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Nexperia USA Inc. BCP56-16T-QF
- Part No.:
- BCP56-16T-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP56-16T-QF.pdf
- Description:
- TRANS NPN 80V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:3,081
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Product details
Overview
BCP56-16T-QF from Nexperia is an AEC-Q101-qualified NPN medium power transistor in SOT223 (SC-73) package, rated for 80 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 power management circuits.
For engineers reviewing the BCP56-16T-QF datasheet, BCP56-16T-QF pinout, BCP56-16T-QF application, or BCP56-16T-QF equivalent, key selection criteria include its 100–250 DC current gain range, 1.3 W power dissipation on 4-layer PCB with 1 cm² collector pad, and qualified operation from −55 °C to +150 °C junction temperature.
Technical Context
This transistor uses epitaxial planar technology with a triple-diffused structure optimized for stable hFE across temperature and current. Its base-emitter saturation voltage remains ≤1 V at IC = 500 mA, supporting efficient drive in switching applications.
The device features dual-collector terminals (pins 2 and 4) for enhanced thermal conduction and current handling. Thermal resistance Rth(j-a) drops to 70 K/W when mounted on a 4-layer FR4 PCB with 1 cm² collector pad - critical for sustained 1 A operation in automotive under-hood environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 80 V - supports operation in 24 V automotive systems with margin against load dump transients |
| IC | 1 A continuous - enables direct driving of small solenoids or gate capacitance of logic-level MOSFETs |
| hFE | 100–250 at VCE = 2 V, IC = 150 mA - ensures reliable saturation with low base drive current in linear and switching modes |
| Ptot | 1.3 W on 4-layer PCB with 1 cm² collector pad - allows compact heatsinking without external copper pours |
| fT | 155 MHz typical - supports fast switching up to ~100 kHz with minimal phase lag in feedback loops |
| Rth(j-a) | 70 K/W - enables 1 A operation with ≤70 °C rise above ambient on standard 4-layer board |
| VCE(sat) | ≤500 mV at IC = 500 mA, IB = 50 mA - minimizes conduction loss in high-side switch configurations |
Pinout & Package
SOT223 (SC-73) plastic surface-mount package with integrated heatsink tab (pin 2 and pin 4 both connected to collector), 4-terminal layout optimized for thermal performance on FR4 PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input; requires ≤50 mA base drive for full saturation at 500 mA collector current |
| 2 | Collector | Main current path and primary thermal conduction path to PCB copper pour |
| 3 | Emiter | Reference node; tied to ground or low-side return in high-side switch topology |
| 4 | Collector | Secondary collector terminal electrically identical to pin 2; doubles thermal interface area |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive under-hood use including temperature cycling, humidity, and mechanical shock |
| Dual-collector thermal design | Reduces effective thermal resistance by enabling parallel heat flow paths into PCB |
| Three hFE variants | BCP56-16T-QF provides highest gain bin (100–250) for low-base-drive applications |
| High VCEO rating | 80 V withstand capability accommodates 24 V system transients without clamping circuitry |
| 155 MHz fT | Enables stable operation in PWM-based regulators and fast-switching drivers up to 100 kHz |
Applications
| Linear Voltage Regulators | MOSFET Drivers |
|---|---|
Use Scenario: Pass transistor in adjustable 3-terminal linear regulator for automotive cabin control modules. IC Role / Device Role / Timing Role: NPN pass element controlling output voltage via base bias from error amplifier. Use Value: 100–250 hFE ensures precise regulation with minimal base current draw and low dropout at 1 A load. | Use Scenario: Gate driver for N-channel high-side MOSFET in 12 V/24 V DC-DC buck controller. IC Role / Device Role / Timing Role: Medium-power level shifter and current booster between MCU GPIO and MOSFET gate. Use Value: Dual-collector SOT223 package sustains 1 A peak gate charge current with <500 mV VCE(sat), minimizing driver loss. |
| High-Side Switches | Power Management |
Use Scenario: Load switch for automotive lighting or HVAC actuators requiring reverse-polarity protection. IC Role / Device Role / Timing Role: High-side series switch controlled by microcontroller through base resistor network. Use Value: 80 V VCEO and −55 °C to +150 °C operating range ensure robustness during cold cranking and engine-off hot soak. | Use Scenario: Current-sense amplifier front-end or battery disconnect switch in telematics power tree. IC Role / Device Role / Timing Role: Discrete gain stage or switching element in multi-rail PMIC auxiliary path. Use Value: Low VBE (<1 V) and tight hFE distribution reduce calibration drift across temperature in precision current monitoring. |
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 |
|---|---|---|---|
| BCP56-10T-QF | hFE = 63–160 at IC = 150 mA - lower gain bin | Suitable where higher base drive current is acceptable and tighter gain tolerance not required | Select when cost sensitivity outweighs need for low-base-drive efficiency |
| ZTX951 | TO-92 package, 100 V VCEO, hFE = 100–300, but Ptot = 1 W max - no dual-collector thermal advantage | Limited to lower-power applications due to inferior thermal performance on PCB | Choose only for legacy through-hole designs or space-constrained non-automotive use |
Compared with BCP56-10T-QF, the BCP56-16T-QF delivers higher gain for reduced base drive and better thermal headroom; versus ZTX951, it offers superior PCB-mount thermal management and AEC-Q101 compliance essential for automotive deployment.
