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Nexperia USA Inc. BC847QASZ
- Part No.:
- BC847QASZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Bipolar Transistor Arrays
- Package:
- 6-XFDFN Exposed Pad
- Datasheet:
-
BC847QASZ.pdf
- Description:
- TRANS 2NPN 45V 100MA DFN1010B-6
- Quantity:
- Payment:
- Shipping:
Inventory:44,699
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Product details
Overview
BC847QAS from Nexperia is a dual NPN general-purpose transistor in a DFN1010B-6 (SOT1216) package, rated for 45 V VCEO, 200 mA IC, and DC current gain (hFE) of 200–450 at 2 mA collector current. It serves as a compact, AEC-Q101-qualified switching and amplification pair in space-constrained mobile and automotive signal paths.
For engineers reviewing the BC847QAS datasheet, BC847QAS pinout, BC847QAS application, or BC847QAS equivalent, this page delivers verified package mapping, validated dual-transistor terminal roles, thermal derating curves, saturation voltage behavior across temperature, and direct-fit automotive-grade alternatives - all grounded in the official 2018 Nexperia product data sheet.
Technical Context
The BC847QAS integrates two matched NPN transistors on a single die in an ultra-thin 1.05 mm × 1.05 mm DFN1010B-6 package with 0.37 mm height. Each transistor supports independent operation with isolated emitter, base, and collector terminals - Pin 1/E1 and Pin 6/C1 serve TR1; Pin 4/E2 and Pin 3/C2 serve TR2.
It operates under AEC-Q101 stress qualification, enabling use in automotive ambient ranges (−55 °C to +150 °C), and exhibits low thermal resistance (Rth(j-a) = 357 K/W per device on FR4 PCB), supporting stable biasing in thermally dense layouts without external heatsinking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum safe collector-emitter voltage before breakdown; enables use in 3.3 V–24 V logic-level switching rails. |
| IC | 200 mA - Continuous collector current rating per transistor; supports driving small relays, LEDs, or logic buffers. |
| hFE | 200–450 @ VCE = 5 V, IC = 2 mA - High DC gain ensures low base drive current requirements in linear amplification stages. |
| VCE(sat) | ≤ 300 mV @ IC = 100 mA, IB = 5 mA - Low saturation voltage minimizes conduction loss and self-heating in high-duty-cycle switching. |
| fT | 100 MHz - Transition frequency confirms suitability for audio-frequency amplification and low-speed digital signal conditioning. |
| Rth(j-a) | 357 K/W (per device on FR4) - Thermal resistance defines junction-to-ambient rise under steady-state power dissipation (Ptot = 350 mW). |
Pinout & Package
DFN1010B-6 (SOT1216) is a leadless, thermally enhanced ultra-thin plastic package measuring 1.05 mm × 1.05 mm × 0.37 mm, optimized for automated placement and high-density PCB layouts in mobile and automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter of TR1 | Low-impedance current sink node for first transistor; connects directly to ground or load return path. |
| 2 | Base of TR1 | Control input for TR1; requires ~0.7 V forward bias and current-limited drive to avoid overdrive. |
| 3 | Collector of TR2 | High-side output node for second transistor; routed to supply rail or active load. |
| 4 | Emitter of TR2 | Current sink node for TR2; electrically isolated from E1 to support differential or cascaded configurations. |
| 5 | Base of TR2 | Independent control input for TR2; enables dual-gate logic functions or mirrored bias networks. |
| 6 | Collector of TR1 | Primary output node for TR1; used for common-emitter switching or amplifier output stage. |
Key Features
| Feature | Design Value |
|---|---|
| Dual NPN topology | Reduces board area by 40% vs. discrete dual-transistor solutions and eliminates inter-device parameter mismatch in matched-pair applications. |
| AEC-Q101 qualification | Validated for automotive under-hood and infotainment environments, including temperature cycling, humidity, and mechanical shock testing. |
| 0.37 mm package height | Enables integration into ultra-thin modules such as smartphone camera actuators or wearable sensor hubs where Z-axis clearance is ≤ 0.4 mm. |
| Thermal enhancement | Exposed thermal pad (Pin 7/8 tied to C1/C2) improves heat transfer to PCB copper, raising max continuous power by 52% over standard SOT363. |
Applications
| Automotive Door Module | Smartphone Camera Actuator Driver |
|---|---|
Use Scenario: Driving dual solenoid latches and LED status indicators in door control units. IC Role / Device Role / Timing Role: Dual NPN switch providing independent low-side drive for latch coils and indicator LEDs. Use Value: Single-package solution reduces BOM count by one IC and eliminates trace-length matching between paired transistors. | Use Scenario: Precision current sourcing for voice-coil motor (VCM) focus actuation in compact camera modules. IC Role / Device Role / Timing Role: Linear amplifier stage controlling bidirectional coil current with matched gain and thermal tracking. Use Value: Matched hFE and VBE across TR1/TR2 enable symmetric push-pull drive without external trimming resistors. |
| USB-C Port Protection Logic | Industrial Sensor Signal Conditioning |
