onsemi MMBT2369LT1
- Part No.:
- MMBT2369LT1
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBT2369LT1.pdf
- Description:
- TRANS NPN 15V 0.2A SOT23-3
- Quantity:
- Payment:

- Shipping:

Inventory:41,736
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Product details
Overview
MMBT2369LT1 from onsemi is an NPN silicon switching transistor in SOT-23 package, rated for 15 VCEO, 200 mA continuous collector current, and 225 mW dissipation on FR-5 board, optimized for high-speed digital switching in low-voltage logic interface and signal routing applications.
For engineers reviewing the MMBT2369LT1 datasheet, pinout, applications, or equivalent options, key selection criteria include VCE(sat) ≤ 0.25 V at IC/IB = 10/1 mA, ton/toff ≤ 12/18 ns, and AEC-Q101 qualification for automotive-grade reliability assurance.
Technical Context
This device operates as a general-purpose NPN bipolar junction transistor with fixed-emitter configuration, designed for saturated switching rather than linear amplification. Its electrical behavior is defined by hFE ≥ 40 at IC = 10 mA, VCE = 1.0 V, and VBE(sat) ≤ 0.85 V under same conditions.
Thermal performance is specified for two PCB substrates: FR-5 (RJA = 556 °C/W) and alumina (RJA = 417 °C/W), with derating slopes of 1.8 mW/°C and 2.4 mW/°C respectively above 25 °C ambient. Junction temperature range spans −55 to +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 15 V - Maximum safe collector-emitter voltage before breakdown under open-base condition; defines upper rail limit in 3.3 V/5 V logic-level switching. |
| IC (continuous) | 200 mA - Continuous DC collector current handling capacity; supports driving small relays, LEDs, or gate inputs without forced cooling. |
| VCE(sat) | 0.25 V max at IC/IB = 10/1 mA - Low saturation voltage minimizes power loss and heat generation during ON-state operation. |
| ton/toff | 8–12 ns / 10–18 ns - Fast switching times enable use in >10 MHz digital signal routing and pulse-width modulation circuits. |
| Cobo | 4.0 pF max at VCB = 5 V - Low output capacitance preserves signal edge integrity and reduces crosstalk in high-frequency switching nodes. |
| TJ range | −55 to +150 °C - Extended thermal operating envelope supports under-hood automotive and industrial control environments. |
Pinout & Package
SOT-23 (TO-236) surface-mount plastic package, 2.90 × 1.30 × 1.00 mm body size, 1.90 mm lead pitch, Pb-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input node requiring ~1 mA drive to saturate 10 mA collector load; polarity-sensitive for NPN turn-on. |
| 2 | Emitter | Common reference terminal tied to ground or low-side return path; establishes current sink path for switched loads. |
| 3 | Collector | Output terminal connected to load and supply rail; carries full switched current with minimal voltage drop in saturation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including HTOL, TC, and ESD; supports PPAP documentation. |
| Pb-free, Halogen-free/BFR-free | Complies with RoHS Directive 2011/65/EU and JEDEC J-STD-609; enables environmentally compliant manufacturing and end-of-life processing. |
| Low VCE(sat) at high IC/IB | 0.50 V max at IC/IB = 100/10 mA - Maintains efficiency even under heavy loading, reducing thermal design margin requirements. |
| High fT capability | hfe = 5.0 at f = 100 MHz - Supports RF pre-driver and broadband switching up to UHF frequencies with stable gain. |
Applications
| Automotive Door Module Control | Industrial PLC Input Isolation |
|---|---|
Use Scenario: Switching 12 V solenoid locks and position sensors in vehicle door modules under vibration and temperature cycling. IC Role / Device Role / Timing Role: NPN switch providing galvanic isolation between microcontroller GPIO and 12 V load, with fast turn-off to prevent latch-up during ESD events. Use Value: AEC-Q101 qualification ensures reliability across −40 to +105 °C ambient; 15 V VCEO safely handles automotive load-dump transients up to 14.5 V nominal. |
Use Scenario: Level-shifting and buffering 24 V DC sensor signals into 3.3 V FPGA I/O banks in programmable logic controllers. IC Role / Device Role / Timing Role: Discrete level translator and current amplifier enabling noise-immune signal conditioning with <12 ns propagation delay. Use Value: 4.0 pF Cobo minimizes capacitive coupling between field wiring and logic side; 200 mA IC supports multiple parallel sensor inputs. |
| USB-C Power Path Management | Medical Infusion Pump Motor Driver |
Use Scenario: Enabling/disabling VBUS power delivery paths in USB-C port controllers based on CC logic detection. IC Role / Device Role / Timing Role: Low-side switch controlling 5 V power rail with sub-10 ns turn-on to meet USB PD specification timing windows. Use Value: 0.25 V VCE(sat) limits conduction loss to <2.5 mW at 10 mA, preserving efficiency in battery-powered portable hubs. |
Use Scenario: Driving stepper motor phase enable lines in Class II medical infusion pumps requiring fail-safe shutdown. IC Role / Device Role / Timing Role: Safety-critical ON/OFF actuator interfacing between isolated MCU and motor driver IC, with guaranteed turn-off within 18 ns. Use Value: −55 to +150 °C TJ range accommodates sterilization cycles and long-term operation inside sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN switching transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC846B,215 | Higher VCEO (65 V), lower IC (100 mA), hFE min 200 - better for higher-voltage but lower-current switching. | Not AEC-Q101 qualified; unsuitable for automotive safety-critical modules without additional qualification. | Select when higher voltage margin is needed and automotive compliance is not required. |
