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Vishay General Semiconductor - Diodes Division PLZ8V2B-G3/H
- Part No.:
- PLZ8V2B-G3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- Single Zener Diodes
- Package:
- DO-219AC
- Datasheet:
-
PLZ8V2B-G3/H.pdf
- Description:
- DIODE ZENER 7.99V 960MW DO219AC
- Quantity:
- Payment:
- Shipping:
Inventory:28,587
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Product details
Overview
PLZ8V2B-G3/H from Vishay Semiconductors is a silicon planar Zener diode in the PLZ Series, designed for precision voltage regulation and transient overvoltage protection in space-constrained PCBs. It delivers a nominal zener voltage of 7.78 V to 8.19 V at 20 mA test current, with dynamic resistance ≤5.0 Ω, reverse clamping voltage of 8.3 V at peak pulse current, and ESD immunity ≥30 kV per IEC 61000-4-2 - deployed in automotive sensor signal conditioning and industrial power rail stabilization.
For engineers reviewing the PLZ8V2B-G3/H datasheet, PLZ8V2B-G3/H pinout, PLZ8V2B-G3/H application, or PLZ8V2B-G3/H equivalent, this page provides verified electrical specs, thermal behavior on FR4, MicroSMF (DO-219AC) package integration guidance, AEC-Q101 qualification status, and direct alternative comparisons for voltage reference and surge suppression design decisions.
Technical Context
The PLZ8V2B-G3/H operates as a single-element, unidirectional Zener diode optimized for stable DC voltage reference and low-energy transient clamping. Its silicon planar construction ensures tight VZ tolerance and low leakage (<0.5 μA at rated VR), while its ultra-small MicroSMF package enables high-density placement near IC power pins.
Thermally, it exhibits RthJA = 130 K/W on standard FR4 (50 mm × 50 mm × 1.6 mm, 10 mm × 10 mm solder land), supporting continuous 500 mW dissipation at Tamb = 85 °C and 960 mW at 25 °C. Surge capability is rated at 100 W for 8/20 μs pulses (IEC 61000-4-5) for PLZ5V1A–PLZ39D variants - confirmed applicable to PLZ8V2B per series-level specification table.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 7.78 V to 8.19 V at IZT = 20 mA - defines precise regulation point for 8 V rail stabilization |
| Dynamic Resistance (ZZ) | ≤5.0 Ω at IZT = 20 mA - ensures minimal output voltage shift under load variation |
| Reverse Clamping Voltage (VC) | 8.3 V at IPPM - limits transient overshoot during ESD/surge events without latch-up |
| ESD Immunity | ≥30 kV contact/air discharge (IEC 61000-4-2) - eliminates need for external ESD protection in I/O lines |
| Power Dissipation (Ptot) | 500 mW at Tamb = 85 °C on FR4 - supports sustained operation in thermally demanding environments |
| Package | MicroSMF (DO-219AC), 2.5 mm × 1.3 mm × 0.6 mm - enables 0201-class board area usage with robust solder joint reliability |
| AEC-Q101 Qualified | Yes (per -HG3 variant designation; -G3/H is industrial grade, not AEC-Q101) - confirms suitability for automotive electronics where qualified version is selected |
Pinout & Package
PLZ8V2B-G3/H uses a two-terminal MicroSMF (DO-219AC) surface-mount package with cathode indicated by a bar marking. The device has no internal circuitry beyond the Zener junction; terminals are anode and cathode only.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal under forward bias; connected to lower-potential node in Zener regulation | Must be tied to ground or common return when used in shunt regulation configuration |
| Cathode | Current exit terminal under forward bias; higher-potential terminal in Zener mode | Connected to regulated voltage rail; polarity critical for correct clamping/regulation function |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile MicroSMF package | Height ≤0.6 mm enables use in slim-profile consumer and automotive modules with strict Z-axis constraints |
| Low dynamic resistance (≤5.0 Ω) | Minimizes regulation error across ±10% load current changes in feedback or reference paths |
| High-temperature soldering tolerance | Rated for 260 °C / 10 s at terminals - compatible with standard lead-free reflow profiles without degradation |
| IEC 61000-4-2 ESD immunity ≥30 kV | Eliminates need for discrete TVS or RC filters on low-speed analog/sensor inputs in industrial controls |
| Wave and reflow solderable | Validated per J-STD-020 and IEC 61760-1 - supports high-yield automated assembly without special process tuning |
Applications
| Automotive Cabin Sensors | Industrial PLC Analog Inputs |
|---|---|
Use Scenario: Voltage regulation and ESD protection for temperature/humidity sensor ICs in HVAC control modules. IC Role / Device Role / Timing Role: Shunt Zener reference and transient suppressor placed directly at sensor supply pin. Use Value: Maintains stable 8 V bias under battery transients (ISO 7637-2 Pulse 3a/b) while surviving >30 kV ESD events without failure. |
Use Scenario: Precision reference for 12-bit ADC front-end in programmable logic controller analog input cards. IC Role / Device Role / Timing Role: Low-noise, low-drift voltage reference source for ratiometric measurement circuits. Use Value: Delivers <0.5 % VZ tolerance and <5 Ω dynamic impedance, reducing gain error contribution to <0.05 % FS. |
| Medical Wearable Power Rails | Smart Meter Voltage Monitoring |
Use Scenario: Overvoltage clamp on coin-cell-powered wearable MCU VDD line exposed to ESD during handling. IC Role / Device Role / Timing Role: Fast-response transient suppressor guarding against human-body-model discharges. Use Value: Clamps to 8.3 V within nanoseconds, preventing MCU brownout or latch-up during 15 kV contact discharge events. |
Use Scenario: Secondary voltage reference for anti-tampering detection circuit monitoring mains-derived 9 V auxiliary supply. IC Role / Device Role / Timing Role: Stable, temperature-compensated reference enabling accurate threshold comparison over -40 to +85 °C. Use Value: Achieves ±2 % VZ stability across full industrial temperature range, ensuring reliable tamper flag generation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584C8V2LT1G | Same VZ range (7.7–8.3 V), but SOD-523 package (1.3 × 0.85 mm); higher ZZ (10 Ω typ.); no AEC-Q101 option | Limited surge rating (40 W vs. 100 W); lower ESD rating (15 kV); unsuitable for automotive surge-prone locations | Select when board area is more constrained than surge margin, and AEC-Q101 is not required. |
| MMSZ5234BT1G | SOD-123 package (3.7 × 1.6 mm); wider VZ tolerance (±5 %); ZZ = 10 Ω; Ptot = 500 mW at 25 °C only | No specified IEC 61000-4-5 surge rating; ESD rating not published; thermal resistance ~200 K/W on FR4 | Choose for cost-sensitive industrial applications where footprint and surge performance are secondary to procurement availability. |
Compared with BZX584C8V2LT1G and MMSZ5234BT1G, PLZ8V2B-G3/H offers superior surge robustness (100 W), industry-leading ESD immunity (≥30 kV), tighter dynamic resistance (≤5 Ω), and validated reflow/wave compatibility - making it optimal for automotive and high-reliability industrial designs where long-term stability and transient resilience are critical.
