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onsemi NZ8F11VSMX2WT5G
- Part No.:
- NZ8F11VSMX2WT5G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- 2-XDFN
- Datasheet:
-
NZ8F11VSMX2WT5G.pdf
- Description:
- DIODE ZENER 11V 250MW 2-X2DFNW
- Quantity:
- Payment:
- Shipping:
Inventory:9,678
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Product details
Overview
NZ8F11VSMX2WT5G from onsemi is a tight-tolerance Zener diode designed for precision voltage regulation and overvoltage protection in space-constrained PCB layouts. It delivers a nominal Zener voltage of 11.0 V (10.75–11.25 V at 5 mA), with 30 Ω dynamic impedance, 0.1 µA leakage at 8 V reverse bias, and 80 pF capacitance at 0 V/1 MHz - enabling stable clamping in high-frequency signal lines and power-rail supervision circuits.
For engineers reviewing the NZ8F11VSMX2WT5G datasheet, pinout, applications, or equivalent options, key selection considerations include its ±2.27% voltage tolerance, wettable flank X2DFNW2 package for AOI compatibility, 250 mW dissipation on FR-4 (1 oz Cu, min pad), AEC-Q101 qualification (SZ-prefix variant available), and suitability for automotive control units and portable electronics where thermal reliability and optical inspection yield matter.
Technical Context
This device operates as a unidirectional, silicon planar Zener diode optimized for low-profile, automated assembly environments. Its X2DFNW2 package features wettable flanks to support reliable solder-joint inspection via AOI, and its electrical behavior is characterized at IZT = 5 mA with guaranteed VZ stability across −65 °C to +150 °C junction temperature range.
The NZ8F11VSMX2WT5G belongs to the NZ8F Series' tight-tolerance line ('S' suffix), distinguishing it from standard-tolerance variants (e.g., NZ8F11VMX2WT5G) by tighter VZ bounds (±2.27% vs. ±5.0%) and identical thermal and capacitive performance - making it suitable for applications demanding repeatable clamping thresholds without derating for tolerance drift.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 10.75–11.25 V @ IZT = 5 mA - ensures precise clamping within ±2.27% tolerance for stable reference or protection |
| Dynamic Impedance (ZZT) | 30 Ω max @ IZT = 5 mA - limits voltage deviation under varying load current, critical for noise-sensitive rails |
| Reverse Leakage (IR) | 0.1 µA max @ VR = 8 V - minimizes standby power loss in battery-powered systems |
| Capacitance (C) | 80 pF @ VR = 0 V, f = 1 MHz - compatible with high-speed data line ESD protection without signal integrity degradation |
| Power Dissipation (PD) | 250 mW @ TA = 25 °C (FR-4, min pad) - defines maximum continuous clamping energy before thermal shutdown |
| Junction Temp Range | −65 °C to +150 °C - supports operation in under-hood automotive and industrial environments |
| Package | X2DFNW2 (Case 711BG), 1.00 × 0.60 × 0.37 mm - enables 0402-compatible placement with wettable flanks for AOI |
Pinout & Package
The NZ8F11VSMX2WT5G uses a 2-terminal X2DFNW2 surface-mount package (Case 711BG) with wettable flank geometry. Terminal 1 is Cathode (marked side), Terminal 2 is Anode - polarity confirmed by device marking "CU" per datasheet page 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener breakdown terminal | Connected to regulated node or signal line requiring clamping; reverse-biased during regulation |
| 2 (Anode) | Reference/ground return | Typically tied to system ground or lower-potential rail; completes Zener conduction path |
Key Features
| Feature | Design Value |
|---|---|
| Tight Zener voltage tolerance | ±2.27% (10.75–11.25 V) enables accurate threshold setting without post-production calibration |
| Wettable flank package | X2DFNW2 footprint allows automated optical inspection of solder fillets - improves manufacturing yield in high-volume SMT lines |
| AEC-Q101 qualification readiness | SZ-prefix variant available; base part shares same die and process - supports automotive-grade reliability validation paths |
| Low-profile height | 0.37 mm max body height - fits beneath low-clearance shields and in ultra-thin portable devices |
| Pb-free, RoHS-compliant | Halogen-free/BFR-free construction meets global environmental compliance requirements for consumer and automotive end products |
Applications
| Automotive Body Control Module | USB Type-C Power Delivery Clamp |
|---|---|
Use Scenario: Protecting microcontroller I/O pins and CAN transceiver supply rails from load-dump transients in 12 V vehicle systems. IC Role / Device Role / Timing Role: Zener clamping element placed between protected rail and ground to shunt excess energy above 11 V. Use Value: Tight 11.0 V tolerance ensures clamping initiates before downstream ICs exceed absolute maximum ratings, while 30 Ω ZZT maintains stable clamp voltage under transient current surges. | Use Scenario: Suppressing fast-rising voltage spikes on USB PD CC lines during hot-plug events or cable ESD discharge. IC Role / Device Role / Timing Role: Unidirectional transient voltage suppressor connected anode-to-ground, cathode-to-signal line. Use Value: 80 pF capacitance avoids signal distortion on 300 kHz CC communication, and 0.1 µA leakage prevents false detection during low-power UFP/SOP states. |
| Industrial Sensor Signal Conditioning | Portable Medical Pulse Oximeter Supply Rail |
Use Scenario: Stabilizing excitation voltage for bridge-based pressure sensors in factory automation equipment exposed to EMI. IC Role / Device Role / Timing Role: Precision shunt regulator providing clean 11 V reference to op-amp bias networks. Use Value: ±2.27% VZ tolerance eliminates need for external trimming resistors, reducing BOM count and layout area in compact sensor modules. | Use Scenario: Regulating 11 V intermediate rail for LED drivers and analog front-end ICs in battery-powered pulse oximeters. IC Role / Device Role / Timing Role: Low-leakage Zener used in feedback loop of discrete LDO to improve line regulation and thermal drift performance. Use Value: 0.1 µA leakage at 8 V ensures <1 µW standby loss - extending single-charge battery life beyond 72 hours in sleep mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NZ8F11VMX2WT5G | Standard tolerance: 10.45–11.55 V (±5.0%), otherwise identical electrical specs and package | Acceptable where ±5% clamping threshold variation is permissible (e.g., non-critical power sequencing) | Select when cost sensitivity outweighs precision requirement; same footprint and thermal profile |
| BZX84-C11LT1G | Higher ZZT (40 Ω), looser tolerance (10.4–11.6 V), SOT-23 package (larger, no wettable flanks) | Not suitable for AOI-dependent high-volume production or space-constrained 0402 layouts | Choose only if legacy SOT-23 reflow infrastructure exists and board area is not constrained |
Compared with NZ8F11VMX2WT5G and BZX84-C11LT1G, the NZ8F11VSMX2WT5G provides the narrowest voltage tolerance in a wettable-flank 0402 package - delivering superior clamping accuracy without sacrificing manufacturability or board density.
