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Nexperia USA Inc. PDTC143EQB-QZ

Part No.:
PDTC143EQB-QZ
Manufacturer:
Nexperia USA Inc.
Category:
Single, Pre-Biased Bipolar Transistors
Package:
3-XDFN Exposed Pad
Datasheet:
AetrixPDTC143EQB-QZ.pdf
Description:
TRANS PREBIAS NPN 50V 0.1A 3DFN
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:5,000

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Product details

Overview

PDTC143EQB-Q from Nexperia is a 50 V, 100 mA NPN resistor-equipped transistor (RET) in a DFN1110D-3 (SOT8015) leadless package with side-wettable flanks, featuring integrated 4.7 kΩ base resistors (R1 = R2), 100 mV VCE(sat) at IC = 10 mA / IB = 0.5 mA, and AEC-Q101 qualification for automotive digital switching applications.

For engineers reviewing the PDTC143EQB-Q datasheet, PDTC143EQB-Q pinout, PDTC143EQB-Q application, or PDTC143EQB-Q equivalent, this device serves as a space-optimized, AOI-compatible replacement for discrete BJT + resistor networks in IC input control and low-power load switching circuits where board area, assembly cost, and automotive reliability are critical.

Technical Context

This NPN RET integrates two precision-matched 4.7 kΩ bias resistors to form a monolithic current-limiting input stage, eliminating external base resistors and reducing PCB footprint by >50% versus BC847-Q-based solutions. Its DFN1110D-3 package enables automated optical inspection of solder joints via side-wettable flanks.

The device operates with a typical DC current gain (hFE) of 30 at VCE = 5 V and IC = 10 mA, supports off-state input voltage up to 0.5 V (typical) and on-state input voltage of 1.9 V (typical) at IC = 20 mA, and maintains stable performance across −40 °C to +150 °C junction temperature range.

Key Specifications

Parameter Value and Actual Design Meaning
VCEO 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive and industrial logic-level switching rails.
IO 100 mA - Continuous output current capability; sufficient for driving LED indicators, small relays, and logic inputs.
VCE(sat) 100 mV max at IC = 10 mA / IB = 0.5 mA - Low saturation voltage minimizes power loss and self-heating in high-duty-cycle switching.
R1 / R2 4.7 kΩ each - Integrated base bias resistors eliminate need for two external SMT resistors, reducing BOM count and placement time.
Package DFN1110D-3 (SOT8015) - 1.1 × 1.0 × 0.48 mm ultra-thin leadless package with side-wettable flanks for reliable reflow and AOI verification.
AEC-Q101 Qualified - Meets stress test requirements for discrete semiconductors in automotive applications, including temperature cycling and HTRB.

Pinout & Package

DFN1110D-3 (SOT8015) is a 3-terminal, leadless, ultra-thin surface-mount package with side-wettable flanks for automated optical inspection. Dimensions: 1.1 mm × 1.0 mm × 0.48 mm body height; 0.65 mm pitch; 0.5 mm max overall height.

Pin/Terminal Circuit Role Design Meaning
1 Input (base) Accepts logic-level drive signal; internal R1 connects this pin to transistor base, enabling single-pin control without external pull-up/down.
2 GND (emitter) Emitter terminal tied to system ground; serves as common reference for both bias network and output path.
3 Output (collector) Switched output node; sinks up to 100 mA when driven high at Pin 1; used to control loads referenced to VCC.

Key Features

Feature Design Value
Integrated R1/R2 bias network Matched 4.7 kΩ resistors reduce component count by two and eliminate resistor matching tolerance in digital switch design.
Side-wettable flanks Enables reliable Automated Optical Inspection (AOI) of solder joints without X-ray, improving manufacturing yield in high-volume automotive assembly.
Ultra-low profile 0.48 mm body height and 0.5 mm max total height allow use in space-constrained modules such as ADAS sensor housings and infotainment controllers.
AEC-Q101 qualification Validated for automotive under-hood and cabin applications per stress test requirements including HTGB, HTRB, and temperature cycling.

Applications

Automotive Body Control Module (BCM) Industrial PLC Digital Input Stage

Use Scenario: Switching 12 V indicator LEDs and solenoid drivers in door module PCBs with strict height and thermal constraints.

IC Role / Device Role / Timing Role: NPN switch controlling grounded-side loads; replaces discrete BJT + dual-resistor network.

Use Value: Reduces PCB area by 0.8 mm² per channel and eliminates two pick-and-place operations while maintaining AEC-Q101 compliance.

Use Scenario: Level-shifting and conditioning 24 V field signals into 3.3 V/5 V microcontroller GPIO pins in DIN-rail mounted controllers.

IC Role / Device Role / Timing Role: Digital input buffer with built-in current limiting; provides ESD-robust interface between noisy industrial bus and sensitive logic.

Use Value: Eliminates need for external series resistor and pull-down, simplifying layout and improving noise immunity over discrete alternatives.

Consumer Appliance Control Board Medical Diagnostic Equipment Interface

Use Scenario: Driving status LEDs and small relays on compact white-goods control boards where thickness must stay below 1.0 mm.

IC Role / Device Role / Timing Role: Low-power load switch activated by MCU GPIO; operates in 0–70 °C ambient with minimal self-heating.

