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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

Nexperia USA Inc. BC807-25W,135

Name: BC807-25W,135
Brand: Nexperia USA Inc.
SKU: BC807-25W,135
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BC807-25W,135

Manufacturer:: Nexperia USA Inc.

Category:: Single Bipolar Transistors

Package:: SC-70, SOT-323

Datasheet:: BC807-25W,135.pdf

Description:: TRANS PNP 45V 0.5A SOT-323

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BC807-25W from Nexperia is a PNP bipolar junction transistor (BJT) in SOT323 (SC-70) package, rated for −45 V V_CEO, −500 mA I_C, and DC current gain (h_FE) of 160–400 at V_CE = −1 V and I_C = −100 mA. It serves as a general-purpose switching and linear amplification device in low-power analog and digital interface circuits.

For engineers reviewing the BC807-25W datasheet, BC807-25W pinout, BC807-25W application, or BC807-25W equivalent, this page delivers verified electrical parameters, thermal derating behavior, base-emitter saturation voltage (−1.2 V max), collector-emitter saturation voltage (−700 mV max), and real-world use cases in level-shifting, LED driver stages, and discrete logic inverters.

Technical Context

This PNP transistor operates with open-base collector-emitter breakdown of −45 V and emitter-base breakdown of −5 V, supporting reliable operation in low-voltage negative-rail signal conditioning. Its pulsed peak collector current reaches −1 A (t_p ≤ 1 ms), enabling short-duration load switching without thermal runaway.

The device exhibits f_T = 80 MHz at V_CE = −5 V, I_C = −10 mA, confirming suitability for audio-frequency amplification and moderate-speed digital switching. Thermal resistance R_th(j-a) is 431 K/W on FR4 PCB with 1 cm² collector pad, defining practical power handling limits under sustained DC bias.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	−45 V - Maximum safe collector-emitter voltage with base open; defines rail-to-rail headroom in negative-supply switching.
I_C	−500 mA - Continuous DC collector current rating; sets maximum steady-state load drive capability.
h_FE	160–400 - DC current gain range at V_CE = −1 V, I_C = −100 mA; determines required base drive for predictable saturation.
V_CE(sat)	−700 mV max at I_C = −500 mA, I_B = −50 mA; ensures low conduction loss in saturated switch mode.
f_T	80 MHz - Transition frequency under specified AC conditions; supports audio-band amplification and <10 MHz digital edge rates.
R_th(j-a)	431 K/W - Junction-to-ambient thermal resistance with optimized 1 cm² copper pad; informs heatsinking requirements for >100 mW dissipation.

Pinout & Package

SOT323 (SC-70) plastic surface-mounted package: ultra-compact 3-lead footprint (2.2 mm × 1.35 mm × 0.95 mm), optimized for high-density PCB layouts and reflow soldering per IPC-7095 guidelines.

Pin/Terminal	Circuit Role	Design Meaning
1	Base (B)	Current-controlled input node; requires ≥13 mA base drive to saturate at 500 mA collector load.
2	Emitter (E)	Common reference terminal tied to negative supply rail; carries full load current plus base current.
3	Collector (C)	Output terminal sourcing current to load; electrically isolated from PCB ground when used in high-side switch configuration.

Key Features

Feature	Design Value
Three h_FE variants	BC807-25W offers 160–400 gain spread-enables precise base resistor selection for consistent saturation across production batches.
Low V_CE(sat)	≤ −700 mV at I_C/I_B = 10 ensures <350 mW conduction loss at 500 mA, reducing thermal stress in compact enclosures.
High f_T	80 MHz transition frequency supports clean square-wave switching up to ~8 MHz before significant rise-time degradation.
Robust thermal design	150 °C max junction temperature and defined derating curves allow operation up to 125 °C ambient with validated PCB layout.

Applications

LED Driver Stage

Level-Shifting Interface

Use Scenario: Driving 20 mA indicator LEDs from 3.3 V microcontroller GPIO pins with inverted logic.

IC Role / Device Role / Timing Role: PNP switch sinking current from V_CC through LED to MCU output pin (active-low control).

Use Value: −700 mV V_CE(sat) minimizes LED forward voltage drop impact, preserving brightness across supply variations.

Use Scenario: Translating 5 V TTL logic signals to −3 V reference domain in mixed-supply sensor interfaces.

IC Role / Device Role / Timing Role: Active-pull-up stage converting positive-edge inputs into negative-rail compatible outputs.

Use Value: 160–400 h_FE ensures stable DC transfer ratio across temperature, eliminating need for feedback compensation.

Digital Inverter

Load Switch Controller

Use Scenario: Constructing discrete NOT gates in legacy industrial control panels where CMOS inputs require inversion.

IC Role / Device Role / Timing Role: Single-transistor common-emitter amplifier with fixed bias network providing logic inversion.

