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Diodes Incorporated DDTC114ECA-7-F
- Part No.:
- DDTC114ECA-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DDTC114ECA-7-F.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:490,998
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Product details
Overview
DDTC114ECA-7-F from Diodes Incorporated is an NPN pre-biased small-signal transistor in SOT23 package with integrated bias resistors (R1 = R2 = 10 kΩ), rated for 50 V VCC, 50 mA IO, and 200 mW power dissipation, used for level-shifting and digital switching in automotive control modules and industrial sensor interfaces.
For engineers reviewing the DDTC114ECA-7-F datasheet, DDTC114ECA-7-F pinout, DDTC114ECA-7-F application, or DDTC114ECA-7-F equivalent, key selection criteria include input voltage thresholds (VIN(OFF) = 0.5–1.1 V, VIN(ON) = 1.9–3 V), output saturation voltage (VO(ON) ≤ 0.3 V at 10 mA/0.5 mA), DC current gain (GL = 30), and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This device integrates two matched 10 kΩ bias resistors to configure a single-transistor inverter with fixed base biasing, eliminating external resistor placement while maintaining predictable turn-on/off behavior across temperature (−55°C to +150°C). Its R1 = R2 topology ensures symmetrical input impedance and stable logic-level translation.
Designed for direct interface with microcontroller GPIOs and ASIC outputs, it operates with VCC up to 50 V and supports output currents up to 50 mA with guaranteed VCE(SAT) ≤ 0.3 V at IC/IB = 10, enabling low-loss switching in 3.3 V/5 V logic domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Max | 50 V - Supports high-side switching in 24 V automotive systems without additional level-shifting circuitry |
| IO Max | 50 mA - Drives medium-current loads such as LED indicators, relay coils, and optocoupler inputs |
| R1 = R2 | 10 kΩ ±30% - Enables consistent logic inversion with defined input threshold and noise margin |
| VO(ON) | ≤ 0.3 V at IO/IIN = 10 mA/0.5 mA - Ensures reliable low-state output for downstream CMOS/TTL inputs |
| GL | 30 - Provides sufficient current amplification for robust switching with minimal drive current |
| PD | 200 mW - Allows continuous operation on standard FR4 PCBs with minimum pad layout per J-STD-020 |
| fT | 250 MHz - Supports fast digital transitions up to ~10–20 MHz clocked applications |
Pinout & Package
Package: SOT23 - Surface-mount plastic package with matte tin-plated leads, moisture sensitivity level 1, UL 94V-0 rating, and 0.008 g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Input reference node | Connected to ground or logic low reference; defines common return path for bias network |
| 2 (Collector) | Output terminal | Switched high-side output node; sinks load current when transistor is active |
| 3 (Base) | Control input | Internally connected to R1–R2 junction; accepts logic-level input to enable/disable switching |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 = R2 bias network | 10 kΩ matched resistors reduce BOM count and eliminate layout mismatch errors in logic inversion |
| AEC-Q101 qualification | Validated for automotive applications including engine control units and body electronics under extended temperature and vibration stress |
| Green, halogen-free construction | Meets RoHS 2/3 and JEDEC J-STD-020 Level 1 standards with <900 ppm Br/Cl and <1000 ppm Sb |
| SOT23 footprint compatibility | Enables drop-in replacement of discrete BJT + two resistors; supports automated pick-and-place and reflow |
Applications
| Automotive Door Module | Industrial Sensor Interface |
|---|---|
Use Scenario: Driving window lift motor enable signals and door lock actuator controls in centralized body control modules. IC Role / Device Role: Logic-level translator and current amplifier interfacing 3.3 V MCU GPIOs to 12 V/24 V loads. Use Value: Eliminates need for external bias resistors and reduces PCB area by >3 mm² per channel while meeting AEC-Q101 reliability requirements. | Use Scenario: Isolating and conditioning analog sensor outputs before ADC sampling in programmable logic controllers. IC Role / Device Role: Digital buffer and open-collector driver for fault signaling and status flag transmission. Use Value: Provides predictable VOL ≤ 0.3 V at 10 mA, ensuring noise-immune TTL-compatible signal levels across −40°C to +85°C operating range. |
| Consumer Appliance Control Board | Medical Diagnostic Equipment |
Use Scenario: Controlling solenoid valves and display backlight drivers in smart washing machines and HVAC controllers. IC Role / Device Role: Low-power switch for 5 V logic-controlled peripheral activation. Use Value: Delivers 50 mA output current with <0.3 V saturation voltage, minimizing self-heating and enabling compact thermal design. | Use Scenario: Enabling safety-critical alarm indicators and interlock signals in portable ultrasound and patient monitoring units. IC Role / Device Role: Fail-safe output stage for diagnostic status reporting to host microcontrollers. Use Value: Guaranteed IO(OFF) ≤ 0.5 μA at VCC = 50 V ensures no false triggering during standby or fault conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar pre-biased NPN transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DDTC114EKA-7-F | Same die, different marking code (N13 vs. K13); identical electrical specs and AEC-Q101 qualification | No functional difference; used interchangeably in production where marking traceability differs | Select when legacy BOM specifies K-series marking or requires alternate reel labeling |
| ADTC114ECAQ-7-F | Successor part with enhanced ESD rating (HBM > 8 kV) and updated PPAP documentation; same R1/R2 = 10 kΩ and SOT23 package | Preferred for new automotive designs requiring latest AEC-Q101 revision and higher ESD immunity | Choose for new designs targeting long-term supply continuity and improved robustness in noisy environments |
Compared with DDTC114ECA-7-F, DDTC114EKA-7-F offers identical performance with alternate traceability, while ADTC114ECAQ-7-F delivers higher ESD tolerance and updated compliance documentation-making it suitable for next-generation automotive ECUs where field reliability under ESD stress is critical.
