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Diodes Incorporated DZ9F3V9S92-7
- Part No.:
- DZ9F3V9S92-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOD-923
- Datasheet:
-
DZ9F3V9S92-7.pdf
- Description:
- DIODE ZENER 3.9V 200MW SOD923
- Quantity:
- Payment:
- Shipping:
Inventory:488
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Product details
Overview
DZ9F3V9S92-7 from Diodes Incorporated is a surface-mount Zener diode with nominal zener voltage 3.9 V (±5.4% tolerance), 5 mA test current, 100 Ω maximum zener impedance at 5 mA, −3.5 mV/°C temperature coefficient, and 210 pF capacitance at 1 MHz. It operates in ultra-small SOD923 package (1.0 × 0.6 × 0.37 mm) for precision voltage reference in space-constrained power management circuits.
For engineers reviewing the DZ9F3V9S92-7 datasheet, DZ9F3V9S92-7 pinout, DZ9F3V9S92-7 application, or DZ9F3V9S92-7 equivalent, key selection criteria include zener voltage stability across temperature, low leakage (<5 µA @ 1 V reverse), thermal resistance (625 °C/W), and compatibility with automated optical inspection due to exposed terminals.
Technical Context
This Zener diode functions as a two-terminal voltage reference device operating in reverse breakdown mode. Its −3.5 mV/°C temperature coefficient ensures predictable drift over −65°C to +150°C ambient range, and its 210 pF junction capacitance supports stable performance in low-frequency regulation and signal clamping applications.
The SOD923 package features flat leads and exposed terminals enabling direct visual solder-joint verification without X-ray inspection. Thermal performance is defined for FR-4 PCB mounting with Diodes Incorporated's recommended pad layout, delivering 200 mW power dissipation at 25°C with 2.0 mW/°C derating above that temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.9 V nominal, 3.71–4.10 V range at 5 mA - enables precise low-voltage rail stabilization |
| Zener Impedance (ZZT) | 100 Ω max at 5 mA - ensures minimal output voltage variation under load transients |
| Reverse Leakage (IR) | 5 µA max at 1 V reverse - reduces quiescent current in battery-powered bias networks |
| Temperature Coefficient (TC) | −3.5 mV/°C - provides predictable negative drift for compensated reference designs |
| Junction Capacitance (CT) | 210 pF at 1 MHz, 0 V - suitable for DC/low-frequency regulation, not RF bypass |
| Power Dissipation (PD) | 200 mW at 25°C - limits usable current to ~51 mA at 3.9 V in continuous operation |
| Thermal Resistance (RθJA) | 625 °C/W - requires careful PCB copper area planning for thermal management |
Pinout & Package
Package: SOD923 (1.0 × 0.6 × 0.37 mm), flat-lead, thermally efficient, with cathode band marking on top surface. Exposed terminals enable optical solder-joint inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference ground | Connected to circuit ground or lower-potential node in shunt regulator configuration |
| Cathode | Reverse-biased Zener terminal / voltage reference output | Connected to regulated node; voltage develops across cathode-to-anode when reverse biased ≥3.71 V |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small SOD923 footprint | 1.0 × 0.6 mm area - saves >60% board space vs. SOD-123 in high-density portable designs |
| Exposed, visible terminals | No X-ray required for solder joint validation - reduces manufacturing QA cost and cycle time |
| Lead-free & halogen-free construction | Meets RoHS 2 (2011/65/EU) and "Green" definition (<900 ppm Br/Cl, <1000 ppm Sb) - compliant for global eco-labeling |
| Low thermal resistance design | 625 °C/W on FR-4 with recommended pads - enables stable operation up to +125°C ambient in compact layouts |
Applications
| USB Power Delivery Interface | IoT Sensor Bias Network |
|---|---|
Use Scenario: Clamping and reference generation for 3.3 V USB PD CC line monitoring circuitry. IC Role / Device Role / Timing Role: Shunt voltage reference and transient clamp protecting USB PD controller GPIOs. Use Value: 3.9 V zener threshold aligns with 3.3 V rail + margin; 210 pF capacitance avoids signal integrity degradation on 300 kHz CC line. |
Use Scenario: Providing stable bias voltage for low-power analog front-end of environmental sensor node. IC Role / Device Role / Timing Role: Precision DC reference source for ADC reference divider and op-amp offset compensation. Use Value: −3.5 mV/°C TC enables predictable calibration offset correction across −40°C to +85°C operating range. |
| Wearable Battery Monitor | Industrial PLC Input Protection |
Use Scenario: Regulating reference voltage for fuel gauge IC in coin-cell–powered wearable devices. IC Role / Device Role / Timing Role: Low-current shunt regulator maintaining stable 3.9 V reference under microampere load conditions. Use Value: 5 µA max reverse leakage at 1 V ensures <1 µA standby drain - extends coin-cell life beyond 2 years. |
Use Scenario: Overvoltage protection and level-shifting for 4–20 mA analog input channel in industrial control module. IC Role / Device Role / Timing Role: Clamp diode limiting input voltage to 3.9 V before signal conditioning amplifier stage. Use Value: 100 Ω zener impedance maintains tight clamping window during fast transients (e.g., ESD events). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-B3V9,115 (Nexperia) | Same 3.9 V nominal, SOD323 package (1.3 × 0.8 mm), 90 Ω ZZT, −3.5 mV/°C TC, but 300 pF CT | Higher capacitance limits use in >100 kHz signal paths; larger footprint reduces density | Select if higher surge rating (400 mW) is prioritized over size and capacitance |
| MMSZ4685T1G (onsemi) | 3.9 V nominal, SOD-123 package (2.7 × 1.4 mm), 100 Ω ZZT, −3.5 mV/°C TC, 250 pF CT, 500 mW PD | 3× larger footprint; higher power rating suits higher-current shunt applications | Choose when thermal margin >200 mW is required and board space permits larger package |
Compared with BZX384-B3V9 and MMSZ4685T1G, DZ9F3V9S92-7 delivers superior board-area efficiency and lower junction capacitance while matching zener voltage accuracy and temperature coefficient - ideal where miniaturization and signal integrity are critical.
