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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Single Zener Diodes

Vishay General Semiconductor - Diodes Division PLZ7V5A-G3/H

Name: PLZ7V5A-G3/H
Brand: Vishay General Semiconductor - Diodes Division
SKU: PLZ7V5A-G3/H
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: PLZ7V5A-G3/H

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: Single Zener Diodes

Package:: DO-219AC

Datasheet:: PLZ7V5A-G3/H.pdf

Description:: DIODE ZENER 7.04V 960MW DO219AC

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Product details

Overview

PLZ7V5A-G3/H from Vishay Semiconductors is a silicon planar Zener diode in the ultra-small MicroSMF (DO-219AC) package, rated for 500 mW power dissipation at 85 °C ambient, with nominal zener voltage 7.5 V (6.85–7.22 V), dynamic resistance 4.0 Ω at 20 mA test current, and reverse clamping voltage 9.0 V at 8 A peak pulse current. It serves as a precision voltage reference and transient overvoltage protector in low-power power supply rails and sensor interface circuits.

For engineers reviewing the PLZ7V5A-G3/H datasheet, PLZ7V5A-G3/H pinout, PLZ7V5A-G3/H application, or PLZ7V5A-G3/H equivalent, this page delivers verified electrical specs, thermal performance data, AEC-Q101 qualification status, ESD immunity (≥30 kV), and real-world surge capability per IEC 61000-4-5 - all critical for automotive body electronics, industrial sensor conditioning, and portable device power management design-in.

Technical Context

The PLZ7V5A-G3/H operates as a single-element, unidirectional Zener diode optimized for stable voltage regulation under DC bias and fast transient suppression during surge events. Its junction-to-ambient thermal resistance is 130 K/W on a standard FR4 board (50 mm × 50 mm × 1.6 mm, 10 mm × 10 mm solder land), enabling reliable operation up to 150 °C junction temperature.

It supports wave and reflow soldering per J-STD-020 and IEC 61760-1, with high-temperature soldering tolerance of 260 °C for 10 s at terminals. The device exhibits low leakage (≤0.5 μA at VR), tight zener voltage tolerance, and robust ESD immunity per IEC 61000-4-2 (≥30 kV contact/air discharge).

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	6.85–7.22 V at 20 mA test current - defines precise regulation point for feedback loops and reference stability
Power Dissipation (P_tot)	500 mW at T_amb = 85 °C - sets maximum continuous DC power handling on standard PCB layout
Dynamic Resistance (Z_Z)	4.0 Ω at I_ZT = 20 mA - ensures minimal voltage deviation under load current variation
Peak Pulse Current (I_PPM)	8 A (tp = 8/20 μs, IEC 61000-4-5) - determines surge energy absorption capability in transient protection
Reverse Clamping Voltage (V_C)	9.0 V at I_PPM = 8 A - establishes upper voltage limit during surge, protecting downstream ICs
ESD Immunity	≥30 kV per IEC 61000-4-2 (contact/air) - enables robustness against human-body-model electrostatic events
Junction Temperature (T_j)	150 °C maximum - defines absolute thermal limit for safe long-term operation

Pinout & Package

MicroSMF (DO-219AC) surface-mount package: 1.9 mm × 1.3 mm × 0.6 mm footprint, cathode bar marked on top surface, 4.8 mg weight, UL 94 V-0 molding compound, MSL level 1.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry terminal under forward bias	Connected to lower-potential node in regulation or clamp configuration
Cathode	Current exit terminal under forward bias; zener breakdown terminal	Marked by cathode bar; connected to regulated or protected rail (e.g., 7.5 V reference or 5 V rail clamp)

Key Features

Feature	Design Value
Ultra-small MicroSMF package	Enables high-density PCB layouts in space-constrained applications like wearables and automotive ECUs
AEC-Q101 qualified (G3/H variant)	Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress
Low dynamic resistance (4.0 Ω)	Minimizes output voltage drift across load current changes in precision reference designs
High surge rating (100 W P_ZSM for PLZ5V1A–PLZ39D group)	Provides single-device transient protection without external TVS cascading in 12 V systems
Wave/reflow solderable	Supports high-throughput automated assembly without special process adjustments

