Nexperia USA Inc. PDTD114EUX
- Part No.:
- PDTD114EUX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
PDTD114EUX.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT323
- Quantity:
- Payment:

- Shipping:

Inventory:2,870
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Product details
Overview
PDTD114EUX from Nexperia is a 500 mA, 50 V NPN resistor-equipped transistor (RET) in SOT323 (SC-70) package, integrating 10 kΩ input bias resistor R1 and 10 kΩ base-emitter resistor R2 with ±10% tolerance. It functions as a single-chip digital switch for logic-level-driven loads, simplifying PCB layout by eliminating external bias resistors. Used in automotive body control modules for LED indicator drivers and relay interface circuits requiring AEC-Q101 qualification.
For engineers reviewing the PDTD114EUX datasheet, PDTD114EUX pinout, PDTD114EUX application, or PDTD114EUX equivalent, key selection criteria include its 10 kΩ/10 kΩ resistor ratio, 70× DC current gain at 50 mA, 100 mV VCE(sat), −10 V to +50 V input voltage range, and operation up to 175 °C junction temperature.
Technical Context
This RET integrates an NPN transistor with two monolithically embedded thin-film resistors: R1 (10 kΩ) between input and base, and R2 (10 kΩ) between base and emitter. The 1:1 R2/R1 ratio enables predictable turn-on behavior with logic-compatible VI(on) of 1.0–1.9 V at IC = 20 mA and VI(off) of 0.6–1.0 V at IC = 100 µA.
It operates as a saturated switch under IC ≤ 500 mA and VCEO ≤ 50 V, with thermal resistance Rth(j-a) of 353 K/W on 4-layer FR4 PCB. Its AEC-Q101 qualification confirms suitability for automotive ambient temperatures from −55 °C to +175 °C and storage conditions matching.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; supports 24 V automotive systems with margin. |
| IO | 500 mA - Continuous output current capability; sufficient for driving small relays or LED strings. |
| R1 / R2 | 10 kΩ / 10 kΩ - Precise integrated bias network eliminates 2 external resistors and reduces BOM count. |
| hFE | 70 - DC current gain at VCE = 5 V, IC = 50 mA; ensures reliable saturation with low base drive. |
| VCE(sat) | 100 mV - Low saturation voltage minimizes power loss and self-heating during switching. |
| Tj(max) | 175 °C - Maximum junction temperature; enables use in under-hood automotive environments. |
| VI(on) | 1.0–1.9 V - On-state input voltage range at IC = 20 mA; compatible with 1.8 V, 3.3 V, and 5 V logic families. |
Pinout & Package
SOT323 (SC-70) plastic surface-mounted package: 1.35 mm × 1.15 mm × 0.45 mm footprint, 3-terminal leadless construction optimized for high-density PCBs and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base via R1) | Logic signal entry point; current-limited through internal 10 kΩ resistor to prevent overdrive. |
| 2 | GND (emitter) | Reference node for input and output; connects directly to system ground plane for stable biasing. |
| 3 | Output (collector) | Switched load connection; handles up to 500 mA sink current with <100 mV drop at rated load. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Monolithic 10 kΩ R1 + 10 kΩ R2 eliminates discrete resistors and improves layout reproducibility. |
| AEC-Q101 qualification | Validated for automotive applications including temperature cycling, humidity testing, and ESD robustness. |
| High-temperature operation | Rated for continuous operation at Tamb = +175 °C; suitable for engine compartment electronics. |
| Low VCE(sat) | 100 mV at IC = 50 mA ensures <5 mW conduction loss per switch, reducing thermal stress. |
| Logic-compatible input | VI(on) ≤ 1.9 V and VI(off) ≥ 0.6 V enable direct interfacing with microcontrollers without level-shifting. |
Applications
| Automotive LED Signaling | Industrial PLC Output Stage |
|---|---|
|
Use Scenario: Driving amber turn-signal LEDs in vehicle exterior lighting modules. IC Role / Device Role / Timing Role: Digital switch controlling current path from 12 V supply to LED string; operates in static ON/OFF mode. Use Value: Eliminates 2 external resistors per channel, reduces PCB area by 1.2 mm², and meets AEC-Q101 vibration and thermal requirements. |
Use Scenario: Isolating microcontroller GPIO pins from 24 V DC solenoid loads in factory automation I/O modules. IC Role / Device Role / Timing Role: Level-translating driver providing galvanic separation between logic and power domains. Use Value: Enables direct 3.3 V MCU control of 24 V industrial actuators with <100 mV dropout and no external bias components. |
| Consumer Appliance Control | Medical Diagnostic Equipment |
|
Use Scenario: Switching status indicator LEDs and buzzer drivers in smart home thermostats. IC Role / Device Role / Timing Role: Low-power digital output buffer handling intermittent 50 mA pulses for visual/audio feedback. Use Value: Reduces bill-of-materials cost by $0.012/unit versus discrete BJT + resistor solution while improving assembly yield. |
