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Diodes Incorporated DDZ9700S-7
- Part No.:
- DDZ9700S-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
DDZ9700S-7.pdf
- Description:
- DIODE ZENER 13V 200MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
DDZ9700S-7 from Diodes Incorporated is a surface-mount precision Zener diode with nominal Zener voltage 13 V, ±4% tolerance (12.35–13.65 V), 200 mW power dissipation, and ultra-low reverse leakage current of 0.05 µA at 9.8 V. It uses SOD-323 package and serves as a stable voltage reference in low-power analog sensing and power rail regulation circuits.
For engineers reviewing the DDZ9700S-7 datasheet, DDZ9700S-7 pinout, DDZ9700S-7 application, or DDZ9700S-7 equivalent, key selection criteria include Zener voltage accuracy, thermal coefficient (±0.06 %/°C typical at 13 V), junction-to-ambient thermal resistance (625 °C/W), and RoHS-compliant "Green" packaging for automated SMT assembly.
Technical Context
This device operates in reverse-bias breakdown mode to maintain precise DC voltage under varying load and temperature conditions. Its sharp knee characteristic and tight 4% VZ tolerance enable high-accuracy referencing without trimming. The 0.05 µA leakage at 9.8 V ensures minimal error contribution in high-impedance bias networks.
Designed for thermal stability, it exhibits a typical temperature coefficient of +0.06 %/°C near 13 V - optimized for mid-voltage references where TC crosses zero - and derates linearly above 25°C per the 625 °C/W RθJA rating on FR-4 PCBs with recommended pad layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 13 V nominal, 12.35–13.65 V range at IZT = 5 mA - enables ±4% reference accuracy without calibration |
| Power Dissipation (PD) | 200 mW at TA = 25°C - supports stable operation in compact, unheatsinked layouts |
| Reverse Leakage (IR) | 0.05 µA max at VR = 9.8 V - minimizes current error in high-Z feedback or bias paths |
| Zener Impedance (ZZT) | Typical 30 Ω at IZT = 5 mA - ensures low AC impedance for noise-sensitive reference nodes |
| Thermal Resistance (RθJA) | 625 °C/W - defines maximum allowable ambient rise before junction exceeds 150°C limit |
| Operating Temperature | −65°C to +150°C - qualified for industrial and extended-temperature automotive subsystems |
Pinout & Package
Package: SOD-323 - ultra-compact 2-pin surface-mount plastic case (2.30–2.70 mm length, 1.20–1.40 mm width, 0.25–0.35 mm thickness), cathode marked by band, matte tin-plated terminals, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Reference ground node | Connected to circuit common; forms low-impedance return path during forward bias or Zener shunt operation |
| Cathode | Zener breakdown terminal / Voltage reference output | Provides stable 13 V reference when reverse-biased; polarity marked by band on package body |
Key Features
| Feature | Design Value |
|---|---|
| Very sharp breakdown knee | Enables clean transition into regulation with minimal voltage hysteresis across operating current range |
| Tight 4% VZ tolerance | Reduces need for post-assembly trimming in precision voltage monitor and ADC reference designs |
| Lead-free & RoHS compliant | Meets global environmental compliance requirements without compromising solderability or reliability |
| Low 0.05 µA leakage at 9.8 V | Preserves accuracy in battery-powered sensor nodes and high-impedance divider networks |
Applications
| Voltage Reference for Analog Sensors | Overvoltage Protection Clamp |
|---|---|
Use Scenario: Providing stable excitation voltage to bridge-based pressure sensors in industrial transmitters. IC Role / Device Role / Timing Role: Precision shunt reference supplying regulated 13 V to sensor Wheatstone bridge. Use Value: Maintains <±0.5% full-scale output drift over −40°C to +85°C due to low TC and tight VZ tolerance. | Use Scenario: Clamping transient surges on 12 V automotive control bus lines. IC Role / Device Role / Timing Role: Low-leakage Zener clamp absorbing ESD and load-dump energy above 13 V threshold. Use Value: Limits peak voltage to 13.65 V while drawing only 0.05 µA standby current - avoids loading MCU supply rails. |
| Low-Power ADC Reference | Microcontroller Reset Supervisor |
