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onsemi MM5Z47VT5G
- Part No.:
- MM5Z47VT5G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
MM5Z47VT5G.pdf
- Description:
- DIODE ZENER 47V 500MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:47,770
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Product details
Overview
MM5Z47VT5G from onsemi is a 47 V ±5% Zener diode in SOD-523 package, rated for 500 mW steady-state power dissipation at 25 °C, with 170 Ω maximum Zener impedance at 1 mA test current and 0.05 μA reverse leakage at 32.9 V. It provides precision voltage regulation in space-constrained portable electronics.
For engineers reviewing the MM5Z47VT5G datasheet, pinout, applications, or equivalent options, key selection criteria include its 47 V nominal Zener voltage, ±5% tolerance, 170 Ω dynamic impedance at IZK = 1 mA, ESD rating >16 kV HBM, and SOD-523 footprint compatibility with high-density PCB layouts.
Technical Context
This device operates as a two-terminal voltage reference diode, conducting in reverse breakdown to clamp or regulate voltage across load circuits. Its Zener voltage is specified at 44–50 V (min–max) under 1 mA test current, with temperature coefficient of ±0.05 %/°C and capacitance of 40 pF at 0 V and 1 MHz.
The MM5Z47VT5G exhibits low thermal resistance (250 °C/W junction-to-ambient on FR-4), supports reflow up to 260 °C, and meets MSL 1 moisture sensitivity level. Its cathode-anode polarity is marked by a band on the SOD-523 body, and it is Pb-free and RoHS compliant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 47 V nominal, 44–50 V range at IZT = 1 mA - defines clamping threshold in overvoltage protection |
| Power Rating (PD) | 500 mW at TA = 25 °C - limits continuous dissipation without derating |
| Zener Impedance (ZZK) | 170 Ω max at IZK = 1 mA - determines regulation stiffness under light load |
| Reverse Leakage (IR) | 0.05 μA max at VR = 32.9 V - ensures minimal standby current in bias networks |
| Capacitance (C) | 40 pF at VR = 0 V, f = 1 MHz - impacts high-frequency noise filtering capability |
| ESD Rating | Class 3 (>16 kV) per HBM - enables robust handling in manual assembly and field environments |
| Package | SOD-523 (1.20 × 0.80 × 0.60 mm) - supports 0201-class board area usage in ultra-compact designs |
Pinout & Package
SOD-523 surface-mount package with molded thermosetting plastic case, matte tin lead finish, and MSL 1 rating. Cathode identified by polarity band on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Banded End) | Cathode | Connected to regulated output node; reverse-biased during Zener operation |
| 2 (Non-banded End) | Anode | Connected to ground or lower-potential reference; completes conduction path |
Key Features
| Feature | Design Value |
|---|---|
| Standard tolerance Zener series | ±5% VZ tolerance enables predictable clamping without custom trimming |
| High ESD immunity | >16 kV HBM rating reduces risk of damage during handling and system integration |
| Pb-free and RoHS-compliant | Meets global environmental compliance requirements for consumer and industrial products |
| Low-profile SOD-523 footprint | 0.7 mm height and 0.96 mm² board area support miniaturized mobile and wearable PCBs |
| Stable temperature coefficient | ±0.05 %/°C variation ensures <±2% VZ drift over −65 to +150 °C operating range |
Applications
| Cellular Phone Power Management | USB-C Port Protection |
|---|---|
Use Scenario: Clamping transient surges on battery input rails during hot-plug events or charger switching transients. IC Role / Device Role / Timing Role: Zener diode acting as shunt overvoltage protector for PMIC input stage. Use Value: Limits voltage excursions to ≤50 V, preventing damage to 5.5 V-rated LDOs and battery fuel gauges. | Use Scenario: Suppressing ESD and line transients on CC and VBUS lines in compact USB-C receptacles. IC Role / Device Role / Timing Role: Standby-mode voltage clamp protecting Type-C controller and power delivery ICs. Use Value: Withstands >16 kV HBM strikes while adding only 40 pF loading to high-speed CC signaling. |
| Wearable Sensor Node Biasing | Industrial IoT Edge Controller Reference |
Use Scenario: Providing stable 47 V reference for high-side current sense amplifier biasing in optical pulse oximeters. IC Role / Device Role / Timing Role: Precision Zener reference source for analog front-end gain-setting network. Use Value: Delivers 47 V ±5% with <170 Ω dynamic impedance, enabling <0.1% full-scale error in 24-bit ADC systems. | Use Scenario: Regulating auxiliary 47 V rail for isolated gate drivers in programmable logic controller (PLC) I/O modules. IC Role / Device Role / Timing Role: Primary shunt regulator establishing clean local supply for optocoupler LED drivers. Use Value: Maintains regulation within 500 mW limit across −40 to +85 °C ambient, supporting 10-year field life. |
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-C47 | 47 V ±5%, SOD-323 package (1.7 × 1.3 × 0.9 mm), 300 mW rating, 200 Ω ZZK | Larger footprint and lower power rating limit use in ultra-dense layouts | Select when SOD-323 is already standardized and 300 mW suffices |
| MM3Z47VT1G | 47 V ±5%, SOD-323 package, same electrical specs but 3,000-piece tape-and-reel vs. 8,000 for MM5Z47VT5G | Same performance but different packaging density and cost structure | Select for lower-volume prototyping where smaller reels reduce inventory overhead |
Compared with BZX584-C47 and MM3Z47VT1G, the MM5Z47VT5G offers superior power handling (500 mW vs. 300 mW), tighter Zener impedance (170 Ω vs. 200 Ω), and smallest available footprint (SOD-523), making it optimal for next-generation wearables and miniaturized industrial sensors requiring high reliability in minimal area.
