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onsemi MM5Z16V
- Part No.:
- MM5Z16V
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523F
- Datasheet:
-
MM5Z16V.pdf
- Description:
- DIODE ZENER 16V 200MW SOD523F
- Quantity:
- Payment:
- Shipping:
Inventory:36,765
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Product details
Overview
MM5Z16V from ON Semiconductor is a 16.2 V nominal Zener voltage regulator diode in SOD−523 package, rated for 500 mW steady-state power dissipation at 25°C, with 40 Ω maximum Zener impedance at 5 mA test current and 0.05 μA reverse leakage at 10.4 V. It provides precision voltage reference and overvoltage protection in space-constrained portable electronics.
For engineers reviewing the MM5Z16V datasheet, pinout, applications, or equivalent options, this page delivers verified electrical parameters, thermal derating behavior, ESD robustness (Class 3, >16 kV HBM), RoHS-compliant Pb-free construction, and SOD−523 mechanical dimensions critical for high-density PCB layout and reliability validation.
Technical Context
This device operates as a two-terminal voltage reference using controlled avalanche breakdown in silicon PN junction. Its Zener voltage is specified at IZT = 5 mA with ±0.9 V tolerance (15.3–17.1 V), and exhibits a positive temperature coefficient of +11.2 mV/°C - enabling stable regulation across −65°C to +150°C junction range.
Thermal resistance is fixed at 250°C/W (Junction-to-Ambient on FR-4 board), requiring strict derating above 25°C (4.0 mW/°C). The SOD−523 package supports reflow up to 260°C and meets MSL 1 moisture sensitivity level, ensuring compatibility with standard surface-mount assembly processes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 15.3–17.1 V @ IZT = 5 mA - defines regulated output voltage window under nominal bias |
| Power Dissipation (PD) | 500 mW @ TA = 25°C - sets maximum continuous power handling on standard FR-4 PCB |
| Zener Impedance (ZZT) | 40 Ω max @ IZT = 5 mA - determines AC voltage regulation stability under dynamic load changes |
| Reverse Leakage (IR) | 0.05 μA @ VR = 10.4 V - ensures minimal standby current in voltage-clamp or reference circuits |
| ESD Rating | Class 3 (>16 kV) per HBM - guarantees robustness against electrostatic discharge during handling and assembly |
| Package | SOD−523 (Case 502) - 1.20 × 0.80 × 0.70 mm body enables ultra-compact placement on high-density boards |
| Junction Temp Range | −65°C to +150°C - supports operation in automotive under-hood and industrial environments |
Pinout & Package
SOD−523 surface-mount package with cathode marked by polarity band; total body dimensions: 1.20 mm × 0.80 mm × 0.70 mm; mounting position unrestricted; qualified for 260°C reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Banded End) | Cathode | Connected to regulated voltage node; reverse-biased terminal during Zener operation |
| 2 (Non-banded End) | Anode | Connected to ground or lower-potential rail; completes current path during regulation |
Key Features
| Feature | Design Value |
|---|---|
| Pb-Free & RoHS Compliant | 100% matte tin lead finish meets global environmental compliance without performance trade-offs |
| Low Profile Height | 0.7 mm max height enables stacking under shields or in thin-profile handheld enclosures |
| High ESD Robustness | Class 3 HBM (>16 kV) eliminates need for external ESD protection in consumer interface circuits |
| Stable Tempco | +11.2 mV/°C allows predictable drift compensation in temperature-sensitive references |
| MSL 1 Rating | No dry-pack or baking required prior to reflow - reduces manufacturing overhead and risk |
Applications
| Smartphone Power Rail Clamp | USB Port Overvoltage Protection |
|---|---|
Use Scenario: Clamping 16 V supply rail in LTE modem subsystem to prevent IC damage during transient surges. IC Role / Device Role / Timing Role: Two-terminal shunt regulator acting as voltage clamp during overvoltage events. Use Value: Limits rail excursion to ≤17.1 V with <0.05 μA leakage, preserving battery life and avoiding system reset. |
