Nexperia USA Inc. NHDTA143ZTVL

Overview

NHDTA143ZTVL from Nexperia is a PNP resistor-equipped transistor (RET) in SOT23 (TO-236AB) package, designed for digital switching and IC input control. It features 80 V collector-emitter breakdown voltage, −100 mA output current capability, built-in bias resistors (R1 = 4.7 kΩ, R2 = 47 kΩ), and AEC-Q101 qualification for automotive-grade reliability.

For engineers reviewing the NHDTA143ZTVL datasheet, NHDTA143ZTVL pinout, NHDTA143ZTVL application, or NHDTA143ZTVL equivalent, this device serves as a drop-in replacement for BC856-series transistors in low-power digital logic interfaces, load switching, and microcontroller I/O conditioning where integrated base resistors reduce BOM count and layout complexity.

Technical Context

This PNP RET integrates two precision thin-film resistors (R1 = 4.7 kΩ, R2 = 47 kΩ) directly into the SOT23 package to form a fixed-current-biased switch topology. Its internal structure eliminates external base resistors while maintaining predictable turn-on/off thresholds across temperature.

The device operates with a typical V_CE(sat) of −100 mV at I_C = −10 mA / I_B = −0.5 mA and exhibits stable h_FE ≥ 100 at V_CE = −5 V, I_C = −10 mA - enabling robust digital signal inversion and level translation in 3.3 V/5 V systems.

Key Specifications

Pinout & Package

SOT23 (TO-236AB) plastic surface-mounted package with 3 leads; 1.3 mm × 2.9 mm footprint, 1.1 mm height, and standard reflow-compatible solder pads per JEDEC MO-203AA.

Key Features

Applications

Equivalent & Alternatives

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

Compared with NHDTC143ZT, NHDTA143ZTVL provides complementary high-side switching with identical resistor ratios but inverted logic polarity; versus BC856B, it reduces component count by two resistors and improves transient immunity with higher V_CEO, at the cost of fixed bias configuration.

Availability

NHDTA143ZTVL is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, and consumer appliance UI subsystems requiring stable component supply, AEC-Q101 compliance, and SMT manufacturability.

Supply support for NHDTA143ZTVL 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 logic, discrete, and MOSFET solutions, with leadership in automotive-qualified components.

NHDTA143ZTVL belongs to Nexperia's resistor-equipped transistor (RET) product line, engineered specifically to simplify digital interface design in space-constrained, cost-sensitive automotive and industrial applications.

FAQ

What is the maximum allowable continuous collector current for NHDTA143ZTVL?

The absolute maximum continuous collector current is −100 mA at T_amb ≤ 25 °C on a standard FR4 PCB with single-sided copper. Derating applies above 25 °C per Figure 1; at 100 °C ambient, maximum usable current drops to approximately −60 mA to maintain junction temperature below 150 °C.

Does NHDTA143ZTVL require external base resistors?

No. NHDTA143ZTVL integrates R1 = 4.7 kΩ and R2 = 47 kΩ internally, forming a complete bias network between base and emitter. This eliminates the need for external resistors in standard digital switching configurations, reducing bill-of-materials count and PCB layout effort.

Can NHDTA143ZTVL be used in 3.3 V logic systems?

Yes. With V_I(on) = −0.95 V (typical) and V_I(off) = −625 mV (max), NHDTA143ZTVL reliably switches on with 3.3 V CMOS outputs driving the base through a series resistor or directly - provided the source can sink ≥0.7 mA. Its −80 V rating provides ample margin even in noisy 3.3 V systems interfacing to higher-voltage domains.

Is NHDTA143ZTVL pin-compatible with BC856 series transistors?

Yes, NHDTA143ZTVL uses the same SOT23 (TO-236AB) package and pinout (1 = base, 2 = emitter, 3 = collector) as BC856B. However, due to its integrated resistors, direct substitution requires verifying that the external base resistor network is removed to avoid double-biasing and potential malfunction.