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Nexperia USA Inc. BCP54-16TF
- Part No.:
- BCP54-16TF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP54-16TF.pdf
- Description:
- TRANS NPN 45V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:5,971
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Product details
Overview
BCP54-16TF 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 250 hFE at IC = 150 mA / VCE = 2 V. It serves as a high-side switch or MOSFET driver in automotive linear regulators and industrial power management circuits.
For engineers reviewing the BCP54-16TF datasheet, BCP54-16TF pinout, BCP54-16TF application, or BCP54-16TF equivalent, key selection criteria include its 100–250 DC current gain range, 1.3 W power dissipation on 4-layer PCB, 500 mV VCE(sat) at IC = 500 mA / IB = 50 mA, and thermal resistance of 70 K/W (junction-to-ambient, 4-layer copper).
Technical Context
This transistor operates as a single NPN silicon switching device with base-controlled current amplification. Its design supports linear regulation and switching modes, featuring guaranteed hFE ≥ 100 at 150 mA, VCEO = 45 V, and safe operating area validated up to 2 A peak pulse (tp ≤ 1 ms).
The SOT223 package integrates two collector terminals (pins 2 and 4) for enhanced thermal conduction and current handling. Thermal performance is explicitly characterized across five PCB mounting configurations, with Rth(j-a) ranging from 70 K/W (4-layer, 1 cm² collector pad) to 209 K/W (standard FR4 footprint).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum sustainable collector-emitter voltage with base open; defines upper rail limit in high-side switch designs. |
| IC | 1 A - Continuous DC collector current rating; supports sustained load driving in power management stages. |
| hFE | 100–250 - DC current gain at VCE = 2 V, IC = 150 mA; enables precise base drive sizing for predictable saturation. |
| VCE(sat) | ≤ 500 mV - Collector-emitter saturation voltage at IC = 500 mA / IB = 50 mA; ensures low conduction loss in switching applications. |
| Ptot | 1.3 W - Total power dissipation on FR4 PCB with 4-layer copper and standard footprint; sets thermal derating baseline. |
| fT | 100–155 MHz - Transition frequency at VCE = 5 V, IC = 50 mA; supports moderate-speed switching up to ~10 MHz. |
| Rth(j-a) | 70 K/W - Junction-to-ambient thermal resistance under optimal 4-layer PCB layout; critical for junction temperature control. |
Pinout & Package
SOT223 (SC-73) surface-mount plastic package with integrated heat sink tab (pin 4), 4-terminal configuration optimized for thermal performance and medium-power operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input node; requires current-limited drive to achieve target IC based on hFE range. |
| 2 | Collector | Main high-current output terminal; electrically and thermally connected to exposed metal tab (pin 4). |
| 3 | Emitter | Reference node for biasing; tied to ground or low-side return path in common-emitter configurations. |
| 4 | Collector (heat sink tab) | Dedicated thermal and electrical connection to collector; must be soldered to large copper pour for Rth(j-a) ≤ 70 K/W. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness per JESD22 standards. |
| High hFE bin (100–250) | Reduces required base drive current by up to 2× vs. lower-gain variants (e.g., BCP54-10T), easing MCU GPIO or logic-level driver requirements. |
| Dual-collector thermal design | Pins 2 and 4 both connect to collector, enabling 2× current sharing and lowering effective thermal resistance via PCB copper spreading. |
| 1.3 W Ptot (4-layer PCB) | Supports higher ambient temperatures (up to 100 °C) in enclosed industrial enclosures without active cooling. |
| Low VCE(sat) (≤500 mV) | Minimizes conduction loss in linear regulator pass elements and high-side switches, improving efficiency and reducing thermal stress. |
Applications
| Linear Voltage Regulators | MOSFET Drivers |
|---|---|
|
Use Scenario: Used as the series pass transistor in adjustable linear regulators (e.g., LM317-based circuits) delivering up to 1 A load current. IC Role / Device Role / Timing Role: NPN pass element controlling output voltage via base bias; operates in linear region with continuous current flow. Use Value: Low VCE(sat) reduces dropout voltage and power loss, while high hFE simplifies base bias network design. |
Use Scenario: Driving the gate of N-channel power MOSFETs in DC-DC converter half-bridge or synchronous rectifier stages. IC Role / Device Role / Timing Role: Current amplifier stage translating logic-level signals into high-current gate charge/discharge pulses. Use Value: 2 A peak collector capability enables fast MOSFET turn-on (<100 ns), reducing switching losses in 100–500 kHz converters. |
| High-Side Switches | Power Management ICs |
|
Use Scenario: Controlling 12 V or 24 V loads (e.g., solenoids, lamps, sensors) directly from microcontroller outputs in automotive body electronics. IC Role / Device Role / Timing Role: High-side switch with emitter-follower configuration; collector tied to supply, load between emitter and ground. Use Value: AEC-Q101 qualification ensures robust operation across -40 °C to +125 °C ambient, meeting automotive environmental requirements. |
