My Inquiry
My Account
Diodes Incorporated BC847CWQ-7-F
- Part No.:
- BC847CWQ-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
BC847CWQ-7-F.pdf
- Description:
- TRANS NPN 45V 0.1A SOT-323
- Quantity:
- Payment:
- Shipping:
Inventory:9,924
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BC847CWQ-7-F from Diodes Incorporated is an NPN small-signal transistor in SOT323 package, rated for 45 V VCEO, 100 mA IC, and 420–800 hFE (Band C), optimized for switching and audio-frequency amplification in space-constrained PCBs. It operates across –65°C to +150°C and features 4 kV HBM ESD robustness.
For engineers reviewing the BC847CWQ-7-F datasheet, BC847CWQ-7-F pinout, BC847CWQ-7-F application, or BC847CWQ-7-F equivalent, key selection criteria include its high-current-gain band (C), low VCE(sat) at 10 mA/0.5 mA drive, SOT323 footprint compatibility, and automotive-grade process qualification per AEC-Q101.
Technical Context
This transistor uses epitaxial planar die construction with a monolithic silicon structure enabling stable gain over temperature and current. Its Band C hFE range (420–800) ensures predictable biasing in linear amplifier stages and reliable saturation in digital logic interface circuits.
The device's 3 pF Cobo and 100–300 MHz fT support operation up to mid-VHF frequencies, while its 200 mW PD and 625°C/W RθJA define thermal limits under continuous DC or pulsed conditions on standard FR4 layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum collector-emitter voltage before breakdown under active bias; sets safe operating voltage ceiling in 24 V and 36 V systems. |
| IC | 100 mA - Continuous collector current rating; supports load switching up to ~100 mA without forced cooling. |
| hFE (Band C) | 420–800 - High DC current gain group enabling low-base-drive designs in amplifiers and saturated switches. |
| VCE(sat) | 90–250 mV @ IC=10 mA/IB=0.5 mA - Low saturation voltage minimizes power loss and heating in switching applications. |
| fT | 100–300 MHz - Gain-bandwidth product confirming suitability for AF and low-RF signal amplification up to ~100 MHz. |
| ESD HBM | 4,000 V - Robust electrostatic discharge immunity simplifies handling and board-level ESD protection design. |
| RθJA | 625 °C/W - Thermal resistance defining junction-to-ambient rise per watt; requires derating above 25°C ambient per Figure 1. |
Pinout & Package
Package: SOT323 - ultra-small surface-mount plastic package (2.15 mm × 2.10 mm × 0.95 mm), lead-free, RoHS-3 and halogen-free compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current sink terminal | Reference node for bias network; connects to ground or low-impedance return path in common-emitter configurations. |
| 2 (Base) | Control input | Receives current-limited drive to modulate collector current; requires series resistor to limit IB ≤ 200 mA peak. |
| 3 (Collector) | Current source terminal | Drives load toward supply rail; must be routed with adequate copper area for thermal dissipation at >50 mW. |
Key Features
| Feature | Design Value |
|---|---|
| High hFE Band C grouping | Guarantees minimum hFE ≥ 420 at 2 mA/5 V, reducing base drive requirements and improving noise margin in logic interfaces. |
| SOT323 footprint | Enables automated placement and reflow on dense PCBs; compatible with industry-standard pick-and-place nozzles and stencil apertures. |
| 4 kV HBM ESD rating | Eliminates need for external ESD clamps in non-harsh environments, lowering BOM count and layout complexity. |
| AEC-Q101 qualified process | Manufactured in IATF 16949-certified facilities with PPAP support, enabling direct use in automotive infotainment and body control modules. |
Applications
| LED Driver Circuit | Microcontroller GPIO Interface |
|---|---|
Use Scenario: Driving 20 mA indicator LEDs from 3.3 V or 5 V microcontroller outputs. IC Role / Device Role / Timing Role: NPN switch configured in common-emitter mode, sinking LED current to ground. Use Value: Low VCE(sat) (≤250 mV) ensures >95% LED forward voltage utilization and minimal self-heating at 20 mA. | Use Scenario: Level-shifting and current amplification between 1.8 V/3.3 V logic and 5 V peripheral buses. IC Role / Device Role / Timing Role: Active pull-down stage converting weak MCU output into robust 5 V-compatible sink capability. Use Value: Band C hFE enables full saturation with <10 µA base drive, preserving MCU I/O drive strength for other functions. |
| Audio Pre-amplifier Stage | Automotive Door Module Sensor Interface |
Use Scenario: Low-noise voltage amplification of electret microphone signals in portable audio devices. IC Role / Device Role / Timing Role: Common-emitter small-signal amplifier with emitter degeneration for linearity and gain stability. Use Value: 10 dB NF at 1 kHz and 200 µA bias allows clean amplification of µV-level signals without added op-amp stages. | Use Scenario: Signal conditioning for resistive cabin temperature sensors in vehicle door control units. IC Role / Device Role / Timing Role: Current-source driver for 2-wire sensor biasing, operating continuously at 85°C ambient. Use Value: Guaranteed hFE stability across –40°C to +125°C and AEC-Q101 qualification ensure long-term reliability in unheated zones. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN small-signal transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847CMTF | Same hFE band and ratings; uses SOT-23 instead of SOT323; 0.2 mm taller, 0.3 mm wider footprint. | Suitable where board real estate permits larger package; higher RθJA (500°C/W) reduces thermal headroom at same power. | Select when existing SOT-23 land pattern exists and thermal margin exceeds 100 mW. |
| MMBT3904LT1G | Lower hFE (100–300), lower VCEO (40 V), identical SOT-23 footprint; not AEC-Q101 qualified. | Limited to commercial-grade consumer electronics; unsuitable for automotive or industrial temperature cycling. | Choose only for cost-sensitive, non-automotive applications where gain and qualification are secondary. |
Compared with BC847CWQ-7-F, BC847CMTF offers mechanical interchangeability with relaxed thermal performance, while MMBT3904LT1G trades gain, voltage rating, and qualification for lower unit cost-making the BC847CWQ-7-F optimal for compact, high-reliability, gain-critical switching and amplification.
