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onsemi NZ9F24VT5G
- Part No.:
- NZ9F24VT5G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SOD-923
- Datasheet:
-
NZ9F24VT5G.pdf
- Description:
- DIODE ZENER 24V 250MW SOD923
- Quantity:
- Payment:
- Shipping:
Inventory:1,239
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Product details
Overview
NZ9F24VT5G from onsemi is a 24 V ±5% Zener diode in SOD-923 package, rated for 250 mW steady-state power dissipation, with 70 Ω maximum Zener impedance at 5 mA test current and 0.1 µA reverse leakage at 18.9 V. It provides precision voltage regulation and ESD protection (Class 3, >16 kV HBM) in space-constrained portable electronics.
For engineers reviewing the NZ9F24VT5G datasheet, pinout, applications, or equivalent options, key selection criteria include Zener voltage tolerance (±5%), low-profile SOD-923 footprint (1.00 mm × 0.60 mm × 0.37 mm), thermal resistance (500 °C/W), junction temperature range (−65 °C to +150 °C), and AEC-Q101 qualification status for automotive-grade reliability.
Technical Context
This device operates as a two-terminal voltage reference and transient clamp, conducting in reverse bias above its specified Zener breakdown voltage (22.8 V min / 25.2 V max at 5 mA). Its low body height (0.40 mm) and MSL 1 reflow rating support high-density PCB assembly.
The NZ9F24VT5G exhibits a positive temperature coefficient of +16.8 mV/°C and 50 pF capacitance at 0 V and 1 MHz, making it suitable for low-frequency regulation and moderate-speed signal line protection where parasitic capacitance must remain below 55 pF.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 22.8 V to 25.2 V at 5 mA - defines regulated clamping threshold with ±5% tolerance |
| Power Dissipation (PD) | 250 mW @ 25 °C - sets maximum continuous DC power handling on FR-5 board |
| Zener Impedance (ZZT) | 70 Ω max @ 5 mA - determines regulation stiffness and output voltage deviation under load change |
| Reverse Leakage (IR) | 0.1 µA @ 18.9 V - ensures minimal standby current in undervoltage protection circuits |
| ESD Rating | Class 3 (>16 kV HBM) - qualifies for direct I/O line protection without external TVS staging |
| Package | SOD-923 (Case 514AB) - 1.00 mm × 0.60 mm × 0.37 mm footprint enables <0.6 mm² board area usage |
| Temperature Coefficient | +16.8 mV/°C - quantifies VZ drift over operating temperature range |
Pinout & Package
SOD-923 surface-mount package: ultra-compact, low-profile (0.37 mm height), void-free thermosetting plastic case with 100% matte tin lead finish; qualified for 260 °C reflow and MSL 1 handling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Banded End) | Cathode | Connected to regulated voltage rail; reverse-biased terminal during Zener operation |
| 2 | Anode | Connected to ground or lower-potential reference; completes conduction path during clamping |
Key Features
| Feature | Design Value |
|---|---|
| Pb-Free, Halogen-Free, RoHS Compliant | Meets global environmental compliance requirements without derating or process modification |
| AEC-Q101 Qualified | Validated for automotive applications including engine control modules and infotainment power rails |
| Low Capacitance (50 pF) | Minimizes signal distortion on data lines up to ~3 MHz while maintaining clamping function |
| Stable Zener Voltage Tolerance | ±5% across production lot ensures predictable trip point in overvoltage detection circuits |
| High ESD Robustness | Withstands >16 kV contact discharge per HBM, reducing need for supplemental ESD components |
Applications
| USB Data Line Protection | Smartphone Battery Monitoring |
|---|---|
Use Scenario: Protecting USB 2.0 D+/D− lines from ESD events and supply rail transients in compact mobile devices. IC Role / Device Role / Timing Role: Two-terminal shunt regulator clamping voltage to 24 V during surge, diverting current away from PHY ICs. Use Value: Eliminates need for discrete TVS + RC filter by combining low capacitance (50 pF) and Class 3 ESD rating in 0.6 mm² footprint. | Use Scenario: Stabilizing reference voltage for fuel gauge ADC inputs in lithium-ion battery management systems. IC Role / Device Role / Timing Role: Precision Zener providing stable 24 V reference for ratiometric voltage measurement against battery pack voltage. Use Value: ±5% VZ tolerance and +16.8 mV/°C TC enable accurate SoC estimation across −40 °C to +85 °C ambient. |
| Automotive Infotainment Power Rail Clamp | Industrial Sensor Signal Conditioning |
Use Scenario: Clamping 24 V supply rail transients in head unit power distribution networks meeting ISO 7637-2 Pulse 1/2a requirements. IC Role / Device Role / Timing Role: Shunt protector absorbing repetitive 100 ns–100 µs spikes without degradation due to 250 mW PD rating. Use Value: AEC-Q101 qualification and 150 °C TJ rating ensure reliability in under-dash environments with no derating needed up to 105 °C ambient. | Use Scenario: Regulating excitation voltage for 4–20 mA loop-powered pressure transmitters in factory automation. IC Role / Device Role / Timing Role: Zener-based voltage reference establishing precise 24 V loop supply independent of input variation. Use Value: 70 Ω ZZT and 0.1 µA IR minimize load-induced error and quiescent current draw in energy-constrained 2-wire sensors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584-C24 | Same 24 V nominal Zener voltage, but SOD-523 package (0.8 × 0.6 × 0.5 mm); 350 mW PD; 55 Ω ZZT | Higher power handling and lower impedance, but 0.13 mm taller - may conflict with tight height constraints | Select when higher surge energy absorption is required and board height allows ≥0.5 mm clearance |
| MMSZ5245B | SOD-123 package (3.7 × 1.6 × 1.1 mm); 500 mW PD; 30 Ω ZZT; ±5% tolerance; no AEC-Q101 qualification | Substantially larger footprint and higher power, but lacks automotive qualification and has 2.2× greater board area usage | Select for industrial non-automotive designs where layout space is available and qualification is not mandated |
Compared with BZX584-C24 and MMSZ5245B, the NZ9F24VT5G offers the smallest PCB footprint (0.6 mm²) and automotive qualification, trading off some power margin and impedance for space and compliance - optimal for portable and automotive edge nodes where size and reliability are prioritized.
