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Diodes Incorporated DZ9F12S92-7
- Part No.:
- DZ9F12S92-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Zener Diodes
- Package:
- SOD-923
- Datasheet:
-
DZ9F12S92-7.pdf
- Description:
- DIODE ZENER 12V 200MW SOD923
- Quantity:
- Payment:
- Shipping:
Inventory:8,784
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Product details
Overview
DZ9F12S92-7 from Diodes Incorporated is a surface-mount Zener diode with nominal zener voltage 12 V (11.4–12.6 V range at 5 mA), 30 Ω max zener impedance at 5 mA, 80 Ω max at 0.5 mA, ±0.1 µA max reverse leakage at 9 V, and 200 mW power dissipation in SOD923 package. It serves as precision voltage reference or overvoltage clamp in low-power analog sensor interfaces.
For engineers reviewing the DZ9F12S92-7 datasheet, DZ9F12S92-7 pinout, DZ9F12S92-7 application, or DZ9F12S92-7 equivalent, key selection criteria include zener voltage tolerance, low dynamic impedance at regulation current, thermal resistance (625 °C/W), and ultra-small footprint for space-constrained PCB layouts.
Technical Context
This device operates in reverse-bias breakdown mode to maintain stable voltage across its terminals under varying load or supply conditions. Its zener voltage exhibits +6 mV/°C temperature coefficient at 5 mA, enabling predictable drift compensation in temperature-stable references.
The SOD923 package features exposed terminals for visual solder-joint inspection and flat-lead construction optimized for thermal conduction from junction to PCB copper. Maximum ratings assume FR-4 mounting with Diodes' recommended pad layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 12 V nominal, 11.4–12.6 V range at 5 mA - defines regulation setpoint with ±5% tolerance |
| Zener Impedance (ZZT) | 30 Ω max at 5 mA - ensures minimal output voltage variation under load transients |
| Power Dissipation (PD) | 200 mW at 25°C - limits continuous power handling without derating |
| Thermal Resistance (RθJA) | 625 °C/W - determines junction temperature rise per milliwatt in standard FR-4 layout |
| Reverse Leakage (IR) | 0.1 µA max at 9 V - guarantees low standby current in high-impedance bias networks |
| Capacitance (CT) | 80 pF at 1 MHz, 0 V - impacts high-frequency noise filtering and signal integrity |
| Temperature Coefficient (TC) | +6 mV/°C at 5 mA - enables predictable voltage drift for compensated designs |
Pinout & Package
SOD923 package: ultra-compact 1.0 × 0.6 × 0.37 mm molded plastic case with 0.2 mm lead width, cathode band marking, and matte tin–annealed alloy 42 leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal / Zener cathode reference node | Connected to lower-potential side of regulated circuit; forms reference ground return path |
| Cathode | Zener breakdown terminal / voltage regulation node | Connected to higher-potential side; maintains stable 12 V relative to anode during reverse bias |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small SOD923 footprint | Enables placement in <1.0 mm² board area - critical for wearables and miniaturized IoT sensors |
| Exposed, visible terminals | Eliminates need for X-ray inspection - reduces assembly QA cost and cycle time |
| Lead-free & halogen-free construction | Meets RoHS 2 and JEDEC J-STD-020 Level 1 moisture sensitivity - supports automated reflow without delamination risk |
| Low thermal resistance design | 625 °C/W junction-to-ambient enables 200 mW operation on standard FR-4 without heatsinking |
Applications
| Industrial Sensor Signal Conditioning | USB-C Power Delivery Monitoring |
|---|---|
Use Scenario: Stabilizing reference voltage for 12-bit ADCs in pressure or temperature transmitters operating from 3.3 V rails. IC Role / Device Role / Timing Role: Zener diode providing precise 12 V shunt reference for op-amp gain-setting and offset calibration. Use Value: 30 Ω zener impedance ensures <10 mV output shift under 300 µA load variation - maintaining ADC full-scale accuracy. | Use Scenario: Clamping auxiliary power rail voltage in USB-C PD controller circuits where 12 V bus monitoring is required. IC Role / Device Role / Timing Role: Overvoltage protection element limiting sensed voltage to safe levels before ADC input. Use Value: 0.1 µA reverse leakage at 9 V prevents loading of high-impedance divider networks - preserving measurement linearity. |
| Automotive Cabin Control Panel | Medical Portable Diagnostic Device |