Availability
NZ8F11VSMX2WT5G is available at Aetrix Electronics and suitable for automotive control units, USB Type-C interface protection, and portable medical device power rails requiring stable component supply, consistent lead times, and full traceability.
Supply support for NZ8F11VSMX2WT5G 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 specializing in energy-efficient power management, analog, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The NZ8F Series is part of onsemi's precision discrete portfolio, engineered specifically for miniaturized voltage regulation and transient suppression in high-density, AOI-driven SMT production environments.
FAQ
What is the Zener voltage tolerance of NZ8F11VSMX2WT5G?
The NZ8F11VSMX2WT5G has a tight Zener voltage tolerance of ±2.27%, specified as 10.75 V minimum to 11.25 V maximum at test current IZT = 5 mA. This is confirmed in the Electrical Characteristics table on page 3 of the official onsemi datasheet (Rev. 4, November 2025). The 'S' in the part number denotes the tight-tolerance series, distinguishing it from standard-tolerance variants like NZ8F11VMX2WT5G.
Is NZ8F11VSMX2WT5G qualified for automotive applications?
The NZ8F11VSMX2WT5G itself is not AEC-Q101 certified, but its SZ-prefix variant (SZNZ8F11VSMX2WT5G) is explicitly listed as AEC-Q101 qualified and PPAP capable per the datasheet's Specification Features section. The base NZ8F11VSMX2WT5G shares identical die, packaging, and electrical characteristics - enabling direct qualification path for automotive use with proper documentation and change control.
What is the maximum power dissipation for NZ8F11VSMX2WT5G on a standard FR-4 board?
NZ8F11VSMX2WT5G has a maximum power dissipation of 250 mW at TA = 25 °C when mounted on an FR-4 board with minimum pad size and 1 oz copper (Note 1 in Maximum Ratings table). Derating is 1.5 mW/°C above 25 °C. For higher-power layouts (150 mm² copper area), dissipation rises to 500 mW - but this requires verified board-level thermal design.
Does NZ8F11VSMX2WT5G support automated optical inspection (AOI)?
Yes - NZ8F11VSMX2WT5G uses the X2DFNW2 package with wettable flanks, explicitly designed to enable reliable solder-joint inspection via AOI systems. The datasheet highlights this feature in the Specification Features section and confirms the package geometry (Case 711BG) supports optimal fillet formation for machine vision verification in high-throughput SMT lines.
What is the reverse leakage current specification for NZ8F11VSMX2WT5G?
The reverse leakage current (IR) for NZ8F11VSMX2WT5G is rated at ≤0.1 µA at VR = 8 V, per the Electrical Characteristics table on page 3 of the onsemi datasheet. This low leakage supports energy-efficient operation in always-on circuits such as battery-backed sensors or USB enumeration logic, where standby current must remain below 1 µA.
NZ8F11VSMX2WT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- NZ8F
- Package/Case:
- 2-XDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 11 V
- Tolerance:
- ±2.27%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 30 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 8 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 2-X2DFNW (1x0.6)
NZ8F11VSMX2WT5G FAQ
1.How can I place an order for NZ8F11VSMX2WT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for NZ8F11VSMX2WT5G 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 NZ8F11VSMX2WT5G reliable?
The price and inventory of NZ8F11VSMX2WT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NZ8F11VSMX2WT5G is usually 5 days.
3.What payment methods are accepted for NZ8F11VSMX2WT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NZ8F11VSMX2WT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NZ8F11VSMX2WT5G?
NZ8F11VSMX2WT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NZ8F11VSMX2WT5G 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 NZ8F11VSMX2WT5G?
For technical support, including NZ8F11VSMX2WT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NZ8F11VSMX2WT5G requirements.
6.How does Aetrix verify that NZ8F11VSMX2WT5G is sourced from the original manufacturer or authorized distributors?
All NZ8F11VSMX2WT5G 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 NZ8F11VSMX2WT5G meets industry standards.
7.What is the process for return or replacement of NZ8F11VSMX2WT5G?
All NZ8F11VSMX2WT5G units undergo pre-shipment inspection (PSI). If there is an issue with NZ8F11VSMX2WT5G, 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 NZ8F11VSMX2WT5G part is unused and in its original packaging.
Return procedure for NZ8F11VSMX2WT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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