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Diodes Incorporated BC56-16PA-7
- Part No.:
- BC56-16PA-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- 3-UDFN Exposed Pad
- Datasheet:
-
BC56-16PA-7.pdf
- Description:
- TRANS NPN 80V 1A U-DFN2020-3
- Quantity:
- Payment:
- Shipping:
Inventory:8,210
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Product details
Overview
BC56-16PA-7 from Diodes Incorporated is an AEC-Q101-qualified NPN medium-power transistor in U-DFN2020-3 (Type B) package, rated for 80 V VCEO, 1 A continuous collector current, and 520 mW power dissipation with VCE(sat) < 500 mV at 500 mA/50 mA drive-used in automotive audio output stages and industrial relay drivers.
For engineers reviewing the BC56-16PA-7 datasheet, BC56-16PA-7 pinout, BC56-16PA-7 application, or BC56-16PA-7 equivalent, key selection criteria include its AEC-Q101 qualification, low saturation voltage under medium-current switching, thermal resistance of 240 °C/W (J-A), and complementary pairing with BC53-16PA for push-pull designs.
Technical Context
This NPN bipolar junction transistor operates in linear amplification and saturated switching modes, with hFE ranging from 25 to 250 across 5 mA–500 mA collector currents and a transition frequency of 125 MHz at 50 mA/10 V. Its safe operating area supports pulsed loads up to 2 A with defined derating above 25 °C ambient.
The device uses a lead-free, halogen- and antimony-free "Green" molding compound (UL 94V-0), features matte tin-plated terminals solderable per MIL-STD-202 Method 208, and meets J-STD-020 moisture sensitivity Level 1-enabling reflow compatibility without baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 80 V - Withstands 80 V collector-emitter voltage before breakdown, enabling use in 24 V and 48 V industrial control rails. |
| IC (continuous) | 1 A - Supports sustained load switching up to 1 A without thermal runaway on standard FR4 PCBs. |
| VCE(sat) | < 500 mV @ 500 mA/50 mA - Minimizes conduction loss and self-heating in medium-power driver stages. |
| PD | 520 mW - Maximum steady-state power dissipation at TA = 25 °C on minimum recommended copper pad layout. |
| RθJA | 240 °C/W - Junction-to-ambient thermal resistance determines required board copper area for thermal management. |
| hFE | 25–250 - Wide DC current gain range allows flexible base drive design across low- and medium-current operation. |
| fT | 125 MHz - Enables stable small-signal amplification up to mid-VHF band, suitable for AF and narrowband RF pre-drivers. |
Pinout & Package
Package: U-DFN2020-3 (Type B), 2.0 mm × 2.0 mm × 0.6 mm body, bottom-exposed thermal pad, no leads-designed for high-density surface-mount assembly and enhanced thermal transfer to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current sink terminal | Connected to ground or low-side return path; forms primary current path with collector and base. |
| 2 (Base) | Control input | Accepts forward-biased current to bias transistor into active or saturation region; requires current-limiting resistor. |
| 3 (Collector) | Current source terminal | Connected to load and supply rail; carries full switched current and dissipates majority of heat in saturation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive temperature cycling (-65 °C to +150 °C), vibration, and ESD robustness-suitable for under-hood ECUs. |
| U-DFN2020-3 package | 2.0 mm × 2.0 mm footprint with exposed thermal pad enables compact layout and improved thermal performance vs. SOT-23. |
| VCE(sat) < 500 mV | Reduces I²R losses and junction temperature rise during high-duty-cycle switching in relay and solenoid drivers. |
| Complementary PNP pair | BC53-16PA shares identical package, ratings, and qualification-enables matched push-pull output stages without layout mismatch. |
| Halogen- and antimony-free | Meets IPC-1752A material declaration requirements and EU Directive 2011/65/EU (RoHS 2) compliance mandates. |
Applications
| Automotive Audio Output Stage | Industrial Relay Driver |
|---|---|
Use Scenario: Driving 4–8 Ω speaker loads in vehicle infotainment amplifier output stages with ±12 V rails. IC Role / Device Role / Timing Role: NPN medium-power switch providing current gain and low-loss output stage in Class AB topology. Use Value: VCE(sat) < 500 mV minimizes distortion and thermal stress at 500 mA peak output current. | Use Scenario: Switching 24 VDC industrial relays (100–500 mW coil) in PLC I/O modules. IC Role / Device Role / Timing Role: Low-side switch controlling relay coil current with fast turn-on/turn-off enabled by hFE ≥ 100 at 150 mA. Use Value: AEC-Q101 qualification ensures reliability over 10+ years in factory automation environments. |
| DC Motor Speed Control | LED Current Regulator |
