Nexperia USA Inc. PDTB143ETVL

Overview

PDTB143ETVL from Nexperia is a PNP resistor-equipped transistor (RET) in SOT23 (TO-236AB) package, designed for digital switching applications with built-in 4.7 kΩ input and 4.7 kΩ base-emitter bias resistors, −50 V V_CEO, −500 mA I_O, and AEC-Q101 qualification for automotive use.

For engineers reviewing the PDTB143ETVL datasheet, PDTB143ETVL pinout, PDTB143ETVL application, or PDTB143ETVL equivalent, this device serves as a drop-in replacement for discrete BJT + bias resistor networks in logic-level-controlled load switching, high-temperature industrial controls, and space-constrained automotive subsystems.

Technical Context

This PNP RET integrates two precision-matched on-chip resistors (R1 = R2 = 4.7 kΩ ±10 %) to enable direct interface with 3.3 V/5 V CMOS/TTL logic without external bias components. Its internal transistor delivers h_FE ≥ 60 at I_C = −50 mA and V_CE = −5 V, with V_CE(sat) ≤ −100 mV under same conditions.

Rated for operation from −55 °C to +175 °C ambient, it supports high-reliability applications including engine control modules and powertrain sensors where thermal stability and AEC-Q101 compliance are mandatory.

Key Specifications

Pinout & Package

Package: SOT23 (TO-236AB), surface-mount plastic package with 3 leads, 1.9 mm × 1.1 mm body size, 0.95 mm height, and standard FR4-compatible footprint.

Key Features

Applications

Equivalent & Alternatives

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

Compared with PDTB143XTVL, PDTB143ETVL delivers higher drive strength and lower input threshold voltage, making it preferable for robust 5 V logic interfacing; versus BC807-40, it trades off gain adjustability for BOM reduction, thermal predictability, and AEC-Q101 assurance.

Availability

PDTB143ETVL is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, and consumer appliance motor drivers requiring stable component supply, AEC-Q101 traceability, and high-temperature operational continuity.

Supply support for PDTB143ETVL 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 for automotive, industrial, and consumer markets.

The PDTB1xxxT series targets cost-sensitive, space-constrained digital switching applications where integration, thermal resilience, and automotive qualification are critical design requirements.

FAQ

What is the maximum allowable input voltage for PDTB143ETVL?

The absolute maximum input voltage (V_I) is −30 V, with recommended operating range from −0.6 V (VI(off)) to −2.2 V (VI(on)). Exceeding −30 V risks permanent damage to the integrated bias resistors and transistor junction, especially under transient conditions.

Can PDTB143ETVL replace BC807-40 in existing designs without layout changes?

No - PDTB143ETVL has different pinout (input/base on Pin 1, emitter/GND on Pin 2, collector/output on Pin 3) versus BC807-40 (emitter on Pin 1, base on Pin 2, collector on Pin 3), and includes internal resistors that eliminate external bias components. Layout and schematic revision are required.

Is thermal derating required above 25 °C ambient?

Yes - total power dissipation must be linearly derated above 25 °C using R_th(j-a) = 470 K/W (single-layer PCB) or 327 K/W (4-layer PCB). At 100 °C ambient, maximum allowed P_tot drops to ~170 mW (single-layer) or ~250 mW (4-layer) to maintain T_j ≤ 175 °C.

Does PDTB143ETVL support PWM switching at frequencies above 10 kHz?

Yes - with f_T = 140 MHz and low C_c = 11 pF, it supports clean switching up to at least 100 kHz. However, switching speed is limited by internal resistor values; rise/fall times are typically < 100 ns with appropriate drive strength and load capacitance < 100 pF.