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onsemi BZX79C6V2-T50R
- Part No.:
- BZX79C6V2-T50R
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- DO-204AH, DO-35, Axial
- Datasheet:
-
BZX79C6V2-T50R.pdf
- Description:
- DIODE ZENER 6.2V 500MW DO35
- Quantity:
- Payment:
- Shipping:
Inventory:22,930
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Product details
Overview
BZX79C6V2-T50R from ON Semiconductor is a 6.2 V, 5% tolerance, 500 mW glass-encapsulated Zener diode in DO-35 package, designed for voltage regulation and reference applications in power supply feedback loops, overvoltage protection circuits, and precision biasing networks.
For engineers reviewing the BZX79C6V2-T50R datasheet, pinout, applications, or equivalent options, this page delivers verified Zener voltage (6.2 V), power rating (500 mW), tolerance (±5%), dynamic impedance (10 Ω @ 5 mA), and temperature coefficient (+0.4 mV/°C) - all critical for stable low-power voltage reference design.
Technical Context
This device operates as a reverse-biased silicon Zener diode with sharp breakdown at nominal 6.2 V, maintaining regulation across 1–10 mA test current range. Its DO-35 glass package ensures hermetic sealing and thermal stability up to +200°C junction temperature.
It exhibits a positive temperature coefficient of +0.4 mV/°C near 6.2 V, minimizing drift in mid-voltage references, and features 10 Ω dynamic impedance at IZ = 5 mA - enabling tight regulation under varying load conditions in analog and power management circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.2 V ±5% at IZ = 5 mA - defines precise clamping/reference level for feedback and protection circuits |
| Power Dissipation (PD) | 500 mW @ TL ≤ 75°C - supports continuous operation in compact PCB layouts without forced cooling |
| Dynamic Impedance (ZZ) | 10 Ω max @ IZ = 5 mA - ensures minimal output voltage variation under load transients |
| Temperature Coefficient (TC) | +0.4 mV/°C - provides predictable, low-drift behavior in ambient temperature ranges from –65°C to +200°C |
| Leakage Current (IR) | 3 μA max @ VR = 4 V - guarantees low standby power loss in battery-backed or energy-sensitive systems |
| Junction Temperature Range | –65°C to +200°C - enables deployment in automotive engine compartments and industrial control enclosures |
Pinout & Package
DO-35 glass axial package with cathode band marking; two-terminal device requiring no orientation-specific PCB footprint beyond standard 0.3-inch lead spacing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node during reverse-bias regulation |
| Cathode | Zener breakdown terminal / voltage reference output | Connected to regulated node; marked by color band; carries controlled reverse current |
Key Features
| Feature | Design Value |
|---|---|
| Stable 6.2 V reference | ±5% tolerance ensures repeatable voltage setting across production batches without trimming |
| Low dynamic impedance | 10 Ω max enables <10 mV output shift under 1 mA load change - critical for feedback accuracy |
| Hermetic DO-35 package | Glass-sealed construction prevents moisture ingress and long-term parameter drift in humid environments |
| Wide operating temperature | –65°C to +200°C junction range supports under-hood automotive and high-temp industrial use |
Applications
| Power Supply Feedback | Overvoltage Clamp |
|---|---|
Use Scenario: Regulating output voltage in linear regulators or SMPS feedback paths using TL431-like topology. IC Role / Device Role / Timing Role: Zener reference element providing stable 6.2 V threshold to error amplifier input. Use Value: Enables ±1% output regulation accuracy with minimal external components and no active biasing. | Use Scenario: Protecting microcontroller I/O pins from transient surges exceeding 6.2 V. IC Role / Device Role / Timing Role: Shunt clamping device diverting excess current when input exceeds 6.2 V. Use Value: Limits voltage to safe levels with sub-μs response and no latch-up risk in 3.3 V/5 V logic interfaces. |
| Bias Voltage Reference | Signal Level Translation |
Use Scenario: Setting bias point for op-amp input stages or transistor amplifiers in sensor signal conditioning. IC Role / Device Role / Timing Role: Precision DC reference source establishing fixed offset or common-mode voltage. Use Value: Delivers 6.2 V with <0.5 mV/°C drift - eliminates need for trimmer potentiometers in production calibration. | Use Scenario: Translating 0–5 V sensor output to 0–6.2 V range for ADC full-scale utilization. IC Role / Device Role / Timing Role: Passive level-shifting node referenced to 6.2 V rail. Use Value: Maximizes ADC dynamic range without active circuitry, reducing component count and noise sources. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 1N4735A | Same 6.2 V nominal, ±5% tolerance, but rated 1 W (vs. 500 mW); DO-41 package (larger footprint) | Higher power handling suits higher-current shunt applications; not suitable for space-constrained DO-35 layouts | Select when >500 mW dissipation or legacy DO-41 compatibility is required |
| BZX55C6V2 | Same 6.2 V, ±5%, DO-35, but 500 mW rating with higher ZZ (15 Ω vs. 10 Ω) and wider TC range (±2 mV/°C) | Less precise regulation and greater thermal drift - acceptable only where cost outweighs stability | Choose only for non-critical reference roles where tighter TC and lower ZZ are unnecessary |
Compared with 1N4735A and BZX55C6V2, the BZX79C6V2-T50R offers optimal balance of DO-35 size, 10 Ω dynamic impedance, and +0.4 mV/°C TC - making it preferred for compact, stable voltage references in modern embedded power rails.
