Diodes Incorporated DCX124EUQ-13-F
- Part No.:
- DCX124EUQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
DCX124EUQ-13-F.pdf
- Description:
- PREBIAS TRANSISTOR SOT363 T&R 10
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
DCX124EUQ-13-F from Diodes Incorporated is a complementary pre-biased NPN+PNP transistor pair in SOT363, featuring integrated 22 kΩ base resistors (R1 = R2 = 22 kΩ), 50 V VO, ±30 mA continuous output current per section, and AEC-Q101 qualification for automotive use in signal switching and level translation circuits.
For engineers reviewing the DCX124EUQ-13-F datasheet, DCX124EUQ-13-F pinout, DCX124EUQ-13-F application, or DCX124EUQ-13-F equivalent, key selection criteria include input threshold voltage (VI(on) = 1.9–3.0 V / −1.9–−3.0 V), on-state output voltage (VO(on) ≤ 0.3 V / −0.3 V), DC current gain (GI = 56–60), and thermal resistance (RθJA = 625 °C/W) under FR-4 mounting.
Technical Context
This device integrates matched NPN and PNP transistors with monolithically embedded bias resistors-R1 and R2 each nominally 22 kΩ-enabling single-pin control of both sections without external base drive components. It operates across ±50 V supply rails with symmetrical input thresholds and saturation behavior.
The dual-transistor topology supports push-pull, inverter, and complementary switching functions in compact space-constrained designs. Its AEC-Q101 qualification, IATF 16949 manufacturing, and PPAP capability confirm suitability for automotive body electronics, LED drivers, and sensor interface modules requiring change-controlled supply chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VO Rating | ±50 V - Maximum supply voltage for safe operation of both NPN and PNP sections. |
| IO (Continuous) | ±30 mA - Output current capability per transistor section at DC, defining load-driving capacity in logic-level interfaces. |
| VI(on) | 1.9–3.0 V (NPN), −1.9–−3.0 V (PNP) - Input voltage range enabling reliable turn-on with standard 3.3 V/5 V microcontroller GPIOs. |
| VO(on) | ≤ 0.3 V (NPN), ≥ −0.3 V (PNP) - Low saturation voltage ensures minimal power loss and high efficiency in switching applications. |
| GI (DC Current Gain) | 56–60 - Confirmed current amplification ratio at VO = ±5 V, IO = ±5 mA, supporting predictable biasing in digital gate designs. |
| R1/R2 | 22 kΩ ±30% - Integrated base resistors eliminate discrete bias components and reduce PCB footprint in level-shifting circuits. |
| PD (Total) | 200 mW - Maximum power dissipation at TA = +25°C on FR-4 board, limiting thermal design margin for sustained operation. |
| RθJA | 625 °C/W - Junction-to-ambient thermal resistance defines temperature rise per watt, critical for derating above 25°C ambient. |
Pinout & Package
Package: SOT363 - 6-pin surface-mount plastic package (2.15 mm × 2.10 mm × 0.95 mm), lead-free, RoHS-compliant, moisture sensitivity level 1, matte tin-plated terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NPN Emitter (EQ1) | Common emitter node for NPN section; connects to ground or low-side reference in switch configurations. |
| 2 | NPN Base (BQ1) | Input terminal for NPN section; internally connected to R1 and R2 junction point. |
| 3 | NPN Collector (CQ1) | Output terminal for NPN section; delivers switched current to load when driven high at Pin 2. |
| 4 | PNP Collector (CQ2) | Output terminal for PNP section; sources current to load when Pin 5 is pulled low. |
| 5 | PNP Base (BQ2) | Input terminal for PNP section; shares internal resistor network with Pin 2 for complementary control. |
| 6 | PNP Emitter (EQ2) | Common emitter node for PNP section; connects to VCC or high-side rail in push-pull topologies. |
Key Features
| Feature | Design Value |
|---|---|
| Complementary NPN+PNP Pair | Single SOT363 package integrates matched transistors with shared bias network, enabling true push-pull or inverter operation without layout matching. |
| Integrated Bias Resistors | R1 = R2 = 22 kΩ ±30% eliminates external base resistors, reducing component count and improving production yield in high-volume automotive modules. |
| AEC-Q101 Qualified | Validated for automotive applications including body control units and lighting systems, with PPAP documentation support and IATF 16949 manufacturing traceability. |
| Green, Halogen-Free Construction | UL 94V-0 rated molding compound with <900 ppm Br, <900 ppm Cl, <1000 ppm Sb meets global environmental compliance requirements for Tier 1 automotive suppliers. |
| SOT363 Surface-Mount Format | 0.65 mm pitch, 6-pin footprint enables automated placement and reflow soldering, supporting high-density PCB layouts in space-constrained ECUs. |
Applications
| Automotive LED Tail Light Driver | Industrial PLC Digital Output Module |
|---|---|
|
Use Scenario: Driving dual-color (red/amber) LED arrays in vehicle rear lamps using MCU GPIOs with 3.3 V logic levels. IC Role / Device Role / Timing Role: Complementary switch providing active-high (NPN) and active-low (PNP) outputs to control separate LED strings without external level shifters. Use Value: VI(on) range (1.9–3.0 V) ensures full turn-on from 3.3 V MCU pins; VO(on) ≤ 0.3 V minimizes forward voltage drop and thermal stress on LEDs. |
Use Scenario: Isolating and amplifying 24 V DC digital output signals from programmable logic controllers to field actuators. IC Role / Device Role / Timing Role: Level translator and current buffer converting 5 V logic signals into robust ±24 V capable outputs with fast edge response. Use Value: ±50 V VO rating accommodates industrial supply transients; ±30 mA IO supports direct drive of small solenoids and relays. |
| USB-C Port Power Switch Control | Smart Home Sensor Interface Circuit |
|
