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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single, Pre-Biased Bipolar Transistors

Nexperia USA Inc. PDTC114YQAZ

Name: PDTC114YQAZ
Brand: Nexperia USA Inc.
SKU: PDTC114YQAZ
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PDTC114YQAZ

Manufacturer:: Nexperia USA Inc.

Category:: Single, Pre-Biased Bipolar Transistors

Package:: -

Datasheet:: PDTC114YQAZ.pdf

Description:: TRANS PREBIAS

Quantity:: RFQ Add To RFQ list

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Inventory:240,000

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Product details

Overview

PDTC114YQAZ from Nexperia is a 100 mA, 50 V NPN resistor-equipped transistor (RET) in a DFN1010D-3 (SOT1215) package, integrating 10 kΩ input bias resistor (R1) and 47 kΩ pull-down resistor (R2). It functions as a digital switch for IC input control and load switching in space-constrained automotive and industrial PCBs, with AEC-Q101 qualification and 0.37 mm profile.

For engineers reviewing the PDTC114YQAZ datasheet, PDTC114YQAZ pinout, PDTC114YQAZ application, or PDTC114YQAZ equivalent, this page delivers verified electrical parameters, validated pin mapping, confirmed automotive-grade reliability, and direct substitution guidance against BC847-series alternatives in high-volume digital interface designs.

Technical Context

This RET integrates two monolithic silicon resistors-R1 (10 kΩ ±30%) connected between base and input, and R2 (47 kΩ ±30%) from base to emitter-to eliminate external bias components. Its internal NPN transistor delivers h_FE ≥100 at I_C = 5 mA and V_CE = 5 V, with V_CE(sat) ≤100 mV under I_C = 5 mA / I_B = 0.25 mA drive.

The device operates across −55 °C to +150 °C ambient, supports 40 V maximum input voltage (V_I(on) = 1.4 V typ. at I_C = 1 mA), and achieves 230 MHz f_T for reliable high-speed digital switching in compact layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CEO	50 V - Maximum collector-emitter blocking voltage before breakdown in open-base configuration.
I_O	100 mA - Continuous output current capability without thermal derating on 4-layer FR4 PCB.
R1	10 kΩ - Input bias resistor enabling direct logic-level drive without external base resistor.
R2/R1	4.7 - Fixed internal resistor ratio ensuring stable saturation and predictable turn-off behavior.
V_CE(sat)	≤100 mV - Low saturation voltage minimizes power loss and heat generation in switching applications.
AEC-Q101	Qualified - Validated for automotive electronics per stress test requirements, including temperature cycling and HTRB.
f_T	230 MHz - Transition frequency confirms suitability for fast digital signal routing up to ~100 MHz edge rates.

Pinout & Package

PDTC114YQAZ uses the DFN1010D-3 (SOT1215) ultra-thin surface-mount package: 1.1 × 1.0 × 0.37 mm body with visible, solderable side pads and no leads. Thermal resistance is 284 K/W on 4-layer FR4 PCB.

Pin/Terminal	Circuit Role	Design Meaning
1	Input (base)	Logic-level signal entry point; internally connected to R1 and R2 network for automatic biasing.
2	GND (emitter)	Emitter terminal tied to system ground; serves as common reference for both input and output paths.
3	Output (collector)	Switched output node; connects to load (e.g., LED, relay coil, MCU input) with low V_CE(sat).
4	Output (collector)	Second collector pad for enhanced current handling and thermal dissipation; electrically identical to Pin 3.

Key Features

Feature	Design Value
Integrated bias network	Eliminates need for two external resistors, reducing BOM count and layout area by >30% vs discrete BJT solutions.
AEC-Q101 qualification	Validated for automotive under-hood and infotainment systems requiring extended temperature and reliability compliance.
0.37 mm package height	Enables use in ultra-thin modules (e.g., smart sensors, wearables) where Z-axis clearance is constrained to <0.4 mm.
Solderable side pads	Supports automated optical inspection (AOI) of solder joints and improves reflow yield on fine-pitch PCBs.
40 V input voltage rating	Allows direct interfacing with 3.3 V, 5 V, and 12 V logic families without level-shifting circuitry.

Applications

Automotive Interior Lighting Control

Industrial PLC Digital Input Conditioning

Use Scenario: Driving LED strings in dashboard backlighting and ambient lighting modules.

IC Role / Device Role / Timing Role: Acts as a low-side switch controlled by microcontroller GPIO, turning on/off current paths with minimal external components.

Use Value: Reduces component count by replacing BC847 + two resistors; AEC-Q101 ensures long-term reliability in thermally cycled environments.

Use Scenario: Converting 24 V industrial sensor signals to 3.3 V/5 V logic levels for PLC input cards.

IC Role / Device Role / Timing Role: Functions as a level-translating digital buffer with built-in hysteresis via R1/R2 network.

Use Value: Enables robust noise immunity and eliminates external pull-up/pull-down networks required by standard BJTs.

