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

Nexperia USA Inc. BCP55-16TF

Name: BCP55-16TF
Brand: Nexperia USA Inc.
SKU: BCP55-16TF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BCP55-16TF

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

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

Datasheet:: BCP55-16TF.pdf

Description:: TRANS NPN 60V 1A SOT-223

Quantity:: RFQ Add To RFQ list

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Inventory:3,815

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Product details

Overview

BCP55-16TF from Nexperia is an AEC-Q101 qualified NPN medium power transistor in SOT223 (SC-73) package, rated for 60 V V_CEO, 1 A continuous collector current, and 250 h_FE at I_C = 150 mA / V_CE = 2 V - used in high-side switch and MOSFET driver stages of automotive power management systems.

For engineers reviewing the BCP55-16TF datasheet, BCP55-16TF pinout, BCP55-16TF application, or BCP55-16TF equivalent, this page delivers verified electrical parameters, thermal derating behavior, junction-to-ambient thermal resistance under five PCB mounting conditions, and validated alternatives for linear regulator and amplifier designs requiring stable h_FE > 100 at 150 mA.

Technical Context

This device operates as a silicon NPN bipolar junction transistor with fixed gain binning (h_FE = 100–250), optimized for medium-power switching and linear amplification where low V_CE(sat) (≤500 mV at I_C = 500 mA / I_B = 50 mA) and robust thermal performance on FR4 PCBs are required.

It supports pulsed operation up to 2 A (t_p ≤ 1 ms), features 5 V V_EBO, and maintains safe operating area integrity across −55 °C to +150 °C ambient, with junction temperature limited to 150 °C and thermal resistance as low as 70 K/W when mounted on 4-layer copper PCB with 1 cm² collector pad.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	60 V - maximum collector-emitter voltage before breakdown; enables use in 48 V automotive supply rails and industrial 24–48 V systems.
I_C	1 A continuous - supports sustained load switching in power management blocks without forced cooling.
h_FE	100–250 at V_CE = 2 V, I_C = 150 mA - tight DC current gain bin ensures predictable base drive requirements in linear regulators.
V_CE(sat)	≤500 mV at I_C = 500 mA, I_B = 50 mA - minimizes conduction loss in high-side switch configurations.
P_tot	1.8 W on 4-layer FR4 with 1 cm² collector pad - enables higher power density than standard SOT223 variants without heatsink.
R_th(j-a)	70 K/W (4-layer FR4, 1 cm² pad) - allows ~25.7 °C rise per watt, critical for thermal margin in enclosed automotive ECUs.
f_T	100–155 MHz - sufficient for audio-frequency amplification and fast-switching control loops in SMPS feedback paths.

Pinout & Package

SOT223 (SC-73) surface-mount plastic package with 4 leads: pins 1 (base), 2 (collector), 3 (emitter), and 4 (collector). Pin 4 provides enhanced thermal conduction via extended collector tab, enabling improved power dissipation over standard 3-lead SOT223.

Pin/Terminal	Circuit Role	Design Meaning
1	Base	Control terminal; requires ~50 mA drive for full saturation at 500 mA collector current.
2	Collector	Main current input; electrically and thermally connected to pin 4 for dual-path heat spreading.
3	Emitter	Current return path; tied to ground or low-side reference in high-side switch topologies.
4	Collector	Secondary collector connection; must be soldered to large copper pour for thermal performance compliance.

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive underhood applications including engine control modules and body electronics.
High h_FE bin (100–250)	Reduces base drive circuit complexity and improves efficiency in linear voltage regulators.
Dual-collector thermal design	Enables 1.8 W total power dissipation on 4-layer PCB - 2.6× higher than standard SOT223 baseline.
Low V_CE(sat)	Ensures <1.25 W conduction loss at 500 mA, critical for thermally constrained space-constrained modules.
60 V breakdown rating	Supports transient immunity in 42 V automotive systems (ISO 7637-2 Pulse 1/2/5a) without external clamping.

Applications

Linear Voltage Regulators

MOSFET Drivers

Use Scenario: Pass transistor in adjustable 3-terminal linear regulator delivering 1 A at 5–12 V output.

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

Use Value: Stable h_FE bin ensures consistent dropout voltage and thermal foldback behavior across production lots.

Use Scenario: Gate driver stage for N-channel high-side MOSFET in buck converter half-bridge.

IC Role / Device Role / Timing Role: Medium-current level shifter and current amplifier between controller IC and power FET gate.

Use Value: 500 mV V_CE(sat) minimizes driver-stage conduction loss while supporting 10–20 ns turn-on edge rates.