Availability
DZ9F3V9S92-7 is available at Aetrix Electronics and suitable for USB PD interface protection, IoT sensor bias networks, wearable battery monitoring, and industrial PLC input protection requiring stable component supply and consistent parametric performance.
Supply support for DZ9F3V9S92-7 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, manufacturing, and sales operations across Asia, Europe, and North America.
DZ9F3V9S92-7 belongs to the DZ9F series of ultra-miniature Zener diodes, engineered specifically for high-density consumer and portable electronics where footprint, thermal visibility, and RoHS/Green compliance are mandatory design constraints.
FAQ
What is the maximum reverse voltage this Zener can withstand before breakdown?
The DZ9F3V9S92-7 has a nominal zener voltage of 3.9 V with a guaranteed range of 3.71 V to 4.10 V at 5 mA test current. Breakdown begins within this range under reverse bias; it is not rated for sustained operation above 4.10 V without exceeding power or thermal limits. Absolute maximum reverse voltage is not specified separately - operation must remain within the zener regulation region defined by its IZ-VZ curve.
Can this device be used in place of a standard 1N4733A?
No - the 1N4733A is a 5.1 V, 1 W through-hole Zener in DO-41 package, whereas DZ9F3V9S92-7 is a 3.9 V, 200 mW surface-mount device in SOD923. They differ in voltage, power rating, package, thermal behavior, and mounting method. Substitution would require redesign of PCB layout, thermal relief, and circuit biasing - not a drop-in replacement.
Is the cathode band polarity consistent across all DZ9F-series markings?
Yes - all DZ9F-series diodes, including DZ9F3V9S92-7, use a single cathode band on the top surface of the SOD923 package to denote the cathode terminal. The marking code "ZF" appears adjacent to the band; orientation matches Diodes Incorporated's SOD923 mechanical drawing (Document DS37439, page 4), with cathode on the band side and anode on the opposite end.
Does this Zener meet automotive AEC-Q200 requirements?
No - DZ9F3V9S92-7 is not qualified to AEC-Q200. Its datasheet specifies only commercial/industrial temperature range (−65°C to +150°C) and does not list AEC-Q200 stress testing, qualification reports, or automotive-specific reliability data. For automotive applications, Diodes Incorporated offers the AZ series (e.g., AZ9F3V9S92), which undergoes full AEC-Q200 qualification.
DZ9F3V9S92-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOD-923
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 3.9 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 100 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1 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
DZ9F3V9S92-7 FAQ
1.How can I place an order for DZ9F3V9S92-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DZ9F3V9S92-7 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 DZ9F3V9S92-7 reliable?
The price and inventory of DZ9F3V9S92-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DZ9F3V9S92-7 is usually 5 days.
3.What payment methods are accepted for DZ9F3V9S92-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DZ9F3V9S92-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DZ9F3V9S92-7?
DZ9F3V9S92-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DZ9F3V9S92-7 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 DZ9F3V9S92-7?
For technical support, including DZ9F3V9S92-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DZ9F3V9S92-7 requirements.
6.How does Aetrix verify that DZ9F3V9S92-7 is sourced from the original manufacturer or authorized distributors?
All DZ9F3V9S92-7 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 DZ9F3V9S92-7 meets industry standards.
7.What is the process for return or replacement of DZ9F3V9S92-7?
All DZ9F3V9S92-7 units undergo pre-shipment inspection (PSI). If there is an issue with DZ9F3V9S92-7, 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 DZ9F3V9S92-7 part is unused and in its original packaging.
Return procedure for DZ9F3V9S92-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DZ9F3V9S92-7 Tags
-
MMBZ5240B-7-F
Diodes Incorporated
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BZT52C5V6T-7
Diodes Incorporated
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MMSZ5231B-7-F
Diodes Incorporated
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BZT52C15-7-F
Diodes Incorporated
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BZX84C3V3LT1G
onsemi
-
MMSZ5245BS-7-F
Diodes Incorporated
-
MMSZ4682T1G
onsemi
-
BZT52C15S-7-F
Diodes Incorporated
-
MM5Z5V1ST1G
onsemi
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SMAJ4744A-TP
Micro Commercial Co
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BZT52C3V6LP-7
Diodes Incorporated
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SMAZ12-13-F
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