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Diodes Incorporated DDTC114YCAQ-13-F
- Part No.:
- DDTC114YCAQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DDTC114YCAQ-13-F.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:4,365
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Product details
Overview
DDTC114YCAQ-13-F from Diodes Incorporated is an NPN pre-biased small-signal transistor in SOT23 package, featuring integrated bias resistors R1 = 10 kΩ and R2 = 47 kΩ (R1 ≠ R2), VI(ON) = 1.3 V at IO = 1 mA, VO(ON) ≤ 0.3 V, and DC current gain GL = 68 at VCE = 5 V, IC = 5 mA. It is AEC-Q101 qualified and used for automotive logic-level signal switching in body control modules.
For engineers reviewing the DDTC114YCAQ-13-F datasheet, DDTC114YCAQ-13-F pinout, DDTC114YCAQ-13-F application, or DDTC114YCAQ-13-F equivalent, key selection criteria include input voltage threshold, output saturation voltage, built-in resistor ratio tolerance (±20%), thermal resistance (625 °C/W), and automotive qualification status.
Technical Context
This device integrates a monolithic NPN transistor with two discrete on-die biasing resistors (R1 = 10 kΩ, R2 = 47 kΩ), enabling single-pin digital input control without external base resistors. Its R1 ≠ R2 configuration provides asymmetric biasing optimized for low-input-current switching.
Designed for automotive-grade reliability, it operates across −55 °C to +150 °C, delivers IO = 70 mA max output current, and maintains VI(OFF) = 0.3 V (VCC = 5 V, IO = 100 μA) to ensure noise-immune OFF-state behavior in noisy vehicle environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| R1 (Nominal) | 10 kΩ - sets base current path for turn-on; enables ~0.5 mA input drive at 5 V |
| R2 (Nominal) | 47 kΩ - provides active pull-down to ensure fast, reliable turn-off |
| VI(ON) | 1.3 V @ IO = 1 mA - compatible with 1.8 V/3.3 V logic families without level shifting |
| VO(ON) | ≤ 0.3 V @ IO/IL = 10 mA/0.5 mA - ensures low conduction loss in load-switching applications |
| GL (DC Current Gain) | 68 @ VCE = 5 V, IC = 5 mA - guarantees sufficient gain margin for stable saturation under temperature variation |
| PD | 200 mW - supports continuous operation up to +85 °C ambient on standard FR4 PCB with minimal heatsinking |
| RθJA | 625 °C/W - defines thermal derating slope; requires layout-aware pad design per AP02001 |
Pinout & Package
Package: SOT23 - surface-mount plastic case, 0.008 g weight, UL 94V-0 rated, moisture sensitivity Level 1, matte tin-plated leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current sink terminal | Connected internally to R2; serves as common reference for bias network and output return path |
| 2 (Base) | Input control node | Internal connection point between R1 and R2; accepts logic-level voltage to enable transistor conduction |
| 3 (Collector) | Switched output terminal | High-side load connection point; delivers up to 70 mA with <0.3 V saturation drop |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain and body electronics per stress test requirements (HTOL, TC, HAST, etc.) |
| R1 ≠ R2 bias architecture | Enables precise input threshold tuning and eliminates need for external base resistor networks |
| Green, halogen-free construction | <900 ppm Br, <900 ppm Cl, <1000 ppm Sb - meets global environmental compliance mandates |
| Low VI(OFF) (0.3 V) | Rejects EMI-induced false triggering in high-noise automotive harnesses |
| Gain-bandwidth product (fT) | 250 MHz - supports fast edge rates in PWM-driven loads (e.g., LED dimming, solenoid control) |
Applications
| Automotive Door Module Switching | LED Indicator Driver |
|---|---|
|
Use Scenario: Controlling window lock/unlock actuators and mirror position motors in door control units. IC Role / Device Role / Timing Role: Pre-biased NPN switch translating microcontroller GPIO signals into 12 V load current paths. Use Value: Eliminates two external resistors per channel, reducing BOM count and PCB area while maintaining AEC-Q101 reliability. |
Use Scenario: Driving status LEDs (red/green/blue) on instrument clusters and center consoles. IC Role / Device Role / Timing Role: Low-VCE(sat) current sink enabling precise 2–20 mA LED current control from 3.3 V MCU outputs. Use Value: Ensures consistent brightness across temperature (−40 °C to +105 °C) due to stable GL and low RθJA-dependent thermal drift. |
| Body Control Unit (BCU) Relay Interface | Smart Junction Box Load Management |
|
Use Scenario: Activating 12 V electromagnetic relays for headlight, wiper, and horn circuits. IC Role / Device Role / Timing Role: Logic-level interface between low-power MCU and relay coil, providing galvanic isolation via optocoupler-compatible drive capability. Use Value: Delivers 70 mA IO with <0.3 V dropout, minimizing coil heating and extending relay life under frequent switching. |
Use Scenario: Managing distributed 5–24 V loads (e.g., seat heaters, HVAC fans) in next-gen junction boxes. IC Role / Device Role / Timing Role: High-reliability discrete switch supporting diagnostic feedback via emitter sensing and fault detection. Use Value: Enables real-time current monitoring through R2-based voltage sampling without adding sense resistors or op-amps. |
