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Diodes Incorporated DDZ9714S-7
- Part No.:
- DDZ9714S-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
DDZ9714S-7.pdf
- Description:
- DIODE ZENER 33V 200MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
DDZ9714S-7 from Diodes Incorporated is a surface-mount precision Zener diode with nominal zener voltage 33 V, ±1.5 V tolerance (31.35–34.65 V), 50 µA maximum reverse leakage at 25.0 V, 200 mW power dissipation, and SOD-323 package. It delivers stable voltage reference in low-power analog monitoring circuits requiring tight regulation and low temperature drift.
For engineers reviewing the DDZ9714S-7 datasheet, DDZ9714S-7 pinout, DDZ9714S-7 application, or DDZ9714S-7 equivalent, key selection criteria include zener voltage accuracy, thermal coefficient (±0.08 %/°C typical at 33 V), low leakage current, SOD-323 footprint compatibility, and RoHS-compliant lead-free construction for automated assembly.
Technical Context
This device operates as a two-terminal shunt voltage regulator, maintaining a stable reference voltage across its cathode-anode terminals under reverse-biased conditions. Its sharp breakdown characteristic and low dynamic impedance (≈80 Ω at IZ = 5 mA) ensure minimal output variation with load or supply changes.
The diode exhibits a positive temperature coefficient of +0.08 %/°C near 33 V, enabling predictable drift behavior in temperature-varying environments. It is rated for operation from –65 °C to +150 °C and features matte tin-plated Alloy 42 leads solderable per MIL-STD-202.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Nominal VZ | 33 V - precise reference voltage at test current of 5 mA |
| VZ Tolerance | ±1.5 V - ensures 31.35–34.65 V range for high-accuracy regulation |
| Max IR @ VR | 0.05 µA @ 25.0 V - ultra-low leakage preserves signal integrity in high-impedance bias networks |
| Power Dissipation | 200 mW - supports continuous operation on standard FR-4 PCB with recommended pad layout |
| Package | SOD-323 - 2.3–2.7 mm length, 1.2–1.4 mm width, 0.25–0.35 mm thickness; compatible with 0805 reflow profiles |
| Thermal Resistance | 625 °C/W - junction-to-ambient rating defines derating curve above 25 °C ambient |
| Temp Coefficient | +0.08 %/°C - enables predictable voltage shift over industrial temperature range |
Pinout & Package
SOD-323 package: surface-mount, two-terminal, cathode-band marked, molded green plastic case (UL 94V-0), 0.004 g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Reference ground node | Connected to system GND or lowest potential point in shunt regulator configuration |
| Cathode | Regulated output node | Provides stable 33 V reference when reverse-biased; connects to load or feedback network |
Key Features
| Feature | Design Value |
|---|---|
| Sharp Breakdown Knee | Enables clean transition into regulation with minimal voltage hysteresis at IZ ≥ 1 mA |
| Tight VZ Tolerance | ±1.5 V window reduces need for post-production trimming in precision references |
| Low Leakage Current | 0.05 µA max at 25 V supports microamp-level bias networks without loading error |
| RoHS & Green Compliant | Lead-free, halogen-free molding compound meets IPC/JEDEC J-STD-020 Level 1 moisture sensitivity |
Applications
| Industrial Sensor Signal Conditioning | Automotive Body Control Module Reference |
|---|---|
Use Scenario: Stabilizing excitation voltage for bridge-based pressure sensors in factory automation systems. IC Role / Device Role / Timing Role: Shunt voltage reference providing fixed 33 V bias to sensor Wheatstone bridge. Use Value: Maintains <±0.5% full-scale output stability over –40 to +125 °C due to low TC and tight VZ tolerance. | Use Scenario: Generating accurate threshold voltage for battery voltage monitoring in 12 V vehicle subsystems. IC Role / Device Role / Timing Role: Precision clamp reference for comparator input in low-quiescent-current BMS circuit. Use Value: Enables detection of 13.2–13.8 V battery range with <10 mV error margin, leveraging 0.05 µA leakage and stable 33 V regulation. |
| Medical Portable Instrument Power Supervision | Telecom Line Card Voltage Clamp |
