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onsemi SZNZ8F47VMX2WT5G
- Part No.:
- SZNZ8F47VMX2WT5G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- 2-XDFN
- Datasheet:
-
SZNZ8F47VMX2WT5G.pdf
- Description:
- DIODE ZENER 47V 250MW 2-X2DFNW
- Quantity:
- Payment:
- Shipping:
Inventory:2,418
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Product details
Overview
SZNZ8F47VMX2WT5G from onsemi is an AEC-Q101-qualified 47 V Zener diode in X2DFNW2 (0402) wettable flank package, rated for 250 mW dissipation at 25 °C on FR-4 board with 1 oz. Cu, featuring 44.65–49.35 V nominal Zener voltage at 2 mA test current, 170 Ω dynamic impedance, and 0.1 µA leakage at 38 V reverse bias - used for precision overvoltage clamping in automotive control units.
For engineers reviewing the SZNZ8F47VMX2WT5G datasheet, pinout, applications, or equivalent options, key selection criteria include Zener voltage tolerance (±5% at 2 mA), low-profile 0.40 mm height, AOI-compatible wettable flanks, AEC-Q101 qualification, and thermal derating behavior across −65 °C to +150 °C junction temperature range.
Technical Context
This device operates as a unidirectional voltage reference and transient clamp, leveraging silicon PN-junction Zener breakdown at 47 V nominal. Its electrical behavior is defined under DC conditions at TA = 25 °C, with specified Zener impedance (ZZT = 170 Ω @ IZT = 2 mA) and temperature coefficient (TC ≈ +38 mV/°C per typical curve data for 47 V devices).
The X2DFNW2 package enables high-density PCB layouts and supports automated optical inspection via solderable side walls. Thermal performance is characterized by RJA = 415 °C/W (FR-4 minimum pad) and non-repetitive peak reverse power handling of 40 W for 100 µs pulses.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 44.65–49.35 V @ IZT = 2 mA - defines clamping threshold with ±5% tolerance for robust overvoltage protection |
| Power Dissipation (PD) | 250 mW @ TA = 25 °C (FR-4, 1 oz. Cu) - sets continuous steady-state energy handling limit |
| Zener Impedance (ZZT) | 170 Ω @ IZT = 2 mA - determines regulation stiffness and voltage deviation under load variation |
| Leakage Current (IR) | 0.1 µA @ VR = 38 V - ensures minimal standby power loss in high-impedance bias networks |
| Capacitance (C) | 40 pF @ VR = 0 V, f = 1 MHz - impacts high-frequency noise filtering and signal integrity in RF-adjacent circuits |
| Junction Temp Range | −65 °C to +150 °C - supports operation in under-hood automotive environments and industrial edge nodes |
| Package | X2DFNW2 (0402, 1.00 × 0.60 × 0.37 mm) - enables miniaturized designs with AOI-compatible wettable flanks |
Pinout & Package
The SZNZ8F47VMX2WT5G uses the X2DFNW2 surface-mount package (Case 711BG), measuring 1.00 mm × 0.60 mm × 0.37 mm with 0.65 mm pitch and wettable flank sidewalls for reliable solder joint inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener cathode terminal | Connected to regulated voltage rail; reverse-biased during clamping; marking side identifies this pin |
| 2 (Anode) | Zener anode terminal | Connected to ground or lower-potential reference; completes conduction path during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 Qualified | Validated for automotive applications including engine control modules and ADAS sensor interfaces |
| Wettable Flank Package | Enables 100% automated optical inspection of solder fillets without X-ray, reducing manufacturing defect escape |
| Pb-Free / RoHS Compliant | Meets global environmental compliance requirements for automotive and industrial end equipment |
| Low Body Height (0.40 mm) | Minimizes profile in space-constrained modules such as telematics units and battery management systems |
| Stable Zener Voltage TC | +38 mV/°C typical temperature coefficient ensures predictable clamping shift across operating temperature range |
Applications
| Automotive Engine Control Unit (ECU) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protecting microcontroller I/O pins and analog front-end inputs from load-dump transients up to 40 V in 12 V automotive systems. IC Role / Device Role / Timing Role: Unidirectional voltage clamp limiting rail excursions during ISO 7637-2 Pulse 5a events. Use Value: Prevents latch-up or permanent damage to 5 V tolerant MCU peripherals while maintaining <0.1 µA leakage at nominal 12 V supply. | Use Scenario: Stabilizing reference voltage for 24 V industrial analog sensors exposed to switching noise from nearby contactors or VFDs. IC Role / Device Role / Timing Role: Precision shunt regulator establishing stable 47 V bias point for op-amp level-shifting stages. Use Value: Delivers ±5% voltage accuracy and 40 pF capacitance to avoid phase margin degradation in feedback loops. |
| Telematics Control Unit (TCU) | Automotive Camera Module ESD Protection |
Use Scenario: Clamping CAN FD bus line voltage spikes induced by hot-plug events or antenna coupling in connected vehicle gateways. IC Role / Device Role / Timing Role: Secondary overvoltage suppressor placed after primary TVS, fine-tuning clamping near system rail limits. Use Value: Provides tighter 44.65–49.35 V window than generic 48 V TVS, minimizing false triggering during normal bus modulation. | Use Scenario: Protecting image sensor I/O lines against IEC 61000-4-2 Level 4 ESD strikes in rear-view and surround-view camera assemblies. IC Role / Device Role / Timing Role: Low-capacitance Zener clamp integrated into high-speed MIPI CSI-2 signal path. Use Value: Limits voltage excursion to ≤49.35 V with only 40 pF parasitic capacitance, preserving signal rise/fall times >1 ns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMSZ47ET1G | Same 47 V nominal Zener voltage but ±5% tolerance at IZT = 10 mA; SOD-123 package (1.8 × 1.4 × 1.1 mm); higher RJA = 500 °C/W | Larger footprint and lower power density; less suitable for ultra-compact automotive modules | Select when board space allows larger package and higher test current simplifies validation |
| BZX84-C47 | 47 V Zener with ±5% tolerance at IZT = 5 mA; SOT-23 package (3.0 × 1.4 × 1.1 mm); no AEC-Q101 qualification | Not qualified for automotive use; lacks wettable flanks and AOI support | Acceptable for cost-sensitive industrial prototypes where AEC-Q101 is not mandated |
Compared with MMSZ47ET1G and BZX84-C47, the SZNZ8F47VMX2WT5G offers superior board-area efficiency, AEC-Q101 compliance, and AOI-ready packaging - critical for production-grade automotive electronics requiring zero-defect solder joints and thermal reliability in tight spaces.
