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Nexperia USA Inc. BC847A-QVL
- Part No.:
- BC847A-QVL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BC847A-QVL.pdf
- Description:
- TRANS NPN 45V 0.1A TO-236AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,544
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Product details
Overview
BC847A-QVL from Nexperia is an AEC-Q101-qualified NPN general-purpose transistor in SOT23 (TO-236AB) package, rated for 45 V VCEO, 100 mA IC, and DC current gain (hFE) of 110–220 at VCE = 5 V, IC = 2 mA. It serves as a low-voltage switching and amplification device in automotive body control modules, sensor interface stages, and LED driver bias circuits.
For engineers reviewing the BC847A-QVL datasheet, BC847A-QVL pinout, BC847A-QVL application, or BC847A-QVL equivalent, this page delivers verified package mapping, validated pin functions, confirmed thermal limits (Tj ≤ 150 °C), and automotive-grade reliability data per AEC-Q101.
Technical Context
This transistor operates in active, saturation, and cutoff regions with VBE(sat) = 900 mV max at IC = 100 mA / IB = 5 mA, and VCE(sat) = 400 mV max under identical conditions. Its fT = 100 MHz enables stable small-signal amplification up to mid-VHF range.
Thermal resistance Rth(j-a) = 500 K/W on FR4 PCB defines its power handling in free-air convection; absolute maximum ratings include VCBO = 50 V, VEBO = 6 V, and Ptot = 250 mW at Tamb ≤ 25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum collector-emitter voltage before breakdown; sets upper rail limit for switching in 12 V/24 V automotive systems. |
| IC | 100 mA - Continuous collector current rating; supports load switching up to ~100 mA logic-level or indicator drivers. |
| hFE | 110–220 - DC current gain range at VCE = 5 V, IC = 2 mA; ensures predictable base drive sizing for reliable saturation. |
| VCE(sat) | 200–400 mV - Collector-emitter saturation voltage at IC = 100 mA / IB = 5 mA; minimizes conduction loss in high-duty-cycle switches. |
| Ptot | 250 mW - Total power dissipation on standard FR4 PCB; constrains usable IC×VCE product in ambient-limited layouts. |
| Tj(max) | 150 °C - Maximum junction temperature; enables operation in under-hood environments with proper thermal design. |
| AEC-Q101 | Qualified - Meets stress test requirements for discrete semiconductors in automotive applications; supports PPAP documentation. |
Pinout & Package
SOT23 (TO-236AB) surface-mount plastic package: 3-lead, 1.3 mm × 2.9 mm footprint, 1.1 mm height, tin-plated terminations compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base (B) | Current-controlled input node; requires 5–10 mA typical base drive for full saturation at 100 mA collector load. |
| 2 | Emitter (E) | Common reference terminal; connected to ground or low-side return path in switch configurations. |
| 3 | Collector (C) | Output current path; handles switched loads up to 45 V and 100 mA with <400 mV drop in saturation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, HTRB, and ESD testing-enables direct integration into BCM and lighting ECUs. |
| Three hFE grades | BC847A-Q (110–220), BC847B-Q (200–450), BC847C-Q (420–800); allows precise gain matching for analog biasing or digital switching consistency. |
| Low VCE(sat) | ≤400 mV at IC/IB = 20 - Reduces power loss and self-heating in battery-powered or thermally constrained modules. |
| High fT | 100 MHz - Supports clean amplification of signals up to ~10 MHz with minimal phase shift in sensor front-ends. |
| Robust thermal margin | Rth(j-a) = 500 K/W on standard FR4 - Enables operation at 85 °C ambient with <100 mW dissipation without heatsinking. |
Applications
| Automotive Door Module Switching | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Driving window lift motor relays and door lock solenoids in 12 V body control units. IC Role / Device Role / Timing Role: Low-side switch controlling inductive loads via microcontroller GPIO. Use Value: VCE(sat) ≤ 400 mV ensures <40 mW conduction loss at 100 mA, reducing thermal stress during repeated actuation cycles. |
Use Scenario: Amplifying millivolt-level outputs from RTD or thermistor bridges in PLC analog input cards. IC Role / Device Role / Timing Role: Common-emitter DC amplifier stage with stable hFE = 180 typ. at IC = 2 mA. Use Value: 100 MHz fT preserves signal integrity up to 10 kHz bandwidth while rejecting 50/60 Hz noise through gain stability. |
| LED Status Indicator Driver | Power Supply Enable Control |
|
Use Scenario: Biasing 20 mA status LEDs across instrument clusters and infotainment panels. IC Role / Device Role / Timing Role: Saturated switch with fixed base resistor network for consistent brightness. Use Value: Tight hFE bin (110–220) enables ±5% LED current tolerance across production lots without trimming. |
Use Scenario: Enabling/disabling secondary LDOs or isolated DC-DC converters in multi-rail automotive power domains. IC Role / Device Role / Timing Role: High-side or low-side enable switch controlled by safety MCU output. Use Value: VCEO = 45 V accommodates transients up to ISO 7637-2 Pulse 1/2b, ensuring robustness against load dump events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN general-purpose transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847B-QVL | hFE = 200–450 (vs. 110–220); otherwise identical VCEO, IC, package, and AEC-Q101 status. | Higher gain reduces required base drive current; suitable where GPIO current budget is limited. | Select when lower base current (<2.5 mA) is needed to saturate at 100 mA collector load. |
| MMBT3904-QVL | hFE = 100–300; same SOT23 package but not AEC-Q101 qualified; VCEO = 40 V (vs. 45 V). | Lacks automotive qualification; lower VCEO restricts use in 24 V systems with transients. | Acceptable for non-automotive industrial or consumer designs where AEC-Q101 is not mandated. |
Compared with BC847B-QVL, BC847A-QVL offers tighter gain control for predictable base-resistor design; versus MMBT3904-QVL, it provides higher voltage margin and certified automotive reliability-critical for safety-related subsystems.