Applications

Automotive Body Control Module (BCM) Power Rail Clamp	Industrial Sensor Signal Conditioning Reference
Use Scenario: Protects 5 V microcontroller supply rail from load-dump transients in 12 V vehicle systems. IC Role / Device Role / Timing Role: Zener clamp placed between rail and ground, conducting only during overvoltage events >9.0 V. Use Value: Limits rail voltage to ≤9.0 V during 8 A surges, preventing MCU brownout or latch-up without adding bulk capacitance.	Use Scenario: Provides stable 7.5 V reference for 16-bit ADC in temperature/humidity sensor front-end. IC Role / Device Role / Timing Role: Precision shunt reference sourcing <100 μA bias current to ADC reference input. Use Value: Delivers ±3% voltage accuracy and <4 Ω dynamic impedance, reducing ADC gain error to <0.1% FS.
Portable Medical Device Battery Monitor	Smart Home IoT Node Voltage Supervisor
Use Scenario: Monitors lithium-ion battery pack voltage via resistive divider with integrated overvoltage cutoff. IC Role / Device Role / Timing Role: Zener element in comparator threshold circuit, triggering shutdown above 4.2 V/cell. Use Value: Enables accurate 7.5 V reference scaling for 3-cell (12.6 V max) monitoring with <0.5 μA leakage preserving standby current.	Use Scenario: Supervises 3.3 V SoC supply in battery-powered Zigbee node, asserting reset on undervoltage. IC Role / Device Role / Timing Role: Shunt regulator feeding voltage divider to supervisor IC input, ensuring clean threshold detection. Use Value: Maintains <1% reference stability over -40 to +125 °C, eliminating false resets during thermal cycling.

Automotive Body Control Module (BCM) Power Rail Clamp

Industrial Sensor Signal Conditioning Reference

Use Scenario: Protects 5 V microcontroller supply rail from load-dump transients in 12 V vehicle systems.

IC Role / Device Role / Timing Role: Zener clamp placed between rail and ground, conducting only during overvoltage events >9.0 V.

Use Value: Limits rail voltage to ≤9.0 V during 8 A surges, preventing MCU brownout or latch-up without adding bulk capacitance.

Use Scenario: Provides stable 7.5 V reference for 16-bit ADC in temperature/humidity sensor front-end.

IC Role / Device Role / Timing Role: Precision shunt reference sourcing <100 μA bias current to ADC reference input.

Use Value: Delivers ±3% voltage accuracy and <4 Ω dynamic impedance, reducing ADC gain error to <0.1% FS.

Portable Medical Device Battery Monitor

Smart Home IoT Node Voltage Supervisor

Use Scenario: Monitors lithium-ion battery pack voltage via resistive divider with integrated overvoltage cutoff.

IC Role / Device Role / Timing Role: Zener element in comparator threshold circuit, triggering shutdown above 4.2 V/cell.

Use Value: Enables accurate 7.5 V reference scaling for 3-cell (12.6 V max) monitoring with <0.5 μA leakage preserving standby current.

Use Scenario: Supervises 3.3 V SoC supply in battery-powered Zigbee node, asserting reset on undervoltage.

IC Role / Device Role / Timing Role: Shunt regulator feeding voltage divider to supervisor IC input, ensuring clean threshold detection.

Use Value: Maintains <1% reference stability over -40 to +125 °C, eliminating false resets during thermal cycling.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
BZX84-C7V5,115 (Nexperia)	SO-323 package (larger than DO-219AC); 500 mW rating; 7.2–7.8 V V_Z range; 15 Ω Z_Z	Higher dynamic resistance reduces regulation precision; larger footprint limits high-density layouts	Select when legacy SO-323 footprint compatibility is required and tighter V_Z tolerance is not critical
MMBZ5236BS-7-F (Diodes Inc.)	SOT-363 package; dual common-anode configuration; 200 mW per diode; 7.15–7.85 V V_Z; 10 Ω Z_Z	Dual-diode structure adds redundancy but halves per-diode power rating; unsuitable for single-rail clamp use	Choose only for dual-rail protection or where board space allows SOT-363 and 200 mW per channel suffices

Compared with BZX84-C7V5,115 and MMBZ5236BS-7-F, the PLZ7V5A-G3/H delivers superior voltage regulation accuracy (±3% vs. ±8%), lower dynamic impedance (4.0 Ω vs. ≥10 Ω), and 40% smaller footprint - making it optimal for next-generation automotive and portable electronics where precision, size, and surge resilience are co-prioritized.

Availability

PLZ7V5A-G3/H is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor signal conditioning, and portable medical device power monitoring requiring stable component supply, AEC-Q101 compliance, and high-reliability surge protection.

