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Diodes Incorporated DZ9F24S92-7
- Part No.:
- DZ9F24S92-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOD-923
- Datasheet:
-
DZ9F24S92-7.pdf
- Description:
- DIODE ZENER 24V 200MW SOD923
- Quantity:
- Payment:
- Shipping:
Inventory:20,066
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Product details
Overview
DZ9F24S92-7 from Diodes Incorporated is a surface-mount Zener diode with nominal 24 V zener voltage (22.8–25.2 V range), 5 mA test current, 70 Ω max zener impedance at 5 mA, 0.1 µA max reverse leakage at 18.9 V, and 200 mW power dissipation in SOD923 package. It provides precision voltage regulation in space-constrained power management and reference circuits.
For engineers reviewing the DZ9F24S92-7 datasheet, DZ9F24S92-7 pinout, DZ9F24S92-7 application, or DZ9F24S92-7 equivalent, key selection criteria include zener voltage tolerance, dynamic impedance, thermal resistance (625 °C/W), low capacitance (50 pF), and ultra-small SOD923 footprint for high-density PCB layouts.
Technical Context
This Zener diode operates in reverse breakdown to maintain stable reference voltage under varying load and temperature conditions. Its −3.5 to +16.8 mV/°C temperature coefficient range and 50 pF capacitance support stable performance in low-noise analog references and feedback loops.
The device uses an alloy 42 leadframe with matte tin annealed terminals, enabling reliable solderability per MIL-STD-202. Its SOD923 package features exposed terminals for visual solder-joint inspection without X-ray, and meets J-STD-020 moisture sensitivity Level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 24 V nominal, 22.8–25.2 V min/max at IZT = 5 mA - defines regulated output voltage window |
| Zener Impedance (ZZT) | 70 Ω max at 5 mA - determines voltage stability under load variation |
| Power Dissipation (PD) | 200 mW at TA = 25°C - sets maximum continuous power handling on FR-4 PCB |
| Reverse Leakage (IR) | 0.1 µA max at VR = 18.9 V - ensures minimal quiescent current in standby mode |
| Capacitance (CT) | 50 pF at f = 1 MHz, VR = 0 V - limits high-frequency noise coupling in reference paths |
| Thermal Resistance (RθJA) | 625 °C/W - quantifies junction-to-ambient heat transfer efficiency with standard pad layout |
| Operating Temperature | −65 to +150 °C - supports industrial and automotive under-hood environments |
Pinout & Package
Package: SOD923 (1.0 × 0.6 × 0.37 mm), flat-lead, thermally efficient, with cathode band marking. Exposed terminals enable optical solder-joint verification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node in shunt regulation |
| Cathode | Zener breakdown terminal / voltage reference output | Connected to regulated node; voltage clamped relative to anode |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small SOD923 footprint | 1.0 × 0.6 mm area enables placement in <1.5 mm² board space, critical for wearables and IoT sensors |
| Exposed terminals | Eliminates need for X-ray inspection-reduces manufacturing QA cost and cycle time |
| Lead-free & halogen-free construction | Meets RoHS 2 (2011/65/EU) and green compound standards (<900 ppm Br/Cl, <1000 ppm Sb) |
| Low thermal resistance design | 625 °C/W rating allows 200 mW operation with ≤125°C junction rise on standard FR-4 layout |
Applications
| Power Supply Feedback Reference | Overvoltage Protection Clamp |
|---|---|
Use Scenario: Regulating output voltage in isolated flyback or buck-boost converters via optocoupler feedback loop. IC Role / Device Role / Timing Role: Zener diode serves as precision voltage reference for TL431-like feedback network. Use Value: 24 V nominal voltage and ±0.6 V tolerance ensure accurate setpoint control within 2.5% error band. | Use Scenario: Clamping transient surges on 24 V industrial I/O lines to protect downstream logic inputs. IC Role / Device Role / Timing Role: Shunt protection device that conducts above 25.2 V to divert excess energy to ground. Use Value: 70 Ω dynamic impedance ensures clamp voltage stays below 26.5 V at 10 mA surge current. |
| Low-Power Sensor Reference | Portable Battery Monitor Threshold |
Use Scenario: Providing stable bias voltage for analog front-end amplifiers in battery-powered environmental sensors. IC Role / Device Role / Timing Role: Low-current Zener reference supplying 5–10 µA to op-amp bias networks. Use Value: 0.1 µA leakage at 18.9 V minimizes standby drain, extending 2xAA battery life beyond 5 years. | Use Scenario: Detecting end-of-charge or overvoltage condition in 24 V LiFePO₄ battery packs. IC Role / Device Role / Timing Role: Voltage threshold detector triggering cutoff when cell stack exceeds safe limit. Use Value: 22.8–25.2 V regulation window aligns precisely with 24 V nominal pack voltage and 10% overvoltage margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B24,115 (Nexperia) | Same 24 V nominal, but SOD323 package (1.3 × 0.8 mm); 90 Ω ZZT; 150 mW PD | Larger footprint and higher impedance reduce suitability for ultra-dense or low-noise designs | Select if legacy SOD323 layout compatibility is required and thermal headroom >150 mW suffices |
