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Diodes Incorporated DDZ9692T-7
- Part No.:
- DDZ9692T-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
DDZ9692T-7.pdf
- Description:
- DIODE ZENER 6.8V 150MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:26,343
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Product details
Overview
DDZ9692T-7 from Diodes Incorporated is a surface-mount Zener diode with nominal zener voltage 6.8 V (min 6.46 V, max 7.14 V), 150 mW power dissipation, 0.1 µA reverse leakage at 5.1 V, and SOD523 package. It provides precise voltage regulation in low-power biasing, reference, and protection circuits for portable electronics and sensor interfaces.
For engineers reviewing the DDZ9692T-7 datasheet, DDZ9692T-7 pinout, DDZ9692T-7 application, or DDZ9692T-7 equivalent, key selection criteria include zener voltage tolerance, low leakage at rated VR, thermal resistance (833 °C/W), and compatibility with automated SMT assembly on FR-4 PCBs using standard SOD523 pad layout.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable voltage across its terminals under controlled current conditions. Its sharp breakdown characteristic and low leakage (0.1 µA @ 5.1 V) enable high-accuracy voltage referencing in low-current applications such as ADC references and microcontroller reset supervision.
The device uses an alloy-42 leadframe with matte tin annealed finish, rated for moisture sensitivity level 1 per J-STD-020D, and achieves thermal resistance of 833 °C/W when mounted on FR-4 with recommended pad layout - critical for derating above +25°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (Nom) | 6.8 V - stable regulation point at test current IZT = 50 µA |
| Zener Voltage Range | 6.46 V to 7.14 V - ±5% tolerance band defining production yield limits |
| Max Reverse Leakage | 0.1 µA @ 5.1 V - ensures minimal quiescent current in high-impedance bias networks |
| Power Dissipation | 150 mW - maximum steady-state power at TA = +25°C with specified PCB layout |
| Thermal Resistance | 833 °C/W - junction-to-ambient value used to calculate temperature rise under load |
| Forward Voltage | 0.9 V @ IF = 10 mA - defines conduction threshold in forward-biased protection configurations |
| Operating Temp | −65°C to +150°C - supports industrial and automotive under-hood environments |
Pinout & Package
Package: SOD523 - ultra-small, low-profile surface-mount plastic case (0.55–0.65 mm height, 0.75–0.85 mm width, 1.15–1.25 mm length), cathode indicated by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / reverse breakdown return path | Connected to lower-potential node in regulation or clamping configuration |
| Cathode | Zener voltage reference output / reverse breakdown input | Marked terminal; delivers regulated voltage relative to anode under reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| Sharp breakdown knee | Enables tight regulation with minimal current change over voltage range - critical for precision analog references |
| Low leakage current | 0.1 µA at 5.1 V allows use in nanoampere-level bias networks without degrading accuracy |
| SOD523 footprint | 0.002 g weight and 1.25 mm × 0.85 mm outline support high-density portable PCB layouts |
| Lead-free & green construction | Meets RoHS 2 and halogen/antimony-free requirements (<900 ppm Br/Cl, <1000 ppm Sb) for eco-compliant designs |
Applications
| ADC Reference Voltage Source | Microcontroller Reset Supervisor |
|---|---|
Use Scenario: Providing stable 6.8 V reference for 12-bit SAR ADC in battery-powered sensor node. IC Role / Device Role / Timing Role: Zener diode acts as shunt voltage reference, sinking excess current to maintain fixed voltage at ADC REF+ pin. Use Value: Low 0.1 µA leakage prevents loading of high-impedance divider network; ±5% VZ tolerance meets 1 LSB error budget for 3.3 V full-scale conversion. |
Use Scenario: Monitoring 5 V supply rail to assert reset signal when voltage drops below 4.75 V in embedded controller system. IC Role / Device Role / Timing Role: Zener configured in series with resistor and transistor base to trigger reset at defined threshold. Use Value: Sharp breakdown enables clean transition; 833 °C/W RθJA allows reliable operation up to +85°C ambient without thermal runaway. |
| ESD Protection Clamp | Low-Power Bias Network |
Use Scenario: Protecting I²C data line against ±8 kV HBM ESD events in industrial gateway module. IC Role / Device Role / Timing Role: Zener placed between SDA and ground to clamp transient overvoltage while preserving signal integrity. Use Value: 150 mW rating handles short-duration ESD pulses; SOD523 size fits inline with 0.4 mm pitch routing. |
