My Inquiry
My Account
Nexperia USA Inc. BCP54-10TF
- Part No.:
- BCP54-10TF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP54-10TF.pdf
- Description:
- TRANS NPN 45V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:4,920
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BCP54-10TF from Nexperia is an AEC-Q101-qualified NPN medium power transistor in SOT223 (SC-73) package, rated for 45 V VCEO, 1 A continuous collector current, and 2 A peak pulse current. It delivers DC current gain (hFE) of 63–160 at VCE = 2 V and IC = 150 mA, with low 500 mV VCE(sat) at IC = 500 mA / IB = 50 mA - optimized for MOSFET drivers and high-side switch circuits in automotive power management.
For engineers reviewing the BCP54-10TF datasheet, BCP54-10TF pinout, BCP54-10TF application, or BCP54-10TF equivalent, key selection criteria include its 1.3 W power dissipation on 4-layer PCB, thermal resistance Rth(j-a) as low as 70 K/W, and guaranteed performance across −55 °C to +150 °C ambient range - critical for under-hood linear regulators and industrial amplifiers.
Technical Context
This NPN bipolar junction transistor operates in active and saturation regions with defined breakdown limits: VCEO = 45 V, VCB0 = 45 V, and VEB0 = 5 V. Its pulsed operation supports single-pulse ICM = 2 A (tp ≤ 1 ms), enabling robust transient handling in switching applications.
The device features three hFE bins (BCP54T/−10T/−16T); BCP54-10TF belongs to the 63–160 bin, offering predictable current amplification for base-driven load control. Thermal design is supported by five distinct Rth(j-a) values (70–209 K/W), dependent on PCB copper layer count and collector pad area.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - maximum safe collector-emitter voltage with open base; defines upper rail limit in high-side switch designs |
| IC | 1 A continuous - steady-state current capacity for driving gate capacitance of power MOSFETs or small solenoids |
| hFE | 63–160 at VCE = 2 V, IC = 150 mA - enables precise base current sizing for stable biasing in linear regulators |
| VCE(sat) | ≤500 mV at IC = 500 mA, IB = 50 mA - minimizes conduction loss and self-heating in saturated-switch applications |
| Ptot | 1.3 W on 4-layer FR4 PCB with standard footprint - determines heatsinking requirements for sustained 1 A operation |
| Rth(j-a) | 70 K/W on 4-layer FR4 with 1 cm² collector pad - quantifies thermal path efficiency for junction-to-ambient cooling |
| fT | 100–155 MHz at VCE = 5 V, IC = 50 mA - supports moderate-speed switching up to ~10 MHz with adequate gain margin |
Pinout & Package
SOT223 (SC-73) surface-mount plastic package with integrated heatsink tab (pin 4 connected to collector). Four-terminal configuration enables dual-collector routing for enhanced thermal and current-handling capability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input; requires current-limited drive (max IB = 0.2 A DC, 0.3 A pulse) to avoid saturation delay |
| 2 | Collector | Main current output terminal; electrically tied to pin 4 for parallel current sharing and improved thermal conduction |
| 3 | Emiter | Reference node for bias network; must be low-impedance return path to sustain hFE performance |
| 4 | Collector | Secondary collector connection; used for direct PCB copper pour attachment to dissipate up to 1.3 W reliably |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive under-hood use including temperature cycling, humidity, and mechanical shock per JESD22 standards |
| High power dissipation | 1.3 W on 4-layer PCB - enables replacement of TO-220 devices in space-constrained automotive ECUs without external heatsinks |
| Three hFE bins | BCP54-10TF's 63–160 range ensures consistent gain matching across production lots for stable feedback loop design |
| Low VCE(sat) | 500 mV max at 500 mA - reduces power loss by >30% vs. generic 1 A transistors, improving efficiency in linear regulator pass elements |
| Thermal resistance optimization | Rth(j-a) down to 70 K/W - allows operation at full 1 A load up to +100 °C ambient without derating on multilayer boards |
Applications
| Automotive Linear Regulators | MOSFET Gate Drivers |
|---|---|
|
Use Scenario: Low-noise 5 V/1 A output stage in engine control unit (ECU) power supply. IC Role / Device Role / Timing Role: Pass transistor regulating output voltage via emitter-follower configuration with feedback to base. Use Value: 500 mV VCE(sat) limits dropout voltage and thermal rise, enabling compact layout without forced air cooling. |
Use Scenario: High-current turn-on driver for 100 nC gate charge automotive MOSFETs in motor control inverters. IC Role / Device Role / Timing Role: Switching element sourcing ≥50 mA peak base current to rapidly charge/discharge gate capacitance. Use Value: 2 A ICM rating supports 10× overcurrent margin during gate charging transients, preventing latch-up. |
| High-Side Load Switches | Industrial Amplifier Stages |
|
Use Scenario: 24 V battery-fed high-side switch controlling solenoid valves in commercial vehicle braking systems. IC Role / Device Role / Timing Role: Saturated NPN switch placed between load and positive rail, controlled by microcontroller GPIO. Use Value: 45 V VCEO withstands load-dump transients up to 35 V, eliminating need for external TVS clamping. |
