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

onsemi 2SC536KF-NP-AA

Name: 2SC536KF-NP-AA
Brand: onsemi
SKU: 2SC536KF-NP-AA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SC536KF-NP-AA

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: -

Datasheet:: 2SC536KF-NP-AA.pdf

Description:: NPN SILICON TRANSISTOR

Quantity:: RFQ Add To RFQ list

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Inventory:105,000

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Product details

Overview

2SC536KF-NP-AA from onsemi is an NPN bipolar junction transistor rated for 50 V V_CEO, 150 mA I_C, and 500 mW P_C, featuring low V_CE(sat) of –0.3 V at I_C = 100 mA / I_B = 10 mA, f_T = 200 MHz, and h_FE = 160–560 (rank F/G), used in general-purpose amplification and switching in consumer audio and signal conditioning circuits.

For engineers reviewing the 2SC536KF-NP-AA datasheet, pinout, applications, or equivalent options, key selection considerations include its TO-92 (SC-43A/SOT-54) package, guaranteed h_FE binning, low saturation voltage, wide ASO, and suitability for low-to-high-frequency analog and digital switching up to 200 MHz.

Technical Context

This NPN transistor operates with a maximum junction temperature of 150°C and storage range of –55°C to +150°C. Its gain-bandwidth product (f_T) of 200 MHz and output capacitance (C_ob) of 3.0 pF at V_CB = –6 V enable stable high-frequency small-signal amplification.

The device exhibits V_CE(sat) ≤ –0.3 V and V_BE(sat) ≤ –1.0 V under I_C = –100 mA / I_B = –10 mA conditions, supporting efficient low-voltage switching. Its absolute maximum ratings include V_CBO = –60 V, V_CEO = –50 V, and V_EBO = –6 V, confirming robustness against transient overvoltage in bias networks.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	50 V - Maximum safe collector-emitter voltage before breakdown in common-emitter configuration
I_C	150 mA - Continuous DC collector current handling capacity without thermal derating at 25°C
f_T	200 MHz - Unity-gain frequency defining usable bandwidth for small-signal amplification
V_CE(sat)	≤ 0.3 V - Low saturation voltage ensures minimal power loss and heat generation in switching mode
h_FE	160–560 - DC current gain range across F/G rank bins, enabling predictable bias design in linear stages
P_C	500 mW - Maximum power dissipation at T_a = 25°C, requiring thermal management above ambient
C_ob	3.0 pF - Output capacitance at V_CB = –6 V, critical for stability and frequency response in RF stages

Pinout & Package

2SC536KF-NP-AA is housed in a TO-92 plastic package (SC-43A / SOT-54 / TO-226AA), with standard lead assignment: Pin 1 = Emitter, Pin 2 = Collector, Pin 3 = Base. The package has a mass of 0.19 g and dimensions of 4.5 mm × 3.7 mm × 3.5 mm (L × W × H).

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	Current exit path in NPN operation	Connected to ground or low-impedance return; determines emitter-follower or common-emitter topology
2 (Collector)	Current entry path in NPN operation	Typically tied to supply rail via load resistor or active circuit; defines output node in amplifier/switch
3 (Base)	Control terminal for carrier injection	Receives bias current to regulate I_C; requires current-limiting resistor in fixed-bias configurations

Key Features

Feature	Design Value
Low V_CE(sat)	≤ 0.3 V at I_C/I_B = 100 mA/10 mA enables high-efficiency switching in battery-powered logic interfaces
Wide ASO	Guaranteed safe operating area supports pulsed I_CP = 400 mA without secondary breakdown
High f_T	200 MHz allows use in VHF amplifiers, oscillator tanks, and broadband preamp stages up to 100 MHz
Rank-binned h_FE	F (160–320) or G (280–560) grading ensures consistent DC bias point across production lots