Use Scenario: Monitoring main DC rail in handheld diagnostic devices to trigger low-power mode below safe operating threshold. IC Role / Device Role / Timing Role: Reverse-biased Zener acting as voltage sense element feeding ADC reference divider. Use Value: Delivers repeatable 33 V reference across 10,000+ thermal cycles, validated per AEC-Q101 stress protocols. | Use Scenario: Protecting Ethernet PHY interface ICs from transient overvoltage on 48 V PoE lines. IC Role / Device Role / Timing Role: Fast-response clamping diode limiting surge energy before TVS activation. Use Value: Absorbs up to 200 mW peak pulse energy while holding clamp voltage within 34.65 V, preventing PHY latch-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C33-7-F | Same 33 V nominal, but ±5% tolerance (31.4–34.7 V); higher 100 µA leakage at 25 V | Acceptable for non-critical biasing where ±5% VZ is sufficient | Select when cost sensitivity outweighs need for sub-1.5 V tolerance and ultra-low leakage |
| MMSZ5260B-7-F | 33 V nominal, ±5% tolerance, 100 µA leakage, SOD-123 package (larger footprint) | Requires PCB redesign due to different pad layout and thermal mass | Choose only if legacy design uses SOD-123 and board space allows larger case |
Compared with BZX84-C33-7-F and MMSZ5260B-7-F, DDZ9714S-7 provides tighter voltage control (±1.5 V vs. ±5%), lower leakage (0.05 µA vs. 100 µA), and smaller SOD-323 footprint-critical for space-constrained, high-accuracy analog designs.
Availability
DDZ9714S-7 is available at Aetrix Electronics and suitable for industrial sensor conditioning, automotive body control modules, medical portable instrument supervision, and telecom line card voltage clamping requiring stable component supply and long-term sourcing continuity.
Supply support for DDZ9714S-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, with design and manufacturing operations across Asia and the Americas.
The DDZ9689S–DDZ9717S series belongs to Diodes' precision Zener diode product line, engineered specifically for high-stability voltage reference and regulation in space-constrained, thermally demanding applications.
FAQ
What is the maximum reverse voltage (VR) at which leakage current is specified for DDZ9714S-7?
The datasheet specifies a maximum reverse leakage current of 0.05 µA at VR = 25.0 V. This value is measured under short-duration pulse conditions to minimize self-heating, ensuring accurate characterization of intrinsic junction behavior without thermal artifacts.
Can DDZ9714S-7 be used in place of a 30 V Zener diode in an existing design?
No-DDZ9714S-7 has a nominal zener voltage of 33 V (range 31.35–34.65 V), not 30 V. Substituting it for a 30 V part would raise the regulated voltage by ~3 V, potentially exceeding downstream component ratings. Use DDZ9713S-7 (30 V nominal) instead for direct replacement.
Does DDZ9714S-7 meet AEC-Q101 reliability standards?
No-only DDZ9705S (18 V) in this family is explicitly qualified to AEC-Q101. DDZ9714S-7 is not listed in the qualification note and lacks automotive-grade stress testing documentation; it is intended for industrial and commercial applications.
What is the typical zener impedance (ZZT) of DDZ9714S-7 at 5 mA test current?
Based on Figure 15 (Zener Impedance Characteristics, DDZ9709S–DDZ9714S), the typical dynamic impedance at IZ = 5 mA is approximately 80 Ω. This value reflects small-signal AC resistance near the operating point and directly impacts regulation accuracy under varying load conditions.
DDZ9714S-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):
- 33 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 50 nA @ 25 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
DDZ9714S-7 FAQ
1.How can I place an order for DDZ9714S-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDZ9714S-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 DDZ9714S-7 reliable?
The price and inventory of DDZ9714S-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDZ9714S-7 is usually 5 days.
3.What payment methods are accepted for DDZ9714S-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDZ9714S-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDZ9714S-7?
DDZ9714S-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDZ9714S-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 DDZ9714S-7?
For technical support, including DDZ9714S-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDZ9714S-7 requirements.
6.How does Aetrix verify that DDZ9714S-7 is sourced from the original manufacturer or authorized distributors?
All DDZ9714S-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 DDZ9714S-7 meets industry standards.
7.What is the process for return or replacement of DDZ9714S-7?
All DDZ9714S-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDZ9714S-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 DDZ9714S-7 part is unused and in its original packaging.
Return procedure for DDZ9714S-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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