Availability
BC847CWQ-7-F is available at Aetrix Electronics and suitable for LED driver circuits, microcontroller GPIO interfacing, and automotive sensor signal conditioning requiring stable component supply across production lifecycles.
Supply support for BC847CWQ-7-F 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The BC847CWQ-7-F belongs to Diodes' BC846–BC848 family of general-purpose NPN transistors, engineered for high-volume automated assembly and designed specifically for switching and AF amplification in automotive, industrial, and consumer electronics.
FAQ
What is the maximum continuous collector current for BC847CWQ-7-F?
The absolute maximum continuous collector current (IC) is 100 mA at TA = +25°C. Derating is required above 25°C ambient per the thermal curve in Figure 1; at 70°C ambient, maximum usable IC drops to approximately 65 mA to maintain junction temperature below 150°C.
Is BC847CWQ-7-F qualified for automotive applications?
Yes - BC847CWQ-7-F is manufactured in IATF 16949-certified facilities and qualifies under AEC-Q101 for stress testing. While not pre-certified for PPAP by default, Diodes provides PPAP documentation upon request for automotive customers meeting change-control requirements.
How does the SOT323 package affect PCB layout and thermal performance?
The SOT323 package has a small thermal pad area and high RθJA (625°C/W), so thermal relief must be minimized on the collector pad and adjacent copper pours maximized. Recommended pad layout dimensions (C=0.65 mm, G=1.30 mm, Y=0.60 mm) are specified in Diodes' package outline document DS30250.
What is the typical transition frequency (fT) and how does it impact circuit design?
The typical fT is 100–300 MHz at VCE = 5 V and IC = 10 mA. This confirms suitability for audio amplification and low-speed digital switching but limits use in RF front-ends above 50 MHz; gain rolls off significantly beyond fT/10 in practical amplifier configurations.
BC847CWQ-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- 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:
- 600mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 20nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 420 @ 2mA, 5V
- Power - Max:
- 200 mW
- Frequency - Transition:
- 300MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
BC847CWQ-7-F FAQ
1.How can I place an order for BC847CWQ-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for BC847CWQ-7-F 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 BC847CWQ-7-F reliable?
The price and inventory of BC847CWQ-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC847CWQ-7-F is usually 5 days.
3.What payment methods are accepted for BC847CWQ-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC847CWQ-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC847CWQ-7-F?
BC847CWQ-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC847CWQ-7-F 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 BC847CWQ-7-F?
For technical support, including BC847CWQ-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC847CWQ-7-F requirements.
6.How does Aetrix verify that BC847CWQ-7-F is sourced from the original manufacturer or authorized distributors?
All BC847CWQ-7-F 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 BC847CWQ-7-F meets industry standards.
7.What is the process for return or replacement of BC847CWQ-7-F?
All BC847CWQ-7-F units undergo pre-shipment inspection (PSI). If there is an issue with BC847CWQ-7-F, 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 BC847CWQ-7-F part is unused and in its original packaging.
Return procedure for BC847CWQ-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC847CWQ-7-F Tags
-
MMBT3906LT1G
onsemi
-
MMBT3904-7-F
Diodes Incorporated
-
MMBT3904LT1G
onsemi
-
MMBT3906-7-F
Diodes Incorporated
-
MMBT3904-TP
Micro Commercial Co
-
MMBT2222A-7-F
Diodes Incorporated
-
BC846BLT1G
onsemi
-
BC847B,215
Nexperia USA Inc.
-
SMMBT3904LT1G
onsemi
-
MMBT2222A-TP
Micro Commercial Co
-
MMBTA06LT1G
onsemi
-
MMBT2222ALT1G
onsemi
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
