Diodes Incorporated BC847BLP-7
- Part No.:
- BC847BLP-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- 3-UFDFN
- Datasheet:
-
BC847BLP-7.pdf
- Description:
- TRANS NPN 45V 0.1A X1-DFN1006-3
- Quantity:
- Payment:

- Shipping:

Inventory:601,748
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Product details
Overview
BC847BLP-7 from Diodes Incorporated is a 45V NPN small-signal transistor in X1-DFN1006-3 package, rated for 100mA collector current and 400mW power dissipation (on standard PCB), with DC current gain hFE of 200–450 at 2mA/5V, and fT of 100MHz - used in compact biasing, switching, and amplification stages in space-constrained consumer and industrial control circuits.
For engineers reviewing the BC847BLP-7 datasheet, BC847BLP-7 pinout, BC847BLP-7 application, or BC847BLP-7 equivalent, key selection criteria include its 0.60mm² footprint, 0.5mm height, JEDEC-qualified reliability, complementary PNP pairing with BC857BLP, and thermal resistance RθJA of 310°C/W on minimal pad layout.
Technical Context
This NPN bipolar junction transistor operates in linear and saturated switching modes, with VCEO = 45V and VBE(on) = 580–770mV across 2–10mA collector currents. Its fT = 100MHz supports RF-coupled pre-amplifier and oscillator buffer roles up to low-VHF frequencies.
The X1-DFN1006-3 package features an exposed collector pad thermally coupled to PCB copper, enabling RθJL = 120°C/W and improved pulsed-current handling. ESD ratings meet JEDEC Class 3A HBM (4kV) and MM (200V), supporting automated assembly in non-classified environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum safe collector-emitter voltage before breakdown under operating conditions. |
| IC | 100 mA - Continuous DC collector current rating defining usable load drive capability. |
| hFE | 200–450 - DC current gain range at VCE = 5V, IC = 2mA, critical for bias stability in amplifier designs. |
| fT | 100 MHz - Unity-gain frequency confirming suitability for low-noise signal amplification up to ~10MHz practical bandwidth. |
| RθJA | 310 °C/W - Junction-to-ambient thermal resistance on minimal 2oz FR4 pad, limiting power use without heatsinking. |
| VCE(sat) | 80–600 mV - Saturation voltage range at IC/IB = 10mA/0.5mA and 100mA/5mA, directly impacting conduction loss in switch mode. |
| Package | X1-DFN1006-3 - 0.60 mm² footprint, 0.5 mm max height, 3-terminal surface-mount package with exposed collector pad. |
Pinout & Package
X1-DFN1006-3 is a 3-terminal leadless plastic package with an exposed collector pad on the bottom surface. The top-side marking "1F" identifies the device type; the bar on the top view denotes the base-emitter side. Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector (exposed pad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Emitter (Pin 1) | Current exit path for majority carriers | Low-impedance output node in common-base configuration; referenced to ground in common-emitter bias networks. |
| Base (Pin 2) | Control terminal for carrier injection | Requires ~0.6V forward bias; drives ~5mA base current to saturate at 100mA collector load. |
| Collector (Pin 3 / Exposed Pad) | Current entry path and thermal interface | Electrically and thermally connected to PCB copper; must be soldered to thermal pad for rated 400mW operation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small footprint | 0.60 mm² area - reduces board space by 13× vs. SOT23, enabling high-density portable and wearable PCB layouts. |
| Low-profile packaging | 0.5 mm max height - minimizes mechanical interference with shields, connectors, and stacked components. |
| JEDEC-qualified reliability | Qualified to AEC-Q101 stress test standards - ensures robustness for industrial temperature cycling (-55°C to +150°C). |
| Lead-free & green compliance | Halogen- and antimony-free, RoHS 3 compliant - meets global environmental regulations without performance trade-offs. |
| Complementary PNP pair | BC857BLP available - enables matched push-pull, differential pair, and level-shifting designs with consistent gain and thermal behavior. |
Applications
| LED Driver Circuit | Microcontroller GPIO Expander |
|---|---|
|
Use Scenario: Driving 20mA indicator LEDs from 3.3V MCU outputs with current limiting. IC Role / Device Role / Timing Role: Low-side NPN switch controlled by GPIO, sinking LED current to ground. Use Value: VCE(sat) ≤ 250mV at IC/IB = 10mA/0.5mA ensures <1% voltage drop across transistor, preserving LED brightness. |
Use Scenario: Level-shifting and buffering between 1.8V logic and 5V peripheral interfaces. IC Role / Device Role / Timing Role: Common-emitter inverter stage providing voltage translation and fan-out amplification. Use Value: hFE ≥ 200 at IC = 2mA enables reliable switching with minimal base drive, reducing MCU pin loading. |
| DC-DC Converter Feedback | Audio Pre-amplifier Stage |
|
Use Scenario: Biasing optocoupler input in isolated flyback converter feedback loop. IC Role / Device Role / Timing Role: Linear-mode current source regulating phototransistor LED current. Use Value: VCEO = 45V withstands reflected transients on secondary-side bias rails up to 36V nominal. |
Use Scenario: Single-stage low-noise voltage amplifier for electret microphone signals. IC Role / Device Role / Timing Role: Common-emitter small-signal amplifier with emitter degeneration resistor. Use Value: fT = 100MHz provides >10MHz bandwidth margin for 20kHz audio band, minimizing phase distortion. |
