Nexperia USA Inc. MM5Z6V8T5GF

Overview

MM5Z6V8T5GF from Nexperia is a Zener voltage regulator diode in SOD523 (SC-79) package, designed for precision voltage reference and overvoltage protection in space-constrained circuits. It delivers a nominal 6.8 V Zener voltage with ±2 % tolerance, 2.0 Ω differential resistance at I_Z = 5 mA, 4.5 mV/K temperature coefficient, and 300 mW total power dissipation - enabling stable regulation in low-power sensor biasing and microcontroller reset circuits.

For engineers reviewing the MM5Z6V8T5GF datasheet, MM5Z6V8T5GF pinout, MM5Z6V8T5GF application, or MM5Z6V8T5GF equivalent, key selection criteria include its 6.66–6.94 V working voltage range, cathode-anode polarity marking, ultra-small SOD523 footprint, and suitability for low-current (<15 mA) regulation and clamping functions in portable and battery-powered systems.

Technical Context

This Zener diode operates in reverse breakdown to maintain a stable reference voltage across its terminals under controlled current conditions. Its low 2.0 Ω differential resistance ensures minimal voltage variation with load current changes, while the +1.2 mV/K temperature coefficient at I_Z = 5 mA indicates positive thermal drift optimized for mid-range voltage references.

The device supports non-repetitive surge handling up to 40 W (100 µs square wave), and is rated for continuous operation at T_j ≤ 150 °C with R_th(j-a) = 350 K/W on FR4 PCB. Its 215 pF capacitance at f = 1 MHz and V_R = 0 V limits high-frequency noise coupling in signal-path applications.

Key Specifications

Pinout & Package

SOD523 (SC-79) ultra-small surface-mount plastic package with 2 leads, 1.25 mm × 0.85 mm body size, 0.65 mm height, and cathode band marking on terminal 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BZX584C6V8 and MMSZ4689, MM5Z6V8T5GF offers superior voltage accuracy (±2 % vs. ±5 %), lower dynamic impedance (2.0 Ω vs. ≥5 Ω), and smallest footprint - making it optimal for high-density, precision-regulated designs where thermal and spatial constraints dominate.

Availability

MM5Z6V8T5GF is available at Aetrix Electronics and suitable for microcontroller reset circuits, low-power sensor biasing, ESD protection clamps, and precision reference voltage sources requiring stable component supply and consistent parametric performance.

Supply support for MM5Z6V8T5GF 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 devices, with manufacturing rooted in process efficiency and automotive-grade quality systems.

The MM5Z series targets cost-sensitive, space-constrained applications demanding stable Zener regulation - including portable electronics, wearables, and industrial control modules where small size and tight voltage tolerance are critical.

FAQ

What is the maximum continuous reverse current for stable regulation?

The MM5Z6V8T5GF achieves stable Zener regulation at I_Z = 5 mA, with recommended operating range up to 15 mA. At 15 mA, voltage deviation remains within ±30 mV due to its 2.0 Ω differential resistance - exceeding this risks thermal runaway given its 300 mW power limit and 350 K/W junction-to-ambient thermal resistance.

How does the +1.2 mV/K temperature coefficient affect long-term accuracy?

This coefficient means the Zener voltage increases by 1.2 mV per Kelvin rise in junction temperature. Over a 100 °C range (25 °C to 125 °C), V_Z shifts +120 mV - from 6.80 V to ~6.92 V. For applications requiring sub-50 mV drift, active temperature compensation or derating to lower I_Z is necessary.

Can MM5Z6V8T5GF be used in forward-bias ESD protection?

Yes - its 1.1 V forward voltage at 100 mA enables use as a low-voltage clamping diode. However, its 200 mA absolute maximum forward current and lack of specified I_PP rating make it less robust than dedicated TVS diodes; it is best suited for secondary, low-energy ESD paths where primary protection exists upstream.

Is the SOD523 package compatible with standard reflow profiles?

Yes - Nexperia specifies compatibility with JEDEC J-STD-020D reflow profiles. The SOD523 footprint (1.4 mm × 0.5 mm solder lands, 0.4 mm pad spacing) supports lead-free reflow with peak temperatures up to 260 °C, provided thermal mass of adjacent copper is minimized to avoid localized overheating of the 0.65 mm tall package.