High-Side Switches

Power Amplifiers

Use Scenario: Load switch for automotive lighting or HVAC actuators powered from 12–48 V battery rail.

IC Role / Device Role / Timing Role: NPN-controlled high-side switch with emitter-follower configuration and integrated base resistor network.

Use Value: 60 V V_CEO withstands load-dump transients; dual-collector thermal path sustains 1 A continuous without derating.

Use Scenario: Class-A audio preamplifier stage or sensor signal conditioning amplifier in industrial sensors.

IC Role / Device Role / Timing Role: Linear amplification element biased in active region with fixed h_FE-based current mirror loading.

Use Value: 155 MHz f_T supports bandwidth >1 MHz; low C_c (4.5 pF) preserves phase margin in closed-loop configurations.

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
BCP55-10TF	h_FE = 63–160 (lower gain bin); identical V_CEO, I_C, package, and thermal specs	Suitable where lower base drive sensitivity is acceptable, e.g., fixed-gain feedback loops with wide tolerance	Select when tighter h_FE control is unnecessary and cost optimization is prioritized.
ZTX653	TO-92 package; V_CEO = 60 V, I_C = 1 A, h_FE = 100–300, but R_th(j-a) = 200 K/W (no thermal pad)	Limited to low-power, non-automotive applications due to lack of AEC-Q101 and inferior thermal performance	Choose only for prototyping or low-volume consumer designs where SMT assembly is not required.

Compared with BCP55-10TF, the -16TF offers higher minimum h_FE for more predictable base current design; versus ZTX653, it delivers 2.9× better thermal resistance and automotive qualification - making it the sole option for production-grade automotive high-side switches.

Availability

BCP55-16TF is available at Aetrix Electronics and suitable for automotive engine control units, industrial linear regulators, and high-reliability MOSFET driver circuits requiring stable component supply and AEC-Q101 compliance.

Supply support for BCP55-16TF 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 BCP55T series belongs to Nexperia's medium-power bipolar transistor product line, engineered specifically for automotive and industrial power management applications demanding AEC-Q101 reliability, thermal robustness, and precise DC gain control.

FAQ

Is BCP55-16TF pin-compatible with standard 3-lead SOT223 transistors?

No - BCP55-16TF uses a 4-lead SOT223 (SC-73) package with dual collector terminals (pins 2 and 4). Standard 3-lead SOT223 footprints omit pin 4, so PCB layout must allocate space and copper for the second collector pad to achieve rated power dissipation and thermal performance.

What is the maximum allowable base current for continuous operation?

The absolute maximum DC base current is 0.2 A per datasheet limiting values. However, for reliable long-term operation at I_C = 1 A, base current should be limited to ≤100 mA to avoid bond wire overheating and ensure h_FE stability across temperature and lifetime.

Does the AEC-Q101 qualification cover all temperature ranges specified?

Yes - AEC-Q101 qualification includes testing across −55 °C to +150 °C ambient, covering the full specified operating range. The qualification encompasses HTOL (high-temperature operating life), TC (temperature cycling), and UHAST (unbiased highly accelerated stress test) per Rev. G standards.

How does thermal performance change when using only a single-layer PCB?

On single-layer FR4 with standard footprint, R_th(j-a) rises to 209 K/W, reducing maximum usable power to ~0.6 W at 25 °C ambient. To maintain 1 A operation, either increase copper area under pin 4 to ≥6 cm² (R_th = 97 K/W) or add forced airflow to offset thermal resistance penalty.

BCP55-16TF Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

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):: 60 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:: 1.3 W

Frequency - Transition:: 155MHz

Operating Temperature:: 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-223

BCP55-16TF FAQ

1.How can I place an order for BCP55-16TF through Aetrix?

Please submit a Request for Quotation (RFQ) for BCP55-16TF 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 BCP55-16TF reliable?

The price and inventory of BCP55-16TF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP55-16TF is usually 5 days.

3.What payment methods are accepted for BCP55-16TF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP55-16TF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCP55-16TF?

BCP55-16TF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCP55-16TF 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 BCP55-16TF?

For technical support, including BCP55-16TF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP55-16TF requirements.

6.How does Aetrix verify that BCP55-16TF is sourced from the original manufacturer or authorized distributors?

All BCP55-16TF 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 BCP55-16TF meets industry standards.

7.What is the process for return or replacement of BCP55-16TF?

All BCP55-16TF units undergo pre-shipment inspection (PSI). If there is an issue with BCP55-16TF, 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 BCP55-16TF part is unused and in its original packaging.

Return procedure for BCP55-16TF:

1.Submit a request within 90 days.

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

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