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 |
|---|---|---|---|
| NXP BC847BL,315 | SOT23-3 package (2.9 × 1.3 × 1.0 mm); higher RθJA = 375°C/W; same hFE and VCEO. | Larger footprint and height limit use in ultra-thin or high-density assemblies. | Select when legacy SOT23 reflow profiles or manual prototyping are required. |
| ON Semiconductor PZT3904LT1G | Same X1-DFN1006-3 package; lower hFE min = 100; VCEO = 40V; fT = 300MHz. | Higher-frequency capability but reduced gain consistency at low currents. | Prefer for RF-critical biasing where gain uniformity is secondary to bandwidth. |
Compared with BC847BLP-7, the NXP BC847BL offers identical electrical specs in a larger SOT23 package, easing hand-soldering but increasing board area; the ON PZT3904LT1G trades guaranteed hFE for higher fT, better suited to RF bias than precision analog switching.
Availability
BC847BLP-7 is available at Aetrix Electronics and suitable for LED driver circuits, microcontroller GPIO expansion, DC-DC converter feedback networks, and audio pre-amplifier stages requiring stable component supply and JEDEC-qualified reliability.
Supply support for BC847BLP-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, energy-efficient components for industrial, computing, and consumer markets.
The BC847BLP belongs to Diodes' high-density small-signal transistor product line, designed specifically for space-constrained applications demanding low profile, JEDEC-qualified robustness, and precise gain matching with complementary PNP devices.
FAQ
What is the maximum continuous collector current for BC847BLP-7 at 85°C ambient?
At TA = 85°C, derating applies per the thermal resistance RθJA = 310°C/W. With TJ(max) = 150°C, allowable ΔT = 65°C, so maximum continuous IC ≈ 209mA × (65/125) ≈ 109mA - but the absolute rating remains 100mA per datasheet limits to ensure long-term reliability and SOA compliance.
Can BC847BLP-7 replace BC847B in existing SOT23 designs?
No - BC847BLP-7 uses X1-DFN1006-3 (0.60 mm²), while BC847B uses SOT23 (3.77 mm²). Footprint, solder paste stencil, and reflow profile differ significantly. A redesign with new land pattern and thermal pad layout is required; electrical compatibility does not imply mechanical interchangeability.
Is the exposed collector pad electrically isolated from other terminals?
No - the exposed collector pad (Pin 3) is electrically and thermally connected to the collector semiconductor region. It must be soldered to a PCB copper pour designated as collector potential and cannot be left floating or grounded unless the circuit design intentionally ties collector to ground.
Does BC847BLP-7 meet automotive qualification requirements?
The BC847BLP-7 is JEDEC-qualified and AEC-Q101 capable, but it is not automotive-grade certified. For automotive applications, Diodes offers the Q-suffix variant BC847BLPQ-7, which undergoes PPAP, IATF 16949 manufacturing, and full AEC-Q101 stress testing - this part must be specified separately.
BC847BLP-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 3-UFDFN
- 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):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 2mA, 5V
- Power - Max:
- 250 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- X1-DFN1006-3
BC847BLP-7 FAQ
1.How can I place an order for BC847BLP-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for BC847BLP-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 BC847BLP-7 reliable?
The price and inventory of BC847BLP-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC847BLP-7 is usually 5 days.
3.What payment methods are accepted for BC847BLP-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC847BLP-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC847BLP-7?
BC847BLP-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC847BLP-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 BC847BLP-7?
For technical support, including BC847BLP-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC847BLP-7 requirements.
6.How does Aetrix verify that BC847BLP-7 is sourced from the original manufacturer or authorized distributors?
All BC847BLP-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 BC847BLP-7 meets industry standards.
7.What is the process for return or replacement of BC847BLP-7?
All BC847BLP-7 units undergo pre-shipment inspection (PSI). If there is an issue with BC847BLP-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 BC847BLP-7 part is unused and in its original packaging.
Return procedure for BC847BLP-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC847BLP-7 Tags

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MMBT3906LT1G
onsemi

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MMBT3904-7-F
Diodes Incorporated

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MMBT3904LT1G
onsemi

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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
onsemi

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MMBT2222A-TP
Micro Commercial Co

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MMBTA06LT1G
onsemi

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MMBT2222ALT1G
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