Use Scenario: Class-A preamplifier stage in industrial sensor signal conditioning module operating at ±15 V rails. IC Role / Device Role / Timing Role: Current amplifier providing 20 dB voltage gain with low distortion at 1 kHz–100 kHz. Use Value: 155 MHz fT ensures flat gain response and minimal phase shift across audio band, preserving signal fidelity. |
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 |
|---|---|---|---|
| BCP54-16TF | hFE = 100–250 (higher gain bin), same VCEO/IC/package | Better suited for low-base-drive applications like microcontroller-output buffering where IB < 5 mA | Select when base drive current is limited and higher hFE improves loop stability or reduces driver complexity |
| ZTX653 | TO-92 package, VCEO = 60 V, IC = 1 A, hFE = 100–800, no AEC-Q101 qualification | Larger footprint, lower thermal performance (Rth(j-a) ≈ 200 K/W), not automotive-grade | Choose only for non-automotive prototyping or cost-sensitive consumer designs where qualification is unnecessary |
Compared with BCP54-10TF, BCP54-16TF offers higher gain for reduced base drive burden but identical thermal and voltage ratings, while ZTX653 trades AEC-Q101 compliance and SMT manufacturability for wider voltage margin and higher hFE variability - making BCP54-10TF optimal for production automotive systems requiring reliability and thermal predictability.
Availability
BCP54-10TF is available at Aetrix Electronics and suitable for automotive power management, industrial linear regulators, and high-reliability MOSFET driver circuits requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for BCP54-10TF 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 BCP54T series belongs to Nexperia's AEC-Q101-qualified medium power transistor family, engineered specifically for automotive power conversion, load switching, and analog signal conditioning where thermal robustness and parametric consistency are mandatory.
FAQ
What is the maximum allowable base current for continuous operation?
The absolute maximum DC base current (IB) is 0.2 A per datasheet limiting values. For reliable long-term operation, design base drive to stay below 100 mA continuous to prevent bond wire degradation and maintain hFE stability across temperature. Pulse operation allows up to 0.3 A for ≤1 ms, provided duty cycle remains below 2%.
Can BCP54-10TF replace BCP54-16TF in existing designs?
Yes, BCP54-10TF is pin- and package-compatible with BCP54-16TF, but its lower hFE range (63–160 vs. 100–250) may require increasing base drive current by up to 2× to maintain the same collector current. Verify saturation voltage and thermal rise under worst-case load conditions before substitution.
Is the collector tab (pin 4) internally connected to pin 2?
Yes - pins 2 and 4 are electrically common and both connect to the collector. This dual-collector configuration enhances current handling and provides two independent solder points for thermal pad attachment, reducing effective Rth(j-a) when both are routed to large copper areas.
Does BCP54-10TF support operation at 150 °C junction temperature?
Yes - the datasheet specifies Tj(max) = 150 °C and guarantees parametric performance within limits up to that temperature. However, power dissipation must be derated above +25 °C ambient using the published thermal curves; at +125 °C ambient, maximum continuous IC drops to approximately 0.45 A on a 4-layer PCB.
BCP54-10TF 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):
- 45 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:
- 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
BCP54-10TF FAQ
1.How can I place an order for BCP54-10TF through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP54-10TF 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 BCP54-10TF reliable?
The price and inventory of BCP54-10TF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP54-10TF is usually 5 days.
3.What payment methods are accepted for BCP54-10TF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP54-10TF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP54-10TF?
BCP54-10TF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP54-10TF 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 BCP54-10TF?
For technical support, including BCP54-10TF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP54-10TF requirements.
6.How does Aetrix verify that BCP54-10TF is sourced from the original manufacturer or authorized distributors?
All BCP54-10TF 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 BCP54-10TF meets industry standards.
7.What is the process for return or replacement of BCP54-10TF?
All BCP54-10TF units undergo pre-shipment inspection (PSI). If there is an issue with BCP54-10TF, 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 BCP54-10TF part is unused and in its original packaging.
Return procedure for BCP54-10TF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCP54-10TF Tags
-
MMBT3906LT1G
onsemi
-
MMBT3904-7-F
Diodes Incorporated
-
MMBT3904LT1G
onsemi
-
MMBT3906-7-F
Diodes Incorporated
-
MMBT3904-TP
Micro Commercial Co
-
MMBT2222A-7-F
Diodes Incorporated
-
BC846BLT1G
onsemi
-
BC847B,215
Nexperia USA Inc.
-
SMMBT3904LT1G
onsemi
-
MMBT2222A-TP
Micro Commercial Co
-
MMBTA06LT1G
onsemi
-
MMBT2222ALT1G
onsemi
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
