Diodes Incorporated DDZ9690S-7
- Part No.:
- DDZ9690S-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
DDZ9690S-7.pdf
- Description:
- DIODE ZENER 5.6V 200MW SOD323
- Quantity:
- Payment:

- Shipping:

Inventory:45,060
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Product details
Overview
DDZ9690S-7 from Diodes Incorporated is a surface-mount precision Zener diode with nominal Zener voltage 5.6 V (min 5.32 V, max 5.88 V), 200 mW power dissipation, 2 µA maximum reverse leakage at 4 V, and SOD-323 package. It delivers sharp breakdown characteristics and tight ±5% VZ tolerance for voltage reference and regulation in low-power analog circuits.
For engineers reviewing the DDZ9690S-7 datasheet, DDZ9690S-7 pinout, DDZ9690S-7 application, or DDZ9690S-7 equivalent, key selection criteria include Zener voltage accuracy at IZT = 5 mA, thermal resistance (625 °C/W), low capacitance (~30 pF), RoHS-compliant "Green" construction, and suitability for automated SMT assembly on FR-4 PCBs.
Technical Context
This device operates as a two-terminal voltage reference diode, conducting in reverse bias above its specified Zener breakdown threshold. Its sharp knee and low dynamic impedance (typically < 30 Ω at 5 mA) enable stable regulation under varying load conditions.
Designed for thermal equilibrium measurement at 30°C ±1°C, it exhibits a temperature coefficient of approximately +0.03 %/°C near 5.6 V and maintains leakage below 2 µA up to 4 V reverse bias - critical for low-current biasing and sensing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (Nom) | 5.6 V - precise reference point for 5 V rail stabilization and analog circuit biasing |
| Zener Voltage Range | 5.32–5.88 V - ±5% tolerance ensures predictable clamping across production lots |
| Power Dissipation | 200 mW - supports continuous operation at 5 mA × 5.6 V without derating at 25°C |
| Reverse Leakage | 2 µA @ 4 V - enables use in high-impedance feedback networks without loading error |
| Thermal Resistance | 625 °C/W - requires minimal copper area for thermal management on standard FR-4 layout |
| Capacitance | ~30 pF @ 0 V - low enough to avoid signal integrity degradation in kHz-range references |
| Package | SOD-323 - 1.2–1.4 mm width, 2.3–2.7 mm length, compatible with 0805 footprint automation |
Pinout & Package
Two-terminal SOD-323 package with cathode band marking; no internal leads or active pins - anode and cathode are exposed metalized terminals on molded plastic body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse bias reference ground node | Connected to lower-potential side in shunt regulator configuration; defines reference return path |
| Cathode | Forward current exit / Zener breakdown output node | Connected to regulated voltage rail; provides stable 5.6 V reference when reverse-biased above VZ |
Key Features
| Feature | Design Value |
|---|---|
| Very sharp breakdown knee | Enables clean transition into regulation with minimal voltage hysteresis at IZT = 5 mA |
| Tight VZ tolerance (±5%) | Reduces need for post-assembly trimming in precision voltage monitor circuits |
| Low leakage (2 µA @ 4 V) | Preserves accuracy in high-resistance divider networks used with op-amp inputs |
| RoHS-compliant & "Green" molding | Meets IPC-J-STD-020 Level 1 moisture sensitivity and eliminates halogenated flame retardants |
| Matte tin terminations | Ensures reliable solder wetting and intermetallic formation during reflow per MIL-STD-202 |
Applications
| ADC Reference Buffer | USB Port Overvoltage Clamp |
|---|---|
Use Scenario: Stabilizing 5 V reference input to 12-bit SAR ADC in industrial data acquisition module. IC Role / Device Role / Timing Role: Shunt voltage reference providing low-noise, temperature-stable 5.6 V bias for ADC's internal reference buffer amplifier. Use Value: Maintains ±0.5 LSB linearity over 0–70°C due to low TC and tight VZ tolerance. | Use Scenario: Protecting USB 2.0 D+ and D− lines from ESD transients and accidental 12 V misconnection. IC Role / Device Role / Timing Role: Low-capacitance Zener clamp placed between differential pair and ground to limit common-mode voltage swing. Use Value: 30 pF capacitance avoids signal rise-time degradation while clamping spikes >5.6 V within 1 ns. |
| Low-Power Sensor Bias | Microcontroller Reset Monitor |
