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Nexperia USA Inc. BCP56-10T-QX
- Part No.:
- BCP56-10T-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BCP56-10T-QX.pdf
- Description:
- TRANS NPN 80V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:9,869
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Product details
Overview
BCP56-10T-Q 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 160 hFE at VCE = 2 V / IC = 150 mA. It serves as a high-side switch or MOSFET driver in automotive linear regulators and power management circuits.
For engineers reviewing the BCP56-10T-Q datasheet, BCP56-10T-Q pinout, BCP56-10T-Q application, or BCP56-10T-Q equivalent, key selection criteria include its 80 V breakdown voltage, 1.3 W power dissipation on 4-layer PCB, AEC-Q101 qualification, and dual-collector thermal design enabling stable operation in 12 V/24 V automotive systems.
Technical Context
This NPN bipolar junction transistor features a robust silicon die optimized for medium-power switching and linear amplification. Its dual-collector configuration (pins 2 and 4) enhances thermal conduction to the PCB heatsink pad, supporting sustained 1 A DC operation under automotive ambient conditions up to 125 °C.
The device delivers hFE = 63–160 across IC = 5 mA to 500 mA, with VCE(sat) ≤ 500 mV at IC = 500 mA / IB = 50 mA, enabling efficient low-loss switching in high-side configurations where base drive is referenced to ground.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 80 V - Withstands full automotive battery transients (e.g., load dump) without breakdown in open-base configuration. |
| IC | 1 A continuous - Supports ≥12 W power handling in linear regulators or gate drivers for 30 A MOSFETs. |
| hFE | 63–160 @ VCE=2 V, IC=150 mA - Enables predictable base current sizing (e.g., 0.94–2.38 mA) for 150 mA collector load. |
| Ptot | 1.3 W @ 4-layer PCB, 1 cm² collector pad - Delivers 2.5× higher power than standard FR4 single-layer mounting. |
| Rth(j-a) | 70 K/W @ 4-layer PCB - Ensures junction temperature stays ≤125 °C at 1 A with 50 °C ambient, critical for AEC-Q101 reliability. |
| fT | 155 MHz typical @ VCE=5 V, IC=50 mA - Supports fast switching in PWM-driven gate drivers up to ~10 MHz effective frequency. |
| VBE | ≤1 V @ IC=500 mA - Minimizes base drive power loss and simplifies biasing with standard logic-level or op-amp outputs. |
Pinout & Package
SOT223 (SC-73) surface-mount plastic package with integrated heatsink tab (pin 2 and 4 both connected to collector); footprint optimized for thermal performance on 4-layer PCBs with ≥1 cm² copper pour under the tab.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input; requires 0.9–2.4 mA base current to saturate 150–500 mA collector loads. |
| 2 | Collector | Main high-current output path; electrically tied to pin 4; soldered to PCB heatsink for thermal management. |
| 3 | Emiter | Reference node for emitter-follower or grounded-emitter configurations; connects to system ground or load return. |
| 4 | Collector | Second collector terminal; redundant connection to pin 2, enhancing mechanical stability and thermal conduction to PCB. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood applications including temperature cycling, humidity, and mechanical shock per JESD47. |
| Dual-collector thermal design | Pins 2 and 4 both connect to collector, doubling solder joint area and reducing thermal resistance by up to 30% vs. single-pin variants. |
| Three hFE grades | BCP56-10T-Q (63–160), BCP56-16T-Q (100–250), BCP56T-Q (63–250) - Enables precise gain matching for production-critical analog feedback loops. |
| High VCEO / VCBO | 80 V / 100 V ratings - Allows direct use in 24 V commercial vehicle systems without external clamping components. |
| Low VCE(sat) | ≤500 mV @ IC/IB = 10 - Reduces conduction loss to <500 mW at 1 A, improving efficiency in linear pass elements. |
Applications
| Automotive Linear Regulators | MOSFET Gate Drivers |
|---|---|
Use Scenario: 5 V/1 A post-regulator stage in body control module (BCM) supplying microcontroller and sensor rails. IC Role / Device Role / Timing Role: NPN pass transistor operating in linear mode, dissipating up to 7 W during cold-crank (6.5 V input → 5 V output @ 1 A). Use Value: AEC-Q101 qualification ensures 15-year field reliability; 80 V rating withstands ISO 7637-2 pulse 5a (120 V transient) without failure. |
Use Scenario: High-side driver for N-channel power MOSFET controlling 12 V headlamp load in adaptive driving beam (ADB) system. IC Role / Device Role / Timing Role: Switching element that pulls MOSFET gate to 12 V when base is driven high; operates in saturation during ON state. Use Value: Dual-collector thermal path maintains Tj < 130 °C at 10 kHz PWM, preventing thermal runaway during extended high-beam operation. |
| High-Side Power Switches | Industrial Amplifier Stages |
Use Scenario: 24 V supply enable switch in industrial PLC I/O module, controlling power to isolated analog output circuitry. IC Role / Device Role / Timing Role: Medium-power series switch placed between 24 V rail and load; base driven by optocoupler-isolated controller. Use Value: 1 A continuous rating supports ≥20 W load capacity; VCEO = 80 V provides 3× safety margin over nominal 24 V bus. |
