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Nexperia USA Inc. PDTD114EU-QX
- Part No.:
- PDTD114EU-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
PDTD114EU-QX.pdf
- Description:
- PDTD114EU-Q/SOT323/SC-70
- Quantity:
- Payment:
- Shipping:
Inventory:4,781
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Product details
Overview
PDTD114EU-QX from Nexperia is an AEC-Q101-qualified NPN resistor-equipped transistor (RET) in SOT323 (SC-70) package, designed for automotive digital switching. It delivers 500 mA output current, features integrated 10 kΩ input bias resistor and 1:1 R2/R1 ratio, and operates up to 175 °C junction temperature in load-switching and IC-input control applications.
For engineers reviewing the PDTD114EU-QX datasheet, PDTD114EU-QX pinout, PDTD114EU-QX application, or PDTD114EU-QX equivalent, this page provides verified pin functions, thermal derating curves, automotive qualification status, built-in resistor tolerance (±10 %), and direct substitution guidance versus BC817-series discrete solutions.
Technical Context
This RET integrates a monolithic NPN transistor with two on-die bias resistors - R1 (10 kΩ nominal) connected between base and input, and R2 (10 kΩ nominal) between base and emitter - enabling single-resistor drive logic-level interfacing. Its 50 V VCEO and 500 mA IO support robust switching of moderate-current loads in 12 V/24 V automotive subsystems.
The device exhibits 100 nA ICBO, 0.5 µA ICEO, and 70 minimum hFE at 50 mA/5 V, with 100 mV VCE(sat) at IC = 50 mA/IB = 2.5 mA. Its 225 MHz fT and 7 pF Cc confirm suitability for medium-speed digital switching rather than RF or analog amplification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive power domains with margin. |
| IO | 500 mA - Continuous output current rating; supports driving relays, LEDs, or logic inputs without external current limiting. |
| R1 | 10 kΩ (7–13 kΩ) - Input bias resistor value; sets base current for logic-level TTL/CMOS drive compatibility. |
| R2/R1 | 1.0 ±0.1 - Matched internal resistor ratio; ensures stable turn-on threshold and predictable VI(on)/VI(off) behavior. |
| Tj(max) | 175 °C - Maximum junction temperature; qualified per AEC-Q101 for under-hood automotive environments. |
| Ptot | 425 mW (4-layer PCB) - Total power dissipation limit; defines thermal design envelope for sustained 500 mA operation. |
| VI(on) | 1.9 V (typ) at IC = 20 mA - On-state input voltage; confirms reliable activation from 3.3 V or 5 V microcontroller GPIOs. |
Pinout & Package
SOT323 (SC-70) plastic surface-mount package: 3-pin, 1.3 mm pitch, 2.0 mm × 1.25 mm × 0.95 mm body, optimized for high-density automotive PCB layouts and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input (base node) | Connects to external control signal; internally tied to R1 top and R2 top - accepts logic-level voltage drive. |
| 2 | Ground (emitter) | Emitter terminal and reference node for internal resistors; must be connected to system ground or low-side return path. |
| 3 | Output (collector) | Switched high-side output node; connects to load (e.g., relay coil, LED anode) referenced to supply rail. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated R1 + R2 bias network | Eliminates need for two external resistors, reducing BOM count and PCB area in digital switch designs. |
| ±10 % R2/R1 tolerance | Ensures consistent VI(on) and VI(off) thresholds across production lots, critical for deterministic logic interfacing. |
| AEC-Q101 qualification | Validated for automotive-grade reliability including HTOL, TC, ESD, and mechanical stress testing per JEDEC standards. |
| 175 °C maximum junction temperature | Supports placement near heat sources (e.g., ECUs, motor drivers) without derating or thermal shutdown. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Output Stage |
|---|---|
Use Scenario: Switching 12 V solenoid valves and indicator LEDs in door lock, lighting, and wiper subsystems. IC Role / Device Role / Timing Role: High-side load switch controlled by 3.3 V MCU GPIO with no external bias components. Use Value: Reduces component count by two resistors per channel and maintains AEC-Q101 compliance across full temperature range. | Use Scenario: Driving optocoupler inputs and small relays in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Level-shifting and current amplification stage between low-voltage logic and 24 V industrial field wiring. Use Value: Enables compact, thermally robust output modules with guaranteed 500 mA drive capability at 70 °C ambient. |
| Automotive Infotainment Power Sequencing | Consumer Appliance Microcontroller Interface |
Use Scenario: Enabling/disabling power rails (e.g., audio amplifier, display backlight) during boot-up and sleep transitions. IC Role / Device Role / Timing Role: Controlled enable switch with fast VI(on)/VI(off) response (<100 ns propagation delay implied by fT = 225 MHz). Use Value: Ensures clean power sequencing without voltage glitches, leveraging built-in resistor matching for repeatable timing margins. | Use Scenario: Interfacing 3.3 V IoT microcontrollers to legacy 5 V peripheral logic inputs (e.g., sensor enable lines, reset signals). IC Role / Device Role / Timing Role: Logic-level translator and current buffer replacing discrete BJT + resistor combinations. Use Value: Lowers assembly cost and improves yield by eliminating manual resistor placement and solder joint variability. |
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 |
|---|---|---|---|
| BC817-40 | Discrete NPN BJT requiring two external bias resistors; no integrated R2; hFE = 250–630 (wider spread); no AEC-Q101 qualification. | Requires additional PCB area and assembly steps; not approved for automotive safety-critical modules. | Select when cost-per-unit is prioritized over design simplicity and automotive qualification. |
| PDTB113ZQ | Same SOT323 package but PNP RET with 10 kΩ R1 and 100 kΩ R2 (R2/R1 = 10); VCEO = 50 V; IO = 100 mA. | Limited to low-current sink applications; unsuitable for 500 mA loads or high-side switching. | Select only for complementary low-side switching where lower current and inverted logic are acceptable. |
Compared with BC817-40 and PDTB113ZQ, PDTD114EU-QX uniquely combines AEC-Q101 qualification, 500 mA drive, matched 1:1 bias resistors, and SOT323 footprint - making it the only drop-in solution for automotive-grade, high-current, single-GPIO-controlled switching without redesign.
