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Diodes Incorporated DDZ9713S-7
- Part No.:
- DDZ9713S-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
DDZ9713S-7.pdf
- Description:
- DIODE ZENER 30V 200MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:4,548
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Product details
Overview
DDZ9713S-7 from Diodes Incorporated is a surface-mount precision Zener diode with nominal Zener voltage 30 V (min 28.5 V, max 31.5 V), 200 mW power dissipation, 0.05 µA reverse leakage at 22.8 V, SOD-323 package, and ±1% initial tolerance - used for voltage reference and regulation in low-power analog circuits.
For engineers reviewing the DDZ9713S-7 datasheet, DDZ9713S-7 pinout, DDZ9713S-7 application, or DDZ9713S-7 equivalent, this page delivers verified electrical specs, thermal derating behavior, Zener impedance vs. current, temperature coefficient profile, and RoHS-compliant packaging details essential for precision biasing and reference design.
Technical Context
This device operates as a two-terminal shunt voltage regulator, maintaining stable output voltage across a defined Zener test current (IZT = 50 µA) with sharp breakdown characteristics and low dynamic impedance. Its thermal resistance (RθJA = 625 °C/W) and power derating curve define safe operating limits on standard FR-4 PCBs.
The Zener voltage exhibits a positive temperature coefficient of +0.08 %/°C at 30 V (Fig. 19), enabling predictable drift compensation in reference designs. Total capacitance is 1.5 pF at VR = 1 V, supporting high-frequency stability in feedback networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal VZ | 30 V - precise reference point at IZT = 50 µA, ±1% initial tolerance ensures tight voltage setting |
| VZ Range | 28.5 V to 31.5 V - guaranteed operating window under production variation and thermal equilibrium |
| Max IR @ VR | 0.05 µA at 22.8 V - ultra-low leakage preserves accuracy in high-impedance bias networks |
| Power Dissipation | 200 mW - defines maximum continuous power before thermal runaway on standard layout |
| Package | SOD-323 - 2.3–2.7 mm length, 1.2–1.4 mm width, 0.25–0.35 mm thickness; compatible with automated pick-and-place |
| Temp Coefficient | +0.08 %/°C - predictable +24 mV/°C drift enables temperature-compensated reference design |
| Total Capacitance | 1.5 pF @ VR = 1 V - minimal loading effect in high-speed feedback paths and oscillator circuits |
Pinout & Package
SOD-323 package: 2-terminal surface-mount case with cathode band marking; molded green plastic, UL 94V-0 rated, matte tin-plated Alloy 42 leadframe, polarity indicated by single black band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; common reference node in shunt regulation | Connected to lower-potential rail (e.g., ground or signal return); forms reference junction with cathode |
| Cathode | Zener breakdown terminal; voltage sensing node | Connected to regulated node; maintains fixed voltage drop relative to anode during reverse conduction |
Key Features
| Feature | Design Value |
|---|---|
| Very sharp breakdown | Low dynamic impedance (< 100 Ω typical at IZT) ensures minimal voltage shift under load transients |
| Tight VZ tolerance | ±1% initial accuracy reduces need for post-assembly trimming in precision references |
| Low leakage current | 0.05 µA max at 22.8 V prevents error accumulation in high-Z bias networks (e.g., op-amp inputs) |
| RoHS & "Green" compliant | No purposefully added lead; halogen-free molding compound meets automotive and industrial environmental requirements |
Applications
| Instrumentation Reference | Power Supply Feedback |
|---|---|
Use Scenario: Precision voltage reference in handheld multimeters and portable data loggers requiring stable 30 V reference over -40°C to +85°C. IC Role / Device Role / Timing Role: Shunt reference diode providing fixed 30 V node for ADC reference buffer and analog front-end calibration. Use Value: ±1% VZ tolerance and +0.08 %/°C TC enable < ±0.5% total error over full temperature range without external compensation. | Use Scenario: Secondary-side voltage sensing in isolated DC-DC converters using optocoupler feedback. IC Role / Device Role / Timing Role: Zener clamp defining feedback threshold for TL431-like control loop; sets 30 V trip point for overvoltage protection. Use Value: Low 0.05 µA leakage avoids loading optocoupler LED drive current; SOD-323 footprint saves board space in compact SMPS designs. |
| RF Bias Network | Industrial Sensor Excitation |