Use Scenario: Embedded within multi-rail power sequencers or battery-backed backup supplies requiring discrete load switching and current limiting. IC Role / Device Role / Timing Role: Discrete current-sinking or sourcing element for enable/disable control, fault isolation, or current mirror reference. Use Value: Stable hFE over temperature (−55 °C to +150 °C) enables accurate current mirroring and predictable enable timing across wide operating ranges. |
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 |
|---|---|---|---|
| BCP54-10T | hFE = 63–160 (lower gain bin); identical VCEO, IC, package, and AEC-Q101 qualification. | Requires ~1.6× higher base drive current to achieve same IC; less suitable for weak-drive MCUs or low-power logic. | Select when cost sensitivity outweighs base drive margin, or where lower gain improves stability in feedback loops. |
| ZTX653 | TO-92 package; VCEO = 60 V; hFE = 100–300; Ptot = 1 W (free air); no AEC-Q101 qualification. | Limited thermal performance and non-automotive qualification restrict use to commercial/industrial prototypes or low-volume consumer gear. | Choose only for through-hole prototyping or legacy TO-92 board compatibility; not recommended for production automotive or high-reliability systems. |
Compared with BCP54-10T and ZTX653, BCP54-16TF delivers superior base drive efficiency and automotive-grade reliability in a thermally optimized SOT223 package-making it the preferred choice for volume production in automotive power stages and industrial regulators where thermal headroom and qualification compliance are mandatory.
Availability
BCP54-16TF is available at Aetrix Electronics and suitable for automotive body control modules, industrial linear regulators, and MOSFET gate driver circuits requiring stable component supply, AEC-Q101 compliance, and consistent parametric binning.
Supply support for BCP54-16TF 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 essential system functionality, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and mobile markets.
The BCP54T series belongs to Nexperia's AEC-Q101-qualified medium-power bipolar transistor portfolio, engineered specifically for robust switching and linear regulation in harsh-environment automotive power systems.
FAQ
What is the maximum allowable junction temperature for BCP54-16TF?
The absolute maximum junction temperature (Tj) is 150 °C, as defined in the Absolute Maximum Ratings table. Operation above this threshold risks permanent degradation of hFE, increased leakage, and bond wire failure. Derating curves in Figure 1 confirm usable power drops to zero at 150 °C ambient when mounted on standard FR4.
Can BCP54-16TF replace BCP54-10T in existing designs without modification?
Yes-both share identical pinout, package, voltage/current ratings, and thermal specifications. The only functional difference is hFE range (100–250 vs. 63–160). Substitution improves base drive margin but may require verification of stability in feedback-controlled linear regulators due to higher gain.
Is the SOT223 thermal pad (pin 4) electrically isolated?
No-the SOT223 thermal pad (pin 4) is internally connected to the collector. It must be soldered to a dedicated collector copper pour and cannot be used as a floating heatsink. Electrical isolation would require a different package (e.g., SOT89 with insulated tab) or external insulation layer.
Does BCP54-16TF support pulsed operation beyond its 1 A DC rating?
Yes-its peak collector current (ICM) is rated at 2 A for single pulses ≤ 1 ms. Safe operating area (SOA) curves in Figure 2 confirm this capability extends to VCE ≤ 20 V at tp = 1 ms, enabling short-duration surge handling in motor start-up or inrush limiting circuits.
BCP54-16TF 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):
- 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:
- 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
BCP54-16TF FAQ
1.How can I place an order for BCP54-16TF through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP54-16TF 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 BCP54-16TF reliable?
The price and inventory of BCP54-16TF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP54-16TF is usually 5 days.
3.What payment methods are accepted for BCP54-16TF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP54-16TF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP54-16TF?
BCP54-16TF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP54-16TF 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 BCP54-16TF?
For technical support, including BCP54-16TF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP54-16TF requirements.
6.How does Aetrix verify that BCP54-16TF is sourced from the original manufacturer or authorized distributors?
All BCP54-16TF 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 BCP54-16TF meets industry standards.
7.What is the process for return or replacement of BCP54-16TF?
All BCP54-16TF units undergo pre-shipment inspection (PSI). If there is an issue with BCP54-16TF, 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 BCP54-16TF part is unused and in its original packaging.
Return procedure for BCP54-16TF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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