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Diodes Incorporated ADTC114ECAQ-7
- Part No.:
- ADTC114ECAQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
ADTC114ECAQ-7.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
ADTC114ECAQ-7 from Diodes Incorporated is an AEC-Q101-qualified NPN pre-biased small-signal transistor in SOT23 package, featuring integrated 10 kΩ base bias resistors (R1 = R2), 50 V VCC, 100 mA IC(max), and 310 mW power dissipation at TA = 25°C. It functions as a digital switch or level translator in automotive body control modules, LED drivers, and sensor interface circuits.
For engineers reviewing the ADTC114ECAQ-7 datasheet, ADTC114ECAQ-7 pinout, ADTC114ECAQ-7 application, or ADTC114ECAQ-7 equivalent, key selection criteria include input voltage thresholds (VIN(OFF) ≤ 1.1 V, VIN(ON) ≥ 1.9 V), guaranteed saturation voltage (VO(on) ≤ 0.3 V @ IO/IL = 10 mA/0.5 mA), DC current gain (hFE ≥ 30), and automotive-grade reliability per AEC-Q101.
Technical Context
This device integrates matched 10 kΩ base-emitter and base-collector resistors to enable single-resistor logic-level interfacing without external bias components. Its epitaxial planar construction ensures stable hFE across temperature (−55°C to +150°C) and supports fast switching with fT = 250 MHz.
The SOT23 package delivers thermal resistance of 403°C/W on FR4 board, enabling operation up to 150°C junction temperature. Input voltage range (−10 V to +40 V) and output current capability (50 mA continuous, 100 mA peak) make it suitable for 3.3 V/5 V logic-driven load switching in constrained automotive PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Max | 50 V - Supports supply rails up to 48 V automotive systems without derating |
| IC(max) | 100 mA - Enables direct drive of medium-current loads like LEDs or small relays |
| R1 = R2 | 10 kΩ ±30% - Provides fixed bias ratio for predictable turn-on/turn-off thresholds |
| VO(on) | ≤ 0.3 V @ IO/IL = 10 mA/0.5 mA - Ensures low conduction loss and clean logic-low output |
| hFE | ≥ 30 @ VCE = 5 V, IC = 5 mA - Guarantees sufficient current amplification for reliable switching |
| fT | 250 MHz - Supports high-speed digital signal routing in CAN/LIN node interfaces |
| PD | 310 mW @ TA = 25°C - Defines maximum steady-state power handling on standard FR4 layout |
Pinout & Package
SOT23 surface-mount package: 3-pin, lead-free matte tin-plated terminals, UL 94V-0 rated molding compound, 0.008 g weight, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Output / Load Return Path | Connected to ground or load low-side return; carries full switched current |
| 2 (Base) | Input Bias Node | Internal connection point between R1 and R2; accepts logic-level input |
| 3 (Collector) | Switched Power Output | Connects to load high-side; sinks current when transistor is ON |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 = R2 bias network | Eliminates need for two external resistors, reducing BOM count and PCB area by ~30% vs discrete bias design |
| AEC-Q101 qualification | Validated for automotive underhood applications including temperature cycling, HAST, and mechanical shock testing |
| Green compound & RoHS compliance | Halogen- and antimony-free (<900 ppm Br/Cl, <1000 ppm Sb), meeting EU ELV and OEM sustainability requirements |
| VIN(OFF) ≤ 1.1 V / VIN(ON) ≥ 1.9 V | Ensures robust noise margin against 3.3 V logic signals and prevents false triggering in noisy vehicle environments |
Applications
| Automotive Body Control Module | LED Lighting Driver |
|---|---|
Use Scenario: Controlling door lock actuators, window lift motors, and interior lighting via microcontroller GPIO pins. IC Role / Device Role / Timing Role: Digital switch translating 3.3 V MCU outputs into 12 V/24 V load control paths. Use Value: Eliminates external base resistors and reduces component count while maintaining AEC-Q101 reliability for 15-year vehicle service life. | Use Scenario: Driving indicator LEDs and dashboard backlight segments in instrument clusters. IC Role / Device Role / Timing Role: Constant-current sink switch enabling precise brightness control via PWM input. Use Value: Low VO(on) (≤0.3 V) minimizes power loss and thermal rise in space-constrained cluster PCBs. |
| Sensor Interface Circuit | LIN Bus Node Transceiver Support |
