Diodes Incorporated DDC114EUQ-7-F
- Part No.:
- DDC114EUQ-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
DDC114EUQ-7-F.pdf
- Description:
- PREBIAS TRANSISTOR SOT363 T&R 3K
- Quantity:
- Payment:

- Shipping:

Inventory:3,200
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Product details
Overview
DDC114EUQ-7-F from Diodes Incorporated is an AEC-Q101 qualified NPN pre-biased dual small-signal transistor in SOT363 package, featuring integrated 10 kΩ input resistors (R1 = R2), 50 V VCEO, 50 mA continuous output current, and 200 mW power dissipation - used for level-shifting and digital logic interfacing in automotive body control modules.
For engineers reviewing the DDC114EUQ-7-F datasheet, DDC114EUQ-7-F pinout, DDC114EUQ-7-F application, or DDC114EUQ-7-F equivalent, key selection criteria include input voltage thresholds (VI(on) = 1.9 V, VI(off) = 0.5 V at VCC = 5 V), output saturation voltage (VCE(sat) ≤ 0.3 V at IC/IB = 10 mA/1 mA), DC current gain (GI = 30), and AEC-Q101 qualification for automotive use.
Technical Context
This dual NPN transistor integrates two identical pre-biased elements with matched 10 kΩ base-emitter bias resistors (R1 = R2) on a single die. Each channel operates independently with common-emitter configuration, supporting TTL/CMOS-compatible input switching and low-saturation output drive.
Designed for automotive-grade signal conditioning, it delivers guaranteed VI(on) ≤ 1.9 V and VI(off) ≥ 0.5 V across -40°C to +125°C ambient, with thermal derating to 150 mW per element above 25°C and full compliance to IATF 16949 manufacturing standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive supply rails with margin. |
| IO (continuous) | 50 mA - Sustained output current per channel; sufficient for driving LED indicators or small relays. |
| VCE(sat) | ≤ 0.3 V at IC/IB = 10 mA/1 mA - Ensures minimal power loss and heat generation during saturation. |
| GI (DC current gain) | 30 - Defined at VO = 5 V, IO = 5 mA; provides predictable switching behavior without external gain-setting components. |
| R1 / R2 | 10 kΩ ±30% - Integrated bias resistors eliminate need for external base resistors in digital interface circuits. |
| PD (total) | 200 mW - Power dissipation limit for the entire SOT363 package; requires thermal pad layout per Diodes' recommended footprint. |
| TJ range | -55°C to +150°C - Junction temperature rating supports under-hood automotive deployment without derating. |
Pinout & Package
Package: SOT363 - 6-pin surface-mount plastic package with matte tin-plated leads, UL 94V-0 flammability rating, and moisture sensitivity level 1 (J-STD-020).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (C1) | Collector of Transistor 1 | Primary current-sinking output node for first channel; connects to load return path. |
| 2 (B1) | Base of Transistor 1 | Internally connected to R1 (10 kΩ) and R2 (10 kΩ); accepts logic-level input directly. |
| 3 (E1) | Emitter of Transistor 1 | Common emitter node for Channel 1; tied to ground or reference potential. |
| 4 (E2) | Emitter of Transistor 2 | Common emitter node for Channel 2; electrically isolated from E1 but same potential in typical layout. |
| 5 (B2) | Base of Transistor 2 | Internally connected to R1 (10 kΩ) and R2 (10 kΩ); independent input for second channel. |
| 6 (C2) | Collector of Transistor 2 | Primary current-sinking output node for second channel; supports dual independent switching. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including body electronics, lighting controls, and sensor interfaces with PPAP support. |
| Dual-channel integration | Two independent NPN pre-biased transistors in one SOT363 package reduce PCB area by ~40% vs. discrete solutions. |
| Matched R1/R2 resistors | 10 kΩ ±30% bias network per channel ensures consistent turn-on thresholds and eliminates external resistor placement. |
| Green RoHS compliance | Fully lead-free, halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb), meeting EU Directive 2015/863/EU. |
| Thermal robustness | 625°C/W junction-to-ambient thermal resistance with FR-4 board mounting; derates linearly above 25°C ambient. |
Applications
| Automotive Door Module | Industrial PLC Input Stage |
|---|---|
|
Use Scenario: Level-shifting 3.3 V microcontroller GPIO signals to drive 12 V solenoid enable lines in door lock actuation circuits. IC Role / Device Role / Timing Role: Dual NPN switch providing isolated, current-limited sink paths for two independent solenoid drivers. Use Value: Eliminates need for two separate BJT + resistor combinations while maintaining AEC-Q101 compliance and thermal stability at 85°C ambient. |
Use Scenario: Converting 24 V industrial fieldbus inputs into clean 5 V logic levels for FPGA-based controller monitoring. IC Role / Device Role / Timing Role: Input buffer stage translating high-voltage off-state (24 V) and low-voltage on-state (0–2 V) into CMOS-compatible logic. Use Value: Built-in 10 kΩ bias resistors ensure reliable turn-on at VI(on) ≤ 1.9 V and prevent false triggering from noise on long cables. |
| LED Status Indicator Bank | Smart HVAC Fan Control Interface |
|
Use Scenario: Driving eight discrete red/green status LEDs in a dashboard cluster using four DDC114EUQ-7-F devices. IC Role / Device Role / Timing Role: Constant-current sink switch enabling precise brightness control via PWM applied to base inputs. Use Value: VCE(sat) ≤ 0.3 V minimizes voltage drop across each LED string, preserving forward voltage headroom for 2.1 V red LEDs at 10 mA. |
