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

Microchip Technology 2N2369A

Name: 2N2369A
Brand: Microchip Technology
SKU: 2N2369A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2N2369A

Manufacturer:: Microchip Technology

Category:: Single Bipolar Transistors

Package:: TO-206AA, TO-18-3 Metal Can

Datasheet:: 2N2369A.pdf

Description:: TRANS NPN 15V TO18

Quantity:: RFQ Add To RFQ list

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Product details

Overview

2N2369A from STMicroelectronics is a silicon planar epitaxial NPN bipolar junction transistor in TO-18 metal can package, designed specifically for high-speed saturated switching at 100 µA–100 mA. It delivers V_CEO = 15 V, V_CE(sat) = 0.14 V (IC = 10 mA, IB = 1 mA), h_FE = 40–120, f_T = 500–675 MHz, and t_s = 6–13 ns - enabling fast logic-level interfacing in pulse generator and digital buffer circuits.

For engineers reviewing the 2N2369A datasheet, 2N2369A pinout, 2N2369A application, or 2N2369A equivalent, key selection criteria include saturation voltage at low drive current, storage time under pulsed conditions, thermal resistance (R_{th j-case} = 146 °C/W), DC gain linearity across temperature (–55 °C to 125 °C), and TO-18 mechanical compatibility with legacy socketed designs.

Technical Context

This NPN transistor operates in saturated switch mode with fixed base-drive control, where low V_CE(sat) and minimal storage time (t_s) are prioritized over linear amplification. Its f_T > 500 MHz and C_CBO = 2.3–4 pF support sub-20 ns turn-on/turn-off transitions under defined load and bias conditions.

The device uses a planar epitaxial structure with metal-can TO-18 packaging for stable thermal performance and EMI shielding. Absolute maximum ratings include V_CEO = 15 V, I_C = 200 mA DC, and T_j up to 200 °C - confirming suitability for intermittent high-current pulse operation in industrial timing circuits.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	15 V - Maximum safe collector-emitter voltage with base open; defines upper rail limit in TTL-compatible switch stages.
V_CE(sat)	0.14 V @ IC = 10 mA, IB = 1 mA - Enables <0.15 V drop across switch, minimizing power loss and self-heating during conduction.
h_FE	40–120 @ IC = 10–100 mA - Provides predictable base drive scaling for reliable saturation across operating current range.
f_T	500–675 MHz - Supports high-frequency switching up to ~100 MHz with controlled edge rates in pulse shaping networks.
t_s	6–13 ns - Limits delay between drive removal and collector current decay; critical for synchronous clock distribution and latch timing.
R_{th j-case}	146 °C/W - Allows direct heatsinking via case mounting; enables 0.36 W continuous dissipation at T_case ≤ 25 °C.

Pinout & Package

TO-18 metal can package with hermetically sealed construction, 3-terminal configuration, and case acting as collector terminal. Dimensions per JEDEC TO-18 standard: D = 5.3 mm, E = 4.9 mm, F = 5.8 mm, A = 12.7 mm overall height.

Pin/Terminal	Circuit Role	Design Meaning
Case (Metal Can)	Collector	Electrically connected to collector; provides thermal path and EMI shielding; requires insulated mounting if not referenced to system ground.
Lead 1 (Shorter)	Emitter	Primary current sink node; tied to reference potential in common-emitter switch topology; low-inductance connection critical for fast turn-off.
Lead 2 (Longer)	Base	Control input; driven with current-limited source (e.g., resistor from TTL output); base-emitter junction must remain forward-biased during on-state.

Key Features

Feature	Design Value
High-speed saturation switching	Guaranteed t_s ≤ 13 ns and t_off ≤ 18 ns enable use in >5 MHz digital pulse trains without waveform distortion.
Low V_CE(sat) at low drive	0.14 V at only 1 mA base current supports direct interface with 74LS/74ALS logic families without additional driver stages.
Wide temperature operation	Specified h_FE and V_CE(sat) performance maintained from –55 °C to +125 °C, supporting military and automotive under-hood applications.
Hermetic TO-18 packaging	Provides long-term reliability in humid or corrosive environments and ensures stable electrical parameters over 20+ year service life.

Applications

Digital Pulse Generator

TTL-to-Discrete Logic Interface

Use Scenario: Generating clean 10–50 ns rise-time pulses for test equipment trigger inputs and sampling gate control.

IC Role / Device Role / Timing Role: Saturated switch controlling current through pulse transformer primary or coaxial cable termination.

Use Value: Sub-15 ns storage time and 0.14 V saturation voltage preserve pulse amplitude and edge fidelity at repetition rates up to 10 MHz.

Use Scenario: Level-shifting and current-boosting outputs of 74LS00 NAND gates to drive higher-capacitance loads like relays or LED arrays.

IC Role / Device Role / Timing Role: Discrete NPN switch replacing integrated drivers where layout isolation or thermal margin is required.