Use Scenario: Stable DC bias for GaAs FET amplifiers in 5G small-cell front-ends where RF noise must be minimized. IC Role / Device Role / Timing Role: Low-capacitance (1.5 pF) Zener providing clean 30 V gate bias while rejecting RF coupling via low impedance path. Use Value: Sharp breakdown and minimal parasitic capacitance prevent RF energy injection into bias rail, preserving amplifier linearity. | Use Scenario: Excitation voltage source for 3-wire RTD bridges in process control transmitters operating in harsh industrial environments. IC Role / Device Role / Timing Role: Precision shunt regulator supplying stable 30 V to bridge circuit, independent of supply rail fluctuations. Use Value: 200 mW rating supports continuous operation at 30 V × 6.7 mA; SOD-323 allows conformal coating compatibility for moisture resistance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C30LT1G | Same 30 V nominal, but ±5% tolerance and higher 1 µA leakage at 24 V | Acceptable for non-critical biasing; unsuitable for sub-1% reference designs | Select when cost sensitivity outweighs precision; verify thermal derating margin due to higher RθJA (750 °C/W) |
| MMSZ5257ET1G | 30 V nominal, ±5% tolerance, 100 mW rating, SOD-123 package | Limited power handling requires reduced IZT; larger footprint increases board area | Choose only if legacy SOD-123 layout exists; avoid in new designs needing 200 mW or tight TC performance |
Compared with BZX84-C30LT1G and MMSZ5257ET1G, DDZ9713S-7 delivers superior initial accuracy (±1% vs. ±5%), lower leakage (0.05 µA vs. ≥1 µA), and higher power capability (200 mW vs. 200/100 mW), making it optimal for precision analog reference and industrial sensor excitation where stability and long-term drift matter.
Availability
DDZ9713S-7 is available at Aetrix Electronics and suitable for instrumentation reference, power supply feedback, RF bias network, and industrial sensor excitation requiring stable component supply, consistent parametric performance, and RoHS-compliant sourcing.
Supply support for DDZ9713S-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, headquartered in Plano, Texas, serving automotive, industrial, computing, and consumer markets with high-reliability components.
The DDZ9689S–DDZ9717S series was designed specifically for precision voltage reference applications demanding tight tolerance, low leakage, and stable temperature coefficient in miniature surface-mount packages for automated manufacturing.
FAQ
What is the recommended PCB pad layout for DDZ9713S-7?
The official suggested pad layout (Document AP02001) specifies 0.65 mm pad width, 1.35 mm pad length, 1.05 mm solder mask opening, and 2.40 mm center-to-center spacing. These dimensions ensure reliable reflow soldering, mechanical strength, and thermal dissipation matching the 625 °C/W RθJA rating on FR-4 boards.
Does DDZ9713S-7 meet AEC-Q101 reliability standards?
No - DDZ9713S-7 is not AEC-Q101 qualified. While the related DDZ9705S (part number note 5) is explicitly qualified to AEC-Q101, DDZ9713S-7 appears only in the general-purpose precision Zener family and carries no automotive qualification statement in DS30409 Rev. 6-2.
How does the temperature coefficient affect long-term stability at 30 V?
With a measured +0.08 %/°C TC, DDZ9713S-7 drifts +24 mV per °C rise from 25°C baseline. Over a -40°C to +125°C range, total drift is approximately ±1.2 V - predictable and compensatable in closed-loop systems, unlike uncharacterized Zeners with nonlinear TC behavior.
Can DDZ9713S-7 replace a 24 V Zener in existing designs?
No - DDZ9713S-7 is a fixed 30 V device and cannot substitute for 24 V Zeners like DDZ9709S-MF without circuit redesign. Voltage mismatch would cause incorrect regulation, excessive power dissipation, or failure to reach breakdown, violating the specified 22.8 V VR test condition.
DDZ9713S-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):
- 30 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 50 nA @ 22.8 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
DDZ9713S-7 FAQ
1.How can I place an order for DDZ9713S-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDZ9713S-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 DDZ9713S-7 reliable?
The price and inventory of DDZ9713S-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDZ9713S-7 is usually 5 days.
3.What payment methods are accepted for DDZ9713S-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDZ9713S-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDZ9713S-7?
DDZ9713S-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDZ9713S-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 DDZ9713S-7?
For technical support, including DDZ9713S-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDZ9713S-7 requirements.
6.How does Aetrix verify that DDZ9713S-7 is sourced from the original manufacturer or authorized distributors?
All DDZ9713S-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 DDZ9713S-7 meets industry standards.
7.What is the process for return or replacement of DDZ9713S-7?
All DDZ9713S-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDZ9713S-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 DDZ9713S-7 part is unused and in its original packaging.
Return procedure for DDZ9713S-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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