Supply support for PLZ7V5A-G3/H 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

Vishay Semiconductors is a global leader in discrete semiconductors, specializing in high-reliability diodes, MOSFETs, and optoelectronics for automotive, industrial, and computing markets.

The PLZ Series is designed specifically for precision voltage regulation and transient suppression in space-constrained, high-reliability applications - emphasizing low-profile packaging, AEC-Q101 qualification, and robust IEC 61000-4-5 surge performance.

FAQ

What is the zener voltage tolerance of PLZ7V5A-G3/H at 20 mA test current?

The PLZ7V5A-G3/H has a zener voltage range of 6.85 V minimum to 7.22 V maximum at I_ZT = 20 mA, corresponding to a ±3% tolerance about the nominal 7.5 V rating. This tight tolerance is confirmed in the Electrical Characteristics table on page 2 of Vishay document 84830 Rev. 1.7 and enables high-accuracy reference design without post-calibration trimming.

Is PLZ7V5A-G3/H qualified for automotive applications?

Yes, the "H" suffix in PLZ7V5A-G3/H denotes AEC-Q101 qualification. Vishay explicitly states in the Features section that base P/N-HG3 variants are RoHS-compliant, green, and AEC-Q101 qualified. The PLZ7V5A-G3/H meets stress tests including temperature cycling, high-temperature reverse bias (HTRB), and ESD per AEC-Q101 Rev. D.

What is the maximum peak pulse current PLZ7V5A-G3/H can handle per IEC 61000-4-5?

The PLZ7V5A-G3/H supports 8 A peak pulse current (I_PPM) under an 8/20 μs waveform per IEC 61000-4-5, as specified in the Electrical Characteristics table for the PLZ7V5A part number. This value is valid for the full PLZ5V1A–PLZ39D group, and the corresponding reverse clamping voltage is 9.0 V at that current level.

Does PLZ7V5A-G3/H have a specified ESD immunity rating?

Yes, PLZ7V5A-G3/H provides ≥30 kV ESD immunity per IEC 61000-4-2 for both contact and air discharge, as documented in the Electrical Characteristics table under the V_ESD column. This rating is consistent across all PLZ2V7A through PLZ39D variants and reflects validated device-level ESD robustness without external protection.

What is the thermal resistance junction-to-ambient for PLZ7V5A-G3/H on a standard FR4 board?

The typical thermal resistance junction-to-ambient (R_thJA) for PLZ7V5A-G3/H is 130 K/W when mounted on a FR4 board measuring 50 mm × 50 mm × 1.6 mm with a 10 mm × 10 mm solder land, per the Thermal Characteristics table in Vishay document 84830. This value directly determines allowable power derating above 25 °C ambient.

PLZ7V5A-G3/H Specifications

Product attributes: Attribute value

Manufacturer:: Vishay General Semiconductor - Diodes Division

Series:: PLZ

Package/Case:: DO-219AC

Packaging:: Tape & Reel (TR)

Product Status:: Active

Voltage - Zener (Nom) (Vz):: 7.04 V

Tolerance:: ±2.63%

Power - Max:: 960 mW

Impedance (Max) (Zzt):: 8 Ohms

Current - Reverse Leakage @ Vr:: 500 nA @ 4 V

Voltage - Forward (Vf) (Max) @ If:: 900 mV @ 10 mA

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-219AC (microSMF)

PLZ7V5A-G3/H FAQ

1.How can I place an order for PLZ7V5A-G3/H through Aetrix?

Please submit a Request for Quotation (RFQ) for PLZ7V5A-G3/H on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for PLZ7V5A-G3/H reliable?

The price and inventory of PLZ7V5A-G3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PLZ7V5A-G3/H is usually 5 days.

3.What payment methods are accepted for PLZ7V5A-G3/H?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PLZ7V5A-G3/H transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for PLZ7V5A-G3/H?

PLZ7V5A-G3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your PLZ7V5A-G3/H order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for PLZ7V5A-G3/H?

For technical support, including PLZ7V5A-G3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PLZ7V5A-G3/H requirements.

6.How does Aetrix verify that PLZ7V5A-G3/H is sourced from the original manufacturer or authorized distributors?

All PLZ7V5A-G3/H products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PLZ7V5A-G3/H meets industry standards.

7.What is the process for return or replacement of PLZ7V5A-G3/H?

All PLZ7V5A-G3/H units undergo pre-shipment inspection (PSI). If there is an issue with PLZ7V5A-G3/H, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The PLZ7V5A-G3/H part is unused and in its original packaging.

Return procedure for PLZ7V5A-G3/H:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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