Availability
NZ9F24VT5G is available at Aetrix Electronics and suitable for smartphone battery monitoring, USB data line protection, and automotive infotainment power rail clamping requiring stable component supply and long-term lifecycle assurance.
Supply support for NZ9F24VT5G 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NZ9F24VT5G belongs to onsemi's NZ9F/SZNZ9F series of miniature Zener regulators, designed specifically for space-constrained, high-reliability voltage reference and ESD protection in portable and automotive electronics.
FAQ
What is the Zener voltage tolerance of the NZ9F24VT5G?
The NZ9F24VT5G has a Zener voltage range of 22.8 V to 25.2 V at 5 mA test current, corresponding to a ±5% tolerance around the nominal 24 V rating. This tolerance is guaranteed across production lots and validated per onsemi's electrical characterization testing at 25 °C ambient. The NZ9F24VT5G maintains this specification without derating up to its full junction temperature range of −65 °C to +150 °C.
Is the NZ9F24VT5G qualified for automotive applications?
Yes, the NZ9F24VT5G is AEC-Q101 qualified and PPAP capable, as confirmed in the official onsemi datasheet (Rev. 5, September 2025). It meets automotive reliability standards for temperature cycling, humidity, mechanical shock, and ESD robustness. The NZ9F24VT5G is explicitly listed in the "SZ Prefix" qualified variants table, supporting use in engine control units, ADAS power domains, and infotainment systems.
What is the maximum operating temperature for the NZ9F24VT5G?
The NZ9F24VT5G has a junction and storage temperature range of −65 °C to +150 °C, per its Maximum Ratings table. Its thermal resistance (RJA) is 500 °C/W on FR-5 board, meaning it can sustain full 250 mW dissipation only at 25 °C ambient; above that, linear derating applies at 2.0 mW/°C. The NZ9F24VT5G remains fully functional across its entire rated temperature span without parameter shift beyond datasheet limits.
Does the NZ9F24VT5G have a marked cathode polarity indicator?
Yes, the NZ9F24VT5G uses Style 1 marking per the SOD-923 mechanical drawing: Pin 1 is the cathode and is identified by a polarity band on the banded end of the package. The device marking "F" appears adjacent to the band, confirming the 24 V variant. This physical polarity marker aligns with the internal die orientation and must be observed during PCB layout to ensure correct reverse-bias operation of the NZ9F24VT5G.
What is the Zener impedance of the NZ9F24VT5G at its test current?
The NZ9F24VT5G has a maximum Zener impedance (ZZT) of 70 Ω at the specified test current of 5 mA, as published in the Electrical Characteristics table on page 3 of the onsemi datasheet. This value reflects dynamic resistance under regulation conditions and directly impacts voltage stability under varying load currents. Lower ZZT improves regulation accuracy, and the NZ9F24VT5G's 70 Ω rating is optimized for compact size without compromising performance in typical 24 V reference applications.
NZ9F24VT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOD-923
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 24 V
- Tolerance:
- ±5%
- Power - Max:
- 250 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
NZ9F24VT5G FAQ
1.How can I place an order for NZ9F24VT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for NZ9F24VT5G 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 NZ9F24VT5G reliable?
The price and inventory of NZ9F24VT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NZ9F24VT5G is usually 5 days.
3.What payment methods are accepted for NZ9F24VT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NZ9F24VT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NZ9F24VT5G?
NZ9F24VT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NZ9F24VT5G 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 NZ9F24VT5G?
For technical support, including NZ9F24VT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NZ9F24VT5G requirements.
6.How does Aetrix verify that NZ9F24VT5G is sourced from the original manufacturer or authorized distributors?
All NZ9F24VT5G 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 NZ9F24VT5G meets industry standards.
7.What is the process for return or replacement of NZ9F24VT5G?
All NZ9F24VT5G units undergo pre-shipment inspection (PSI). If there is an issue with NZ9F24VT5G, 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 NZ9F24VT5G part is unused and in its original packaging.
Return procedure for NZ9F24VT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NZ9F24VT5G Tags
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