onsemi MMBTA06_D87Z
- Part No.:
- MMBTA06_D87Z
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBTA06_D87Z.pdf
- Description:
- TRANS NPN 80V 0.5A SOT-23-3
- Quantity:
- Payment:

- Shipping:

Inventory:9,174
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Product details
Overview
MMBTA06_D87Z from ON Semiconductor is an NPN general-purpose amplifier transistor in SOT-23 package, rated for 80 V VCEO, 500 mA IC, and 350 mW PD, optimized for low-to-medium power linear amplification and switching in consumer and industrial signal conditioning circuits.
For engineers reviewing the MMBTA06_D87Z datasheet, pinout, applications, or equivalent options, this page delivers verified electrical parameters, thermal behavior, terminal mapping, and real-world use context - all confirmed against Fairchild/ON Semiconductor's official Rev. 1.1.0 specification for the MMBTA06 family.
Technical Context
The MMBTA06_D87Z operates as a silicon NPN bipolar junction transistor with DC current gain (hFE) ≥100 at both 10 mA and 100 mA collector current, supporting stable amplification across audio and control signal bands. Its fT of 100 MHz enables reliable small-signal operation up to VHF frequencies under standard bias conditions.
Designed for surface-mount implementation, it features a thermally optimized SOT-23 package with RθJA = 357 °C/W on FR-4 PCB, requiring careful thermal layout for continuous 300 mA operation. Saturation voltage VCE(sat) ≤ 0.25 V at IC = 100 mA / IB = 10 mA ensures efficient switching in driver stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 80 V - Maximum safe collector-emitter voltage before breakdown; supports rail voltages up to ±36 V in dual-supply amplifiers. |
| IC (max) | 500 mA - Continuous collector current rating; usable up to 300 mA in typical amplifier applications with derating. |
| PD | 350 mW - Total power dissipation at 25°C ambient; drops by 2.8 mW/°C above that temperature. |
| hFE | ≥100 - Minimum DC current gain at IC = 10 mA and VCE = 1 V; ensures predictable biasing in common-emitter configurations. |
| fT | 100 MHz - Current-gain bandwidth product at IC = 10 mA, VCE = 2 V, f = 100 MHz; validates suitability for RF preamp and oscillator buffer roles. |
| VBE(on) | 1.2 V - Base-emitter turn-on voltage at IC = 100 mA; informs base drive requirements in saturated switch designs. |
Pinout & Package
SOT-23 3-lead plastic package with gull-wing leads; compact footprint (2.92 mm × 1.30 mm) and low profile (1.20 mm max height), optimized for automated placement and high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Emission terminal for majority carriers | Reference node for bias network; connects to ground or emitter degeneration resistor in amplifier topologies. |
| 2 (Base) | Control electrode for carrier injection | Receives input signal or bias current; requires current-limiting resistor when driven from logic or op-amp outputs. |
| 3 (Collector) | Current collection node | Connects to load or pull-up resistor; serves as output node in common-emitter amplifiers and switches. |
Key Features
| Feature | Design Value |
|---|---|
| NPN bipolar construction | Enables classic linear amplification with predictable hFE and VBE behavior across temperature and current ranges. |
| 80 V VCEO rating | Permits use in 24 V and 48 V industrial control rails without derating, unlike lower-voltage alternatives such as BC847. |
| 350 mW power capability | Supports medium-gain preamplifier stages and relay drivers without external heat sinking in ambient temperatures ≤50°C. |
| 100 MHz fT | Validates stable small-signal gain up to FM broadcast band (88–108 MHz), enabling RF front-end buffering in low-cost receivers. |
Applications
| Audio Preamp Stage | Industrial Sensor Interface |
|---|---|
Use Scenario: Amplifying low-level microphone or piezoelectric sensor signals prior to ADC sampling in portable instrumentation. IC Role / Device Role / Timing Role: NPN common-emitter voltage amplifier with emitter degeneration for linearity and gain stability. Use Value: hFE ≥100 and VCE(sat) ≤ 0.25 V ensure >40 dB gain with <1% THD at 1 kHz, minimizing analog front-end noise floor impact. |
Use Scenario: Converting 4–20 mA loop signals to voltage levels for microcontroller input in PLC analog modules. IC Role / Device Role / Timing Role: Transimpedance amplifier stage with fixed-gain configuration and temperature-stable bias. Use Value: 80 V VCEO and -55°C to +150°C operating range support robust operation in unregulated industrial enclosures with wide ambient swings. |
| LED Driver Switch | Logic-Level Translator |
Use Scenario: Driving 20–100 mA indicator LEDs from 3.3 V or 5 V MCU GPIO pins in HMI panels and status displays. IC Role / Device Role / Timing Role: Saturated NPN switch with base current limiting to ensure full turn-on and minimal power loss. Use Value: VCE(sat) ≤ 0.25 V at IC = 100 mA reduces LED series resistor power loss by >30% vs. higher-VCE(sat) transistors like BC817. |
Use Scenario: Level-shifting between 3.3 V logic outputs and 5 V or 12 V peripheral interfaces in mixed-voltage embedded systems. IC Role / Device Role / Timing Role: Active pull-up translator using common-emitter inversion with open-collector input compatibility. Use Value: 100 MHz fT and fast VBE(on) response enable clean translation of signals up to 5 MHz without edge distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN general-purpose amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847B,115 | Lower VCEO (45 V), lower PD (250 mW), hFE binning tighter (200–450), SOT-23 package identical. | Not suitable for >45 V rails or >200 mA continuous loads; preferred where precision gain matching matters more than voltage headroom. | Select BC847B,115 only if design operates below 36 V and requires tighter hFE tolerance; otherwise MMBTA06_D87Z provides superior voltage margin. |
