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Diodes Incorporated SMAZ6V2-13
- Part No.:
- SMAZ6V2-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAZ6V2-13.pdf
- Description:
- DIODE ZENER 6.2V 1W SMA
- Quantity:
- Payment:
- Shipping:
Inventory:9,953
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Product details
Overview
SMAZ6V2-13 from Diodes Incorporated is a 1.0W surface-mount Zener diode with nominal zener voltage 6.2 V (±5%), 2.0 mA test current, 200 Ω maximum zener impedance at IZT, and 3.0 µA maximum reverse leakage at 5.0 V. It is used for precision voltage regulation and overvoltage protection in power supply feedback loops and reference circuits.
For engineers reviewing the SMAZ6V2-13 datasheet, SMAZ6V2-13 pinout, SMAZ6V2-13 application, or SMAZ6V2-13 equivalent, key selection criteria include zener voltage tolerance, thermal resistance (RθJA = 100 °C/W), power derating above +50°C, cathode band polarity marking, and compliance with RoHS and halogen-free requirements.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable voltage across its terminals under varying load and line conditions. Its 6.2 V nominal regulation is specified at IZT = 2.0 mA, with dynamic impedance of ≤200 Ω at that current and ≤150 Ω at 10 mA.
Designed for surface-mount assembly on FR-4 PCBs, it features a molded plastic SMA package rated UL 94V-0, with lead-free matte tin plating and moisture sensitivity level 1. Thermal performance is characterized by RθJT = 30 °C/W and RθJA = 100 °C/W under standard pad layout per Diodes Inc. package outlines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.20 V nominal, 5.89–6.51 V range at 2.0 mA - defines regulated output voltage in shunt regulator designs |
| Power Dissipation (PD) | 1.0 W at TA = +25°C, derated 10 mW/°C above +50°C - sets maximum continuous power handling on standard PCB |
| Zener Impedance (ZZT) | ≤200 Ω at IZT = 2.0 mA - determines regulation accuracy under small-signal load transients |
| Reverse Leakage (IR) | ≤3.0 µA at VR = 5.0 V - ensures minimal quiescent current in standby or low-power modes |
| Thermal Resistance (RθJA) | 100 °C/W - quantifies junction-to-ambient temperature rise per watt, critical for thermal design margining |
| Package | SMA (DO-214AC) - standardized 2-pin SMD outline with cathode band, compatible with automated pick-and-place |
Pinout & Package
Package: SMA (DO-214AC), molded plastic case with cathode band marking; dimensions: 4.60 mm × 2.92 mm × 1.63 mm (L × W × H); weight ≈ 0.064 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to lower-potential side in shunt regulation; forms return path for zener current |
| Cathode | Zener breakdown terminal / voltage reference output | Marked with band; connected to regulated rail; carries full zener current during regulation |
Key Features
| Feature | Design Value |
|---|---|
| 1.0 W power rating | Enables robust voltage clamping in 5–12 V power rails without external heatsinking on standard FR-4 |
| ±5% zener voltage tolerance | Supports tight regulation in feedback networks for AC/DC adapters and DC/DC converters |
| Lead-free, RoHS-compliant finish | Meets global environmental compliance mandates without requiring process requalification |
| Halogen- and antimony-free "Green" construction | Contains <900 ppm Br, <900 ppm Cl, <1000 ppm Sb - satisfies stringent automotive and industrial material declarations |
| Moisture Sensitivity Level 1 | Eliminates bake requirements prior to reflow, reducing manufacturing cost and cycle time |
Applications
| Switch-Mode Power Supply Feedback | Overvoltage Protection Clamp |
|---|---|
Use Scenario: Regulating output voltage in isolated flyback converter feedback loop via optocoupler-coupled TL431 replacement. IC Role / Device Role / Timing Role: Zener diode provides precise 6.2 V reference to bias optocoupler LED, enabling closed-loop output voltage control. Use Value: Tight 6.2 V ±5% tolerance ensures ±1.5% output regulation accuracy without trimming components. | Use Scenario: Protecting 5 V logic rail from transient surges exceeding 5.5 V in industrial I/O modules. IC Role / Device Role / Timing Role: Shunt clamp activated when input exceeds 6.2 V, diverting excess current to ground before downstream IC damage. Use Value: 1.0 W power rating sustains 100 ms surge events up to 160 mA without degradation. |
| Low-Power Reference Source | Microcontroller Reset Circuit |
Use Scenario: Generating stable 6.2 V reference for ADC voltage reference in battery-powered sensor nodes. IC Role / Device Role / Timing Role: Provides low-drift, low-noise analog reference point independent of supply variation. Use Value: 3.0 µA reverse leakage at 5.0 V minimizes loading on high-impedance reference dividers. | Use Scenario: Holding microcontroller in reset until 5 V rail stabilizes above 4.75 V during power-up. IC Role / Device Role / Timing Role: Forms part of RC-reset network where zener clamps capacitor voltage to 6.2 V until rail reaches threshold. Use Value: Cathode band polarity enables unambiguous orientation in space-constrained reset circuit layouts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C6V2-7-F | 0.3 W rating, SOT-23 package, 6.2 V ±5%, higher ZZT (60 Ω @ 5 mA) | Lower power handling limits use to signal-level clamping only | Select for space-constrained PCBs where 1.0 W dissipation is unnecessary |
| 1N4735A | 1.0 W DO-41 through-hole package, 6.2 V ±5%, ZZT = 7 Ω @ 41 mA | Requires manual or wave soldering; unsuitable for fully SMT lines | Select when legacy through-hole assembly or lower dynamic impedance at high current is required |
Compared with BZX84-C6V2-7-F and 1N4735A, SMAZ6V2-13 uniquely balances 1.0 W SMT power handling, industry-standard SMA footprint, and production-ready RoHS/Green compliance - making it optimal for modern automated power supply and protection designs.