Use Scenario: Enabling/disabling VBUS and CC line pull-up/down in USB-C receptacle designs with host microcontroller supervision. IC Role / Device Role / Timing Role: Dual-channel logic-controlled switch managing bidirectional power and communication path selection in Type-C port controllers. Use Value: Matched NPN/PNP characteristics ensure symmetrical timing during hot-swap transitions; SOT363 footprint fits tight USB-C connector spacing. |
Use Scenario: Interfacing analog sensors (e.g., thermistors, photoresistors) to 3.3 V ADC inputs while rejecting EMI in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Low-leakage signal switch isolating sensor bias networks during sleep mode to extend battery life. Use Value: IO(off) ≤ 0.5 μA prevents parasitic current paths; ±50 V breakdown withstands electrostatic discharge events up to IEC 61000-4-2 Level 4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar complementary pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ACX124EUQ-13-F | Direct replacement per Diodes' NRND notice; identical R1/R2 values (22 kΩ), same SOT363 package and AEC-Q101 qualification. | Same functional role in automotive and industrial switching; no circuit redesign required. | Select ACX124EUQ-13-F for new designs to ensure long-term availability and avoid obsolescence risk. |
| DCX124EU-13-F | Same electrical specs and pinout, but lacks AEC-Q101 qualification and PPAP support; not manufactured in IATF 16949 facilities. | Suitable for commercial-grade applications where automotive reliability and change control are not mandated. | Choose DCX124EU-13-F only for cost-sensitive non-automotive designs with relaxed qualification requirements. |
Compared with DCX124EUQ-13-F, ACX124EUQ-13-F offers identical performance and automotive compliance with assured supply continuity, while DCX124EU-13-F provides equivalent electrical behavior at lower qualification assurance-making the former optimal for new automotive programs and the latter viable for legacy or commercial reuse.
Availability
DCX124EUQ-13-F is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, USB-C power management, and smart home sensor interfaces requiring stable component supply across extended product lifecycles.
Supply support for DCX124EUQ-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 consumer markets with over 50 years of power management expertise.
The DCX series targets space-constrained, high-volume applications requiring integrated biasing-designed specifically for automotive body electronics and industrial control modules needing AEC-Q101 compliance and simplified bill-of-materials.
FAQ
Is DCX124EUQ-13-F still recommended for new designs?
No-Diodes explicitly marks DCX124EUQ-13-F as "NRND (Not Recommended for New Design)" in its ordering information, directing users to migrate to ACX124EUQ-13-F. This reflects end-of-life planning, not functional obsolescence; ACX124EUQ-13-F maintains identical electrical specs, pinout, and AEC-Q101 qualification.
What is the maximum operating temperature for DCX124EUQ-13-F?
The device supports an operating junction temperature range of −55°C to +150°C. At ambient temperatures above +25°C, power dissipation must be derated linearly per the 625 °C/W thermal resistance curve-e.g., at +85°C ambient, maximum allowable power drops to 120 mW to maintain TJ ≤ 150°C.
Can DCX124EUQ-13-F replace discrete transistor + resistor combinations?
Yes-its integrated 22 kΩ R1/R2 network replaces two external base resistors and two discrete transistors, reducing PCB area by ~40% and eliminating resistor tolerance stacking errors. Verified layout compatibility with standard SOT363 footprints ensures drop-in replacement in existing designs meeting voltage/current requirements.
Does DCX124EUQ-13-F support bidirectional signal switching?
No-it is configured as a unidirectional complementary switch: NPN section sinks current (low-side), PNP section sources current (high-side). For true bidirectional analog switching, a dedicated analog switch IC (e.g., DG-series) or MOSFET-based solution is required; this device is optimized for digital logic-level translation and power path control.
DCX124EUQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- DCX (XXXX) U
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 1 NPN, 1 PNP - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 22kOhms
- Resistor - Emitter Base (R2):
- 22kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 60 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 500nA (ICBO)
- Frequency - Transition:
- 250MHz
- Power - Max:
- 200mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
DCX124EUQ-13-F FAQ
1.How can I place an order for DCX124EUQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for DCX124EUQ-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 DCX124EUQ-13-F reliable?
The price and inventory of DCX124EUQ-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 DCX124EUQ-13-F is usually 5 days.
3.What payment methods are accepted for DCX124EUQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DCX124EUQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DCX124EUQ-13-F?
DCX124EUQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DCX124EUQ-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 DCX124EUQ-13-F?
For technical support, including DCX124EUQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DCX124EUQ-13-F requirements.
6.How does Aetrix verify that DCX124EUQ-13-F is sourced from the original manufacturer or authorized distributors?
All DCX124EUQ-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 DCX124EUQ-13-F meets industry standards.
7.What is the process for return or replacement of DCX124EUQ-13-F?
All DCX124EUQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with DCX124EUQ-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 DCX124EUQ-13-F part is unused and in its original packaging.
Return procedure for DCX124EUQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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