Nexperia USA Inc. PDTB114EUF

Overview

PDTB114EUF from Nexperia is a 500 mA, 50 V PNP 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 % ratio tolerance. It delivers −100 mV V_CE(sat) at −50 mA/−2.5 mA drive, supports −50 V V_CEO, and operates up to 175 °C ambient - used for high-reliability digital switching in automotive body control modules.

For engineers reviewing the PDTB114EUF datasheet, PDTB114EUF pinout, PDTB114EUF application, or PDTB114EUF equivalent, this page provides verified electrical parameters, thermal derating curves, AEC-Q101 qualification status, and direct substitution guidance against BC807-40 and PMMBT3906 for discrete logic-level load switching.

Technical Context

This PNP RET integrates two precision thin-film resistors (R1 = 10 kΩ, R2 = 10 kΩ) directly on-die to form a monolithic bias network, eliminating external components while maintaining 70× DC current gain (h_FE) at −50 mA collector current and −5 V V_CE. Its built-in resistor ratio of 1.0 enables predictable turn-on/off thresholds across temperature.

The device meets AEC-Q101 stress test requirements for automotive use, with absolute maximum ratings including −50 V V_CEO, −50 V V_I (input voltage), and 175 °C junction temperature. Thermal resistance is 353 K/W on 4-layer FR4 PCB, enabling stable operation under pulsed loads up to 500 mA.

Key Specifications

Pinout & Package

SOT323 (SC-70) plastic surface-mounted package: 1.35 mm × 1.15 mm × 0.45 mm footprint, 3-pin configuration with gull-wing leads, optimized for reflow soldering on FR4 PCBs.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP resistor-equipped transistor applications.

Compared with BC807-40 and PMMBT3906, PDTB114EUF reduces bill-of-materials count by two resistors, guarantees ±10 % resistor matching, and extends operational lifetime in automotive environments via AEC-Q101 validation and 175 °C junction rating.

Availability

PDTB114EUF is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC output stages, and smart LED lighting requiring stable component supply and long-term lifecycle support.

Supply support for PDTB114EUF 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 high-volume, high-reliability essential semiconductors - delivering discrete, logic, and MOSFET solutions for automotive, industrial, and mobile markets.

PDTB114EUF belongs to the PDTB1xxxU series of AEC-Q101-qualified PNP RETs designed specifically for replacing discrete transistor-resistor combinations in automotive digital switching applications.

FAQ

What is the maximum allowable input voltage (V_I) for PDTB114EUF?

The absolute maximum input voltage is −50 V, with recommended operating range of −50 V to +10 V. At −50 V input, the internal R1 resistor limits base current to prevent damage, but sustained operation above −10 V may degrade long-term reliability. For standard logic interfacing, keep VI between −0.6 V (VI(off)) and −2.2 V (VI(on)) to ensure clean switching.

Does PDTB114EUF require external pull-down resistors?

No - the integrated R2 (10 kΩ base-emitter resistor) provides inherent pull-down functionality, ensuring the transistor remains fully off when the input is floating or high-impedance. This eliminates the need for external pull-down components and improves noise immunity in automotive harness environments.

How does thermal performance compare between single-layer and 4-layer PCB mounting?

On a 4-layer FR4 PCB, R_th(j-a) is 353 K/W, allowing 425 mW total power dissipation at 25 °C ambient. On single-layer copper, it rises to 500 K/W with only 300 mW dissipation. Derating begins at ~75 °C ambient for both configurations, but 4-layer mounting extends usable temperature range by ~25 °C in real-world chassis-mount applications.

Can PDTB114EUF replace BC807-40 in existing designs without layout changes?

Yes - PDTB114EUF uses the same SOT323 (SC-70) footprint and pinout (1=base, 2=emitter, 3=collector) as BC807-40. However, because it integrates bias resistors, remove the two external base resistors from the schematic and verify that logic drive voltage aligns with VI(on)/VI(off) thresholds (−2.2 V / −1.0 V typ.). No PCB rework is needed.