Use Scenario: Class-A audio preamplifier gain stage in automotive infotainment amplifier, biased at IC = 150 mA. IC Role / Device Role / Timing Role: Linear amplification device with fixed emitter degeneration; configured as common-emitter with 2 kΩ collector load. Use Value: hFE = 63–160 enables stable DC bias point; fT = 155 MHz ensures flat response to 20 kHz with ≤0.1 dB gain variation. |
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 |
|---|---|---|---|
| BCP56-16T-Q | Higher hFE range (100–250) at same VCE/IC; identical VCEO, IC, package, and AEC-Q101 status. | Better suited for low-base-drive applications (e.g., microcontroller GPIO direct drive) where gain consistency >100 is required. | Select when tighter hFE tolerance or lower base current is needed; otherwise BCP56-10T-Q offers wider gain spread for cost-sensitive designs. |
| ZTX653 | TO-92 package; 100 V VCEO; 1.5 A IC; no AEC-Q101 qualification; hFE = 100–800 @ IC = 150 mA. | Not suitable for automotive underhood use; limited thermal capability due to through-hole package and no heatsink tab. | Acceptable only for non-automotive industrial or consumer applications where qualification and thermal performance are secondary. |
Compared with BCP56-10T-Q, the BCP56-16T-Q offers higher guaranteed gain for reduced base drive complexity, while ZTX653 trades automotive reliability and thermal performance for higher voltage rating and broader hFE range in legacy through-hole form.
Availability
BCP56-10T-Q is available at Aetrix Electronics and suitable for automotive linear regulators, MOSFET drivers, and high-side power switches requiring stable component supply across long-lifecycle programs.
Supply support for BCP56-10T-Q 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 semiconductors, delivering high-performance, reliable discrete, logic, and MOSFET devices for automotive, industrial, and consumer markets.
The BCP56T-Q series belongs to Nexperia's AEC-Q101-qualified medium-power transistor portfolio, engineered specifically for automotive power management and interface functions demanding robust thermal behavior and transient resilience.
FAQ
What is the maximum allowable junction temperature for BCP56-10T-Q?
The absolute maximum junction temperature (Tj) is 150 °C per the datasheet Limiting Values table. Operation must remain within this limit under all conditions, including worst-case ambient (125 °C) and power dissipation (1.3 W on 4-layer PCB). Derating curves in Figure 1 confirm safe operation down to 70 °C ambient at full 1 A load.
Can BCP56-10T-Q be used in a Darlington configuration?
Yes - its 80 V VCEO and 1 A IC rating make it suitable as the first-stage transistor in a medium-power Darlington pair. However, total VCE(sat) will be ~1.2 V (sum of two VBE drops plus second-stage VCE(sat)), and thermal design must account for combined dissipation across both devices.
How does the dual-collector (pins 2 and 4) improve thermal performance?
Pins 2 and 4 are internally shorted to the same collector node and physically designed to solder to adjacent PCB copper areas. This doubles the thermal conduction path area, reducing Rth(j-a) from 97 K/W (single-sided 6 cm² pad) to 70 K/W (4-layer 1 cm² pad), directly enabling higher continuous current in space-constrained automotive modules.
Is BCP56-10T-Q pin-compatible with older BCP56 variants like BCP56-10?
No - BCP56-10T-Q uses the SOT223 (SC-73) package with four leads (including dual collector), whereas legacy BCP56-10 uses the 3-lead SOT-223 variant without pin 4. The pin 4 collector connection is unique to the T-Q series and requires updated PCB layout and footprint.
BCP56-10T-QX 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:
- 63 @ 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
BCP56-10T-QX FAQ
1.How can I place an order for BCP56-10T-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for BCP56-10T-QX 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 BCP56-10T-QX reliable?
The price and inventory of BCP56-10T-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCP56-10T-QX is usually 5 days.
3.What payment methods are accepted for BCP56-10T-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCP56-10T-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCP56-10T-QX?
BCP56-10T-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCP56-10T-QX 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 BCP56-10T-QX?
For technical support, including BCP56-10T-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCP56-10T-QX requirements.
6.How does Aetrix verify that BCP56-10T-QX is sourced from the original manufacturer or authorized distributors?
All BCP56-10T-QX 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 BCP56-10T-QX meets industry standards.
7.What is the process for return or replacement of BCP56-10T-QX?
All BCP56-10T-QX units undergo pre-shipment inspection (PSI). If there is an issue with BCP56-10T-QX, 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 BCP56-10T-QX part is unused and in its original packaging.
Return procedure for BCP56-10T-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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