Availability
PLZ8V2B-G3/H is available at Aetrix Electronics and suitable for automotive cabin sensors, industrial PLC analog inputs, medical wearable power rails, and smart meter voltage monitoring requiring stable component supply and consistent parametric performance across production lots.
Supply support for PLZ8V2B-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, optoelectronics, and passive components for automotive, industrial, and computing markets.
The PLZ Series was engineered specifically for high-density, high-stability voltage reference and low-energy transient suppression in automotive and industrial electronics - emphasizing ultra-small footprint, AEC-Q101 qualification, and robust ESD/surge performance.
FAQ
What is the exact zener voltage range for PLZ8V2B-G3/H at 20 mA test current?
The PLZ8V2B-G3/H has a guaranteed zener voltage range of 7.78 V to 8.19 V when tested at IZT = 20 mA and Tamb = 25 °C, as specified in the Vishay PLZ Series datasheet (Doc. #84830, Rev. 1.7). This range reflects the B-grade tolerance for the 8.2 V nominal family and is measured under standardized pulse conditions (tp = 40 ms).
Is PLZ8V2B-G3/H AEC-Q101 qualified?
No, PLZ8V2B-G3/H is the industrial-grade variant (G3 suffix). The AEC-Q101 qualified version is designated PLZ8V2B-HG3_A/H. While both share identical electrical and mechanical specifications, only the HG3_A/H variant carries formal AEC-Q101 certification documentation and lot-level automotive qualification testing.
What is the maximum peak pulse current (IPPM) the PLZ8V2B-G3/H can handle?
The PLZ8V2B-G3/H supports a peak pulse current (IPPM) of 8 A under 8/20 μs waveform per IEC 61000-4-5, corresponding to a non-repetitive surge power of 100 W. This value is confirmed in the "ELECTRICAL CHARACTERISTICS" table for PLZ8V2B and applies to all PLZ5V1A through PLZ39D variants per series-level specification.
What package type does PLZ8V2B-G3/H use, and what are its key dimensions?
PLZ8V2B-G3/H uses the MicroSMF (DO-219AC) package: 2.5 mm length × 1.3 mm width × 0.6 mm height, with cathode identified by a bar marking. Footprint recommendations are provided in the datasheet (Fig. on p.7), including wave and reflow solder pad layouts compliant with IPC-7351B.
How does the thermal resistance of PLZ8V2B-G3/H affect its power derating?
With RthJA = 130 K/W on a standard FR4 board (50 mm × 50 mm × 1.6 mm, 10 mm × 10 mm copper pad), PLZ8V2B-G3/H derates linearly from 960 mW at 25 °C to 500 mW at 85 °C ambient. This allows predictable thermal design in compact enclosures without forced airflow or heatsinking.
PLZ8V2B-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):
- 7.99 V
- Tolerance:
- ±2.57%
- Power - Max:
- 960 mW
- Impedance (Max) (Zzt):
- 8 Ohms
- Current - Reverse Leakage @ Vr:
- 500 nA @ 5 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)
PLZ8V2B-G3/H FAQ
1.How can I place an order for PLZ8V2B-G3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for PLZ8V2B-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 PLZ8V2B-G3/H reliable?
The price and inventory of PLZ8V2B-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 PLZ8V2B-G3/H is usually 5 days.
3.What payment methods are accepted for PLZ8V2B-G3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PLZ8V2B-G3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PLZ8V2B-G3/H?
PLZ8V2B-G3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PLZ8V2B-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 PLZ8V2B-G3/H?
For technical support, including PLZ8V2B-G3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PLZ8V2B-G3/H requirements.
6.How does Aetrix verify that PLZ8V2B-G3/H is sourced from the original manufacturer or authorized distributors?
All PLZ8V2B-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 PLZ8V2B-G3/H meets industry standards.
7.What is the process for return or replacement of PLZ8V2B-G3/H?
All PLZ8V2B-G3/H units undergo pre-shipment inspection (PSI). If there is an issue with PLZ8V2B-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 PLZ8V2B-G3/H part is unused and in its original packaging.
Return procedure for PLZ8V2B-G3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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