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 |
|---|---|---|---|
| DDTC114YCA-7-F | Same die, 3,000-unit reel (7-inch), no automotive marking; identical electrical specs and thermal performance | Qualified to AEC-Q101 but not marked "Automotive" - suitable for industrial or consumer designs requiring same reliability without PPAP documentation | Select when automotive traceability (PPAP, lot-level reporting) is not required and smaller reels reduce inventory overhead |
| NSV114YMT1G | Onsemi part with R1 = 10 kΩ, R2 = 47 kΩ, but VI(ON) = 1.5 V (min) and GL = 56 (min); slightly higher VO(ON) (0.4 V) | Also AEC-Q101 qualified, but lower gain and higher saturation voltage reduce margin in thermally constrained layouts | Choose only if dual-sourcing is mandated and system-level testing confirms adequate noise immunity and thermal headroom |
Compared with DDTC114YCA-7-F, the Q-suffix version adds full automotive traceability and PPAP support; versus NSV114YMT1G, DDTC114YCAQ-13-F offers tighter VI(ON), lower VO(ON), and higher GL-critical for low-voltage logic compatibility and thermal efficiency in dense automotive modules.
Availability
DDTC114YCAQ-13-F is available at Aetrix Electronics and suitable for automotive body electronics, smart junction box designs, and LED lighting control systems requiring stable component supply and full AEC-Q101 compliance.
Supply support for DDTC114YCAQ-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.
This part belongs to the DDTC (R1≠R2 Series) CA family-designed specifically for automotive signal switching with integrated asymmetric biasing to simplify PCB layout and improve EMI robustness in harsh environments.
FAQ
What is the maximum continuous collector current for DDTC114YCAQ-13-F?
The absolute maximum rated output current is 70 mA, verified per DS30330 Rev. 11–2 Section "Absolute Maximum Ratings." This value is sustained under TA = +25°C with proper PCB thermal relief; derating applies above +85°C ambient per Fig. 1 (Power Dissipation vs. Ambient Temperature).
Does DDTC114YCAQ-13-F require external base resistors?
No. The device integrates R1 = 10 kΩ and R2 = 47 kΩ on-die, forming a complete bias network. Pin 2 (base) connects directly to logic sources; no external resistors are needed for standard switching operation, reducing component count and layout complexity.
How does the R1 ≠ R2 configuration improve performance over symmetric bias designs?
The asymmetric ratio (R1/R2 ≈ 0.21) lowers effective input impedance during turn-on while strengthening turn-off speed via R2's pull-down action. This yields faster transition times, reduced shoot-through risk in driving inductive loads, and improved noise rejection compared to 1:1 resistor configurations.
Is DDTC114YCAQ-13-F pin-compatible with other SOT23 pre-biased transistors?
Yes-pin 1 (emitter), pin 2 (base), and pin 3 (collector) follow standard SOT23 orientation per JEDEC TO-236AB. However, electrical behavior differs significantly across R1/R2 values; direct substitution requires verification of VI(ON), IO, and GL against target application thresholds.
DDTC114YCAQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- DDTC (R1≠R2 SERIES) CA
- 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):
- 47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 80 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 250µA, 5mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 250 MHz
- Power - Max:
- 200 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
DDTC114YCAQ-13-F FAQ
1.How can I place an order for DDTC114YCAQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for DDTC114YCAQ-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 DDTC114YCAQ-13-F reliable?
The price and inventory of DDTC114YCAQ-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 DDTC114YCAQ-13-F is usually 5 days.
3.What payment methods are accepted for DDTC114YCAQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDTC114YCAQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDTC114YCAQ-13-F?
DDTC114YCAQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDTC114YCAQ-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 DDTC114YCAQ-13-F?
For technical support, including DDTC114YCAQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDTC114YCAQ-13-F requirements.
6.How does Aetrix verify that DDTC114YCAQ-13-F is sourced from the original manufacturer or authorized distributors?
All DDTC114YCAQ-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 DDTC114YCAQ-13-F meets industry standards.
7.What is the process for return or replacement of DDTC114YCAQ-13-F?
All DDTC114YCAQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with DDTC114YCAQ-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 DDTC114YCAQ-13-F part is unused and in its original packaging.
Return procedure for DDTC114YCAQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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