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Diodes Incorporated MMDT5401Q-7-F
- Part No.:
- MMDT5401Q-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
MMDT5401Q-7-F.pdf
- Description:
- TRANS 2PNP 150V 200MA SOT-363
- Quantity:
- Payment:
- Shipping:
Inventory:3,099
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Product details
Overview
MMDT5401Q-7-F from Diodes Incorporated is a dual PNP small-signal bipolar junction transistor in SOT363 package, rated for -150 V VCEO, -200 mA IC, and 200 mW power dissipation, optimized for automotive-grade medium-power switching and amplification in space-constrained PCBs.
For engineers reviewing the MMDT5401Q-7-F datasheet, MMDT5401Q-7-F pinout, MMDT5401Q-7-F application, or MMDT5401Q-7-F equivalent, key selection criteria include AEC-Q101 qualification, complementary pairing with MMDT5551Q, and verified hFE performance across -1 mA to -50 mA IC operating points.
Technical Context
This dual PNP transistor uses epitaxial planar die construction for stable gain and low leakage, with BVCBO = -160 V and BVCEO = -150 V enabling robust high-voltage switching in automotive subsystems. Its fT of 100–300 MHz supports RF-capable amplification up to UHF bands under pulsed conditions.
The device operates across -55°C to +150°C, features matte tin terminals solderable per MIL-STD-202, and achieves RθJA = 625°C/W on minimal FR-4 layout - critical for thermally constrained engine control and body electronics modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -150 V - Supports high-side switching in 12 V/24 V automotive systems with margin against load-dump transients. |
| IC (max) | -200 mA - Enables driving relays, LEDs, and small solenoids without external buffering. |
| hFE | 50–240 - Provides predictable DC gain across -1 mA to -50 mA collector current for stable biasing. |
| VCE(SAT) | -0.2 V @ -10 mA/-1 mA - Minimizes conduction loss in saturated-switch applications like ECU output stages. |
| fT | 100–300 MHz - Allows use in low-noise preamplifiers and RF signal conditioning up to 300 MHz. |
| Package | SOT363 - 6-pin ultra-small surface-mount footprint (2.15 × 2.10 mm) for dense automotive PCB layouts. |
Pinout & Package
SOT363 is a 6-pin, dual-transistor package with two independent PNP devices sharing no internal connection. Pin assignment is standardized: C2/E2/B2 for first transistor, C1/E1/B1 for second - confirmed by top-view marking diagram and mechanical drawing DS39993.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| C1 | Collector of Transistor 1 | High-current output node; connects to load return path in switching configurations. |
| E1 | Emitter of Transistor 1 | Common emitter reference; typically tied to supply rail in common-emitter amplifier setups. |
| B1 | Base of Transistor 1 | Current-controlled input; requires series resistor to limit base drive in digital switching. |
| C2 | Collector of Transistor 2 | Independent high-side switch node; enables dual-channel control in compact footprint. |
| E2 | Emitter of Transistor 2 | Second emitter terminal; allows separate biasing or shared rail configuration. |
| B2 | Base of Transistor 2 | Second control input; supports matched dual-gain paths for differential or redundant circuits. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive under temperature cycling, HTRB, and ESD stress - required for engine control, lighting, and ADAS modules. |
| Ultra-small SOT363 | 2.15 mm × 2.10 mm footprint saves >40% board area vs. SO-8 equivalents while maintaining thermal derating capability. |
| Complementary NPN pair (MMDT5551Q) | Enables matched push-pull or totem-pole output stages without gain or timing mismatch between PNP/NPN legs. |
| Lead-free & halogen-free | Meets RoHS 3 and "Green" standards (<900 ppm Br/Cl, <1000 ppm Sb) - compliant with EU automotive recycling mandates. |
Applications
| Engine Control Unit (ECU) Output Stage | Automotive LED Headlight Dimming |
|---|---|
Use Scenario: Driving fuel injector drivers and ignition coil interfaces in 12 V/24 V engine management systems. IC Role / Device Role / Timing Role: Dual PNP switch providing high-side current sinking with fast turn-off (toff < 100 ns typical) and low VCE(SAT). Use Value: Enables precise pulse-width modulation of inductive loads while meeting AEC-Q101 transient immunity requirements. | Use Scenario: Controlling high-brightness LED strings in adaptive front-lighting systems (AFS). IC Role / Device Role / Timing Role: Medium-power current sink for PWM dimming at 1–2 kHz, leveraging hFE stability over -40°C to +125°C. Use Value: Delivers consistent luminance across temperature with <±5% gain variation - critical for glare-free beam shaping. |
| Body Control Module (BCM) Relay Driver | Automotive CAN Bus Protection Circuit |