Use Scenario: Supplying excitation voltage to MEMS pressure sensor operating from coin-cell battery. IC Role / Device Role / Timing Role: Precision shunt regulator delivering stable 5.6 V to sensor bridge, drawing only 2 µA quiescent leakage. Use Value: Enables >10-year battery life by minimizing standby current while maintaining sensor full-scale accuracy. | Use Scenario: Monitoring 5 V system rail to assert reset signal when voltage drops below 4.75 V. IC Role / Device Role / Timing Role: Zener-based comparator input reference, paired with discrete transistor and RC delay network. Use Value: Predictable 5.6 V threshold allows accurate reset window definition with ±25 mV margin over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C5V6 | Same 5.6 V nominal, but ±6% tolerance and higher 5 µA leakage at 4 V | Less suitable for high-accuracy sensor bias; acceptable for general-purpose clamping | Select if cost sensitivity outweighs leakage and tolerance requirements |
| MMSZ5232BS-7-F | 5.6 V nominal, ±5% tolerance, but 100 mW rating and 10 µA leakage at 4 V | Limited to lower-power rails; not recommended for sustained 5 mA operation | Choose only for space-constrained designs where 200 mW derating is unnecessary |
Compared with BZX84-C5V6 and MMSZ5232BS-7-F, DDZ9690S-7 offers superior leakage performance and full 200 mW capability in the same SOD-323 footprint - making it optimal for precision, continuous-duty reference applications demanding long-term stability.
Availability
DDZ9690S-7 is available at Aetrix Electronics and suitable for voltage reference design, analog sensor interface, USB port protection, and microcontroller reset monitoring requiring stable component supply and consistent parametric performance across production batches.
Supply support for DDZ9690S-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.
This device belongs to the DDZ9689S–DDZ9717S precision Zener series, engineered specifically for high-accuracy voltage referencing in space-constrained, low-power analog systems where thermal stability and process consistency are critical.
FAQ
What is the test condition for the specified Zener voltage?
The nominal Zener voltage of 5.6 V is measured at IZT = 5 mA with the device junction at thermal equilibrium at 30°C ±1°C. This ensures repeatable characterization independent of self-heating effects during testing.
Can DDZ9690S-7 be used in place of a 5.1 V Zener diode?
No - DDZ9690S-7 is specified at 5.6 V nominal with 5.32–5.88 V range. Substituting it for a 5.1 V part would shift reference or clamp thresholds by ~10%, potentially violating system voltage margins and causing functional failure in tightly specified circuits.
Is this device qualified for automotive applications?
No - DDZ9690S-7 is not AEC-Q101 qualified. While the datasheet notes that DDZ9705S is qualified, DDZ9690S-7 lacks automotive-grade screening, temperature range extension beyond −65°C to +150°C, and stress-test validation required for automotive use.
How does the SOD-323 package affect thermal performance?
With RθJA = 625 °C/W on FR-4 board using recommended pad layout, the SOD-323 limits continuous power dissipation to 200 mW at 25°C ambient. At 70°C ambient, derated power drops to ~120 mW - requiring careful thermal layout in enclosed or high-temperature environments.
DDZ9690S-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):
- 5.6 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 2 µA @ 4 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
DDZ9690S-7 FAQ
1.How can I place an order for DDZ9690S-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDZ9690S-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 DDZ9690S-7 reliable?
The price and inventory of DDZ9690S-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDZ9690S-7 is usually 5 days.
3.What payment methods are accepted for DDZ9690S-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDZ9690S-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDZ9690S-7?
DDZ9690S-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDZ9690S-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 DDZ9690S-7?
For technical support, including DDZ9690S-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDZ9690S-7 requirements.
6.How does Aetrix verify that DDZ9690S-7 is sourced from the original manufacturer or authorized distributors?
All DDZ9690S-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 DDZ9690S-7 meets industry standards.
7.What is the process for return or replacement of DDZ9690S-7?
All DDZ9690S-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDZ9690S-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 DDZ9690S-7 part is unused and in its original packaging.
Return procedure for DDZ9690S-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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