Availability
PDTD114EU-QX is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, and consumer appliance microcontroller interfaces requiring stable component supply, AEC-Q101 compliance, and SMT-compatible packaging.
Supply support for PDTD114EU-QX 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 efficiency-enhancing components, delivering high-performance, reliable, and scalable devices for automotive, industrial, and consumer markets.
PDTD114EU-QX belongs to Nexperia's Automotive Qualified Resistor-Equipped Transistor (RET) product line, engineered specifically to replace discrete BJT + resistor circuits in automotive digital switching while meeting stringent AEC-Q101 reliability and thermal requirements.
FAQ
What is the maximum continuous current PDTD114EU-QX can switch reliably?
The device is rated for 500 mA continuous output current (IO) under specified thermal conditions - specifically when mounted on a 4-layer FR4 PCB with tin-plated copper. At 25 °C ambient, its 425 mW total power dissipation allows sustained 500 mA operation with ≤100 mV VCE(sat), provided board layout meets Nexperia's recommended footprint and copper area guidelines.
Does PDTD114EU-QX require external bias resistors?
No. PDTD114EU-QX integrates both R1 (10 kΩ) and R2 (10 kΩ) on-die, forming a complete bias network between input (pin 1), emitter (pin 2), and collector (pin 3). This eliminates the need for external base resistors, simplifying schematic capture, reducing BOM count, and improving manufacturing yield in high-volume automotive PCB assembly.
Is PDTD114EU-QX pin-compatible with standard SOT-23 transistors?
No. PDTD114EU-QX uses the smaller SOT323 (SC-70) package with 1.3 mm lead pitch and 2.0 mm × 1.25 mm body size - distinct from SOT-23's 2.3 mm × 1.3 mm body and 1.9 mm pitch. Its pin 1–2–3 assignment (Input–GND–Output) also differs from typical SOT-23 BJT pinouts (e.g., E–B–C), requiring dedicated land pattern and schematic symbol.
How does the R2/R1 ratio affect switching behavior?
The 1.0 ±0.1 R2/R1 ratio directly determines the device's VI(on) and VI(off) thresholds: a matched ratio ensures symmetrical turn-on/turn-off voltage windows (1.0–3.0 V on, 0.6–1.5 V off), minimizing shoot-through risk in push-pull configurations and enabling clean logic-level interfacing without hysteresis components.
PDTD114EU-QX 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-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
PDTD114EU-QX FAQ
1.How can I place an order for PDTD114EU-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PDTD114EU-QX 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 PDTD114EU-QX reliable?
The price and inventory of PDTD114EU-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTD114EU-QX is usually 5 days.
3.What payment methods are accepted for PDTD114EU-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTD114EU-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PDTD114EU-QX?
PDTD114EU-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PDTD114EU-QX 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 PDTD114EU-QX?
For technical support, including PDTD114EU-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTD114EU-QX requirements.
6.How does Aetrix verify that PDTD114EU-QX is sourced from the original manufacturer or authorized distributors?
All PDTD114EU-QX 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 PDTD114EU-QX meets industry standards.
7.What is the process for return or replacement of PDTD114EU-QX?
All PDTD114EU-QX units undergo pre-shipment inspection (PSI). If there is an issue with PDTD114EU-QX, 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 PDTD114EU-QX part is unused and in its original packaging.
Return procedure for PDTD114EU-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PDTD114EU-QX Tags
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MUN5211T1G
onsemi
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DTC043ZEBTL
Rohm Semiconductor
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DTC114EKAT146
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DDTD113ZC-7-F
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DRDNB16W-7
Diodes Incorporated
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PDTC114ET,215
Nexperia USA Inc.
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MMUN2211LT1G
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