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Diodes Incorporated DDTC114TE-7-F
- Part No.:
- DDTC114TE-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SOT-523
- Datasheet:
-
DDTC114TE-7-F.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT523
- Quantity:
- Payment:
- Shipping:
Inventory:111
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Product details
Overview
DDTC114TE-7-F from Diodes Incorporated is an NPN pre-biased transistor in SOT523 package with integrated 10 kΩ base bias resistor (R1 only), rated for 50 V VCEO, 100 mA IC(MAX), and 150 mW power dissipation; used in compact logic-level switching, LED driver biasing, and automotive signal conditioning circuits.
For engineers reviewing the DDTC114TE-7-F datasheet, DDTC114TE-7-F pinout, DDTC114TE-7-F application, or DDTC114TE-7-F equivalent, key selection criteria include verified R1 tolerance (±30%), hFE range (100–600), VCE(sat) ≤ 0.3 V at IC/IB = 5 mA/0.5 mA, AEC-Q101 qualification, and SOT523 thermal resistance (833 °C/W).
Technical Context
This device integrates a single NPN silicon epitaxial planar transistor with one external-base-connected resistor (R1 = 10 kΩ ±30%), enabling simplified digital interface drive without discrete bias components. It operates within -55°C to +150°C and supports DC current gain up to 600 at IC = 1 mA, VCE = 5 V.
The SOT523 package delivers low thermal resistance (833 °C/W) on FR-4 PCBs and supports high-density mounting. Its 0.002 g mass and UL 94V-0 molding compound meet stringent automotive and portable electronics requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum safe collector-emitter voltage before breakdown; enables use in 24 V automotive and 3.3/5 V logic systems. |
| IC(MAX) | 100 mA - Continuous collector current limit; suitable for driving small relays, LEDs, or logic inputs. |
| R1 (NOM) | 10 kΩ ±30% - Integrated base bias resistor eliminates external component; tolerance impacts turn-on threshold stability. |
| VCE(sat) | ≤ 0.3 V at IC/IB = 5 mA/0.5 mA - Low saturation voltage minimizes power loss in switching applications. |
| hFE | 100–600 - Wide DC current gain range ensures reliable switching across process and temperature variation. |
| PD | 150 mW - Power dissipation limit on standard FR-4 board; defines maximum continuous output capability. |
| TJ Range | -55°C to +150°C - Extended junction temperature rating supports under-hood automotive and industrial environments. |
Pinout & Package
Package: SOT523 - ultra-small surface-mount plastic package (1.60 × 1.60 × 0.33 mm), matte tin-plated terminals, moisture sensitivity level 1, UL 94V-0 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Emitter (E) | Current sink terminal | Connected to ground or low-side return path; forms common-emitter switch configuration. |
| Base (B) | Control input node | Internally connected to R1; accepts TTL/CMOS logic-level drive without external pull-up/down. |
| Collector (C) | Output current source | Drives load (e.g., LED anode, relay coil); voltage swing limited by VCEO = 50 V. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules and body electronics. |
| R1-only bias topology | Reduces BOM count and PCB area vs. discrete transistor + resistor solutions. |
| Green, halogen-free construction | Meets RoHS 3 (2015/863/EU) and automotive environmental compliance mandates. |
| Low thermal resistance | 833 °C/W enables stable operation at ambient temperatures up to +125°C with minimal derating. |
| SOT523 footprint | Compatible with high-speed pick-and-place equipment and reflow soldering per J-STD-020 Level 1. |
Applications
| Automotive Door Module | Industrial PLC Input Stage |
|---|---|
Use Scenario: Driving window lift motor enable signals and mirror fold/unfold commands in door control units. IC Role / Device Role / Timing Role: NPN pre-biased switch translating microcontroller GPIO outputs into isolated 12 V load control paths. Use Value: Eliminates need for external base resistor and reduces PCB space by >30% versus discrete solution while maintaining AEC-Q101 reliability. | Use Scenario: Converting 24 V industrial field signals into clean 3.3 V logic levels for FPGA or MCU input capture. IC Role / Device Role / Timing Role: Level-shifting interface transistor with built-in bias network for noise-immune signal conditioning. Use Value: Delivers consistent VCE(sat) ≤ 0.3 V across temperature, ensuring reliable logic-low detection in noisy factory environments. |
| Smart Lighting Control | Consumer Appliance UI Feedback |
Use Scenario: Biasing constant-current LED drivers in smart bulb dimming circuits with PWM-controlled brightness. IC Role / Device Role / Timing Role: Fast-switching NPN switch enabling precise duty-cycle control of LED strings via microcontroller PWM. Use Value: Achieves <1 µs turn-off time (per fT = 250 MHz) and maintains <0.3 V saturation drop at 5 mA, minimizing heat generation. | Use Scenario: Driving status LEDs and buzzer indicators in washing machine control panels with 5 V supply rails. IC Role / Device Role / Timing Role: Low-power digital output buffer providing galvanic isolation between MCU I/O and indicator loads. Use Value: Supports 100 mA peak current and withstands repeated hot-swap events due to robust ESD protection and JEDEC-compliant packaging. |