Use Value: Direct compatibility with LS-TTL logic levels and guaranteed h_FE ≥ 40 ensure robust turn-on even at cold temperature extremes.

Industrial Timer Circuit

Legacy Equipment Repair

Use Scenario: Precision monostable multivibrator stage in programmable logic controllers requiring repeatable 1–100 µs output pulses.

IC Role / Device Role / Timing Role: Fast-switching element in emitter-coupled timing loop with RC feedback network.

Use Value: Stable f_T and low C_CBO minimize timing drift across supply voltage and temperature variations.

Use Scenario: Drop-in replacement for obsolete 2N2369-series transistors in vintage test instruments and aerospace avionics spares.

IC Role / Device Role / Timing Role: Pin-identical, electrically equivalent substitute maintaining original board layout and thermal profile.

Use Value: Identical TO-18 footprint, mechanical dimensions, and absolute maximum ratings ensure zero rework during field repair.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed saturated switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
2N2222A	V_CEO = 40 V, V_CE(sat) = 0.3 V @ IC = 10 mA - higher saturation voltage, lower f_T (250 MHz).	Less suitable for <20 ns timing-critical paths; better for general-purpose switching with higher voltage margin.	Select when V_CEO > 15 V is required and speed penalty is acceptable.
MPS2222A	Same TO-18 package, but h_FE min = 100 @ IC = 10 mA - tighter DC gain distribution, slightly higher C_CBO (6 pF).	Better for gain-sensitive bias networks; reduced storage time variability improves repeatability in production test fixtures.	Select when consistent h_FE and lower parametric spread are prioritized over absolute minimum t_s.

Compared with 2N2222A and MPS2222A, the 2N2369A offers the lowest V_CE(sat) and shortest storage time - making it optimal for high-repetition-rate saturated switching where power efficiency and edge timing precision are critical.

Availability

2N2369A is available at Aetrix Electronics and suitable for digital pulse generation, TTL interface buffering, industrial timer circuits, and legacy equipment repair requiring stable component supply and long-term obsolescence management.

Supply support for 2N2369A 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, delivering discrete, analog, and microcontroller solutions for industrial, automotive, and consumer markets.

The 2N2369A belongs to ST's legacy high-speed bipolar transistor product line, engineered for reliability-critical switching in instrumentation, telecom infrastructure, and defense electronics where hermetic packaging and proven parametric stability are mandatory.

FAQ

Is the 2N2369A RoHS compliant?

No - the 2N2369A was manufactured prior to RoHS Directive implementation and contains lead in the solder seal and internal metallization. It is exempt under Annex III for legacy repair and spare parts applications per EU Directive 2011/65/EU.

Can the 2N2369A be used in linear amplifier configurations?

It is not recommended. The device is characterized and optimized for saturated switching - its h_FE variation, V_CE(sat) focus, and lack of small-signal linearity specs indicate it is unsuited for analog amplification or Class-A/B operation.

What is the maximum allowable base current for continuous operation?

The absolute maximum base current is not explicitly rated, but I_B must be limited to maintain I_C ≤ 200 mA and junction temperature ≤ 200 °C. At V_CE = 0.35 V and I_C = 100 mA, typical h_FE = 30, so I_B ≈ 3.3 mA is sufficient for saturation - higher values increase power dissipation unnecessarily.

Does the TO-18 case require electrical isolation from the PCB ground plane?

Yes - the metal case is internally connected to the collector terminal. If the collector is not at system ground potential, the case must be insulated using non-conductive washers or mounting hardware to prevent short circuits and ensure signal integrity.

2N2369A Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: TO-206AA, TO-18-3 Metal Can

Packaging:: Bulk

Product Status:: Active

Transistor Type:: NPN

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

Voltage - Collector Emitter Breakdown (Max):: 15 V

Vce Saturation (Max) @ Ib, Ic:: 450mV @ 10mA, 100mA

Current - Collector Cutoff (Max):: 400nA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 20 @ 100mA, 1V

Power - Max:: 360 mW

Frequency - Transition:: -

Operating Temperature:: -65°C ~ 200°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: TO-18 (TO-206AA)

2N2369A FAQ

1.How can I place an order for 2N2369A through Aetrix?

Please submit a Request for Quotation (RFQ) for 2N2369A 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 2N2369A reliable?

The price and inventory of 2N2369A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2N2369A is usually 5 days.

3.What payment methods are accepted for 2N2369A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2N2369A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2N2369A?

2N2369A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2N2369A 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 2N2369A?

For technical support, including 2N2369A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2N2369A requirements.

6.How does Aetrix verify that 2N2369A is sourced from the original manufacturer or authorized distributors?

All 2N2369A 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 2N2369A meets industry standards.

7.What is the process for return or replacement of 2N2369A?

All 2N2369A units undergo pre-shipment inspection (PSI). If there is an issue with 2N2369A, 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 2N2369A part is unused and in its original packaging.

Return procedure for 2N2369A:

1.Submit a request within 90 days.

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

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