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Nexperia USA Inc. BCP54-16-QF
- Part No.:
- BCP54-16-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP54-16-QF.pdf
- Description:
- TRANS NPN 45V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:5,451
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Product details
Overview
BCP54-16-QF 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 100–250 hFE at VCE = 2 V / IC = 150 mA. It serves as a low-side switch or MOSFET driver in automotive power management circuits with thermal resistance as low as 93 K/W on 6 cm² copper pad.
For engineers reviewing the BCP54-16-QF datasheet, BCP54-16-QF pinout, BCP54-16-QF application, or BCP54-16-QF equivalent, this device is selected for linear voltage regulators, battery-driven devices, and amplifier stages where high DC gain consistency and automotive-grade reliability are required.
Technical Context
This transistor operates as a single NPN silicon switching element with open-base breakdown voltage of 45 V and emitter-base breakdown of 5 V. Its pulsed peak collector current reaches 2 A (tp ≤ 1 ms), and base-emitter forward voltage is ≤1 V at IC = 500 mA.
Thermal performance depends on PCB mounting: total power dissipation ranges from 0.65 W (standard footprint) to 1.35 W (6 cm² collector pad). Transition frequency is 100–180 MHz at VCE = 5 V / IC = 50 mA / f = 100 MHz, supporting moderate-speed switching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum safe collector-emitter voltage with base open; defines upper rail limit in low-side switch designs. |
| IC | 1 A - Continuous DC collector current rating; supports load switching up to ~12 W at 12 V with adequate heatsinking. |
| hFE | 100–250 - DC current gain at VCE = 2 V / IC = 150 mA; enables predictable base drive sizing for saturation control. |
| VCE(sat) | ≤0.5 V - Collector-emitter saturation voltage at IC = 500 mA / IB = 50 mA; limits conduction loss to <250 mW in saturated operation. |
| Ptot | 1.35 W - Max power dissipation with 6 cm² copper pad; sets thermal design boundary for ambient temperatures up to 75 °C. |
| fT | 100–180 MHz - Transition frequency under specified RF conditions; confirms suitability for audio and sub-MHz switching applications. |
| Rth(j-a) | 93 K/W - Junction-to-ambient thermal resistance with optimized 6 cm² PCB pad; determines temperature rise per watt dissipated. |
Pinout & Package
SOT223 (SC-73) surface-mount plastic package with four leads: pins 1 (B), 2 (C), 3 (E), and 4 (C). The dual-collector configuration enhances thermal conduction and current handling via shared collector terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input node; requires current-limited drive to achieve target hFE-based saturation. |
| 2 | Collector | Main high-current output terminal; electrically and thermally connected to pin 4 for parallel current path. |
| 3 | Emitter | Reference node for biasing; tied to ground or low-side return path in switching configurations. |
| 4 | Collector | Second collector terminal; used with pin 2 to distribute heat and reduce effective RDS(on)-like resistance. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive underhood environments including temperature cycling, humidity, and mechanical shock. |
| Three hFE variants | BCP54-16-QF provides 100–250 gain range-enabling precise base resistor selection without gain binning overhead. |
| Dual-collector SOT223 | Pins 2 and 4 both connect to collector, lowering thermal resistance and improving current sharing in high-power layouts. |
| High Ptot scalability | Power dissipation increases from 0.65 W to 1.35 W with larger copper area-supports flexible thermal design across cost/performance tiers. |
Applications
| Linear Voltage Regulators | MOSFET Drivers |
|---|---|
Use Scenario: Pass transistor in adjustable LDOs delivering 1–3 A at 3.3 V or 5 V from 12 V automotive supply. IC Role / Device Role / Timing Role: NPN series pass element controlled by error amplifier feedback loop. Use Value: Low VCE(sat) minimizes dropout voltage; high hFE reduces base drive burden on control IC. |
Use Scenario: Gate driver stage for N-channel power MOSFETs in BLDC motor controllers or DC-DC converters. IC Role / Device Role / Timing Role: Medium-current level-shifting switch translating logic-level signals to MOSFET gate voltage. Use Value: 1 A IC rating ensures fast gate charge/discharge; dual-collector layout sustains pulse currents up to 2 A. |
| Low-Side Switches | Battery-Driven Devices |
Use Scenario: Load switch for headlights, fans, or solenoids in 12 V/24 V vehicle subsystems. IC Role / Device Role / Timing Role: Ground-referenced switching element activated by microcontroller GPIO or dedicated driver. Use Value: 45 V VCEO withstands load-dump transients; AEC-Q101 compliance guarantees field reliability. |
