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Diodes Incorporated MMBT4401Q-13-F
- Part No.:
- MMBT4401Q-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBT4401Q-13-F.pdf
- Description:
- TRANS NPN 40V 0.6A SOT-23-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,529
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Product details
Overview
MMBT4401Q-13-F from Diodes Incorporated is an AEC-Q101 qualified 40V NPN small-signal transistor in SOT23 package, rated for 600 mA continuous collector current, 310 mW power dissipation, and 250 MHz gain-bandwidth product, used for medium-power amplification and switching in automotive control modules, sensor interface circuits, and LED drivers.
For engineers reviewing the MMBT4401Q-13-F datasheet, MMBT4401Q-13-F pinout, MMBT4401Q-13-F application, or MMBT4401Q-13-F equivalent, key selection criteria include VCEO = 40 V, hFE = 40–300 (IC = 10 mA to 500 mA), VCE(sat) ≤ 0.75 V at IC = 500 mA/IB = 50 mA, and automotive-grade qualification with PPAP capability.
Technical Context
This NPN bipolar junction transistor uses epitaxial planar die construction for stable DC current gain across temperature (−55°C to +150°C) and supports fast switching with td ≤ 15 ns, tr ≤ 20 ns, ts ≤ 225 ns, and tf ≤ 30 ns under VCC = 30 V, IC = 150 mA conditions.
It delivers hfe = 40–500 at f = 1 kHz and VCE = 10 V, with Ccb = 6.5 pF and Ceb = 30 pF at specified bias points, enabling use in RF amplifier stages up to 250 MHz and linear switching applications requiring low saturation voltage and controlled thermal resistance (RθJA = 403°C/W on minimum pad layout).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 40 V - Maximum safe collector-emitter voltage before breakdown; defines upper rail limit in switching designs. |
| IC (continuous) | 600 mA - Continuous collector current rating; supports medium-power load switching without derating at 25°C. |
| hFE range | 40–300 - DC current gain span across 100 µA–500 mA; enables predictable biasing in amplifier and switch configurations. |
| VCE(sat) | ≤0.75 V @ IC = 500 mA/IB = 50 mA - Low saturation voltage minimizes conduction loss in high-current digital switches. |
| fT | 250 MHz - Gain-bandwidth product; validates suitability for RF preamplifier and high-speed signal conditioning stages. |
| RθJA | 403 °C/W - Junction-to-ambient thermal resistance on minimal FR4 pad; informs PCB copper area requirements for thermal management. |
| ESD HBM | 4,000 V - Human Body Model robustness; reduces need for external ESD protection in board-level integration. |
Pinout & Package
Package: SOT23 - Surface-mount plastic package (2.9 mm × 1.3 mm × 1.0 mm), UL 94V-0 rated, matte tin-plated leads, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Emitting terminal for majority carriers | Connected to ground or low-side return path; determines current sink capability and thermal path to PCB. |
| 2 (Base) | Control electrode for carrier injection | Receives drive current (max 200 mA peak); requires series resistor to limit IB and ensure hFE-based saturation. |
| 3 (Collector) | Current collection terminal | Connected to load or supply rail; handles up to 600 mA continuous; primary heat-generating node. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS sensor interfaces. |
| Complementary PNP pairing | Direct match with MMBT4403 for push-pull output stages and differential amplifiers without gain mismatch. |
| Green compound packaging | Halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb); compliant with automotive environmental directives. |
| Low VCE(sat) at high current | 0.40 V @ IC = 150 mA/IB = 15 mA - Enables efficient 3.3 V/5 V logic-driven switching with minimal voltage drop. |
| High fT and hfe | 250 MHz fT with hfe ≥ 40 at 500 mA - Supports broadband amplification and fast edge-rate digital switching. |
Applications
| Automotive Door Module Control | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Driving window lift motor relays and mirror position actuators in door control units. IC Role / Device Role / Timing Role: NPN switch controlling 12 V inductive loads with flyback diode integration. Use Value: VCEO = 40 V withstands load dump transients; 600 mA rating supports dual-actuator sequencing without parallel devices. |
Use Scenario: Amplifying low-level analog outputs from pressure and temperature sensors in PLC I/O modules. IC Role / Device Role / Timing Role: DC-coupled common-emitter amplifier stage with fixed bias network. Use Value: hFE stability over −40°C to +125°C ensures consistent gain across industrial ambient ranges. |
| LED Backlight Driver | USB Port Power Switch |
Use Scenario: Constant-current switching for multi-segment LCD backlight strings in infotainment displays. IC Role / Device Role / Timing Role: Linear current regulator with emitter-follower configuration and feedback resistor. Use Value: VBE(sat) = 0.75–0.95 V enables precise current setpoint accuracy using standard 1% resistors. |