Availability
BCP56-16T-QF is available at Aetrix Electronics and suitable for automotive power management, industrial motor controls, and embedded linear regulator designs requiring stable component supply and AEC-Q101 assurance.
Supply support for BCP56-16T-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 high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components.
The BCP56T-Q series belongs to Nexperia's AEC-Q101-qualified medium power transistor product line, engineered specifically for robust switching and linear regulation in automotive power subsystems.
FAQ
What is the maximum allowable junction temperature for BCP56-16T-QF?
The absolute maximum junction temperature is 150 °C per IEC 60134 limiting values. Operation at this limit requires strict thermal design: mounting on a 4-layer FR4 PCB with ≥1 cm² collector copper area and ambient ≤75 °C to maintain safe margin. Derating curves in Figure 1 confirm 1.3 W dissipation at 75 °C ambient.
Is BCP56-16T-QF pin-compatible with other SOT223 NPN transistors?
Yes - it follows standard SOT223 pinout (1=Base, 2=Collector, 3=Emitter, 4=Collector) and shares identical footprint and soldering profiles with industry-standard SOT223 devices. However, electrical parameters like hFE binning and thermal resistance differ; direct substitution requires validation of gain, saturation voltage, and thermal performance in the target layout.
Does BCP56-16T-QF support pulsed operation beyond its DC ratings?
Yes - it supports peak collector current of 2 A for single pulses ≤1 ms (ICM). Safe operating area (SOA) curves in Figure 2 define voltage-current boundaries for transient conditions. At VCE = 40 V, it can sustain 1 A for 10 ms pulses, provided average power stays within thermal limits defined by PCB construction.
How does the dual-collector configuration improve thermal performance?
Pins 2 and 4 are internally shorted to the collector and thermally connected to the large metal tab. This doubles the effective thermal interface area to the PCB, reducing Rth(j-sp) to 18 K/W and enabling lower junction-to-solder-point temperature rise. On a 4-layer board with 1 cm² collector pad, total Rth(j-a) reaches 70 K/W - 30% lower than single-collector equivalents.
BCP56-16T-QF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- BCP56T-Q
- 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):
- 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:
- 600 mW
- Frequency - Transition:
- 155MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
BCP56-16T-QF FAQ
1.How can I place an order for BCP56-16T-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP56-16T-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 BCP56-16T-QF reliable?
The price and inventory of BCP56-16T-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP56-16T-QF is usually 5 days.
3.What payment methods are accepted for BCP56-16T-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP56-16T-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP56-16T-QF?
BCP56-16T-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP56-16T-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 BCP56-16T-QF?
For technical support, including BCP56-16T-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP56-16T-QF requirements.
6.How does Aetrix verify that BCP56-16T-QF is sourced from the original manufacturer or authorized distributors?
All BCP56-16T-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 BCP56-16T-QF meets industry standards.
7.What is the process for return or replacement of BCP56-16T-QF?
All BCP56-16T-QF units undergo pre-shipment inspection (PSI). If there is an issue with BCP56-16T-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 BCP56-16T-QF part is unused and in its original packaging.
Return procedure for BCP56-16T-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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