Availability
DDTC114ECA-7-F is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, consumer appliance control boards, and medical diagnostic equipment requiring stable component supply and AEC-Q101-compliant sourcing.
Supply support for DDTC114ECA-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 DDTC series belongs to Diodes' pre-biased transistor product line, engineered specifically for space-constrained digital interface applications requiring simplified logic-level translation and robust automotive qualification.
FAQ
What is the maximum recommended operating temperature for DDTC114ECA-7-F?
The device is rated for junction and storage temperatures from −55°C to +150°C. At ambient temperatures above +85°C, derating of power dissipation per Figure 1 in DS30329 is required; full 200 mW operation is only guaranteed up to +70°C on FR4 with minimum pad layout.
Can DDTC114ECA-7-F replace a discrete BJT plus two external resistors?
Yes-it integrates a matched 10 kΩ R1/R2 network optimized for logic inversion, matching typical discrete implementations. Pinout aligns with standard SOT23 NPN transistors (E-C-B), and electrical behavior (VIN(OFF), VIN(ON), VO(ON)) is characterized to ensure functional equivalence without layout changes.
Is DDTC114ECA-7-F suitable for 24 V automotive power domains?
Yes-its 50 V VCC rating exceeds ISO 7637-2 pulse test requirements for 24 V systems. Combined with AEC-Q101 qualification and −40°C to +125°C operating range, it supports direct use in body control modules, lighting drivers, and HVAC actuators without additional protection circuitry.
Does DDTC114ECA-7-F support bidirectional signal translation?
No-it is a unidirectional NPN inverter. The internal resistor network connects base to VCC and input, fixing its function as a high-side switch with grounded emitter. For bidirectional level shifting, a dedicated bus switch or dual-channel solution is required.
DDTC114ECA-7-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 - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 10 kOhms
- Resistor - Emitter Base (R2):
- 10 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 30 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 250 MHz
- Power - Max:
- 200 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
DDTC114ECA-7-F FAQ
1.How can I place an order for DDTC114ECA-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for DDTC114ECA-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 DDTC114ECA-7-F reliable?
The price and inventory of DDTC114ECA-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 DDTC114ECA-7-F is usually 5 days.
3.What payment methods are accepted for DDTC114ECA-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDTC114ECA-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDTC114ECA-7-F?
DDTC114ECA-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDTC114ECA-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 DDTC114ECA-7-F?
For technical support, including DDTC114ECA-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDTC114ECA-7-F requirements.
6.How does Aetrix verify that DDTC114ECA-7-F is sourced from the original manufacturer or authorized distributors?
All DDTC114ECA-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 DDTC114ECA-7-F meets industry standards.
7.What is the process for return or replacement of DDTC114ECA-7-F?
All DDTC114ECA-7-F units undergo pre-shipment inspection (PSI). If there is an issue with DDTC114ECA-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 DDTC114ECA-7-F part is unused and in its original packaging.
Return procedure for DDTC114ECA-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDTC114ECA-7-F Tags
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MUN5211T1G
onsemi
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DTC043ZEBTL
Rohm Semiconductor
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DTC114EKAT146
Rohm Semiconductor
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DDTD113ZC-7-F
Diodes Incorporated
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DRDNB16W-7
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PDTC114ET,215
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PDTC143ET,215
Nexperia USA Inc.
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PDTC143XT,215
Nexperia USA Inc.
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MMUN2211LT1G
onsemi
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PDTC144ET,215
Nexperia USA Inc.
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PDTC124ET,215
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