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

onsemi 2SC536KE-NP

Name: 2SC536KE-NP
Brand: onsemi
SKU: 2SC536KE-NP
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2SC536KE-NP

Manufacturer:: onsemi

Category:: Single Bipolar Transistors

Package:: -

Datasheet:: 2SC536KE-NP.pdf

Description:: NPN SILICON TRANSISTOR

Quantity:: RFQ Add To RFQ list

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Inventory:37,377

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Product details

Overview

2SC536KE-NP from ON Semiconductor 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 control, and signal conditioning stages.

For engineers reviewing the 2SC536KE-NP datasheet, pinout, applications, or equivalent options, key selection criteria include verified V_CE(sat), h_FE binning (F/G), f_T performance at 10 mA, Cob = 3.0 pF at V_CB = –6 V, and TO-92 (SC-43A/SOT-54) package compatibility with legacy through-hole layouts.

Technical Context

The 2SC536KE-NP operates as a general-purpose NPN BJT optimized for low-saturation switching and mid-frequency amplification. Its design supports DC to 200 MHz operation, with guaranteed h_FE spread across two gain ranks (F: 160–320; G: 280–560) and stable f_T at I_C = 10 mA under V_CE = 6 V bias.

Thermal performance is defined by a 150 °C maximum junction temperature and derated power dissipation (500 mW at T_a = 25 °C, decreasing linearly above 25 °C per the PC–Ta curve). The device meets Pb-Free requirements and is qualified per ON Semiconductor's industrial reliability standards.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	50 V - Maximum safe collector-emitter voltage before breakdown under open-base conditions.
I_C	150 mA - Continuous collector current rating; supports medium-power switching loads.
V_CE(sat)	–0.3 V at I_C/I_B = 100 mA/10 mA - Low saturation voltage minimizes conduction loss in switching applications.
f_T	200 MHz - Gain-bandwidth product confirms usable RF performance up to VHF band in small-signal amplifiers.
h_FE	160–560 (rank F/G) - Wide DC current gain range enables flexible biasing in amplifier and driver designs.
C_ob	3.0 pF at V_CB = –6 V - Low output capacitance supports higher frequency stability and reduced Miller effect.
P_C	500 mW at T_a = 25 °C - Power dissipation limit defines thermal design margin for PCB copper area and ambient conditions.

Pinout & Package

2SC536KE-NP is housed in the NPA-WA variant of the SC-43A (TO-92, SOT-54) plastic package, with standardized lead configuration: Pin 1 = Emitter, Pin 2 = Collector, Pin 3 = Base. The package measures 4.5 mm × 3.7 mm × 3.5 mm (L×W×H), weighs 0.19 g, and features axial leads compatible with manual soldering and wave soldering processes.

Pin/Terminal	Circuit Role	Design Meaning
1 (Emitter)	Current sink terminal for NPN operation	Connected to ground or low-impedance return path; polarity-sensitive for correct biasing.
2 (Collector)	Current source terminal	Typically connected to load or supply rail; carries full switched/amplified output current.
3 (Base)	Control input for carrier injection	Receives drive current to modulate collector current; requires current-limiting resistor in most configurations.

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 allows use in IF amplifiers, oscillator buffers, and broadband preamp stages up to 100 MHz.
Wide ASO	Guaranteed Safe Operating Area supports pulsed I_CP = 400 mA (100 ms), enabling short-duration surge handling.
Gain binning	Two h_FE ranks (F/G) allow precise matching in differential pairs or cascaded gain stages.
Pb-Free packaging	NPA-WA package complies with RoHS Directive 2011/65/EU and JEDEC J-STD-020 moisture sensitivity level MSL3.

Applications

Audio Pre-amplifier Stage	DC-DC Converter Switch Driver
Use Scenario: Low-noise voltage amplification of line-level analog signals prior to ADC sampling in portable audio recorders. IC Role / Device Role / Timing Role: NPN small-signal amplifier operating in common-emitter configuration with emitter degeneration. Use Value: h_FE ≥ 280 (G-rank) ensures stable 20–20 kHz gain flatness; low V_CE(sat) reduces idle power in always-on front-end stages.	Use Scenario: Driving the gate of a power MOSFET in a 12 V input, 5 V output buck converter operating at 500 kHz. IC Role / Device Role / Timing Role: Digital switch providing fast turn-on/turn-off control via saturated base drive. Use Value: f_T = 200 MHz and low C_ob minimize switching delay; V_CE(sat) ≤ 0.3 V limits driver-stage conduction loss.
LED Constant-Current Sink	Industrial Sensor Signal Conditioning
Use Scenario: Precision current regulation for high-brightness white LEDs in emergency lighting modules. IC Role / Device Role / Timing Role: Linear current sink with feedback-resistor-controlled I_C in emitter-follower topology. Use Value: Tight h_FE tolerance (±20% within rank) ensures consistent LED brightness across production batches.	Use Scenario: Amplifying millivolt-level thermocouple outputs in programmable logic controller (PLC) analog input modules. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input transistor with matched pair biasing. Use Value: Low ICBO ≤ 0.1 μA minimizes input offset drift over temperature; wide ASO accommodates transient overloads during field wiring faults.

Audio Pre-amplifier Stage

DC-DC Converter Switch Driver

Use Scenario: Low-noise voltage amplification of line-level analog signals prior to ADC sampling in portable audio recorders.

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

Use Value: h_FE ≥ 280 (G-rank) ensures stable 20–20 kHz gain flatness; low V_CE(sat) reduces idle power in always-on front-end stages.

Use Scenario: Driving the gate of a power MOSFET in a 12 V input, 5 V output buck converter operating at 500 kHz.

IC Role / Device Role / Timing Role: Digital switch providing fast turn-on/turn-off control via saturated base drive.