| PN2222A-AP | TO-92 package, VCEO = 40 V, IC = 800 mA - larger footprint, higher current, but slower switching (toff ≈ 250 ns). | Through-hole mounting only; incompatible with automated SMT assembly and space-constrained PCBs. | Choose for prototyping or legacy through-hole designs where thermal mass and manual repairability are prioritized. |
Compared with BC846B,215 and PN2222A-AP, the MMBT2369LT1 delivers optimal balance of automotive qualification, SOT-23 compactness, sub-20 ns switching, and 200 mA drive capability-making it preferred for space- and reliability-constrained embedded control nodes.
Availability
MMBT2369LT1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, USB-C power management, and medical device motor control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MMBT2369LT1 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 specializing in energy-efficient power management, analog, sensing, and connectivity solutions for automotive, industrial, and cloud infrastructure markets.
The MMBT2369LT1 belongs to onsemi's general-purpose bipolar transistor product line, engineered for high-reliability discrete switching in safety-critical and thermally demanding embedded systems.
FAQ
What is the maximum operating temperature for the MMBT2369LT1?
The MMBT2369LT1 has a specified junction and storage temperature range of −55 to +150 °C. This allows reliable operation in under-hood automotive environments and sterilizable medical enclosures. Derating begins above 25 °C ambient, with thermal resistance of 556 °C/W on FR-5 board. The MMBT2369LT1 must be thermally modeled using its actual power dissipation and PCB layout to ensure TJ remains within limits.
Is the MMBT2369LT1 pin-compatible with other SOT-23 NPN transistors like the MMBT3904?
No, the MMBT2369LT1 uses Style 6 pinout (Pin 1 = Base, Pin 2 = Emitter, Pin 3 = Collector), whereas the MMBT3904 follows Style 1 (Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector). Swapping them without PCB revision will invert circuit functionality. The MMBT2369LT1 pinout is confirmed in onsemi's mechanical drawing 98ASB42226B, Issue AU, page 2.
Does the MMBT2369LT1 support 5 V logic-level drive directly from an MCU GPIO?
Yes - the MMBT2369LT1 achieves full saturation with IB = 1.0 mA at IC = 10 mA, corresponding to VBE(sat) ≤ 0.85 V. A typical 5 V MCU GPIO can source >2 mA through a 3.3 kΩ base resistor, ensuring robust turn-on across temperature and process variation. The MMBT2369LT1 does not require level-shifting circuitry for standard 5 V logic interfaces.
What packaging options are available for the MMBT2369LT1?
The MMBT2369LT1 is supplied in Pb-free SOT-23 tape-and-reel packaging: 3,000 units per reel (order code MMBT2369LT1G) and 10,000 units per reel (MMBT2369LT3G). Both variants carry the "G" suffix denoting RoHS-compliant, halogen-free construction. No tray or tube options are offered for this part number.
How does the MMBT2369LT1 differ from the MMBT2369ALT1G variant?
The MMBT2369ALT1G features tighter hFE distribution (min 40 at IC = 10 mA, VCE = 0.35 V) and lower VCE(sat) (0.20 V typ at same bias), while sharing identical VCEO, IC, and package. The MMBT2369LT1 is the standard-gain version; the "A" suffix denotes enhanced gain/saturation performance. Both are AEC-Q101 qualified and pinout-identical.
MMBT2369LT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Bulk
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 200 mA
- Voltage - Collector Emitter Breakdown (Max):
- 15 V
- Vce Saturation (Max) @ Ib, Ic:
- 250mV @ 1mA, 10mA
- Current - Collector Cutoff (Max):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 40 @ 10mA, 350mV
- Power - Max:
- 225 mW
- Frequency - Transition:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3 (TO-236)
MMBT2369LT1 FAQ
1.How can I place an order for MMBT2369LT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBT2369LT1 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 MMBT2369LT1 reliable?
The price and inventory of MMBT2369LT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBT2369LT1 is usually 5 days.
3.What payment methods are accepted for MMBT2369LT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBT2369LT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBT2369LT1?
MMBT2369LT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBT2369LT1 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 MMBT2369LT1?
For technical support, including MMBT2369LT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBT2369LT1 requirements.
6.How does Aetrix verify that MMBT2369LT1 is sourced from the original manufacturer or authorized distributors?
All MMBT2369LT1 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 MMBT2369LT1 meets industry standards.
7.What is the process for return or replacement of MMBT2369LT1?
All MMBT2369LT1 units undergo pre-shipment inspection (PSI). If there is an issue with MMBT2369LT1, 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 MMBT2369LT1 part is unused and in its original packaging.
Return procedure for MMBT2369LT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBT2369LT1 Tags

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