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 |
|---|---|---|---|
| NSV114T1G | R1 = 10 kΩ ±30%, same SOT-523, but hFE min = 80 (vs. 100) and VCE(sat) max = 0.3 V at IC/IB = 10 mA/1 mA. | Lower hFE requires higher drive current for full saturation; less margin in low-IB designs. | Prefer DDTC114TE-7-F when operating near minimum hFE edge or requiring tighter VCE(sat) consistency. |
| PDTC114ET,115 | R1 = 10 kΩ ±30%, SOT-323 package (larger footprint), PD = 250 mW, RθJA = 430 °C/W. | Higher power handling but incompatible footprint; unsuitable for space-constrained layouts. | Select DDTC114TE-7-F for ultra-compact designs where SOT-523 size and thermal profile are critical. |
Compared with NSV114T1G and PDTC114ET,115, DDTC114TE-7-F offers superior hFE lower bound (100 vs. 80), identical R1 tolerance, and optimal thermal performance in the smallest available footprint-making it ideal for automotive and portable electronics where space, gain margin, and qualification are jointly constrained.
Availability
DDTC114TE-7-F is available at Aetrix Electronics and suitable for automotive door modules, industrial PLC input stages, and smart lighting control systems requiring stable component supply, AEC-Q101 compliance, and long-term lifecycle support.
Supply support for DDTC114TE-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 consumer markets.
The DDTC (R1-ONLY SERIES) E product line delivers pre-biased transistors optimized for simplified digital interface design in space- and cost-sensitive applications, with emphasis on automotive qualification and green manufacturing.
FAQ
Is DDTC114TE-7-F AEC-Q101 qualified?
Yes, DDTC114TE-7-F is AEC-Q101 qualified and manufactured in IATF 16949 certified facilities. It meets automotive change control requirements and is PPAP capable, making it suitable for under-hood and body electronics applications where reliability and traceability are mandatory.
What is the function of the internal R1 resistor?
The internal R1 resistor (10 kΩ ±30%) connects the base to the input terminal, enabling direct connection to logic-level signals without external bias components. It sets the base current for predictable transistor turn-on behavior, reducing design complexity and PCB area in digital switching applications.
Can DDTC114TE-7-F replace a standard NPN transistor plus external base resistor?
Yes-it is designed as a drop-in replacement for discrete NPN + resistor combinations. The integrated R1 provides identical biasing functionality, but layout must account for SOT523 pinout (Emitter-Base-Collector) and thermal derating per its 150 mW power limit on standard FR-4 boards.
What is the maximum operating temperature for continuous use?
The device supports continuous operation from -55°C to +150°C junction temperature. At ambient temperatures above +85°C, power dissipation must be derated linearly per the 833 °C/W RθJA value, reaching zero power at +150°C ambient on standard FR-4 with minimum pad layout.
DDTC114TE-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOT-523
- 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):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 100µA, 1mA
- Current - Collector Cutoff (Max):
- 500nA (ICBO)
- Frequency - Transition:
- 250 MHz
- Power - Max:
- 150 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-523
DDTC114TE-7-F FAQ
1.How can I place an order for DDTC114TE-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for DDTC114TE-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 DDTC114TE-7-F reliable?
The price and inventory of DDTC114TE-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 DDTC114TE-7-F is usually 5 days.
3.What payment methods are accepted for DDTC114TE-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDTC114TE-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDTC114TE-7-F?
DDTC114TE-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDTC114TE-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 DDTC114TE-7-F?
For technical support, including DDTC114TE-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDTC114TE-7-F requirements.
6.How does Aetrix verify that DDTC114TE-7-F is sourced from the original manufacturer or authorized distributors?
All DDTC114TE-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 DDTC114TE-7-F meets industry standards.
7.What is the process for return or replacement of DDTC114TE-7-F?
All DDTC114TE-7-F units undergo pre-shipment inspection (PSI). If there is an issue with DDTC114TE-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 DDTC114TE-7-F part is unused and in its original packaging.
Return procedure for DDTC114TE-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDTC114TE-7-F Tags
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MUN5211T1G
onsemi
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DTC043ZEBTL
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DTC114EKAT146
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DDTD113ZC-7-F
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MMUN2211LT1G
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