry standards.

7.What is the process for return or replacement of BCP53-16H-QX?

All BCP53-16H-QX units undergo pre-shipment inspection (PSI). If there is an issue with BCP53-16H-QX, 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 BCP53-16H-QX part is unused and in its original packaging.

Return procedure for BCP53-16H-QX:

1.Submit a request within 90 days.

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

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