| MMSZ4686T1G (onsemi) | SOD123 package (3.7 × 1.6 mm); 24 V nominal; 100 Ω ZZT; 500 mW PD | Higher power rating but 3.7× larger area - incompatible with miniaturized PCBs | Choose only when higher power derating margin (>300 mW) outweighs board space constraints |
Compared with BZX384-B24,115 and MMSZ4686T1G, DZ9F24S92-7 delivers the smallest footprint (1.0 × 0.6 mm), lowest capacitance (50 pF), and best thermal efficiency (625 °C/W) among 24 V Zeners - making it optimal for space- and noise-sensitive embedded systems where board area is premium.
Availability
DZ9F24S92-7 is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, and 24 V automotive body-control modules requiring stable component supply and long-term lifecycle assurance.
Supply support for DZ9F24S92-7 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 industrial, computing, consumer, and communications markets since 1959.
This part belongs to Diodes' ultra-miniature Zener diode family designed specifically for high-density power regulation and voltage reference in portable, wearable, and IoT edge devices where PCB real estate is constrained.
FAQ
What is the maximum steady-state power dissipation for DZ9F24S92-7 on a standard FR-4 PCB?
The device is rated for 200 mW at 25°C ambient, derating linearly at 2.0 mW/°C above that temperature. With a thermal resistance of 625 °C/W, junction temperature remains within −65 to +150°C limits up to 125°C ambient when mounted per Diodes' recommended SOD923 pad layout.
How is polarity identified on the SOD923 package?
Polarity is marked by a cathode band on the top surface of the package, aligned with the cathode terminal. The band is visible under standard optical inspection and corresponds to the shorter lead side in the SOD923 outline drawing - no X-ray required for solder-joint verification.
Does DZ9F24S92-7 meet automotive AEC-Q200 requirements?
No - this part is not AEC-Q200 qualified. It is rated for industrial temperature range (−65 to +150°C) and RoHS compliance, but lacks the stress testing, failure analysis, and qualification documentation required for automotive-grade applications.
Can DZ9F24S92-7 replace DZ9F24S92 without modification?
Yes - the "-7" suffix denotes tape-and-reel packaging (10,000 units per reel) and does not affect electrical or mechanical specifications. DZ9F24S92-7 is functionally and dimensionally identical to DZ9F24S92, differing only in packaging format and reel marking.
DZ9F24S92-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOD-923
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Voltage - Zener (Nom) (Vz):
- 24 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 70 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 18.9 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-923
DZ9F24S92-7 FAQ
1.How can I place an order for DZ9F24S92-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DZ9F24S92-7 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 DZ9F24S92-7 reliable?
The price and inventory of DZ9F24S92-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DZ9F24S92-7 is usually 5 days.
3.What payment methods are accepted for DZ9F24S92-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DZ9F24S92-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DZ9F24S92-7?
DZ9F24S92-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DZ9F24S92-7 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 DZ9F24S92-7?
For technical support, including DZ9F24S92-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DZ9F24S92-7 requirements.
6.How does Aetrix verify that DZ9F24S92-7 is sourced from the original manufacturer or authorized distributors?
All DZ9F24S92-7 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 DZ9F24S92-7 meets industry standards.
7.What is the process for return or replacement of DZ9F24S92-7?
All DZ9F24S92-7 units undergo pre-shipment inspection (PSI). If there is an issue with DZ9F24S92-7, 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 DZ9F24S92-7 part is unused and in its original packaging.
Return procedure for DZ9F24S92-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DZ9F24S92-7 Tags
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