Availability
SMAZ6V2-13 is available at Aetrix Electronics and suitable for switch-mode power supplies, overvoltage protection circuits, low-power reference sources, and microcontroller reset circuits requiring stable component supply and full RoHS/halogen-free compliance.
Supply support for SMAZ6V2-13 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, serving industrial, computing, consumer, and communications markets with high-reliability components.
The SMAZ series belongs to Diodes Inc.'s surface-mount Zener diode product line, engineered specifically for automated assembly in power management and voltage reference applications demanding consistent regulation, thermal stability, and environmental compliance.
FAQ
What is the maximum steady-state zener current for SMAZ6V2-13 at room temperature?
The maximum steady-state zener current is calculated as PD/VZ = 1.0 W / 6.2 V ≈ 161 mA at TA = +25°C. This assumes no thermal derating and adequate PCB copper area to maintain junction temperature within limits. At elevated ambient temperatures, current must be reduced per the 10 mW/°C derating curve.
Does SMAZ6V2-13 have a defined forward voltage specification?
Yes - forward voltage is specified as VF = 1.2 V at IF = 200 mA. This value applies when the device is operated in forward conduction mode, such as in ESD protection configurations or reverse-polarity protection circuits where anode is biased positive relative to cathode.
How is polarity identified on the SMAZ6V2-13 package?
Polarity is marked by a cathode band - a visible inked stripe near one end of the SMA body. The terminal adjacent to the band is the cathode; the opposite end is the anode. This marking aligns with JEDEC DO-214AC standards and is verified in Diodes Inc.'s package outline drawings.
Is SMAZ6V2-13 suitable for use in automotive applications?
SMAZ6V2-13 meets AEC-Q200 stress test recommendations for passive components when qualified per Diodes Inc.'s automotive-grade variants (e.g., SMAZ6V2-13Q). The commercial version is rated for –65°C to +150°C operating temperature and complies with RoHS and halogen-free requirements, but automotive qualification requires explicit Q-grade ordering code and PPAP documentation.
SMAZ6V2-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Voltage - Zener (Nom) (Vz):
- 6.2 V
- Tolerance:
- ±5%
- Power - Max:
- 1 W
- Impedance (Max) (Zzt):
- 2 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 3 V
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 200 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMA
SMAZ6V2-13 FAQ
1.How can I place an order for SMAZ6V2-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAZ6V2-13 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 SMAZ6V2-13 reliable?
The price and inventory of SMAZ6V2-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMAZ6V2-13 is usually 5 days.
3.What payment methods are accepted for SMAZ6V2-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAZ6V2-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAZ6V2-13?
SMAZ6V2-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAZ6V2-13 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 SMAZ6V2-13?
For technical support, including SMAZ6V2-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAZ6V2-13 requirements.
6.How does Aetrix verify that SMAZ6V2-13 is sourced from the original manufacturer or authorized distributors?
All SMAZ6V2-13 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 SMAZ6V2-13 meets industry standards.
7.What is the process for return or replacement of SMAZ6V2-13?
All SMAZ6V2-13 units undergo pre-shipment inspection (PSI). If there is an issue with SMAZ6V2-13, 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 SMAZ6V2-13 part is unused and in its original packaging.
Return procedure for SMAZ6V2-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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