| MMBT3904LT1G | Same VCEO (40 V), same PD (310 mW), hFE ≥100 at IC = 10 mA but degrades faster above 50 mA; SOT-23 compatible pinout. | Limited to ≤40 V supplies and <150 mA continuous; unsuitable for 48 V industrial sensors or high-current LED arrays. | Choose MMBT3904LT1G only for cost-sensitive, low-voltage digital switching; MMBTA06_D87Z remains optimal for analog amplification and higher-voltage switching. |
Compared with BC847B,115 and MMBT3904LT1G, the MMBTA06_D87Z delivers unique headroom via its 80 V rating and 350 mW dissipation - making it the only option among the three validated for 48 V sensor interfaces and 100 mA LED drivers without thermal compromise.
Availability
MMBTA06_D87Z is available at Aetrix Electronics and suitable for industrial sensor interfaces, audio preamplifier stages, and LED driver circuits requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for MMBTA06_D87Z 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
ON Semiconductor (formerly Fairchild Semiconductor) is a global leader in intelligent power and sensing solutions, serving automotive, industrial, cloud computing, and consumer markets with energy-efficient semiconductor technologies.
The MMBTA06_D87Z belongs to ON Semiconductor's legacy general-purpose bipolar transistor portfolio, designed specifically for cost-effective, reliable amplification and switching in non-critical analog and interface circuits.
FAQ
What is the maximum collector-emitter voltage rating for MMBTA06_D87Z?
The MMBTA06_D87Z has a guaranteed VCEO rating of 80 V, meaning it can safely sustain up to 80 V between collector and emitter with base open. This rating is confirmed in the Absolute Maximum Ratings table of the official Fairchild/ON Semiconductor datasheet Rev. 1.1.0 and applies across the full operating temperature range of −55°C to +150°C.
Is MMBTA06_D87Z pin-compatible with other SOT-23 NPN transistors like MMBT3904?
No - while both MMBTA06_D87Z and MMBT3904 use the SOT-23 package, their pinouts differ: MMBTA06_D87Z follows E-B-C (Emitter-Base-Collector) order on pins 1–2–3, whereas MMBT3904 uses E-C-B. Swapping them without board revision will cause circuit failure. Always verify pin mapping using the "SOT-23" diagram in the MMBTA06_D87Z datasheet.
What is the typical DC current gain (hFE) of MMBTA06_D87Z at 100 mA collector current?
The MMBTA06_D87Z guarantees hFE ≥100 at IC = 100 mA and VCE = 1.0 V, per the Electrical Characteristics table in the official datasheet. This minimum value ensures predictable biasing in medium-current amplifier and switch applications, though actual units often measure 150–250 under those conditions.
Can MMBTA06_D87Z be used in RF applications?
Yes - the MMBTA06_D87Z has a specified fT of 100 MHz at IC = 10 mA, VCE = 2.0 V, and f = 100 MHz, confirming usable small-signal gain into the VHF band. It is commonly deployed in low-cost RF buffer and oscillator stages, though not recommended for >200 MHz due to gain roll-off beyond fT.
What is the thermal resistance from junction to ambient (RθJA) for MMBTA06_D87Z?
The MMBTA06_D87Z has an RθJA of 357 °C/W when mounted on a standard FR-4 PCB (36 mm × 18 mm × 1.5 mm) per the Thermal Characteristics table. This value assumes no copper pour on the collector pad; adding ≥6 cm² of thermal copper reduces RθJA significantly and is recommended for sustained >200 mA operation.
MMBTA06_D87Z Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 500 mA
- Voltage - Collector Emitter Breakdown (Max):
- 80 V
- Vce Saturation (Max) @ Ib, Ic:
- 250mV @ 10mA, 100mA
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 100mA, 1V
- Power - Max:
- 350 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
MMBTA06_D87Z FAQ
1.How can I place an order for MMBTA06_D87Z through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBTA06_D87Z 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 MMBTA06_D87Z reliable?
The price and inventory of MMBTA06_D87Z are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBTA06_D87Z is usually 5 days.
3.What payment methods are accepted for MMBTA06_D87Z?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBTA06_D87Z transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBTA06_D87Z?
MMBTA06_D87Z orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBTA06_D87Z 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 MMBTA06_D87Z?
For technical support, including MMBTA06_D87Z datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBTA06_D87Z requirements.
6.How does Aetrix verify that MMBTA06_D87Z is sourced from the original manufacturer or authorized distributors?
All MMBTA06_D87Z 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 MMBTA06_D87Z meets industry standards.
7.What is the process for return or replacement of MMBTA06_D87Z?
All MMBTA06_D87Z units undergo pre-shipment inspection (PSI). If there is an issue with MMBTA06_D87Z, 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 MMBTA06_D87Z part is unused and in its original packaging.
Return procedure for MMBTA06_D87Z:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBTA06_D87Z Tags

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