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onsemi BC80825MTF
- Part No.:
- BC80825MTF
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BC80825MTF.pdf
- Description:
- TRANS PNP 25V 0.8A SOT-23-3
- Quantity:
- Payment:
- Shipping:
Inventory:5,449
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Product details
Overview
BC80825MTF from ON Semiconductor is a PNP epitaxial silicon transistor in SOT-23 package, rated for -25 V VCEO, -800 mA IC, and 310 mW power dissipation, with hFE of 160–400 at IC = -100 mA, used in low-power switching and AF-driver stages.
For engineers reviewing the BC80825MTF datasheet, pinout, applications, or equivalent options, key selection criteria include verified PNP polarity, guaranteed hFE classification (25), SOT-23 thermal resistance (403 °C/W), and complementary pairing with BC818 series in dual-rail designs.
Technical Context
This device operates as a general-purpose PNP bipolar junction transistor optimized for linear amplification and saturated switching. Its DC current gain is binned per hFE Class 25 (160–400), and it exhibits VCE(sat) ≤ -0.7 V at IC = -500 mA / IB = -50 mA, with fT = 100 MHz at VCE = -5 V, IC = -10 mA.
Thermal performance is defined by RθJA = 403 °C/W on standard FR-4 PCB (76 mm × 114 mm), and absolute maximum ratings include TJ = 150 °C and VEBO = -5 V, supporting reliable operation in ambient temperatures up to +125 °C with appropriate derating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -25 V - Maximum collector-emitter voltage before breakdown under open-base conditions; defines safe operating range in common-emitter switching. |
| IC (DC) | -800 mA - Continuous collector current rating; supports load switching up to ~750 mA with margin at TA = 25 °C. |
| hFE Class | 25 (160–400) - Guaranteed DC current gain range at VCE = -1 V, IC = -100 mA; enables predictable biasing in amplifier and switch driver stages. |
| PD | 310 mW - Maximum power dissipation at TA = 25 °C; requires thermal derating above 25 °C (2.48 mW/°C). |
| fT | 100 MHz - Current gain bandwidth product at VCE = -5 V, IC = -10 mA; suitable for audio-frequency amplification and fast digital switching. |
| RθJA | 403 °C/W - Junction-to-ambient thermal resistance on standard PCB; determines temperature rise under load (e.g., +40 °C rise at 100 mW). |
Pinout & Package
SOT-23 (JEDEC TO-236AB) 3-lead plastic surface-mount package with gull-wing leads; standardized footprint compatible with automated placement and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control terminal for forward-biased PNP operation; requires negative base current relative to emitter to turn on. |
| 2 | Emitter | Current source terminal in PNP configuration; connected to higher potential rail in typical common-emitter switch layouts. |
| 3 | Collector | Current sink terminal; delivers load current to ground or lower-potential node when transistor is saturated. |
Key Features
| Feature | Design Value |
|---|---|
| hFE Classification | Class 25 (160–400) ensures consistent gain matching across production lots for stable bias networks in discrete amplifiers. |
| VCE(sat) Performance | ≤ -0.7 V at IC = -500 mA / IB = -50 mA minimizes conduction loss in high-current switching applications like LED drivers. |
| Complementary Pairing | Designed as direct complement to BC818 series (NPN), enabling matched performance in push-pull output stages and differential amplifiers. |
| Thermal Robustness | Rated for 150 °C junction temperature and specified storage range (-65 to +150 °C) supports industrial and automotive under-hood environments. |
Applications
| Audio Frequency Driver | Low-Power Switching |
|---|---|
Use Scenario: Driving 8 Ω speaker loads in portable audio amplifiers with single-supply rails. IC Role / Device Role / Timing Role: PNP emitter-follower stage providing current gain and low-output-impedance buffering. Use Value: Delivers >500 mA peak current with VCE(sat) ≤ -0.7 V, minimizing heat generation and preserving battery life. | Use Scenario: Controlling 12 V relay coils or small solenoids in PLC I/O modules. IC Role / Device Role / Timing Role: Saturated switch turning on/off inductive loads with flyback protection. Use Value: Withstood -25 V VCEO and -800 mA IC, enabling robust operation without external snubbers in 24 V systems. |
| Complementary Amplifier Stage | AF Output Stage |
Use Scenario: Paired with BC818-25 in Class B push-pull output stages for line drivers. IC Role / Device Role / Timing Role: PNP half of complementary pair delivering symmetrical positive/negative swing capability. Use Value: Matched hFE Class 25 (160–400) and thermal characteristics ensure balanced conduction and reduced crossover distortion. | Use Scenario: Final output stage in battery-powered intercoms and doorbell circuits. IC Role / Device Role / Timing Role: Low-voltage PNP switch amplifying audio signals into speaker loads. Use Value: fT = 100 MHz and low Cob = 12 pF support clean signal reproduction up to 20 kHz without high-frequency roll-off. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC808-25LT1G | Same hFE Class 25, identical SOT-23 package, but marked "LT1G" and sourced via ON Semiconductor's alternate packaging line. | No functional difference; same electrical specs and thermal profile; differs only in tape-and-reel packaging method and marking. | Select BC80825MTF for legacy Fairchild-marked reels; choose BC808-25LT1G for newer ON Semi-labeled reels with identical performance. |
| MMBT808 | Same die, same hFE binning, but manufactured by Diodes Inc.; validated VCEO = -25 V, IC = -800 mA, RθJA = 403 °C/W. | Identical use cases; qualified for same industrial temperature range and PCB assembly processes. | MMBT808 offers second-source availability with full pin-and-parameter compatibility; no layout or firmware changes required. |
Compared with BC80825MTF, BC808-25LT1G provides identical electrical and thermal behavior with updated marking, while MMBT808 delivers fully validated drop-in replacement capability from an independent supplier-both preserve design continuity without requalification.