Use Scenario: Supplying reference voltage to 12-bit SAR ADC in portable medical monitoring devices. IC Role / Device Role / Timing Role: Shunt reference generating accurate 13 V reference scaled down to 2.5 V via resistor divider. Use Value: Delivers <1 LSB integral nonlinearity error over 10 kΩ source impedance thanks to 30 Ω ZZT. | Use Scenario: Monitoring 12 V system rail to assert reset signal when voltage drops below safe threshold. IC Role / Device Role / Timing Role: Reverse-biased Zener feeding comparator input to detect undervoltage condition. Use Value: Enables reliable reset assertion at 12.35 V (VZ min) with negligible quiescent current draw in normal operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C13-7-F | Same SOD-323 package, but ±5% VZ tolerance (12.35–13.65 V same range), higher 0.1 µA leakage at 10 V | Suitable for cost-sensitive consumer applications where ±5% accuracy is acceptable | Select if tighter leakage spec is not required and BOM consolidation with other BZX84 variants is prioritized |
| MMSZ4688T1G | SOD-123 package (larger footprint), ±5% VZ, 0.1 µA leakage at 10 V, 500 mW PD | Better power handling for transient clamping, but less suitable for space-constrained PCBs | Choose when higher surge energy absorption is needed and board area permits larger SOD-123 footprint |
Compared with BZX84-C13-7-F and MMSZ4688T1G, DDZ9700S-7 delivers superior voltage accuracy (±4% vs ±5%), lower leakage (0.05 µA vs 0.1 µA), and smaller SOD-323 footprint - making it optimal for high-density, precision-referenced industrial and automotive modules.
Availability
DDZ9700S-7 is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body electronics, and portable medical instrumentation requiring stable component supply and long-term manufacturability.
Supply support for DDZ9700S-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, application-optimized components for industrial, automotive, and computing markets.
The DDZ9689S–DDZ9717S series was developed specifically for precision voltage referencing in space-constrained, thermally demanding environments - emphasizing tight VZ tolerance, low leakage, and robust SMT manufacturability.
FAQ
What is the maximum Zener test current (IZT) for DDZ9700S-7?
The datasheet specifies IZT = 5 mA for all devices in the DDZ9689S–DDZ9717S family, including DDZ9700S-7. This current defines the measurement condition for nominal VZ, Zener impedance, and temperature coefficient - and must be maintained within ±10% for repeatable characterization.
Can DDZ9700S-7 be used in place of a 12 V Zener diode?
No - DDZ9700S-7 is a 13 V nominal device (12.35–13.65 V range). Substituting it for a true 12 V Zener (e.g., DDZ9694S at 8.2 V or DDZ9699S at 12 V) would raise the reference or clamp voltage by ~1 V, potentially causing overvoltage in downstream circuitry or incorrect trip thresholds.
Is DDZ9700S-7 qualified to AEC-Q101?
No - only DDZ9705S (18 V) and higher-voltage variants in this series (DDZ9705S through DDZ9717S) are explicitly qualified to AEC-Q101. DDZ9700S-7 is rated for industrial temperature range (−65°C to +150°C) but lacks formal automotive qualification documentation.
What is the typical Zener impedance (ZZT) at 5 mA for DDZ9700S-7?
Based on Figure 13 in DS30409 Rev. 6-2 (covering DDZ9699S–DDZ9705S), the typical ZZT for the 13 V device is approximately 30 Ω at IZT = 5 mA. This value reflects dynamic resistance in regulation region and directly impacts AC ripple rejection in reference applications.
DDZ9700S-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 13 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 50 nA @ 9.8 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-323
DDZ9700S-7 FAQ
1.How can I place an order for DDZ9700S-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDZ9700S-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 DDZ9700S-7 reliable?
The price and inventory of DDZ9700S-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDZ9700S-7 is usually 5 days.
3.What payment methods are accepted for DDZ9700S-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDZ9700S-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDZ9700S-7?
DDZ9700S-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDZ9700S-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 DDZ9700S-7?
For technical support, including DDZ9700S-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDZ9700S-7 requirements.
6.How does Aetrix verify that DDZ9700S-7 is sourced from the original manufacturer or authorized distributors?
All DDZ9700S-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 DDZ9700S-7 meets industry standards.
7.What is the process for return or replacement of DDZ9700S-7?
All DDZ9700S-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDZ9700S-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 DDZ9700S-7 part is unused and in its original packaging.
Return procedure for DDZ9700S-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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