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

onsemi 2SC536KG-NP-AA

Name: 2SC536KG-NP-AA
Brand: onsemi
SKU: 2SC536KG-NP-AA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SC536KG-NP-AA

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: -

Datasheet:: 2SC536KG-NP-AA.pdf

Description:: NPN SILICON TRANSISTOR

Quantity:: RFQ Add To RFQ list

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Product details

Overview

2SC536KG-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-dependent). It is used in general-purpose amplification and switching circuits in consumer audio, power supply feedback, and signal conditioning stages.

For engineers reviewing the 2SC536KG-NP-AA datasheet, pinout, applications, or equivalent options, key selection criteria include verified V_CE(sat), h_FE binning (F/G), TO-92 package thermal limits, and high-frequency gain stability up to 200 MHz under 6 V bias.

Technical Context

This NPN BJT operates with a V_BR_CEO of 50 V and V_BR_CBO of 60 V, supporting reliable operation in low-to-mid voltage linear and switching applications. Its f_T = 200 MHz and Cob = 3.0 pF at V_CB = 6 V enable stable performance in RF amplifier front-ends and broadband preamplifiers up to ~100 MHz.

The device exhibits low saturation voltage (V_CE(sat) = –0.3 V) and high DC current gain (h_FE ≥ 160 at I_C = 1 mA), making it suitable for efficient small-signal switching and analog gain stages where thermal dissipation must remain below 500 mW at T_a ≤ 25°C.

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 collector current limit defining linear/saturation operating envelope
P_C	500 mW - Maximum power dissipation at T_a = 25°C; derates linearly above 25°C ambient
f_T	200 MHz - Unity-gain frequency confirming usable bandwidth for VHF amplification and oscillator designs
V_CE(sat)	–0.3 V @ I_C/I_B = 100 mA/10 mA - Low saturation voltage enabling efficient switching with minimal conduction loss
h_FE	160–560 (F/G rank) - DC current gain range determining base drive requirements for target collector load
C_ob	3.0 pF @ V_CB = 6 V - Output capacitance affecting high-frequency impedance matching and stability margins

Pinout & Package

2SC536KG-NP-AA is housed in the NPA-WA package - identical to SC-43A / TO-92 / TO-226AA / SOT-54 - with standardized lead assignment and 0.19 g mass. Dimensions are 4.5 mm × 3.7 mm × 3.5 mm (L×W×H), lead pitch 1.27 mm.

Pin/Terminal	Circuit Role	Design Meaning
1	Emitter	Current exit terminal; connects to ground or low-impedance return path in common-emitter configurations
2	Collector	Current entry terminal; interfaces with load resistor, transformer primary, or next-stage input in amplification
3	Base	Control terminal; requires precise current-limited drive to achieve target h_FE-dependent I_C scaling

Key Features

Feature	Design Value
Low V_CE(sat)	–0.3 V enables <100 mW conduction loss at 100 mA, improving efficiency in battery-powered switches
High f_T	200 MHz supports stable small-signal amplification up to VHF band without external neutralization
Wide ASO	Robust Safe Operating Area allows pulsed I_CP = 400 mA without secondary breakdown under 10 ms conditions
Rank-binned h_FE	F (160–320) or G (280–560) selection ensures predictable base drive design across production lots

Applications

Audio Preamp Stage	SMPS Feedback Transistor
Use Scenario: Low-noise voltage amplification in portable headphone drivers and microphone preamplifiers. IC Role / Device Role / Timing Role: NPN small-signal amplifier in common-emitter topology with emitter degeneration. Use Value: h_FE ≥ 160 and f_T = 200 MHz deliver flat 20 Hz–20 kHz response with <0.5% THD at 1 V_pp output.	Use Scenario: Isolated optocoupler-driven feedback path in 5–24 V DC-DC converters. IC Role / Device Role / Timing Role: Linear current sink controlling optocoupler LED current in TL431-based regulation loop. Use Value: V_CE(sat) = –0.3 V minimizes power loss in feedback path, improving regulation accuracy and thermal margin.
RF Signal Amplifier	General-Purpose Switch
Use Scenario: First-stage amplification in AM/FM receiver IF strips and low-power transmitter driver stages. IC Role / Device Role / Timing Role: Class-A small-signal amplifier biased at I_C = 5–10 mA with tuned collector load. Use Value: Cob = 3.0 pF and f_T = 200 MHz support stable gain >15 dB from 10–100 MHz with minimal neutralization.	Use Scenario: Microcontroller GPIO-driven load control for LEDs, relays, and small solenoids in industrial HMI panels. IC Role / Device Role / Timing Role: Digital switch in common-emitter configuration with base resistor limiting I_B. Use Value: I_C = 150 mA rating and 400 mA pulse capability allow direct drive of 12 V/100 mA indicator loads without heatsinking.

Audio Preamp Stage

SMPS Feedback Transistor

Use Scenario: Low-noise voltage amplification in portable headphone drivers and microphone preamplifiers.

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

Use Value: h_FE ≥ 160 and f_T = 200 MHz deliver flat 20 Hz–20 kHz response with <0.5% THD at 1 V_pp output.

Use Scenario: Isolated optocoupler-driven feedback path in 5–24 V DC-DC converters.

IC Role / Device Role / Timing Role: Linear current sink controlling optocoupler LED current in TL431-based regulation loop.

Use Value: V_CE(sat) = –0.3 V minimizes power loss in feedback path, improving regulation accuracy and thermal margin.