Availability
MM5Z47VT5G is available at Aetrix Electronics and suitable for cellular phone power management, USB-C port protection, and wearable sensor node biasing requiring stable component supply, consistent parametric performance, and long-term lifecycle support.
Supply support for MM5Z47VT5G 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 (Semiconductor Components Industries, LLC) is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The MM5ZxxxT5G series is designed specifically for space-constrained voltage regulation and overvoltage protection in portable and high-density electronics, emphasizing small form factor, high ESD resilience, and tight Zener tolerance.
FAQ
What is the Zener voltage tolerance of MM5Z47VT5G?
The MM5Z47VT5G has a standard tolerance of ±5% on its nominal 47 V Zener voltage, meaning the actual measured VZ falls between 44 V and 50 V at IZT = 1 mA and TA = 25 °C. This tolerance is confirmed in the Electrical Characteristics table on page 3 of the official onsemi datasheet (Rev. 19, April 2025). The MM5Z47VT5G maintains this specification across its qualified operating temperature range.
Does MM5Z47VT5G support lead-free reflow soldering?
Yes, the MM5Z47VT5G is Pb-free and RoHS compliant, with a qualified maximum reflow temperature of 260 °C and full compliance with JEDEC J-STD-020 MSL 1 requirements. Its matte tin lead finish and thermosetting plastic case ensure reliable solder joint formation using standard lead-free reflow profiles. This makes the MM5Z47VT5G suitable for modern automated assembly lines without requiring special process adjustments.
What is the reverse leakage current specification for MM5Z47VT5G?
The MM5Z47VT5G specifies a maximum reverse leakage current (IR) of 0.05 μA at VR = 32.9 V and TA = 25 °C. This value is documented in the Electrical Characteristics table on page 3 of the onsemi datasheet. Low leakage ensures minimal quiescent power draw in always-on bias networks and improves accuracy in precision reference applications where current errors must be sub-nanoampere.
How does the Zener impedance of MM5Z47VT5G affect regulation performance?
The MM5Z47VT5G has a maximum Zener impedance (ZZK) of 170 Ω at IZK = 1 mA, directly impacting its ability to maintain stable voltage under varying load conditions. Lower impedance yields tighter regulation-e.g., a 1 mA change in current causes only ~170 mV shift in output voltage. This is critical in applications like sensor biasing where voltage stability directly affects measurement linearity and ADC accuracy.
Is MM5Z47VT5G suitable for automotive applications?
The base MM5Z47VT5G is not AEC-Q101 qualified; however, the SZMM5Z47VT5G variant (same electrical specs, automotive-grade traceability and PPAP support) is certified for automotive use. For non-automotive industrial or consumer applications-including handheld portables and high-density PC boards-the MM5Z47VT5G meets all required reliability and performance criteria as stated in the onsemi datasheet.
MM5Z47VT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- MM5ZxxxT1G
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 47 V
- Tolerance:
- ±6.38%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 170 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 32.9 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-523
MM5Z47VT5G FAQ
1.How can I place an order for MM5Z47VT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for MM5Z47VT5G 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 MM5Z47VT5G reliable?
The price and inventory of MM5Z47VT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MM5Z47VT5G is usually 5 days.
3.What payment methods are accepted for MM5Z47VT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MM5Z47VT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MM5Z47VT5G?
MM5Z47VT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MM5Z47VT5G 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 MM5Z47VT5G?
For technical support, including MM5Z47VT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MM5Z47VT5G requirements.
6.How does Aetrix verify that MM5Z47VT5G is sourced from the original manufacturer or authorized distributors?
All MM5Z47VT5G 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 MM5Z47VT5G meets industry standards.
7.What is the process for return or replacement of MM5Z47VT5G?
All MM5Z47VT5G units undergo pre-shipment inspection (PSI). If there is an issue with MM5Z47VT5G, 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 MM5Z47VT5G part is unused and in its original packaging.
Return procedure for MM5Z47VT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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