Use Scenario: Enabling/disabling 5 V USB VBUS to peripheral ports in docking stations and hub controllers. IC Role / Device Role / Timing Role: High-side switch controlled via microcontroller GPIO with base resistor. Use Value: ts = 225 ns and tf = 30 ns support clean hot-plug transitions meeting USB 2.0 timing margins. |
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 |
|---|---|---|---|
| MMBT4401LT1G (ON Semiconductor) | Same VCEO = 40 V, IC = 600 mA, but hFE min = 100 @ IC = 10 mA; no AEC-Q101 certification. | Qualified for commercial/industrial use only; unsuitable for PPAP-submission automotive programs. | Select when AEC-Q101 is not required and higher minimum hFE improves bias margin at low currents. |
| BC847BW (Nexperia) | VCEO = 45 V, IC = 100 mA, hFE = 200–450; smaller 300 mW power rating; AEC-Q101 qualified. | Limited to low-power switching (e.g., logic-level translation); cannot replace MMBT4401Q in 500 mA load paths. | Choose for space-constrained designs needing tighter hFE tolerance and lower capacitance (Cob = 4.5 pF), but verify current headroom. |
Compared with MMBT4401LT1G and BC847BW, the MMBT4401Q-13-F uniquely combines AEC-Q101 compliance, 600 mA current handling, and 250 MHz fT, making it the only option among the three qualified for automotive medium-power switching where both reliability and bandwidth matter.
Availability
MMBT4401Q-13-F is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor signal chains, and LED backlight drivers requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for MMBT4401Q-13-F 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and computing markets.
The MMBT4401Q belongs to Diodes' AEC-Q101-qualified small-signal transistor family, engineered specifically for automotive subsystems demanding robust parametric consistency, thermal resilience, and PPAP-ready documentation.
FAQ
What is the maximum operating temperature for MMBT4401Q-13-F?
The MMBT4401Q-13-F has an operating junction temperature range of −55°C to +150°C, verified per AEC-Q101 stress testing. Its thermal resistance RθJA = 403°C/W (on minimum pad layout) means that at 310 mW dissipation and 25°C ambient, junction temperature reaches ~155°C-so derating is required above 85°C ambient to stay within limits.
Is MMBT4401Q-13-F pin-compatible with standard SOT23 NPN transistors like 2N4401?
Yes-MMBT4401Q-13-F uses standard SOT23 pinout (Emitter-Base-Collector on pins 1-2-3), matching legacy 2N4401 and MMBT4401 variants. However, it adds AEC-Q101 qualification, tighter hFE binning, and automotive-grade process controls not present in commercial-grade equivalents.
Does MMBT4401Q-13-F require external ESD protection in automotive PCB layouts?
No-MMBT4401Q-13-F has JEDEC Class 3A HBM ESD rating of 4,000 V, sufficient for most automotive board-level handling and operation. External protection is unnecessary unless exposed to >8 kV contact discharge per ISO 10605, which is rare outside direct connector interfaces.
How does the MMBT4401Q differ from the non-Q version MMBT4401?
The "Q" suffix denotes AEC-Q101 qualification, PPAP capability, and manufacturing in IATF 16949-certified facilities. Electrically identical, the Q version undergoes additional stress testing (HTOL, TC, UHAST), lot traceability, and change control-making it mandatory for Tier 1 automotive designs but overqualified for consumer applications.
MMBT4401Q-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 600 mA
- Voltage - Collector Emitter Breakdown (Max):
- 40 V
- Vce Saturation (Max) @ Ib, Ic:
- 750mV @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 150mA, 1V
- Power - Max:
- 310 mW
- Frequency - Transition:
- 250MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
MMBT4401Q-13-F FAQ
1.How can I place an order for MMBT4401Q-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBT4401Q-13-F 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 MMBT4401Q-13-F reliable?
The price and inventory of MMBT4401Q-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBT4401Q-13-F is usually 5 days.
3.What payment methods are accepted for MMBT4401Q-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBT4401Q-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBT4401Q-13-F?
MMBT4401Q-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBT4401Q-13-F 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 MMBT4401Q-13-F?
For technical support, including MMBT4401Q-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBT4401Q-13-F requirements.
6.How does Aetrix verify that MMBT4401Q-13-F is sourced from the original manufacturer or authorized distributors?
All MMBT4401Q-13-F 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 MMBT4401Q-13-F meets industry standards.
7.What is the process for return or replacement of MMBT4401Q-13-F?
All MMBT4401Q-13-F units undergo pre-shipment inspection (PSI). If there is an issue with MMBT4401Q-13-F, 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 MMBT4401Q-13-F part is unused and in its original packaging.
Return procedure for MMBT4401Q-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBT4401Q-13-F Tags
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