Use Scenario: Power path control in portable medical monitors or handheld test equipment powered by Li-ion packs. IC Role / Device Role / Timing Role: Enable/disable switch isolating downstream circuitry during standby or fault conditions. Use Value: Low leakage (ICBO ≤ 100 nA) preserves battery life; compact SOT223 footprint saves board space. |
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 |
|---|---|---|---|
| BCP54-10-Q | hFE = 63–160 at same test conditions; lower gain ceiling reduces base drive margin. | Suitable for less sensitive feedback loops or higher base current availability. | Select when tighter hFE tolerance is needed or when lower gain avoids overdrive in fixed-resistor bias networks. |
| ZTX653 | TO-92 package; 60 V VCEO, 1 A IC, hFE = 100–800; no AEC-Q101 qualification. | Limited to non-automotive industrial or consumer use due to package and qualification gap. | Choose only for cost-sensitive non-automotive prototypes where through-hole assembly or wider gain spread is acceptable. |
Compared with BCP54-10-Q and ZTX653, the BCP54-16-QF offers the highest guaranteed hFE floor (100) and automotive qualification-making it optimal for production-grade low-side switches where consistent gain and reliability are critical.
Availability
BCP54-16-QF is available at Aetrix Electronics and suitable for automotive power management, battery protection circuits, and industrial motor control systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BCP54-16-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 essential efficiency technologies, delivering high-performance discrete, logic, and MOSFET solutions for automotive, industrial, and mobile markets.
The BCP54-Q series belongs to Nexperia's AEC-Q101-qualified medium-power bipolar transistor product line, engineered specifically for robustness in automotive power switching and regulation applications.
FAQ
Is BCP54-16-QF pin-compatible with other SOT223 NPN transistors?
Yes-BCP54-16-QF uses standard SOT223 pinout (1=B, 2=C, 3=E, 4=C) and shares identical mechanical dimensions with industry-standard SOT223 devices. However, electrical parameters such as hFE range and thermal resistance differ; verify gain and power dissipation requirements before substitution.
What is the maximum allowable junction temperature during operation?
The absolute maximum junction temperature is 150 °C per IEC 60134. Operation above this threshold causes permanent degradation. Derating is required above 25 °C ambient: for example, at 75 °C ambient, maximum usable power drops to ~0.8 W with a 6 cm² pad (Rth(j-a) = 93 K/W).
Does BCP54-16-QF support pulsed operation beyond its DC ratings?
Yes-it supports peak collector current of 2 A for pulses ≤1 ms (duty cycle ≤ 0.02), enabling short-duration surge handling in motor start-up or inrush limiting. Pulse operation must respect transient thermal impedance curves (Fig. 2–4) to avoid junction overheating.
How does the dual-collector configuration affect PCB layout?
Pins 2 and 4 are internally connected to the collector and designed to be soldered to a common large copper pour. This configuration lowers effective thermal resistance and improves current distribution-PCB land patterns should join both pins to the same thermal pad using ≥1 mm traces and ≥6 cm² copper area for full 1.35 W rating.
BCP54-16-QF 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:
- 100 @ 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
BCP54-16-QF FAQ
1.How can I place an order for BCP54-16-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP54-16-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 BCP54-16-QF reliable?
The price and inventory of BCP54-16-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP54-16-QF is usually 5 days.
3.What payment methods are accepted for BCP54-16-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP54-16-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP54-16-QF?
BCP54-16-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP54-16-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 BCP54-16-QF?
For technical support, including BCP54-16-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP54-16-QF requirements.
6.How does Aetrix verify that BCP54-16-QF is sourced from the original manufacturer or authorized distributors?
All BCP54-16-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 BCP54-16-QF meets industry standards.
7.What is the process for return or replacement of BCP54-16-QF?
All BCP54-16-QF units undergo pre-shipment inspection (PSI). If there is an issue with BCP54-16-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 BCP54-16-QF part is unused and in its original packaging.
Return procedure for BCP54-16-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCP54-16-QF Tags
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