Use Value: 0.48 mm package height enables conformal coating over top surface without interference; 100 mV VCE(sat) limits power dissipation to <10 mW at 10 mA.

Use Scenario: Isolating and conditioning sensor enable lines in portable diagnostic devices requiring low leakage and long-term reliability.

IC Role / Device Role / Timing Role: Signal-controlled switch enabling analog front-end circuitry only during measurement cycles.

Use Value: ICEO ≤ 100 nA at 30 V ensures negligible standby current; AEC-Q101 qualification supports extended product lifecycle and regulatory traceability.

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
PDTC114EQB-Q R1 = R2 = 10 kΩ; higher input impedance; lower IC drive capability (10 mA typ. at same VIN) Better suited for high-impedance MCU outputs or battery-powered systems needing reduced input current Select when driving from weak-sourcing GPIO or optimizing for <1 µA standby input current.
BC847B-Q Discrete NPN BJT without integrated resistors; requires external base resistor network; larger SOT23 footprint Offers higher hFE (200 min) and wider VCEO margin (65 V), but increases BOM and layout complexity Choose when precise bias tuning or higher gain is required, and board area is not constrained.

Compared with PDTC114EQB-Q, PDTC143EQB-Q delivers stronger drive (lower R1/R2) for faster switching and higher load current, while BC847B-Q offers greater flexibility in bias design at the cost of two extra passives and 3× larger footprint.

Availability

PDTC143EQB-Q is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, consumer appliance control boards, and medical diagnostic equipment interfaces requiring stable component supply, AEC-Q101 compliance, and ultra-compact packaging.

Supply support for PDTC143EQB-Q 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, logic, and MOSFET components for automotive, industrial, and consumer markets.

PDTC143EQB-Q belongs to Nexperia's AEC-Q101-qualified resistor-equipped transistor (RET) family, engineered specifically to replace discrete BJT + resistor combinations in space- and cost-sensitive digital switching applications.

FAQ

What is the maximum continuous collector current for PDTC143EQB-Q?

The maximum continuous collector current is 100 mA under standard FR4 PCB mounting conditions (single-sided, 35 µm copper). Derating applies above 25 °C ambient: power dissipation drops linearly to zero at 150 °C junction temperature, with 340 mW absolute maximum at Tamb ≤ 25 °C.

Can PDTC143EQB-Q be used as a direct replacement for BC847B in existing designs?

No - PDTC143EQB-Q is not a pin-compatible drop-in replacement due to its 3-pin DFN1110D-3 package and integrated bias resistors. It replaces the BC847B *plus two external resistors*, requiring PCB layout revision but reducing total component count and assembly steps.

Does PDTC143EQB-Q support reflow soldering with standard lead-free profiles?

Yes - the DFN1110D-3 package is qualified for standard JEDEC J-STD-020 lead-free reflow profiles. Recommended stencil thickness is 0.1 mm, and the side-wettable flanks ensure reliable solder joint formation and AOI detectability without requiring special process adjustments.

What is the typical off-state input voltage threshold (VI(off)) for reliable turn-off?

The typical off-state input voltage is 0.5 V at VCE = 5 V and IC = 100 µA, with a maximum of 1.1 V. This ensures robust immunity against noise-induced turn-on in automotive environments where GPIO leakage or crosstalk may reach ~0.4 V.

PDTC143EQB-QZ Specifications

Product attributes
Attribute value
Manufacturer:
Nexperia USA Inc.
Series:
-
Package/Case:
3-XDFN Exposed Pad
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):
4.7 kOhms
Resistor - Emitter Base (R2):
4.7 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:
30 @ 10mA, 5V
Vce Saturation (Max) @ Ib, Ic:
150mV @ 500µA, 10mA
Current - Collector Cutoff (Max):
1µA
Frequency - Transition:
230 MHz
Power - Max:
-
Grade:
Automotive
Qualification:
AEC-Q101
Mounting Type:
Surface Mount, Wettable Flank
Supplier Device Package:
DFN1110D-3

PDTC143EQB-QZ FAQ

1.How can I place an order for PDTC143EQB-QZ through Aetrix?

Please submit a Request for Quotation (RFQ) for PDTC143EQB-QZ 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 PDTC143EQB-QZ reliable?

The price and inventory of PDTC143EQB-QZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PDTC143EQB-QZ is usually 5 days.

3.What payment methods are accepted for PDTC143EQB-QZ?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PDTC143EQB-QZ transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PDTC143EQB-QZ?

PDTC143EQB-QZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PDTC143EQB-QZ 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 PDTC143EQB-QZ?

For technical support, including PDTC143EQB-QZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PDTC143EQB-QZ requirements.

6.How does Aetrix verify that PDTC143EQB-QZ is sourced from the original manufacturer or authorized distributors?

All PDTC143EQB-QZ 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 PDTC143EQB-QZ meets industry standards.

7.What is the process for return or replacement of PDTC143EQB-QZ?

All PDTC143EQB-QZ units undergo pre-shipment inspection (PSI). If there is an issue with PDTC143EQB-QZ, 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 PDTC143EQB-QZ part is unused and in its original packaging.

Return procedure for PDTC143EQB-QZ:

1.Submit a request within 90 days.

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

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