Use Scenario: PWM-driven H-bridge half-bridge leg for 12 V brushed DC motors in automotive HVAC actuators. IC Role / Device Role / Timing Role: Medium-current switching element handling 1 A continuous motor current with pulse derating support. Use Value: Safe operating area supports 2 A peak pulses at 10% duty cycle-matching typical motor stall surge profiles. | Use Scenario: Constant-current LED driver for dashboard backlighting using emitter-degeneration configuration. IC Role / Device Role / Timing Role: Linear current regulator with precision base biasing and thermal stability via RθJA = 240 °C/W. Use Value: Tight hFE spread (25–250) allows predictable current setting with 1% emitter resistors. |
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 |
|---|---|---|---|
| ZTX653-7 | VCEO = 100 V, IC = 1.5 A, SOT-23 package, RθJA = 300 °C/W | No AEC-Q101 qualification; higher VCEO but lower thermal efficiency | Select when higher breakdown voltage is prioritized over automotive reliability and thermal performance. |
| MMBT5551-7 | VCEO = 160 V, IC = 600 mA, SOT-23, fT = 100 MHz, no AEC-Q101 | Higher voltage rating but lower current capability and unqualified for automotive | Choose for general-purpose 160 V signal switching where AEC-Q101 is not required. |
Compared with ZTX653-7 and MMBT5551-7, BC56-16PA-7 uniquely combines AEC-Q101 qualification, U-DFN2020-3 thermal efficiency, and 1 A continuous current in a 2.0 mm × 2.0 mm footprint-making it optimal for space-constrained, thermally demanding automotive and industrial switching.
Availability
BC56-16PA-7 is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial PLC I/O modules, and DC motor actuator designs requiring stable component supply and long-term lifecycle assurance.
Supply support for BC56-16PA-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and consumer markets.
The BC56-16PA belongs to Diodes' AEC-Q101-qualified bipolar transistor product line, engineered for robust medium-power switching in harsh-environment applications including engine control, body electronics, and factory automation.
FAQ
What is the maximum allowable junction temperature for BC56-16PA-7?
The BC56-16PA-7 has an operating junction temperature range of –65 °C to +150 °C. Its absolute maximum TJ is +150 °C, and thermal derating begins at 25 °C ambient, reducing maximum power dissipation by 2.17 mW/°C above that point based on RθJA = 240 °C/W.
Is BC56-16PA-7 compatible with lead-free reflow soldering processes?
Yes-BC56-16PA-7 is fully RoHS-compliant and qualified for lead-free reflow. Its matte tin-plated terminals meet MIL-STD-202 Method 208 solderability requirements, and the U-DFN2020-3 package is rated for JEDEC-standard reflow profiles up to 260 °C peak temperature.
How does the U-DFN2020-3 package improve thermal performance over SOT-23?
The U-DFN2020-3 package features an exposed thermal pad that directly transfers heat to the PCB ground plane, achieving RθJA = 240 °C/W versus ~300–350 °C/W for standard SOT-23 variants-reducing junction temperature rise by up to 25 °C at 500 mA continuous current on identical board layouts.
Can BC56-16PA-7 be used in linear amplifier configurations?
Yes-its hFE of 25–250 across 5 mA–500 mA and fT of 125 MHz support stable Class A and AB linear amplification. However, linear operation requires careful thermal design due to power dissipation limits; it is most commonly applied in switching mode for efficiency.
BC56-16PA-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 3-UDFN Exposed Pad
- 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:
- 520 mW
- Frequency - Transition:
- 125MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- U-DFN2020-3
BC56-16PA-7 FAQ
1.How can I place an order for BC56-16PA-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BC56-16PA-7 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 BC56-16PA-7 reliable?
The price and inventory of BC56-16PA-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC56-16PA-7 is usually 5 days.
3.What payment methods are accepted for BC56-16PA-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC56-16PA-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC56-16PA-7?
BC56-16PA-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC56-16PA-7 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 BC56-16PA-7?
For technical support, including BC56-16PA-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC56-16PA-7 requirements.
6.How does Aetrix verify that BC56-16PA-7 is sourced from the original manufacturer or authorized distributors?
All BC56-16PA-7 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 BC56-16PA-7 meets industry standards.
7.What is the process for return or replacement of BC56-16PA-7?
All BC56-16PA-7 units undergo pre-shipment inspection (PSI). If there is an issue with BC56-16PA-7, 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 BC56-16PA-7 part is unused and in its original packaging.
Return procedure for BC56-16PA-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC56-16PA-7 Tags
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Diodes Incorporated
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