Nexperia USA Inc. TDZ2V4JF

Overview

TDZ2V4JF from Nexperia is a single Zener diode in SOD323F (SC-90) package, designed for precision voltage regulation and reference functions in low-power circuits. It delivers a nominal Zener voltage of 2.4 V at 5 mA, with differential resistance ≤400 Ω, total power dissipation up to 500 mW, and AEC-Q101 qualification for automotive use.

For engineers reviewing the TDZ2V4JF datasheet, TDZ2V4JF pinout, TDZ2V4JF application, or TDZ2V4JF equivalent, this device serves as a compact, thermally efficient voltage clamp in power supply feedback paths, overvoltage protection circuits, and analog reference nodes where tight tolerance and low thermal resistance are critical.

Technical Context

This Zener diode operates in reverse breakdown mode to maintain stable voltage across its terminals under varying load and temperature conditions. Its 2.4 V nominal Zener voltage exhibits a negative temperature coefficient of −3.5 mV/K, enabling predictable drift behavior in temperature-sensitive designs.

Designed for surface-mount applications on FR4 PCBs with 16 mm² cathode pad, it achieves R_th(j-sp) = 25 K/W to solder point and supports non-repetitive peak reverse power dissipation up to 180 W for pulse durations ≤100 μs - critical for transient suppression in automotive ECUs and industrial sensors.

Key Specifications

Pinout & Package

SOD323F (SC-90) plastic surface-mounted package: ultra-compact 2.7 mm × 1.6 mm footprint with 0.65 mm lead pitch and 0.25 mm profile - optimized for space-constrained PCB layouts and automated placement.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Zener regulation applications.

Compared with BZX384-B2V4 and MMSZ4676T1G, TDZ2V4JF uniquely combines AEC-Q101 qualification, 180 W surge rating, and 25 K/W junction-to-solder-point thermal resistance - making it the only option qualified for automotive body electronics with stringent thermal and transient resilience requirements.

Availability

TDZ2V4JF is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor interfaces, USB-C power monitors, and medical wearable battery management systems requiring stable component supply with full traceability and long-term lifecycle support.

Supply support for TDZ2V4JF 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 delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, miniaturization, and automotive-grade quality.

The TDZxJ series targets cost-sensitive, space-constrained voltage regulation needs in automotive and industrial applications - emphasizing AEC-Q101 compliance, ultra-small packaging, and robust transient handling without sacrificing precision.

FAQ

What is the maximum continuous forward current for TDZ2V4JF?

The absolute maximum forward current (I_F) is 250 mA per the datasheet limiting values table. However, sustained forward conduction is not its intended operating mode - the device is optimized for reverse-biased Zener regulation, and forward voltage remains ≤1.1 V at 100 mA, confirming robust diode junction integrity under brief forward bias.

Can TDZ2V4JF be used in place of a 2.5 V Zener diode?

No - TDZ2V4JF has a guaranteed Zener voltage range of 2.35 V to 2.45 V at 5 mA, with no overlap into the 2.5 V specification. Substituting it for a 2.5 V part would cause systematic under-regulation, potentially violating system-level voltage margin requirements in feedback or reference circuits.

How does the −3.5 mV/K temperature coefficient affect circuit performance?

This negative coefficient means output voltage decreases by 3.5 mV per Kelvin rise in junction temperature. In a 2.4 V reference, that equates to ~0.84 %/°C drift - acceptable for non-precision applications but requires compensation in high-accuracy systems using temperature-aware calibration algorithms or complementary positive-coefficient references.

Is reflow soldering the only recommended assembly method?

Yes - the datasheet explicitly states "Reflow soldering is the only recommended soldering method" for TDZ2V4JF. Hand soldering or wave soldering risks thermal damage due to the SOD323F package's low thermal mass and sensitivity to localized overheating, especially at the cathode solder pad where thermal resistance is minimized.