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Nexperia USA Inc. BC856BW,115
- Part No.:
- BC856BW,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
BC856BW,115.pdf
- Description:
- TRANS PNP 65V 0.1A SOT-323
- Quantity:
- Payment:
- Shipping:
Inventory:478,317
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Product details
Overview
BC856BW,115 from Nexperia is a PNP general-purpose bipolar junction transistor (BJT) in SOT323 (SC-70) package, rated for −65 V VCEO, −100 mA IC, and DC current gain (hFE) of 220–475 at VCE = −5 V and IC = −2 mA. It serves as a low-power switching or linear amplification device in compact consumer and industrial signal-path circuits.
For engineers reviewing the BC856BW,115 datasheet, BC856BW,115 pinout, BC856BW,115 application, or BC856BW,115 equivalent, this part is selected for space-constrained designs requiring verified PNP gain consistency, low saturation voltage (< −250 mV at IC = −100 mA), and thermal robustness on FR4 PCBs.
Technical Context
This transistor operates in active, saturation, and cutoff regions with defined absolute maximum ratings: −65 V collector-emitter voltage, −80 V collector-base voltage, and −5 V emitter-base voltage. Its hFE range (220–475) ensures predictable current amplification across production lots under standard bias conditions.
Thermal resistance Rth(j-a) is 625 K/W on FR4 PCB (single-sided, 35 µm Cu), and VCE(sat) remains ≤ −600 mV at IC = −100 mA / IB = −5 mA, supporting efficient low-voltage switching in battery-powered systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −65 V - Maximum safe collector-emitter voltage before breakdown; enables use in 48 V rail and higher-voltage logic interfaces. |
| IC | −100 mA - Continuous collector current rating; supports moderate-signal switching and small-signal amplification without derating at Tamb ≤ 25 °C. |
| hFE | 220–475 @ VCE = −5 V, IC = −2 mA - Tight DC current gain band ensures consistent base drive requirements across production units. |
| VCE(sat) | ≤ −600 mV @ IC = −100 mA, IB = −5 mA - Low saturation voltage minimizes power loss and heat generation in switching applications. |
| Ptot | 200 mW @ Tamb ≤ 25 °C - Power dissipation limit defines thermal design margin on standard FR4 PCB layouts. |
| fT | 100 MHz @ VCE = −5 V, IC = −10 mA - Transition frequency confirms suitability for audio-frequency and low-MHz signal amplification. |
Pinout & Package
SOT323 (SC-70) plastic surface-mounted package: ultra-compact 3-lead outline (2.2 mm × 1.35 mm × 0.95 mm height), optimized for high-density PCB assembly and reflow soldering per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base (B) | Control terminal; requires ~−0.7 V forward bias relative to emitter to enable conduction; input impedance ~10–100 kΩ in active region. |
| 2 | Emiter (E) | Current source terminal in PNP configuration; connected to higher potential rail; establishes reference for base-emitter junction. |
| 3 | Collector (C) | Output current sink terminal; carries load current to ground or lower-potential node; voltage swing limited by VCEO rating. |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SOT323 package | Enables placement in <1.5 mm board clearance zones and supports automated pick-and-place with standard SC-70 feeders. |
| Guaranteed hFE binning (220–475) | Reduces need for individual base resistor tuning in production assemblies; improves yield in discrete amplifier stages. |
| −65 V VCEO rating | Permits direct interface with legacy 48 V telecom lines or industrial control rails without external clamping. |
| VCE(sat) ≤ −600 mV at full rated current | Ensures <100 mW dissipation during saturated switching, easing thermal management on unheatsinked PCBs. |
Applications
| LED Driver Circuit | Level-Shifting Interface |
|---|---|
Use Scenario: Driving 20 mA indicator LEDs from 3.3 V microcontroller GPIO pins with inverted logic. IC Role / Device Role / Timing Role: PNP switch controlling LED anode connection to 5 V rail; turns ON when GPIO is LOW. Use Value: Low VCE(sat) ensures >95% LED forward voltage utilization; SOT323 footprint saves board area in multi-LED status panels. |
Use Scenario: Translating 1.8 V logic outputs to 5 V-compatible inputs in mixed-voltage MCU subsystems. IC Role / Device Role / Timing Role: Active-low level shifter using emitter-follower configuration with pull-up to 5 V. Use Value: Verified hFE range guarantees stable base current sourcing; fT > 100 MHz supports clean edge transitions up to 10 MHz. |
| Signal Inversion Amplifier | Power Supply Enable Switch |
Use Scenario: Inverting small-signal analog voltages (±1 V) in sensor conditioning paths with gain ~10. IC Role / Device Role / Timing Role: Common-emitter amplifier stage with fixed emitter degeneration resistor. Use Value: Tight hFE tolerance maintains predictable AC gain; low Cc (3 pF) preserves bandwidth beyond 1 MHz. |