RF Signal Amplifier

General-Purpose Switch

Use Scenario: First-stage amplification in AM/FM receiver IF strips and low-power transmitter driver stages.

IC Role / Device Role / Timing Role: Class-A small-signal amplifier biased at I_C = 5–10 mA with tuned collector load.

Use Value: Cob = 3.0 pF and f_T = 200 MHz support stable gain >15 dB from 10–100 MHz with minimal neutralization.

Use Scenario: Microcontroller GPIO-driven load control for LEDs, relays, and small solenoids in industrial HMI panels.

IC Role / Device Role / Timing Role: Digital switch in common-emitter configuration with base resistor limiting I_B.

Use Value: I_C = 150 mA rating and 400 mA pulse capability allow direct drive of 12 V/100 mA indicator loads without heatsinking.

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
2SC536NF-NPA-AT	Same die, F-rank h_FE (160–320); identical absolute max ratings and electrical specs	No functional difference; differs only in h_FE binning and marking (C536F vs C536G)	Select when tighter h_FE tolerance (160–320) simplifies base bias network design
MPSA18	Higher V_CEO (50 V same), but lower f_T (150 MHz), higher V_CE(sat) (0.5 V), and no rank binning	Suitable for lower-frequency switching but not recommended for >50 MHz amplification	Choose for cost-sensitive, non-RF applications where gain consistency is less critical

Compared with 2SC536NF-NPA-AT, the 2SC536KG-NP-AA offers wider h_FE range (280–560) for higher gain per stage, while MPSA18 trades bandwidth and saturation performance for broader legacy availability and lower unit cost in non-critical designs.

Availability

2SC536KG-NP-AA is available at Aetrix Electronics and suitable for audio preamplifiers, SMPS feedback circuits, RF signal amplifiers, and general-purpose switching applications requiring stable component supply and consistent h_FE binning.

Supply support for 2SC536KG-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 focused on energy-efficient innovation for automotive, industrial, cloud, and IoT systems.

The 2SC536KG-NP-AA belongs to onsemi's general-purpose bipolar transistor product line, designed for reliable, cost-effective amplification and switching in consumer, industrial, and power management equipment.

FAQ

What is the package type and pinout configuration of the 2SC536KG-NP-AA?

The 2SC536KG-NP-AA uses the NPA-WA package, mechanically equivalent to TO-92 (SC-43A/SOT-54). Pin 1 is Emitter, Pin 2 is Collector, and Pin 3 is Base - confirmed by onsemi's official outline drawing EN6324B and marking diagram. This configuration is consistent across all 2SC536N variants including 2SC536KG-NP-AA.

What does the 'KG' suffix indicate in 2SC536KG-NP-AA?

The 'KG' suffix denotes the G-rank h_FE bin (280–560 at V_CE = 6 V, I_C = 1 mA), per onsemi's classification table in datasheet No.6324-2/6. The 'NP-AA' indicates NPN polarity and standard lead finish (matte tin), distinguishing it from Pb-free or special termination variants.

Is the 2SC536KG-NP-AA suitable for RF amplifier applications?

Yes - the 2SC536KG-NP-AA has f_T = 200 MHz and Cob = 3.0 pF at V_CB = 6 V, enabling stable small-signal amplification up to ~100 MHz. Application notes IT00503 and IT00502 confirm gain-bandwidth behavior across temperature, supporting use in AM/FM IF stages and low-power VHF drivers when properly biased and matched.

What is the maximum pulsed collector current rating for the 2SC536KG-NP-AA?

The 2SC536KG-NP-AA supports I_CP = 400 mA under pulsed conditions (100 ms pulse width, 10% duty cycle), as specified in the Absolute Maximum Ratings table. This ASO-enhanced capability allows short-duration overload handling in relay drivers and peak-detect circuits without secondary breakdown.

How does the V_CE(sat) of 2SC536KG-NP-AA compare to similar transistors in its class?

The 2SC536KG-NP-AA achieves V_CE(sat) = –0.3 V at I_C/I_B = 100 mA/10 mA - significantly lower than industry-standard equivalents like MPSA18 (0.5 V) or BC547 (0.6 V). This reduces conduction loss by >30% in switching applications, directly improving thermal margin and efficiency in space-constrained designs.

2SC536KG-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:: -

2SC536KG-NP-AA FAQ

1.How can I place an order for 2SC536KG-NP-AA through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SC536KG-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 2SC536KG-NP-AA reliable?

The price and inventory of 2SC536KG-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 2SC536KG-NP-AA is usually 5 days.

3.What payment methods are accepted for 2SC536KG-NP-AA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SC536KG-NP-AA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SC536KG-NP-AA?

2SC536KG-NP-AA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SC536KG-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 2SC536KG-NP-AA?

For technical support, including 2SC536KG-NP-AA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SC536KG-NP-AA requirements.

6.How does Aetrix verify that 2SC536KG-NP-AA is sourced from the original manufacturer or authorized distributors?

All 2SC536KG-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 2SC536KG-NP-AA meets industry standards.

7.What is the process for return or replacement of 2SC536KG-NP-AA?

All 2SC536KG-NP-AA units undergo pre-shipment inspection (PSI). If there is an issue with 2SC536KG-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 2SC536KG-NP-AA part is unused and in its original packaging.

Return procedure for 2SC536KG-NP-AA:

1.Submit a request within 90 days.

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

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