Use Value: f_T = 200 MHz and low C_ob minimize switching delay; V_CE(sat) ≤ 0.3 V limits driver-stage conduction loss.

LED Constant-Current Sink

Industrial Sensor Signal Conditioning

Use Scenario: Precision current regulation for high-brightness white LEDs in emergency lighting modules.

IC Role / Device Role / Timing Role: Linear current sink with feedback-resistor-controlled I_C in emitter-follower topology.

Use Value: Tight h_FE tolerance (±20% within rank) ensures consistent LED brightness across production batches.

Use Scenario: Amplifying millivolt-level thermocouple outputs in programmable logic controller (PLC) analog input modules.

IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input transistor with matched pair biasing.

Use Value: Low ICBO ≤ 0.1 μA minimizes input offset drift over temperature; wide ASO accommodates transient overloads during field wiring faults.

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
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 C536KE).	Select when tighter low-end h_FE control is required for predictable minimum gain in critical bias networks.
MPSA18	Higher V_CEO = 50 V (same), but lower f_T = 100 MHz and h_FE = 100–300; Cob = 4.0 pF.	Less suitable for >50 MHz signal paths; acceptable for DC/low-frequency switching where gain consistency is primary.	Choose when cost sensitivity outweighs RF performance needs and existing MPSA18 footprint reuse is prioritized.

Compared with 2SC536KE-NP, the 2SC536NF-NPA-AT offers identical performance with narrower h_FE range, while the MPSA18 trades bandwidth and gain for broader industry availability-making the 2SC536KE-NP optimal for designs requiring verified 200 MHz f_T and G-rank gain in TO-92 form factor.

Availability

2SC536KE-NP is available at Aetrix Electronics and suitable for audio pre-amplifier stages, DC-DC converter switch drivers, and industrial sensor signal conditioning requiring stable component supply and long-term manufacturing continuity.

Supply support for 2SC536KE-NP 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 (now onsemi) is a global semiconductor supplier specializing in energy-efficient power management, analog, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.

The 2SC536KE-NP belongs to ON Semiconductor's legacy NPA-WA series of general-purpose BJTs, designed for cost-sensitive, high-reliability linear and switching applications in industrial controls and consumer electronics.

FAQ

What is the maximum collector-emitter voltage rating for the 2SC536KE-NP?

The 2SC536KE-NP has a maximum collector-emitter voltage rating (V_CEO) of 50 V under open-base conditions at T_a = 25 °C. This rating remains valid up to T_j = 150 °C, but derating is required above 25 °C ambient per the device's thermal characteristics. Exceeding this voltage risks avalanche breakdown and permanent damage to the 2SC536KE-NP.

Does the 2SC536KE-NP have a specified gain rank, and how does it affect circuit design?

Yes, the 2SC536KE-NP is G-rank, meaning its DC current gain (h_FE) is guaranteed between 280 and 560 at V_CE = 6 V and I_C = 1 mA. This higher gain range improves bias stability in amplifier stages and reduces required base drive current in switching applications compared to F-rank variants like the 2SC536NF-NPA-AT-directly impacting resistor sizing and noise performance in the 2SC536KE-NP circuit implementation.

What is the typical output capacitance (C_ob) of the 2SC536KE-NP, and why does it matter?

The 2SC536KE-NP exhibits a typical output capacitance (C_ob) of 3.0 pF at V_CB = –6 V and f = 1 MHz. This low value reduces Miller multiplication in common-emitter amplifiers, preserving bandwidth and phase margin-especially critical in RF buffer and oscillator designs where parasitic capacitance directly limits the usable frequency range of the 2SC536KE-NP.

Can the 2SC536KE-NP be used in pulse applications, and what is its peak current rating?

Yes, the 2SC536KE-NP supports pulsed operation with a peak collector current (I_CP) rating of 400 mA for pulses up to 100 ms. This capability is validated within its Safe Operating Area (ASO) curve and enables use in intermittent-load drivers, relay coils, and surge-tolerant sensor interfaces-provided average power dissipation stays within the 500 mW limit and thermal design accounts for pulse duty cycle in the 2SC536KE-NP layout.

Is the 2SC536KE-NP RoHS-compliant and suitable for automated assembly?

Yes, the 2SC536KE-NP is Pb-Free and RoHS-compliant per EU Directive 2011/65/EU, packaged in the NPA-WA variant of SC-43A (TO-92). Its axial leads and standard dimensions support both manual soldering and wave soldering; moisture sensitivity level is MSL3 per J-STD-020, requiring standard floor-life handling before reflow-making it fully compatible with high-volume automated assembly for the 2SC536KE-NP.

2SC536KE-NP 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:: -

2SC536KE-NP FAQ

1.How can I place an order for 2SC536KE-NP through Aetrix?

Please submit a Request for Quotation (RFQ) for 2SC536KE-NP 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 2SC536KE-NP reliable?

The price and inventory of 2SC536KE-NP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2SC536KE-NP is usually 5 days.

3.What payment methods are accepted for 2SC536KE-NP?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2SC536KE-NP transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2SC536KE-NP?

2SC536KE-NP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2SC536KE-NP 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 2SC536KE-NP?

For technical support, including 2SC536KE-NP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2SC536KE-NP requirements.

6.How does Aetrix verify that 2SC536KE-NP is sourced from the original manufacturer or authorized distributors?

All 2SC536KE-NP 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 2SC536KE-NP meets industry standards.

7.What is the process for return or replacement of 2SC536KE-NP?

All 2SC536KE-NP units undergo pre-shipment inspection (PSI). If there is an issue with 2SC536KE-NP, 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 2SC536KE-NP part is unused and in its original packaging.

Return procedure for 2SC536KE-NP:

1.Submit a request within 90 days.

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

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