Availability
BZX79C6V2-T50R is available at Aetrix Electronics and suitable for power supply feedback, overvoltage clamp, and bias voltage reference applications requiring stable component supply and consistent parametric performance across production lots.
Supply support for BZX79C6V2-T50R 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
ON Semiconductor is a global semiconductor manufacturer specializing in energy-efficient power, analog, sensor, and connectivity solutions for automotive, industrial, and consumer markets.
The BZX79C series was developed for general-purpose, low-power voltage regulation and reference functions - optimized for reliability, tight tolerance, and thermal stability in cost-sensitive, high-volume applications.
FAQ
What is the nominal Zener voltage and tolerance of the BZX79C6V2-T50R?
The BZX79C6V2-T50R has a nominal Zener voltage of 6.2 V with a tolerance of ±5% measured at IZ = 5 mA. This means its actual breakdown voltage falls between 5.89 V and 6.51 V under standard test conditions, ensuring predictable clamping behavior in voltage reference designs.
What is the maximum power dissipation rating for the BZX79C6V2-T50R?
The BZX79C6V2-T50R is rated for 500 mW power dissipation at lead temperature ≤ 75°C with 3/8″ lead length. It derates linearly at 4.0 mW/°C above 75°C, supporting reliable operation up to +200°C junction temperature when properly heatsinked or used within current limits.
What package type does the BZX79C6V2-T50R use, and how is polarity identified?
The BZX79C6V2-T50R uses the DO-35 glass axial package. Polarity is identified by a single color band on the cathode end; the banded end must be connected to the higher-potential node during reverse-bias operation to enable Zener breakdown and voltage regulation.
What is the dynamic impedance of the BZX79C6V2-T50R, and why does it matter?
The BZX79C6V2-T50R has a maximum dynamic impedance (ZZ) of 10 Ω at IZ = 5 mA. This low value ensures minimal output voltage variation under changing load currents - critical for maintaining regulation accuracy in feedback loops and reference circuits where stability is essential.
Does the BZX79C6V2-T50R have a positive or negative temperature coefficient, and what is its value?
The BZX79C6V2-T50R has a positive temperature coefficient of +0.4 mV/°C near its 6.2 V operating point. This means its Zener voltage increases slightly with rising temperature, enabling predictable drift compensation in mid-voltage reference designs where thermal stability is prioritized.
BZX79C6V2-T50R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- DO-204AH, DO-35, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.2 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 10 Ohms
- Current - Reverse Leakage @ Vr:
- 3 µA @ 4 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.5 V @ 100 mA
- Operating Temperature:
- -65°C ~ 200°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-35
BZX79C6V2-T50R FAQ
1.How can I place an order for BZX79C6V2-T50R through Aetrix?
Please submit a Request for Quotation (RFQ) for BZX79C6V2-T50R 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 BZX79C6V2-T50R reliable?
The price and inventory of BZX79C6V2-T50R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZX79C6V2-T50R is usually 5 days.
3.What payment methods are accepted for BZX79C6V2-T50R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZX79C6V2-T50R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZX79C6V2-T50R?
BZX79C6V2-T50R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZX79C6V2-T50R 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 BZX79C6V2-T50R?
For technical support, including BZX79C6V2-T50R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZX79C6V2-T50R requirements.
6.How does Aetrix verify that BZX79C6V2-T50R is sourced from the original manufacturer or authorized distributors?
All BZX79C6V2-T50R 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 BZX79C6V2-T50R meets industry standards.
7.What is the process for return or replacement of BZX79C6V2-T50R?
All BZX79C6V2-T50R units undergo pre-shipment inspection (PSI). If there is an issue with BZX79C6V2-T50R, 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 BZX79C6V2-T50R part is unused and in its original packaging.
Return procedure for BZX79C6V2-T50R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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