Use Scenario: Generating bias voltage for op-amp input stage in ultra-low-power wearable health monitor. IC Role / Device Role / Timing Role: Zener supplies stable 6.8 V to high-impedance op-amp non-inverting input via current-limiting resistor. Use Value: Sub-microamp leakage avoids drift in picoampere-level input bias currents; −65°C to +150°C range supports body-worn 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 |
|---|---|---|---|
| BZX584-C6V8 | Same 6.8 V nominal, but ±5% tolerance and 200 mW rating in SOD323 package | Larger footprint (1.7 mm × 1.3 mm) and higher power allow higher current regulation but reduce board density | Select when higher power margin or legacy SOD323 layout reuse is required |
| MMSZ4687 | 6.8 V nominal, ±5%, 500 mW rating in SOD123 package; VF = 0.9 V same, but IR = 1 µA @ 5.1 V | Higher leakage and larger package limit use in nanoampere-bias or space-constrained designs | Prefer only where higher power handling outweighs leakage and size penalties |
Compared with BZX584-C6V8 and MMSZ4687, DDZ9692T-7 offers the smallest footprint (SOD523), lowest leakage (0.1 µA), and tightest thermal resistance control for FR-4 mounting - making it optimal for miniaturized, low-quiescent-current applications where board area and precision are prioritized over raw power capacity.
Availability
DDZ9692T-7 is available at Aetrix Electronics and suitable for portable medical sensors, industrial IoT edge nodes, and automotive cabin electronics requiring stable component supply with consistent parametric performance across temperature and volume production.
Supply support for DDZ9692T-7 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, specializing in high-reliability, energy-efficient components for industrial, computing, consumer, and automotive markets.
This device belongs to Diodes' surface-mount Zener diode family designed specifically for compact, low-leakage voltage regulation in space- and power-constrained applications - emphasizing manufacturability, environmental compliance, and parametric consistency.
FAQ
What is the maximum zener test current (IZT) for DDZ9692T-7?
The datasheet specifies IZT = 50 µA for DDZ9692T-7. This is the standardized test current used to measure nominal zener voltage (6.8 V) and define the voltage range (6.46 V to 7.14 V). Operation outside this current may shift VZ due to dynamic impedance effects shown in Figure 10.
Can DDZ9692T-7 be used in forward-bias applications?
Yes - its forward voltage is 0.9 V at 10 mA, making it suitable for low-drop rectification or polarity protection. However, it is not optimized for continuous forward conduction; maximum forward current is limited by 150 mW power dissipation and thermal resistance, requiring derating above +25°C ambient.
Is the SOD523 package compatible with standard reflow profiles?
Yes - the SOD523 package is qualified for lead-free reflow per JEDEC J-STD-020D, with moisture sensitivity level 1 (unlimited floor life at ≤30°C/60% RH). Recommended peak reflow temperature is 260°C for ≤30 seconds, matching standard Pb-free profiles used in high-volume SMT lines.
How does temperature affect the zener voltage of DDZ9692T-7?
Figure 16 shows the temperature coefficient for 6.2–9.1 V devices (including DDZ9692T-7) ranges from approximately −0.02%/°C to +0.08%/°C. At 6.8 V, typical TC is +0.04%/°C - meaning VZ increases ~2.7 mV/°C over the −65°C to +150°C range, critical for high-accuracy reference designs.
DDZ9692T-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.8 V
- Tolerance:
- ±5%
- Power - Max:
- 150 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 100 nA @ 5.1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
DDZ9692T-7 FAQ
1.How can I place an order for DDZ9692T-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDZ9692T-7 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 DDZ9692T-7 reliable?
The price and inventory of DDZ9692T-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDZ9692T-7 is usually 5 days.
3.What payment methods are accepted for DDZ9692T-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDZ9692T-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDZ9692T-7?
DDZ9692T-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDZ9692T-7 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 DDZ9692T-7?
For technical support, including DDZ9692T-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDZ9692T-7 requirements.
6.How does Aetrix verify that DDZ9692T-7 is sourced from the original manufacturer or authorized distributors?
All DDZ9692T-7 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 DDZ9692T-7 meets industry standards.
7.What is the process for return or replacement of DDZ9692T-7?
All DDZ9692T-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDZ9692T-7, 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 DDZ9692T-7 part is unused and in its original packaging.
Return procedure for DDZ9692T-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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