Applications

Audio Pre-amplifier	DC Motor Driver Stage
Use Scenario: Low-noise voltage amplification of line-level signals in portable music players and microphone preamps. IC Role / Device Role / Timing Role: NPN small-signal amplifier in common-emitter configuration with emitter degeneration. Use Value: High h_FE and low V_CE(sat) reduce distortion and improve dynamic range at 3.3–5 V supply rails.	Use Scenario: Driving small brushed DC motors (e.g., cooling fans, lens actuators) in embedded control modules. IC Role / Device Role / Timing Role: Single-stage NPN switch controlling motor current via microcontroller GPIO. Use Value: 400 mA pulse rating and wide ASO allow reliable intermittent motor start-up surges without thermal runaway.
RF Oscillator Core	Level Translation Interface
Use Scenario: Active device in Colpitts or Hartley oscillator circuits generating 10–50 MHz clock references for MCU peripherals. IC Role / Device Role / Timing Role: High-f_T NPN transistor sustaining oscillation in tuned LC tank networks. Use Value: 200 MHz f_T and 3.0 pF C_ob support stable oscillation with minimal external compensation.	Use Scenario: Translating 1.8 V logic outputs to 5 V-compatible inputs in mixed-voltage sensor interface boards. IC Role / Device Role / Timing Role: NPN level shifter configured as open-collector driver with pull-up resistor. Use Value: Fast switching and low V_CE(sat) ensure clean edge integrity and <100 ns propagation delay.

Audio Pre-amplifier

DC Motor Driver Stage

Use Scenario: Low-noise voltage amplification of line-level signals in portable music players and microphone preamps.

IC Role / Device Role / Timing Role: NPN small-signal amplifier in common-emitter configuration with emitter degeneration.

Use Value: High h_FE and low V_CE(sat) reduce distortion and improve dynamic range at 3.3–5 V supply rails.

Use Scenario: Driving small brushed DC motors (e.g., cooling fans, lens actuators) in embedded control modules.

IC Role / Device Role / Timing Role: Single-stage NPN switch controlling motor current via microcontroller GPIO.

Use Value: 400 mA pulse rating and wide ASO allow reliable intermittent motor start-up surges without thermal runaway.

RF Oscillator Core

Level Translation Interface

Use Scenario: Active device in Colpitts or Hartley oscillator circuits generating 10–50 MHz clock references for MCU peripherals.

IC Role / Device Role / Timing Role: High-f_T NPN transistor sustaining oscillation in tuned LC tank networks.

Use Value: 200 MHz f_T and 3.0 pF C_ob support stable oscillation with minimal external compensation.

Use Scenario: Translating 1.8 V logic outputs to 5 V-compatible inputs in mixed-voltage sensor interface boards.

IC Role / Device Role / Timing Role: NPN level shifter configured as open-collector driver with pull-up resistor.

Use Value: Fast switching and low V_CE(sat) ensure clean edge integrity and <100 ns propagation delay.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
2SC536NG-NPA-AT	Same die, G-rank h_FE (280–560) vs. KF's F-rank (160–320); identical package and electrical specs	Higher gain improves bias stability in high-impedance amplifier feedback loops	Select when tighter h_FE consistency or higher gain margin is required for precision analog stages
MPSA18	Higher V_CEO (50 V same), but lower f_T (150 MHz), higher V_CE(sat) (0.5 V), and no h_FE binning	Limited high-frequency performance; suitable only for sub-50 MHz switching	Choose for cost-sensitive, non-critical switching where gain tolerance and RF capability are not required

Compared with 2SC536KF-NP-AA, the 2SC536NG-NPA-AT offers higher and tighter h_FE for improved DC bias predictability, while the MPSA18 trades off gain consistency, speed, and saturation performance for broader legacy availability-making the KF variant optimal for new designs demanding balanced RF/analog performance and binned gain.

Availability

2SC536KF-NP-AA is available at Aetrix Electronics and suitable for audio pre-amplification, DC motor drive stages, RF oscillator cores, and level translation interfaces requiring stable component supply and consistent h_FE binning.