Use Scenario: Switching 12 V relay coils for door lock actuators, window lifters, and HVAC dampers. IC Role / Device Role / Timing Role: Saturated PNP switch with -0.2 V VCE(SAT) minimizing power loss during continuous duty cycles. Use Value: Reduces thermal rise in sealed BCM enclosures where airflow is restricted and ambient exceeds 85°C. | Use Scenario: Providing fail-safe current limiting and transient clamping in CAN FD physical layer protection networks. IC Role / Device Role / Timing Role: Fast-switching PNP element in discrete TVS-assisted current-limiting stage upstream of CAN transceiver. Use Value: Absorbs ESD pulses (IEC 61000-4-2 Level 4) without latch-up, preserving bus integrity during vehicle assembly and service. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual PNP switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMT301PFS-7 | Single PNP in SOT-363; VCEO = -20 V, IC = -3.1 A - higher current but lower voltage rating. | Not suitable for 150 V load-dump environments; limited to low-voltage body electronics only. | Select only when high-current, low-voltage switching dominates design constraints. |
| BC856B,215 | Dual PNP in SOT-363; VCEO = -65 V, IC = -100 mA - lower voltage/current ratings and non-AEC-Q101. | Lacks automotive qualification and thermal robustness for under-hood deployment. | Acceptable for cost-sensitive non-automotive consumer applications with <65 V system voltage. |
Compared with MMDT5401Q-7-F, DM301PFS-7 trades voltage headroom for current capacity, while BC856B,215 sacrifices automotive reliability and breakdown margin for lower unit cost - making MMDT5401Q-7-F the sole choice for AEC-Q101-compliant 150 V switching.
Availability
MMDT5401Q-7-F is available at Aetrix Electronics and suitable for engine control units, automotive LED lighting systems, body control modules, and CAN bus protection circuits requiring stable component supply across extended temperature ranges and automotive lifecycle demands.
Supply support for MMDT5401Q-7-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 MMDT5401Q belongs to Diodes' AEC-Q101-qualified bipolar transistor product line, engineered specifically for medium-power switching and amplification in harsh automotive environments.
FAQ
Is MMDT5401Q-7-F pin-compatible with MMDT5551Q?
No - MMDT5401Q-7-F is a dual PNP transistor, while MMDT5551Q is its complementary dual NPN counterpart. They share identical SOT363 pinout (C2/E2/B2/C1/E1/B1), enabling direct placement in push-pull or totem-pole layouts without PCB redesign.
What is the maximum operating temperature for continuous use?
The MMDT5401Q-7-F is rated for continuous operation from -55°C to +150°C junction temperature. At ambient temperatures above +85°C, derating is required per the RθJA = 625°C/W specification - e.g., max PD drops to ~120 mW at TA = +105°C on standard FR-4.
Does this part support PPAP documentation for automotive programs?
Yes - Diodes Incorporated confirms PPAP capability for MMDT5401Q-7-F per Note 4 in DS39993. Full PPAP Level 3 documentation, including dimensional reports, material certifications, and test data summaries, is available upon request for qualified automotive customers.
Can MMDT5401Q-7-F replace BC857B in existing designs?
Only with validation - BC857B is a single PNP in SOT-23 with VCEO = -45 V and IC = -100 mA. MMDT5401Q-7-F offers dual devices, higher voltage, higher current, and AEC-Q101 qualification, but requires PCB layout changes due to SOT363 vs. SOT-23 footprint mismatch.
MMDT5401Q-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 PNP (Dual)
- Current - Collector (Ic) (Max):
- 200mA
- Voltage - Collector Emitter Breakdown (Max):
- 150V
- Vce Saturation (Max) @ Ib, Ic:
- 500mV @ 5mA, 50mA
- Current - Collector Cutoff (Max):
- 50nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 60 @ 10mA, 5V
- Power - Max:
- 200mW
- Frequency - Transition:
- 300MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
MMDT5401Q-7-F FAQ
1.How can I place an order for MMDT5401Q-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for MMDT5401Q-7-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 MMDT5401Q-7-F reliable?
The price and inventory of MMDT5401Q-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMDT5401Q-7-F is usually 5 days.
3.What payment methods are accepted for MMDT5401Q-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMDT5401Q-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMDT5401Q-7-F?
MMDT5401Q-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMDT5401Q-7-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 MMDT5401Q-7-F?
For technical support, including MMDT5401Q-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMDT5401Q-7-F requirements.
6.How does Aetrix verify that MMDT5401Q-7-F is sourced from the original manufacturer or authorized distributors?
All MMDT5401Q-7-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 MMDT5401Q-7-F meets industry standards.
7.What is the process for return or replacement of MMDT5401Q-7-F?
All MMDT5401Q-7-F units undergo pre-shipment inspection (PSI). If there is an issue with MMDT5401Q-7-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 MMDT5401Q-7-F part is unused and in its original packaging.
Return procedure for MMDT5401Q-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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