Use Scenario: Regulating microcontroller I/O voltage reference in infotainment control modules exposed to 12 V battery fluctuations. IC Role / Device Role / Timing Role: Shunt regulator establishing stable 12 V reference for LED backlight dimming feedback loop. Use Value: +6 mV/°C TC allows predictable drift compensation in ambient temperature ranges from −40°C to +85°C. | Use Scenario: Providing isolated voltage reference for ECG front-end instrumentation amplifiers powered from coin-cell batteries. IC Role / Device Role / Timing Role: Low-power zener reference generating stable bias for analog signal chain components. Use Value: 200 mW rating permits brief 12 V pulses during self-test without thermal runaway - validated per IEC 60601-1 leakage limits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584-C12 | Higher 500 mW rating; larger SOD523 package (1.2 × 0.8 mm); 40 Ω ZZT at 5 mA | Acceptable where board space allows and higher power margin is needed | Select when thermal headroom >200 mW is required and SOD523 footprint is acceptable |
| MMSZ5242B | SOD123 package (3.7 × 1.6 mm); 12 V ±5%; 17 Ω ZZT at 20 mA; 500 mW rating | Requires larger PCB area but offers lower impedance at higher test current | Choose for legacy designs using SOD123 or where lower dynamic impedance at 20 mA is prioritized |
Compared with BZX584-C12 and MMSZ5242B, DZ9F12S92-7 delivers identical voltage regulation performance in 40% less board area than SOD523 and 75% less than SOD123, making it optimal for next-generation compact electronics where size and thermal efficiency are primary constraints.
Availability
DZ9F12S92-7 is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, USB-C power delivery monitoring, and automotive cabin control panel designs requiring stable component supply and consistent parametric performance across production lots.
Supply support for DZ9F12S92-7 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 DZ9F series belongs to Diodes' ultra-miniature Zener diode product line, engineered specifically for space-constrained, low-power voltage reference and protection applications in portable and wearable electronics.
FAQ
What is the maximum reverse voltage that can be continuously applied to DZ9F12S92-7 without breakdown?
The absolute maximum reverse voltage is defined by the zener voltage specification: 12 V nominal with 11.4–12.6 V range at 5 mA test current. Applying more than 12.6 V continuously will cause sustained breakdown and exceed the 200 mW power limit unless current is strictly limited externally via series resistance.
Does DZ9F12S92-7 require a heatsink in typical PCB applications?
No heatsink is required. With RθJA = 625 °C/W and PD = 200 mW at 25°C, junction temperature rise is 125°C above ambient - acceptable within the −65°C to +150°C operating range when mounted per Diodes' SOD923 pad layout on FR-4.
How does the +6 mV/°C temperature coefficient affect long-term voltage stability?
At +6 mV/°C, the zener voltage increases by 60 mV over a 10°C ambient change. For applications requiring <0.1% stability, this drift must be compensated in system-level calibration or mitigated using complementary TC components in the reference network.
Can DZ9F12S92-7 be used in place of through-hole 1N4742A in existing designs?
No direct substitution is recommended. The 1N4742A is a 12 V, 1 W through-hole Zener in DO-41 package with different thermal behavior, impedance profile (10 Ω at 21 mA), and mechanical mounting. DZ9F12S92-7 requires redesign of PCB layout, current-limiting resistor value, and thermal validation due to its 200 mW rating and SOD923 footprint.
DZ9F12S92-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- SOD-923
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 12 V
- Tolerance:
- ±5%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 30 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 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
DZ9F12S92-7 FAQ
1.How can I place an order for DZ9F12S92-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DZ9F12S92-7 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 DZ9F12S92-7 reliable?
The price and inventory of DZ9F12S92-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DZ9F12S92-7 is usually 5 days.
3.What payment methods are accepted for DZ9F12S92-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DZ9F12S92-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DZ9F12S92-7?
DZ9F12S92-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DZ9F12S92-7 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 DZ9F12S92-7?
For technical support, including DZ9F12S92-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DZ9F12S92-7 requirements.
6.How does Aetrix verify that DZ9F12S92-7 is sourced from the original manufacturer or authorized distributors?
All DZ9F12S92-7 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 DZ9F12S92-7 meets industry standards.
7.What is the process for return or replacement of DZ9F12S92-7?
All DZ9F12S92-7 units undergo pre-shipment inspection (PSI). If there is an issue with DZ9F12S92-7, 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 DZ9F12S92-7 part is unused and in its original packaging.
Return procedure for DZ9F12S92-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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