Use Scenario: Interfacing thermistor-based temperature feedback and relay control signals between HVAC microcontroller and motor driver board. IC Role / Device Role / Timing Role: Signal isolation and voltage translation between mixed-voltage subsystems (3.3 V MCU ↔ 12 V fan control). Use Value: Dual-channel architecture allows simultaneous handling of analog sensor conditioning and digital relay enable signals in compact space-constrained modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar pre-biased dual NPN transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADC114EUQ | Same pinout and electrical specs; active production status (DDC114EUQ-7-F is NRND). | Identical AEC-Q101 qualification and thermal performance; preferred for new designs requiring long-term supply. | Select ADC114EUQ for volume production where lifecycle continuity and manufacturer support are critical. |
| DDC114TUQ-7-F | 1 kΩ R1 only (no R2); lower input impedance; VI(on) = 1.3 V, higher II = 3.6 mA at VI = 5 V. | Better suited for fast-switching, low-threshold logic interfaces but lacks dual-resistor noise immunity. | Choose DDC114TUQ only when faster response or tighter VI(on) tolerance is required and external pull-down is acceptable. |
Compared with DDC114EUQ-7-F, ADC114EUQ offers identical functionality with assured long-term availability, while DDC114TUQ-7-F trades resistor matching for lower threshold voltage and higher input current - making it suitable only for non-automotive, speed-critical applications.
Availability
DDC114EUQ-7-F is available at Aetrix Electronics and suitable for automotive body control units, industrial PLC input stages, LED indicator banks, and smart HVAC interface modules requiring stable component supply and AEC-Q101 traceability.
Supply support for DDC114EUQ-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 semiconductor company specializing in discrete, analog, and mixed-signal ICs, with design centers in Asia, Europe, and the US, and manufacturing facilities certified to IATF 16949.
The DDC series targets automotive and industrial signal interface applications, delivering pre-biased transistors optimized for reliability, space savings, and simplified PCB layout in harsh-environment systems.
FAQ
Is DDC114EUQ-7-F still recommended for new designs?
No - Diodes Incorporated marks DDC114EUQ-7-F as NRND (Not Recommended for New Design) and recommends ADC114EUQ as its direct replacement. Both share identical SOT363 pinout, electrical specifications, AEC-Q101 qualification, and thermal characteristics, but ADC114EUQ has active production status and guaranteed long-term supply.
What is the maximum operating temperature for continuous use?
The device supports continuous operation up to +125°C ambient temperature with full specification compliance. Its -55°C to +150°C junction temperature range and IATF 16949 manufacturing ensure reliability in under-hood automotive environments, provided PCB thermal design follows Diodes' recommended SOT363 pad layout for 625°C/W RθJA.
Can DDC114EUQ-7-F replace discrete BJT + resistor combinations?
Yes - each channel integrates matched 10 kΩ R1 and R2 bias resistors, eliminating two external resistors per transistor. This reduces component count, improves layout consistency, and enhances noise immunity compared to discrete implementations, especially in high-density automotive PCBs where routing space is constrained.
Does this part support 3.3 V logic input directly?
Yes - with VI(on) = 1.9 V (max) and VI(off) = 0.5 V (min) at VCC = 5 V, the device reliably switches on with standard 3.3 V CMOS logic outputs. The 10 kΩ input network draws only 0.88 mA at VI = 5 V, ensuring compatibility with most microcontroller GPIOs without additional buffering.
DDC114EUQ-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- DDC (XXXX) U
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 NPN - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 10kOhms
- Resistor - Emitter Base (R2):
- 10kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 30 @ 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
DDC114EUQ-7-F FAQ
1.How can I place an order for DDC114EUQ-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for DDC114EUQ-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 DDC114EUQ-7-F reliable?
The price and inventory of DDC114EUQ-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 DDC114EUQ-7-F is usually 5 days.
3.What payment methods are accepted for DDC114EUQ-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDC114EUQ-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDC114EUQ-7-F?
DDC114EUQ-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDC114EUQ-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 DDC114EUQ-7-F?
For technical support, including DDC114EUQ-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDC114EUQ-7-F requirements.
6.How does Aetrix verify that DDC114EUQ-7-F is sourced from the original manufacturer or authorized distributors?
All DDC114EUQ-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 DDC114EUQ-7-F meets industry standards.
7.What is the process for return or replacement of DDC114EUQ-7-F?
All DDC114EUQ-7-F units undergo pre-shipment inspection (PSI). If there is an issue with DDC114EUQ-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 DDC114EUQ-7-F part is unused and in its original packaging.
Return procedure for DDC114EUQ-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDC114EUQ-7-F Tags

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SMUN5311DW1T1G
onsemi

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UMH9NTN
Rohm Semiconductor

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PUMH13,115
Nexperia USA Inc.

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PUMD3-QX
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RN4987FE,LF(CT
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PUMD12,115
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PUMD9,115
Nexperia USA Inc.

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PUMH9,115
Nexperia USA Inc.

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PUMD3,115
Nexperia USA Inc.

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DCX114EU-7-F
Diodes Incorporated

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PUMD13,115
Nexperia USA Inc.
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