Availability
BC847A-QVL is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, LED driver circuits, and power supply enable functions requiring stable component supply across long-life programs.
Supply support for BC847A-QVL 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 efficiency technologies, delivering high-performance, reliable discrete, logic, and MOSFET solutions.
The BC847x-Q series targets automotive-grade general-purpose switching and amplification, designed specifically to meet AEC-Q101 requirements while maintaining compatibility with industrial and consumer SMT assembly processes.
FAQ
What is the maximum allowable base current for continuous operation?
The absolute maximum peak base current is 100 mA (single pulse, tp ≤ 1 ms), but for continuous DC operation, IB must be sized to keep IC ≤ 100 mA and Ptot ≤ 250 mW. At IC = 100 mA and hFE = 110 min, IB ≈ 0.91 mA; practical design uses 2–5 mA to ensure saturation across temperature and process variation.
Does BC847A-QVL support wave soldering?
Yes-Nexperia specifies a dedicated wave soldering footprint (sot023_fw) with 1.4 mm pad width and 2.2 mm spacing. The device's TO-236AB package and tin-plated leads are qualified for standard wave profiles; preheating to 100–120 °C and contact time ≤ 5 seconds are recommended to avoid thermal shock.
How does hFE vary with temperature and collector current?
hFE peaks near IC = 2–10 mA and declines at both low and high currents. At Tamb = 25 °C, hFE = 180 typ. at IC = 2 mA; it drops to ~120 at IC = 100 mA. Over temperature, hFE increases ~0.5%/°C from −55 °C to 25 °C, then decreases above 25 °C due to carrier mobility reduction.
Is the marking code "1E" unique to BC847A-QVL?
Yes-per Nexperia's marking table, "1E%" (where % is a site-specific code) uniquely identifies BC847A-QVL in the BC847x-Q series. This distinguishes it from BC847B-Q ("1F%") and BC847C-Q ("1G%"), enabling automated optical inspection and traceability in high-volume automotive manufacturing.
BC847A-QVL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 45 V
- Vce Saturation (Max) @ Ib, Ic:
- 400mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 110 @ 2mA, 5V
- Power - Max:
- 250 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
BC847A-QVL FAQ
1.How can I place an order for BC847A-QVL through Aetrix?
Please submit a Request for Quotation (RFQ) for BC847A-QVL 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 BC847A-QVL reliable?
The price and inventory of BC847A-QVL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC847A-QVL is usually 5 days.
3.What payment methods are accepted for BC847A-QVL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC847A-QVL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC847A-QVL?
BC847A-QVL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC847A-QVL 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 BC847A-QVL?
For technical support, including BC847A-QVL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC847A-QVL requirements.
6.How does Aetrix verify that BC847A-QVL is sourced from the original manufacturer or authorized distributors?
All BC847A-QVL 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 BC847A-QVL meets industry standards.
7.What is the process for return or replacement of BC847A-QVL?
All BC847A-QVL units undergo pre-shipment inspection (PSI). If there is an issue with BC847A-QVL, 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 BC847A-QVL part is unused and in its original packaging.
Return procedure for BC847A-QVL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC847A-QVL Tags
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MMBT3906LT1G
onsemi
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MMBT3904-7-F
Diodes Incorporated
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MMBT3904LT1G
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MMBT3906-7-F
Diodes Incorporated
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MMBT3904-TP
Micro Commercial Co
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MMBT2222A-7-F
Diodes Incorporated
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BC846BLT1G
onsemi
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BC847B,215
Nexperia USA Inc.
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SMMBT3904LT1G
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MMBT2222A-TP
Micro Commercial Co
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MMBTA06LT1G
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MMBT2222ALT1G
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