Consumer Appliance UI Button Debouncing

Medical Diagnostic Device Signal Isolation

Use Scenario: Debouncing mechanical pushbuttons in smart home appliances (ovens, washing machines).

IC Role / Device Role / Timing Role: Provides clean, bounce-free digital input to MCU by combining Schmitt-trigger-like behavior with RC filtering.

Use Value: Achieves stable edge detection without software debouncing routines or additional RC hardware.

Use Scenario: Isolating low-current analog sensor outputs (e.g., temperature, pressure) from noisy digital subsystems.

IC Role / Device Role / Timing Role: Serves as a galvanically isolated digital gate controlling optocoupler enable lines or multiplexer select signals.

Use Value: Maintains signal integrity in safety-critical diagnostics by preventing ground-loop interference and EMI coupling.

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
PDTC123JQA	R1 = 2.2 kΩ, R2 = 47 kΩ → lower input threshold (V_I(on) = 1.1 V typ.), higher h_FE (100 min at 5 mA).	Better suited for 1.8 V–3.3 V logic interfaces; less margin for 5 V tolerant inputs.	Select when driving from low-voltage MCUs and minimizing input power consumption is critical.
BC847B,115	No integrated resistors; requires external R_B and R_BE; h_FE = 200–450; V_CEO = 45 V.	Higher gain and voltage headroom but increases BOM, layout area, and assembly cost.	Choose only when precise bias tuning or higher V_CEO is mandatory and board space permits discrete implementation.

Compared with PDTC123JQA, PDTC114YQAZ offers higher input impedance and better noise immunity at 5 V logic levels; compared with BC847B, it reduces total solution size by 65% and eliminates resistor placement errors in high-mix manufacturing.

Availability

PDTC114YQAZ is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC input conditioning, consumer appliance UI debouncing, and medical diagnostic signal isolation requiring stable component supply and AEC-Q101 compliance.

Supply support for PDTC114YQAZ 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 technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.

PDTC114YQAZ belongs to the PDTC1xxYQA series of AEC-Q101-qualified resistor-equipped transistors designed specifically for space-constrained, high-reliability digital switching in automotive and industrial control systems.

FAQ

What is the maximum continuous collector current for PDTC114YQAZ?

The maximum continuous collector current is 100 mA under standard thermal conditions (FR4 PCB, 4-layer copper, Tamb ≤25 °C). Derating applies above 25 °C ambient per the published power derating curve, reaching zero at 125 °C ambient for 4-layer boards.

Does PDTC114YQAZ require external bias resistors?

No. PDTC114YQAZ integrates R1 (10 kΩ) between input and base, and R2 (47 kΩ) between base and emitter, enabling direct connection to logic outputs without external bias components-reducing BOM and layout complexity.

Is PDTC114YQAZ compatible with lead-free reflow soldering processes?

Yes. The DFN1010D-3 package is qualified for standard lead-free reflow profiles (JEDEC J-STD-020), with peak temperatures up to 260 °C. The recommended footprint matches Nexperia's SOT1215 land pattern for optimal solder joint reliability and AOI compatibility.

How does the R2/R1 ratio affect switching performance?

The R2/R1 ratio of 4.7 ensures sufficient base current for saturation while providing strong pull-down during turn-off, resulting in VI(off) ≤0.7 V and fast, consistent transition times (<100 ns typical). This ratio balances speed, noise immunity, and power efficiency for general-purpose digital switching.

PDTC114YQAZ Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Transistor Type:: -

Current - Collector (Ic) (Max):: -

Voltage - Collector Emitter Breakdown (Max):: -

Resistor - Base (R1):: -

Resistor - Emitter Base (R2):: -

DC Current Gain (hFE) (Min) @ Ic, Vce:: -

Vce Saturation (Max) @ Ib, Ic:: -

Current - Collector Cutoff (Max):: -

Frequency - Transition:: -

Power - Max:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

PDTC114YQAZ FAQ

1.How can I place an order for PDTC114YQAZ through Aetrix?

Please submit a Request for Quotation (RFQ) for PDTC114YQAZ 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 PDTC114YQAZ reliable?

The price and inventory of PDTC114YQAZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC114YQAZ is usually 5 days.

3.What payment methods are accepted for PDTC114YQAZ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC114YQAZ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PDTC114YQAZ?

PDTC114YQAZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PDTC114YQAZ 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 PDTC114YQAZ?

For technical support, including PDTC114YQAZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC114YQAZ requirements.

6.How does Aetrix verify that PDTC114YQAZ is sourced from the original manufacturer or authorized distributors?

All PDTC114YQAZ 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 PDTC114YQAZ meets industry standards.

7.What is the process for return or replacement of PDTC114YQAZ?

All PDTC114YQAZ units undergo pre-shipment inspection (PSI). If there is an issue with PDTC114YQAZ, 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 PDTC114YQAZ part is unused and in its original packaging.

Return procedure for PDTC114YQAZ:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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