Use Scenario: Enabling/disabling sensor bias supplies in portable ultrasound probe front-end circuitry. IC Role / Device Role / Timing Role: Precision-controlled power gate ensuring clean startup/shutdown sequencing of analog subsystems. Use Value: Guarantees <1 µA leakage (ICEO ≤ 0.5 µA) during standby, preserving battery life in Class II medical devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN resistor-equipped transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PDTB114EU | PNP complement with identical R1/R2 values (10 kΩ/10 kΩ), same SOT323 package, but inverted polarity. | Used where high-side switching or complementary logic buffering is required instead of low-side sink switching. | Select when sourcing current from VCC is needed; not interchangeable without circuit redesign. |
| BC847BW | Standard NPN BJT (no built-in resistors); requires two external 10 kΩ bias resistors; hFE = 110–800 (wider spread). | Suitable for precision analog amplification or variable-gain stages where RET fixed bias is inappropriate. | Choose only if design requires adjustable base current or higher hFE tolerance; adds 2 passives and layout complexity. |
Compared with PDTB114EU, PDTD114EUX provides low-side switching with tighter resistor tolerance (±10% vs. typical ±20% for discrete solutions), while BC847BW demands external biasing and offers no AEC-Q101 assurance-making PDTD114EUX optimal for cost-sensitive, space-constrained automotive digital I/O.
Availability
PDTD114EUX is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, consumer appliance indicators, and medical diagnostic equipment requiring stable component supply across extended temperature ranges.
Supply support for PDTD114EUX 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
Nexperia is a global semiconductor expert focused on essential semiconductors for efficient power management, logic, and analog functions in automotive, industrial, and consumer markets.
PDTD114EUX belongs to the PDTD1xxxU series of AEC-Q101-qualified resistor-equipped transistors designed specifically for replacing discrete BJT-resistor combinations in automotive body electronics and industrial control I/O interfaces.
FAQ
What is the maximum allowable input voltage for PDTD114EUX?
The absolute maximum input voltage (VI) is −10 V to +50 V, as specified in Table 6 of the datasheet. This wide range allows direct connection to 24 V automotive rails or 5 V logic without clamping diodes, provided current into pin 1 remains limited by the internal 10 kΩ R1 resistor.
Does PDTD114EUX require external base resistors?
No. PDTD114EUX integrates both R1 (10 kΩ) and R2 (10 kΩ) internally, eliminating the need for external bias resistors. This reduces PCB area, assembly steps, and BOM count while improving consistency across production units.
Can PDTD114EUX be used in high-frequency switching applications?
Its transition frequency fT is 225 MHz, but it is optimized for DC and low-frequency switching (≤100 kHz). For PWM dimming above 20 kHz, verify VCE(sat) stability and thermal rise under actual load conditions using the transient thermal impedance curves in Figure 2.
Is PDTD114EUX pin-compatible with other PDTD1xxxU series devices?
Yes-all PDTD1xxxU variants share identical SOT323 pinout (pin 1 = input, pin 2 = emitter/GND, pin 3 = collector) and mechanical footprint. Substituting PDTD114EUX with PDTD143EU or PDTD123YU only requires verifying R1/R2 values match system drive requirements.
PDTD114EUX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- NPN - Pre-Biased
- Current - Collector (Ic) (Max):
- 500 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:
- 70 @ 50mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 100mV @ 2.5mA, 50mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 225 MHz
- Power - Max:
- 300 mW
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
PDTD114EUX FAQ
1.How can I place an order for PDTD114EUX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTD114EUX 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 PDTD114EUX reliable?
The price and inventory of PDTD114EUX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTD114EUX is usually 5 days.
3.What payment methods are accepted for PDTD114EUX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTD114EUX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTD114EUX?
PDTD114EUX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTD114EUX 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 PDTD114EUX?
For technical support, including PDTD114EUX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTD114EUX requirements.
6.How does Aetrix verify that PDTD114EUX is sourced from the original manufacturer or authorized distributors?
All PDTD114EUX 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 PDTD114EUX meets industry standards.
7.What is the process for return or replacement of PDTD114EUX?
All PDTD114EUX units undergo pre-shipment inspection (PSI). If there is an issue with PDTD114EUX, 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 PDTD114EUX part is unused and in its original packaging.
Return procedure for PDTD114EUX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTD114EUX Tags

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MUN5211T1G
onsemi

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DTC043ZEBTL
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DTC114EKAT146
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DRDNB16W-7
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PDTC114ET,215
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