Use Scenario: Enabling/disabling 12 V auxiliary rails via microcontroller output in embedded power sequencers. IC Role / Device Role / Timing Role: High-side switch controlling PMOS gate drive or optocoupler input. Use Value: −65 V VCEO provides 5× safety margin over 12 V rail; 200 mW Ptot allows continuous operation without heatsinking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP general-purpose transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC857BW,115 | VCEO = −45 V; same hFE (220–475); identical SOT323 package and pinout. | Lower voltage rating restricts use to ≤36 V systems; otherwise drop-in compatible in 5–24 V logic and signal paths. | Select when operating voltage is ≤40 V and tighter VCEO margin is acceptable. |
| BC846BW,115 | NPN complement; same hFE range, package, and voltage/current ratings (VCEO = +65 V, IC = +100 mA). | Requires inverted control logic and reversed supply polarity; used where NPN topology simplifies circuit layout or matches existing BOM. | Choose for NPN-based designs needing matched gain and footprint; not electrically interchangeable. |
Compared with BC857BW,115, the BC856BW,115 offers 20 V higher VCEO headroom for 48 V systems; versus BC846BW,115, it provides complementary PNP functionality with identical thermal and gain behavior-enabling dual-transistor bias networks or push-pull drivers.
Availability
BC856BW,115 is available at Aetrix Electronics and suitable for LED driver circuits, level-shifting interfaces, signal inversion amplifiers, and power supply enable switches requiring stable component supply and guaranteed hFE binning.
Supply support for BC856BW,115 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-grade and industrial-standard components.
The BC856BW belongs to Nexperia's BC856/857/858W series of general-purpose PNP transistors, designed specifically for cost-sensitive, space-constrained applications demanding consistent gain, low saturation voltage, and robust SMT manufacturability.
FAQ
Is BC856BW,115 suitable for automotive applications?
No. BC856BW,115 is not AEC-Q101 qualified and lacks automotive-specific testing or qualification. Nexperia explicitly states non-automotive qualification in its legal disclaimers, and the device is intended for industrial, consumer, and computing applications only.
What is the maximum allowable junction temperature for continuous operation?
The absolute maximum junction temperature (Tj) is 150 °C. Operation must remain within this limit under all ambient and power-dissipation conditions; derating is required above 25 °C ambient per the 625 K/W thermal resistance specification.
Does BC856BW,115 have built-in ESD protection?
No. The datasheet does not specify any integrated ESD protection diodes or HBM/CDM ratings. External protection (e.g., series resistors or TVS devices) is recommended for handling or board-level ESD-prone environments.
Can BC856BW,115 replace BC856B in through-hole designs?
No. BC856BW,115 uses SOT323 (SC-70) surface-mount packaging, while BC856B typically refers to TO-92 or SOT23 variants. Footprint, thermal profile, and reflow compatibility differ significantly; mechanical and thermal redesign is required for substitution.
BC856BW,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 65 V
- Vce Saturation (Max) @ Ib, Ic:
- 600mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 220 @ 2mA, 5V
- Power - Max:
- 200 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
BC856BW,115 FAQ
1.How can I place an order for BC856BW,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BC856BW,115 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 BC856BW,115 reliable?
The price and inventory of BC856BW,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC856BW,115 is usually 5 days.
3.What payment methods are accepted for BC856BW,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC856BW,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC856BW,115?
BC856BW,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC856BW,115 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 BC856BW,115?
For technical support, including BC856BW,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC856BW,115 requirements.
6.How does Aetrix verify that BC856BW,115 is sourced from the original manufacturer or authorized distributors?
All BC856BW,115 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 BC856BW,115 meets industry standards.
7.What is the process for return or replacement of BC856BW,115?
All BC856BW,115 units undergo pre-shipment inspection (PSI). If there is an issue with BC856BW,115, 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 BC856BW,115 part is unused and in its original packaging.
Return procedure for BC856BW,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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