Use Value: 80 MHz f_T supports propagation delays <15 ns, meeting sub-10 MHz clock distribution timing budgets.

Use Scenario: Enabling/disabling 12 V solenoid loads via microcontroller with galvanic isolation via optocoupler-driven base.

IC Role / Device Role / Timing Role: High-current final-stage switch controlled by isolated low-power signal path.

Use Value: −1 A pulsed I_CM rating accommodates solenoid inrush currents without secondary protection components.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP general-purpose transistor applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BC807-25	Same h_FE range but in larger SOT23 package; R_th(j-a) = 625 K/W (standard footprint).	Larger board area required; less suitable for ultra-dense layouts but easier hand-soldering.	Select when thermal margin >100 mW is available and assembly process favors SOT23 tooling.
MMBT3906	h_FE = 100–300 (lower mid-range); V_CEO = −40 V; V_CE(sat) = −400 mV typical at I_C = −10 mA.	Better low-current saturation but degrades faster above 100 mA; not rated for 500 mA continuous.	Prefer for <50 mA loads where ultra-low V_CE(sat) dominates over current capacity.

Compared with BC807-25W, BC807-25 trades package size for reduced thermal performance, while MMBT3906 sacrifices current rating for tighter low-I_C saturation-making BC807-25W optimal for 100–500 mA PNP switching where SOT323 density and balanced gain/loss are critical.

Availability

BC807-25W is available at Aetrix Electronics and suitable for LED driver stages, level-shifting interfaces, digital inverters, and load switch controllers requiring stable component supply across automotive infotainment, industrial HMI, and IoT sensor node production.

Supply support for BC807-25W 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 high-volume, high-reliability essential semiconductors for automotive, industrial, mobile, and computing markets.

The BC807W series targets cost-sensitive, space-constrained applications needing robust PNP switching with guaranteed h_FE bins and industry-standard SOT323 compatibility.

FAQ

What is the maximum continuous collector current for BC807-25W?

The BC807-25W is rated for −500 mA continuous collector current at T_amb = 25 °C with proper PCB copper area. Derating begins above 25 °C per Figure 1, reaching zero allowable dissipation at 125 °C ambient when mounted on FR4 with 1 cm² collector pad.

Does BC807-25W support pulse operation beyond its DC rating?

Yes-its peak collector current I_CM is −1 A for single pulses ≤1 ms, enabling brief inrush current handling in relay or solenoid drivers. Pulse duty cycle must remain ≤0.02 (2%) to avoid junction overheating, as confirmed in Table 6 footnote [1].

How does the BC807-25W's h_FE bin compare to BC807-16W and BC807-40W?

BC807-25W guarantees h_FE = 160–400 at V_CE = −1 V, I_C = −100 mA-centered between BC807-16W (100–250) and BC807-40W (250–600). This mid-bin provides best balance of drive sensitivity and gain stability for general-purpose designs.

Can BC807-25W be used in place of BC807-25 in existing designs?

Yes-both share identical electrical specifications and pinout, but BC807-25W uses the smaller SOT323 package versus SOT23. Layout adaptation is required: footprint must shrink to 2.2 mm × 1.35 mm, and thermal relief pads must follow Figure 17 reflow guidelines to maintain solder joint integrity.

BC807-25W,135 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: -

Package/Case:: SC-70, SOT-323

Packaging:: Tape & Reel (TR)

Product Status:: Active

Transistor Type:: PNP

Current - Collector (Ic) (Max):: 500 mA

Voltage - Collector Emitter Breakdown (Max):: 45 V

Vce Saturation (Max) @ Ib, Ic:: 700mV @ 50mA, 500mA

Current - Collector Cutoff (Max):: 100nA (ICBO)

DC Current Gain (hFE) (Min) @ Ic, Vce:: 160 @ 100mA, 1V

Power - Max:: 200 mW

Frequency - Transition:: 80MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-323

BC807-25W,135 FAQ

1.How can I place an order for BC807-25W,135 through Aetrix?

Please submit a Request for Quotation (RFQ) for BC807-25W,135 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 BC807-25W,135 reliable?

The price and inventory of BC807-25W,135 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC807-25W,135 is usually 5 days.

3.What payment methods are accepted for BC807-25W,135?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC807-25W,135 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BC807-25W,135?

BC807-25W,135 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BC807-25W,135 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 BC807-25W,135?

For technical support, including BC807-25W,135 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC807-25W,135 requirements.

6.How does Aetrix verify that BC807-25W,135 is sourced from the original manufacturer or authorized distributors?

All BC807-25W,135 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 BC807-25W,135 meets industry standards.

7.What is the process for return or replacement of BC807-25W,135?

All BC807-25W,135 units undergo pre-shipment inspection (PSI). If there is an issue with BC807-25W,135, 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 BC807-25W,135 part is unused and in its original packaging.

Return procedure for BC807-25W,135:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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