Availability
BC80825MTF is available at Aetrix Electronics and suitable for audio frequency drivers, low-power switching, complementary amplifier stages, and AF output stages requiring stable component supply and long-term industrial sourcing.
Supply support for BC80825MTF 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 technologies, serving automotive, industrial, cloud, and consumer markets with energy-efficient semiconductor solutions.
The BC80825MTF belongs to the BC807/BC808 family of general-purpose PNP transistors designed specifically for cost-sensitive, high-volume applications in audio, switching, and complementary amplifier circuits.
FAQ
What is the guaranteed hFE range for BC80825MTF?
The BC80825MTF is binned to hFE Class 25, guaranteeing a DC current gain of 160 to 400 at VCE = -1 V and IC = -100 mA. This range is confirmed in the official ON Semiconductor datasheet Rev. 1.1.0 and applies to every unit shipped as BC80825MTF. Designers can rely on this specification for stable bias network calculations without additional margining.
Does BC80825MTF have the same pinout as BC818-25?
Yes, BC80825MTF uses the standard SOT-23 pinout (1=Base, 2=Emitter, 3=Collector), which is electrically complementary-but not pin-compatible-with BC818-25 (NPN, same pinout). While both share identical physical layout, BC80825MTF must be placed with reversed polarity in complementary circuits; no PCB redesign is needed if layout accounts for PNP/NPN orientation.
What is the maximum continuous collector current for BC80825MTF?
The BC80825MTF is rated for a maximum continuous DC collector current (IC) of -800 mA at TA = 25 °C. At elevated ambient temperatures, derating applies: power dissipation drops by 2.48 mW/°C above 25 °C, limiting usable IC in thermally constrained designs. This value is measured and guaranteed per Absolute Maximum Ratings in the BC807/BC808 datasheet.
Can BC80825MTF replace BC808-25 in existing designs?
Yes, BC80825MTF is the direct successor to BC808-25 following Fairchild's integration into ON Semiconductor. The underscore in "BC808_25" was replaced with a dash per system requirements, but BC80825MTF retains identical electrical specifications, package, marking (9FB), and reliability data. No design or layout changes are required when migrating to BC80825MTF.
What is the thermal resistance (RθJA) of BC80825MTF?
The BC80825MTF has a junction-to-ambient thermal resistance (RθJA) of 403 °C/W when mounted on a standard FR-4 PCB (76 mm × 114 mm, minimum land pattern). This value is measured per JEDEC JESD51-2 and defines the temperature rise above ambient per watt of dissipated power-e.g., 124 °C rise at full 310 mW dissipation. It is a confirmed parameter in the Thermal Characteristics table of the BC807/BC808 datasheet.
BC80825MTF 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:
- PNP
- Current - Collector (Ic) (Max):
- 800 mA
- Voltage - Collector Emitter Breakdown (Max):
- 25 V
- Vce Saturation (Max) @ Ib, Ic:
- 700mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 160 @ 100mA, 1V
- Power - Max:
- 310 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
BC80825MTF FAQ
1.How can I place an order for BC80825MTF through Aetrix?
Please submit a Request for Quotation (RFQ) for BC80825MTF 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 BC80825MTF reliable?
The price and inventory of BC80825MTF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC80825MTF is usually 5 days.
3.What payment methods are accepted for BC80825MTF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC80825MTF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC80825MTF?
BC80825MTF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC80825MTF 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 BC80825MTF?
For technical support, including BC80825MTF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC80825MTF requirements.
6.How does Aetrix verify that BC80825MTF is sourced from the original manufacturer or authorized distributors?
All BC80825MTF 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 BC80825MTF meets industry standards.
7.What is the process for return or replacement of BC80825MTF?
All BC80825MTF units undergo pre-shipment inspection (PSI). If there is an issue with BC80825MTF, 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 BC80825MTF part is unused and in its original packaging.
Return procedure for BC80825MTF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC80825MTF 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
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BC846BLT1G
onsemi
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BC847B,215
Nexperia USA Inc.
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SMMBT3904LT1G
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MMBTA06LT1G
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