Use Scenario: Level-shifting and conditioning analog sensor outputs (e.g., temperature, pressure) before ADC sampling. IC Role / Device Role / Timing Role: Signal conditioning buffer with defined input hysteresis and rail-to-rail compatibility. Use Value: Matched R1/R2 ensures consistent threshold behavior across production lots and temperature ranges (−40°C to +125°C). | Use Scenario: Enabling LIN transceiver wake-up detection and local peripheral control in distributed nodes. IC Role / Device Role / Timing Role: Fast-response digital switch for LIN bus line pull-down and status signaling. Use Value: 250 MHz fT supports clean edge integrity during LIN's 19.2 kbps bit transitions and fault pulse detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NSV114E3T5G | Same SOT23-3, R1=R2=10 kΩ, but lower IC(max) = 50 mA and no AEC-Q101 qualification | Restricted to non-automotive industrial or consumer use; not PPAP-capable | Select only for cost-sensitive non-automotive designs where AEC-Q101 is not required |
| PDTC114EE,115 | Identical electrical specs and AEC-Q101 rating, but uses different marking code (115 vs 2A4) and tape/reel packaging (7″ vs 13″) | No functional difference; compatible in same PCB footprint and thermal profile | Preferred for volume procurement where Philips/NXP sourcing channels are preferred over Diodes Inc. |
Compared with NSV114E3T5G and PDTC114EE,115, ADTC114ECAQ-7 offers guaranteed automotive qualification with PPAP support, identical bias resistor matching, and optimized thermal performance on minimum-copper FR4-making it the default choice for Tier-1 body electronics BOMs requiring long-term supply continuity.
Availability
ADTC114ECAQ-7 is available at Aetrix Electronics and suitable for automotive body control modules, LED lighting drivers, sensor interface circuits, and LIN bus node support requiring stable component supply and AEC-Q101 compliance.
Supply support for ADTC114ECAQ-7 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, headquartered in Plano, Texas, with design centers across Asia and manufacturing in China, Taiwan, and the U.S.
The ADTC series belongs to Diodes' AEC-Q101-qualified pre-biased transistor product line, engineered specifically for automotive signal switching and interface applications where reliability, space savings, and simplified design are critical.
FAQ
What is the maximum operating temperature for ADTC114ECAQ-7?
The device is rated for junction and storage temperatures from −55°C to +150°C. Its thermal resistance (RθJA = 403°C/W) allows continuous operation at +125°C ambient on standard FR4 PCBs when power dissipation remains below 120 mW, verified per JESD51-2 thermal test conditions.
Can ADTC114ECAQ-7 replace a standard NPN transistor with external bias resistors?
Yes-it replaces a discrete NPN transistor plus two 10 kΩ resistors in a single SOT23 package. The internal R1 = R2 configuration provides identical biasing behavior, eliminating layout errors and solder joint reliability risks associated with three-component assemblies.
Is ADTC114ECAQ-7 suitable for 3.3 V logic interfacing?
Yes. Its VIN(ON) threshold (min 1.9 V) and VIN(OFF) (max 1.1 V) provide >0.8 V noise margin with 3.3 V CMOS outputs, and its input current draw is ≤0.88 mA at VIN = 5 V-well within GPIO drive capability of most automotive MCUs.
Does ADTC114ECAQ-7 require heatsinking in typical automotive applications?
No. With PD = 310 mW and RθJA = 403°C/W, junction temperature rise is <125°C at 100 mW dissipation-within safe limits for SOT23 on standard 1-oz copper FR4. Heatsinking is unnecessary unless operating continuously above 150 mW in high-ambient (>85°C) environments.
ADTC114ECAQ-7 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:
- 310 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
ADTC114ECAQ-7 FAQ
1.How can I place an order for ADTC114ECAQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADTC114ECAQ-7 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 ADTC114ECAQ-7 reliable?
The price and inventory of ADTC114ECAQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADTC114ECAQ-7 is usually 5 days.
3.What payment methods are accepted for ADTC114ECAQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADTC114ECAQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADTC114ECAQ-7?
ADTC114ECAQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADTC114ECAQ-7 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 ADTC114ECAQ-7?
For technical support, including ADTC114ECAQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADTC114ECAQ-7 requirements.
6.How does Aetrix verify that ADTC114ECAQ-7 is sourced from the original manufacturer or authorized distributors?
All ADTC114ECAQ-7 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 ADTC114ECAQ-7 meets industry standards.
7.What is the process for return or replacement of ADTC114ECAQ-7?
All ADTC114ECAQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with ADTC114ECAQ-7, 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 ADTC114ECAQ-7 part is unused and in its original packaging.
Return procedure for ADTC114ECAQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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