Availability
SZNZ8F47VMX2WT5G is available at Aetrix Electronics and suitable for automotive engine control units, industrial sensor interfaces, and telematics gateway designs requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SZNZ8F47VMX2WT5G 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 is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NZ8F Series is designed specifically for space-constrained, high-reliability voltage regulation in automotive and industrial systems - emphasizing AEC-Q101 qualification, wettable flank inspection capability, and tight parametric consistency across temperature.
FAQ
What is the Zener voltage tolerance of SZNZ8F47VMX2WT5G?
The SZNZ8F47VMX2WT5G has a Zener voltage range of 44.65 V to 49.35 V at IZT = 2 mA, corresponding to ±5% tolerance about the nominal 47 V rating. This tolerance is verified per onsemi's NZ8FxxxMX2W standard series specification and applies under DC test conditions at TA = 25 °C.
Is SZNZ8F47VMX2WT5G qualified for automotive applications?
Yes, SZNZ8F47VMX2WT5G is AEC-Q101 qualified and PPAP capable, as confirmed in the official onsemi datasheet. The "SZ" prefix explicitly denotes compliance with automotive site and control change requirements, making it suitable for engine control units, body electronics, and ADAS subsystems.
What is the maximum power dissipation for SZNZ8F47VMX2WT5G on a standard FR-4 board?
SZNZ8F47VMX2WT5G delivers 250 mW total device dissipation at TA = 25 °C on an FR-4 board with minimum pad layout and 1 oz. copper, derating linearly at 1.5 mW/°C above that temperature. This rating assumes proper thermal land pattern per Case 711BG mechanical drawing.
Does SZNZ8F47VMX2WT5G support automated optical inspection (AOI)?
Yes, SZNZ8F47VMX2WT5G uses the X2DFNW2 package with wettable flanks - specifically engineered to allow full-spectrum AOI of solder fillets without requiring X-ray. This feature is documented in the onsemi datasheet under "Wettable Flank Package for optimal Automated Optical Inspection (AOI)."
What is the reverse leakage current specification for SZNZ8F47VMX2WT5G?
The reverse leakage current for SZNZ8F47VMX2WT5G is specified as 0.1 µA maximum at VR = 38 V and TA = 25 °C. This value is listed in the Electrical Characteristics table for the NZ8FxxxMX2W series and reflects low standby power consumption essential for always-on automotive modules.
SZNZ8F47VMX2WT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- NZ8F
- Package/Case:
- 2-XDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 47 V
- Tolerance:
- ±5%
- Power - Max:
- 250 mW
- Impedance (Max) (Zzt):
- 170 Ohms
- Current - Reverse Leakage @ Vr:
- 100 nA @ 38 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 2-X2DFNW (1x0.6)
SZNZ8F47VMX2WT5G FAQ
1.How can I place an order for SZNZ8F47VMX2WT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for SZNZ8F47VMX2WT5G 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 SZNZ8F47VMX2WT5G reliable?
The price and inventory of SZNZ8F47VMX2WT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SZNZ8F47VMX2WT5G is usually 5 days.
3.What payment methods are accepted for SZNZ8F47VMX2WT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SZNZ8F47VMX2WT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SZNZ8F47VMX2WT5G?
SZNZ8F47VMX2WT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SZNZ8F47VMX2WT5G 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 SZNZ8F47VMX2WT5G?
For technical support, including SZNZ8F47VMX2WT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SZNZ8F47VMX2WT5G requirements.
6.How does Aetrix verify that SZNZ8F47VMX2WT5G is sourced from the original manufacturer or authorized distributors?
All SZNZ8F47VMX2WT5G 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 SZNZ8F47VMX2WT5G meets industry standards.
7.What is the process for return or replacement of SZNZ8F47VMX2WT5G?
All SZNZ8F47VMX2WT5G units undergo pre-shipment inspection (PSI). If there is an issue with SZNZ8F47VMX2WT5G, 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 SZNZ8F47VMX2WT5G part is unused and in its original packaging.
Return procedure for SZNZ8F47VMX2WT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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