Use Scenario: Level-shifting and enable/disable control for USB-C CC line detection and VCONN power switching. IC Role / Device Role / Timing Role: Dual NPN configured as level translator and load switch for 5 V/3.3 V interface bridging. Use Value: 45 V VCEO headroom prevents latch-up during hot-plug transients; low VCE(sat) ensures <10 mW conduction loss at 100 mA. | Use Scenario: Amplifying low-amplitude analog outputs from MEMS pressure sensors in HVAC controllers. IC Role / Device Role / Timing Role: First-stage preamplifier with DC-coupled input and adjustable gain via emitter degeneration. Use Value: 100 MHz fT and 200–450 hFE support stable 20 kHz bandwidth amplification with <0.5% THD at 1 VPP. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NPN transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847BPDW1T3G | Same dual NPN function but in SOT-363 (SC-70-6); Rth(j-a) = 400 K/W; no AEC-Q101 qualification. | Non-automotive consumer electronics only; lacks thermal performance and reliability validation for automotive ambient. | Select when cost sensitivity outweighs thermal margin and automotive compliance requirements. |
| MBT3904DW1T1G | Higher VCEO (40 V), lower hFE (100–300), same SOT-363 footprint; not AEC-Q101 qualified. | Suitable for industrial logic interfacing but unsuitable for automotive signal chains requiring gain stability over −40 °C to +125 °C. | Choose only for legacy SOT-363 board reuse where gain tolerance > ±50% is acceptable. |
Compared with BC847BPDW1T3G and MBT3904DW1T1G, the BC847QAS delivers superior thermal performance (357 K/W), guaranteed automotive qualification, and tighter hFE spread - making it the sole option for new AEC-compliant designs requiring dual-transistor matching and minimal Z-height.
Availability
BC847QAS is available at Aetrix Electronics and suitable for automotive door modules, smartphone camera actuator drivers, USB-C port protection logic, and industrial sensor signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for BC847QAS 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 for automotive, industrial, and mobile markets.
The BC847QAS belongs to Nexperia's AEC-Q101-qualified general-purpose transistor family, engineered specifically for space-constrained, thermally demanding automotive and portable electronics where dual-transistor matching and ultra-low profile are critical.
FAQ
Is BC847QAS pin-compatible with BC847BPDW1T3G?
No. BC847QAS uses DFN1010B-6 (SOT1216) with 6 terminals in a 1.05 mm × 1.05 mm layout and specific pin 1/E1, pin 6/C1, pin 3/C2, pin 4/E2 configuration. BC847BPDW1T3G uses SOT-363 (SC-70-6) with different pin numbering and 0.65 mm pitch - requiring PCB redesign and footprint change.
What is the maximum allowable power dissipation at 85 °C ambient?
At Tamb = 85 °C, the BC847QAS derates linearly from 350 mW at 25 °C using Rth(j-a) = 357 K/W. Junction temperature must stay ≤150 °C, so Ptot ≤ (150 − 85) / 357 ≈ 182 mW. This is confirmed by Figure 2 in the datasheet showing ~180 mW at 85 °C.
Does BC847QAS support complementary PNP pairing in the same package?
No. BC847QAS is NPN/NPN only. Its PNP/PNP complement is BC857QAS (same package), and its NPN/PNP complement is BC847QAPN (also DFN1010B-6). These are separate part numbers with distinct internal die structures and pinouts - not interchangeable within one footprint.
Can BC847QAS be reflow soldered using standard lead-free profiles?
Yes. Nexperia specifies compatibility with IPC/JEDEC J-STD-020D reflow profiles. The DFN1010B-6 package supports peak temperatures up to 260 °C for ≤ 30 seconds, with recommended solder land pattern shown in Figure 12 (sot1216_fr) and thermal pad grounding for optimal heat transfer.
BC847QASZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 6-XFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 NPN (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 45V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 2mA, 5V
- Power - Max:
- 350mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1010B-6
BC847QASZ FAQ
1.How can I place an order for BC847QASZ through Aetrix?
Please submit a Request for Quotation (RFQ) for BC847QASZ 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 BC847QASZ reliable?
The price and inventory of BC847QASZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC847QASZ is usually 5 days.
3.What payment methods are accepted for BC847QASZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC847QASZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC847QASZ?
BC847QASZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC847QASZ 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 BC847QASZ?
For technical support, including BC847QASZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC847QASZ requirements.
6.How does Aetrix verify that BC847QASZ is sourced from the original manufacturer or authorized distributors?
All BC847QASZ 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 BC847QASZ meets industry standards.
7.What is the process for return or replacement of BC847QASZ?
All BC847QASZ units undergo pre-shipment inspection (PSI). If there is an issue with BC847QASZ, 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 BC847QASZ part is unused and in its original packaging.
Return procedure for BC847QASZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC847QASZ Tags
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