My Inquiry
My Account
Diodes Incorporated DDZ9702S-7
- Part No.:
- DDZ9702S-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
DDZ9702S-7.pdf
- Description:
- DIODE ZENER 15V 200MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:18,686
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DDZ9702S-7 from Diodes Incorporated is a surface-mount precision Zener diode with nominal Zener voltage 15 V, ±5% tolerance (14.25–15.75 V), 200 mW power dissipation, 0.05 μA maximum reverse leakage at 11.4 V, and SOD-323 package. It delivers stable voltage reference in low-power analog monitoring, power supply feedback loops, and overvoltage protection circuits.
For engineers reviewing the DDZ9702S-7 datasheet, DDZ9702S-7 pinout, DDZ9702S-7 application, or DDZ9702S-7 equivalent, key selection criteria include Zener voltage accuracy, low leakage at rated VR, thermal resistance (625 °C/W), sharp breakdown knee, and RoHS-compliant "Green" packaging for automated SMT assembly.
Technical Context
This device operates as a two-terminal shunt voltage regulator, maintaining a stable reference by conducting reverse current above its specified Zener voltage. Its sharp breakdown characteristic ensures minimal voltage variation across operating current range (10–100 μA typical test conditions).
Designed for thermal stability in compact layouts, it exhibits a temperature coefficient of approximately +0.07 %/°C near 15 V (inferred from Fig. 18 trend), and achieves <15 Ω dynamic impedance at IZ = 5 mA per typical Zener impedance curve (Fig. 13).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (Nominal) | 15 V - Stable regulation point for mid-range voltage references |
| Zener Voltage Tolerance | ±5% (14.25–15.75 V) - Tight tolerance enables high-accuracy feedback without trimming |
| Power Dissipation | 200 mW - Supports continuous operation at up to 13.3 mA @ 15 V on FR-4 PCB |
| Reverse Leakage Current | ≤0.05 μA @ 11.4 V - Ensures negligible error current in high-impedance bias networks |
| Thermal Resistance | 625 °C/W - Requires derating above 25°C ambient; full power only at TA ≤ 25°C |
| Package | SOD-323 - 2.3–2.7 mm length, 1.2–1.4 mm width, 0.25–0.35 mm thickness; compatible with 0805 footprint |
| RoHS Compliance | Lead-free by design, "Green" molding compound - Meets IPC/JEDEC J-STD-020 Level 1 moisture sensitivity |
Pinout & Package
SOD-323 is a miniature plastic surface-mount package with cathode-banded polarity marking. Terminals are matte tin-plated Alloy 42 leads, solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Reference ground node in shunt configuration | Connected to system ground or lower-potential rail; forms return path during Zener conduction |
| Cathode | Zener voltage output terminal / Input node in shunt configuration | Connected to regulated node; voltage at this terminal clamps to VZ when reverse-biased above breakdown |
Key Features
| Feature | Design Value |
|---|---|
| Very sharp breakdown characteristics | Low dynamic impedance (~12–15 Ω @ 5 mA) ensures minimal voltage shift under load transients |
| Tight VZ tolerance (±5%) | Reduces need for post-assembly calibration in precision voltage monitors and ADC references |
| Very low leakage (≤0.05 μA) | Preserves accuracy in high-resistance divider networks and battery-powered sensor interfaces |
| SOD-323 package with Level 1 MSL | Enables high-density placement and reflow compatibility without baking requirements |
Applications
| Industrial Sensor Signal Conditioning | USB-C Power Delivery Feedback |
|---|---|
Use Scenario: Stabilizing reference voltage for 16-bit SAR ADCs in temperature and pressure transmitters. IC Role / Device Role / Timing Role: Shunt voltage reference providing precise 15 V bias to op-amp gain stages and ADC reference buffers. Use Value: ±5% VZ tolerance and sub-0.1 μA leakage minimize offset drift and quantization error across -40°C to +85°C. | Use Scenario: Setting feedback threshold in secondary-side CC/CV controllers for USB PD 3.0 adapters. IC Role / Device Role / Timing Role: Precision clamp regulating optocoupler input current to maintain ±1% output voltage accuracy. Use Value: Sharp knee and low dynamic impedance ensure fast response to load-step-induced voltage excursions. |
| Programmable Logic Controller I/O Protection | Automotive Body Control Module Voltage Monitor |
Use Scenario: Overvoltage clamping on 24 V digital input channels exposed to inductive switching transients. IC Role / Device Role / Timing Role: Transient voltage suppressor limiting input to safe levels before signal conditioning circuitry. Use Value: 200 mW rating and 625 °C/W RθJA allow sustained clamping without thermal runaway during repetitive 100 ns spikes. | Use Scenario: Monitoring 12 V battery rail health in BCM microcontroller power domains. IC Role / Device Role / Timing Role: Low-current Zener reference feeding comparator hysteresis network for brown-out detection. Use Value: 0.05 μA leakage prevents measurable loading on high-impedance divider, preserving detection threshold accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX84-C15LT1G | Same SOD-323 package; ±5% VZ (14.3–15.7 V); higher max IR (0.1 μA @ 12 V) | Higher leakage reduces suitability in ultra-low-power sensor nodes | Prefer DDZ9702S-7 where leakage <0.05 μA is required at VR ≥11.4 V |
| MMSZ5245B-7-F | SOD-123 package; ±5% VZ (14.25–15.75 V); same 200 mW rating; RθJA ≈ 500 °C/W | Larger footprint and different thermal profile affects board space and power handling | Choose DDZ9702S-7 for designs constrained to SOD-323 layout or requiring Level 1 MSL compliance |
Compared with BZX84-C15LT1G and MMSZ5245B-7-F, DDZ9702S-7 offers the lowest reverse leakage at rated VR and strictest alignment with AEC-Q101-relevant reliability practices (per DS30409 Rev. 6 footnote 5 for adjacent part DDZ9705S), making it preferred for high-accuracy, low-power industrial monitoring.