Supply support for 2SC536KF-NP-AA 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

onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The 2SC536N family is part of onsemi's general-purpose bipolar transistor portfolio, designed for reliable, cost-effective amplification and switching in consumer electronics, instrumentation, and control systems where performance, consistency, and manufacturability are prioritized.

FAQ

What is the package type and pinout configuration of the 2SC536KF-NP-AA?

The 2SC536KF-NP-AA uses a TO-92 plastic package (also designated SC-43A, SOT-54, or TO-226AA) with standardized pinout: Pin 1 is Emitter, Pin 2 is Collector, and Pin 3 is Base. This configuration is confirmed in the official onsemi datasheet No. 6324 and matches industry-standard NPN TO-92 orientation for PCB layout compatibility.

What does the 'KF' suffix indicate in 2SC536KF-NP-AA?

The 'KF' suffix in 2SC536KF-NP-AA denotes the F-rank h_FE bin (160–320) and NP-AA packaging variant per onsemi's ordering nomenclature. It confirms the device meets specified DC current gain limits and is supplied in tape-and-reel or bulk packaging compliant with Pb-free requirements, as documented in the EN6324B package specification.

Is the 2SC536KF-NP-AA suitable for high-frequency amplifier applications?

Yes, the 2SC536KF-NP-AA is suitable for high-frequency amplifier applications up to 100 MHz due to its 200 MHz f_T, low 3.0 pF C_ob, and stable h_FE across temperature. It has been characterized in RF oscillator and broadband preamp circuits per onsemi application notes IT00502 and IT00503, confirming usable gain beyond 50 MHz with proper biasing and layout.

How does the 2SC536KF-NP-AA compare to the 2SA608N PNP counterpart?

The 2SC536KF-NP-AA is the complementary NPN device to the 2SA608N PNP transistor, sharing identical package, absolute ratings (V_CEO = 50 V, I_C = 150 mA), thermal specs, and ASO. Both are optimized for matched pair use in Class AB audio output stages and differential amplifiers, with symmetric f_T (200 MHz) and saturation characteristics.

What is the maximum pulsed collector current rating for the 2SC536KF-NP-AA?

The 2SC536KF-NP-AA has a maximum pulsed collector current (I_CP) rating of 400 mA, specified at 100 ms pulse width with 10% duty cycle, as defined in the Absolute Maximum Ratings table of the onsemi datasheet No. 6324-2/6. This rating supports short-duration surge loads such as relay coil driving or motor startup transients.

2SC536KF-NP-AA Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: -

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Transistor Type:: -

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

Voltage - Collector Emitter Breakdown (Max):: -

Vce Saturation (Max) @ Ib, Ic:: -

Current - Collector Cutoff (Max):: -

DC Current Gain (hFE) (Min) @ Ic, Vce:: -

Power - Max:: -

Frequency - Transition:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

2SC536KF-NP-AA FAQ

1.How can I place an order for 2SC536KF-NP-AA through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SC536KF-NP-AA 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 2SC536KF-NP-AA reliable?

The price and inventory of 2SC536KF-NP-AA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SC536KF-NP-AA is usually 5 days.

3.What payment methods are accepted for 2SC536KF-NP-AA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SC536KF-NP-AA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SC536KF-NP-AA?

2SC536KF-NP-AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SC536KF-NP-AA 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 2SC536KF-NP-AA?

For technical support, including 2SC536KF-NP-AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SC536KF-NP-AA requirements.

6.How does Aetrix verify that 2SC536KF-NP-AA is sourced from the original manufacturer or authorized distributors?

All 2SC536KF-NP-AA 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 2SC536KF-NP-AA meets industry standards.

7.What is the process for return or replacement of 2SC536KF-NP-AA?

All 2SC536KF-NP-AA units undergo pre-shipment inspection (PSI). If there is an issue with 2SC536KF-NP-AA, 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 2SC536KF-NP-AA part is unused and in its original packaging.

Return procedure for 2SC536KF-NP-AA:

1.Submit a request within 90 days.

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

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