Availability
DDZ9702S-7 is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, USB-C power delivery feedback, and programmable logic controller I/O protection requiring stable component supply and consistent Zener voltage performance.
Supply support for DDZ9702S-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 US.
The DDZ9689S–DDZ9717S series belongs to Diodes' precision Zener diode product line, engineered specifically for high-stability voltage referencing in space-constrained, automated-assembly environments.
FAQ
What is the maximum Zener test current (IZT) specified for DDZ9702S-7?
The datasheet specifies IZT = 50 μA for all parts in the DDZ9689S–DDZ9717S family, including DDZ9702S-7. This current defines the condition under which nominal Zener voltage and tolerance are measured, ensuring repeatability across production lots and test labs.
Does DDZ9702S-7 have AEC-Q101 qualification?
No - DDZ9702S-7 itself is not explicitly listed as AEC-Q101 qualified in DS30409 Rev. 6-2. However, the adjacent part DDZ9705S is noted as "Qualified to AEC-Q101 Standards for High Reliability" (Note 5), indicating Diodes' capability to qualify devices in this series for automotive use upon request.
Can DDZ9702S-7 be used in place of a 1N4744A?
No - the 1N4744A is a through-hole 15 V, 1 W Zener in DO-41 package. DDZ9702S-7 is a 15 V, 200 mW SOD-323 device with tighter tolerance but significantly lower power handling. Substitution requires verifying thermal limits, PCB layout, and leakage impact in the target circuit.
What is the typical Zener impedance (ZZT) of DDZ9702S-7 at 5 mA?
Per Figure 13 ("Typical Zener Impedance Characteristics, DDZ9699S–DDZ9705S"), the typical ZZT for 15 V-class devices like DDZ9702S-7 is ~12–15 Ω at IZ = 5 mA, confirming low dynamic resistance essential for stable regulation under varying load currents.
DDZ9702S-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):
- 15 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- -
- Current - Reverse Leakage @ Vr:
- 50 nA @ 11.4 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
DDZ9702S-7 FAQ
1.How can I place an order for DDZ9702S-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDZ9702S-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 DDZ9702S-7 reliable?
The price and inventory of DDZ9702S-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDZ9702S-7 is usually 5 days.
3.What payment methods are accepted for DDZ9702S-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDZ9702S-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDZ9702S-7?
DDZ9702S-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDZ9702S-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 DDZ9702S-7?
For technical support, including DDZ9702S-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDZ9702S-7 requirements.
6.How does Aetrix verify that DDZ9702S-7 is sourced from the original manufacturer or authorized distributors?
All DDZ9702S-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 DDZ9702S-7 meets industry standards.
7.What is the process for return or replacement of DDZ9702S-7?
All DDZ9702S-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDZ9702S-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 DDZ9702S-7 part is unused and in its original packaging.
Return procedure for DDZ9702S-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDZ9702S-7 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
-
BZT52C5V6T-7
Diodes Incorporated
-
MMSZ5231B-7-F
Diodes Incorporated
-
BZT52C15-7-F
Diodes Incorporated
-
BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
-
SMAJ4744A-TP
Micro Commercial Co
-
BZT52C3V6LP-7
Diodes Incorporated
-
SMAZ12-13-F
Diodes Incorporated
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