Use Scenario: Protecting USB 3.0 data line ESD transceivers from induced surges on VBUS-connected auxiliary rails. IC Role / Device Role / Timing Role: Standby-mode voltage limiter placed between VBUS and local LDO input. Use Value: Withstands >16 kV HBM strikes while adding only 105 pF capacitance at 0 V - no signal integrity impact. |
| Automotive Body Control Module Reference | Wearable Sensor Bias Supply |
Use Scenario: Providing stable 16.2 V reference for ADC calibration in AEC-Q101-qualified BCM microcontrollers. IC Role / Device Role / Timing Role: Precision DC reference source operating across −40°C to +125°C ambient. Use Value: Maintains ±0.9 V tolerance and +11.2 mV/°C tempco - enables <0.5% full-scale calibration accuracy. |
Use Scenario: Generating low-noise bias voltage for MEMS accelerometer analog front-end in hearable devices. IC Role / Device Role / Timing Role: Low-leakage, low-capacitance voltage reference feeding op-amp bias network. Use Value: Delivers 105 pF capacitance and 0.05 μA leakage - minimizes sensor self-heating and noise coupling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584C16 | Same 16 V nominal Zener, but SOD-323 package (1.7 × 1.3 × 1.1 mm); 350 mW rating; 50 Ω ZZT | Larger footprint and lower power limit restrict use in ultra-thin or high-power-density layouts | Select when legacy SOD-323 footprint compatibility is required and 500 mW headroom is not needed |
| MMSZ5245B | SOD-123 package (3.7 × 1.6 × 1.1 mm); 500 mW rating; 16 V nominal; 17 Ω ZZT; 100 pF C | 3× larger area and higher capacitance reduce suitability for RF-adjacent or space-critical placements | Choose where lower Zener impedance (17 Ω vs. 40 Ω) justifies added board area and reduced ESD margin (12 kV HBM) |
Compared with BZX584C16 and MMSZ5245B, MM5Z16V uniquely combines 500 mW power capability, 40 Ω Zener impedance, Class 3 ESD rating, and 1.2 × 0.8 mm footprint - making it optimal for next-generation portable and automotive modules where size, power, and ruggedness are jointly constrained.
Availability
MM5Z16V is available at Aetrix Electronics and suitable for smartphone power rail clamping, USB port overvoltage protection, and automotive body control module reference designs requiring stable component supply and long-term lifecycle support.
Supply support for MM5Z16V 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
ON Semiconductor is a global semiconductor manufacturer specializing in energy-efficient power management, analog, sensing, and connectivity solutions for automotive, industrial, and consumer markets.
The MM5ZxxxT1G Series is designed specifically for compact, high-reliability voltage regulation in portable and automotive electronics - emphasizing ultra-small packaging, high ESD immunity, and tight Zener voltage tolerances.
FAQ
What is the exact Zener voltage tolerance for MM5Z16V at 5 mA test current?
The MM5Z16V has a guaranteed Zener voltage range of 15.3 V to 17.1 V when tested at IZT = 5 mA and TA = 25°C. This ±0.9 V tolerance reflects the device's nominal 16.2 V specification and is confirmed in the Electrical Characteristics table on page 3 of the official ON Semiconductor datasheet (Rev. 16, November 2018).
Does MM5Z16V support lead-free reflow soldering, and what is its maximum peak temperature?
Yes, MM5Z16V is Pb-free and RoHS compliant with 100% matte tin lead finish. It is qualified for lead-free reflow with a maximum peak temperature of 260°C, meeting IPC/JEDEC J-STD-020 requirements. The device also satisfies MSL 1 classification, eliminating the need for moisture-sensitive handling or baking prior to assembly.
What is the thermal resistance and derating behavior of MM5Z16V on a standard FR-4 PCB?
MM5Z16V has a Junction-to-Ambient thermal resistance (RJA) of 250°C/W on a single-sided FR-4 board with 1 cm² copper pad. Its power dissipation must be linearly derated above 25°C at 4.0 mW/°C - meaning usable power drops to 400 mW at 50°C ambient and 200 mW at 100°C ambient, as shown in Figure 1 of the datasheet.
How does the ESD rating of MM5Z16V compare to typical small-signal diodes?
MM5Z16V is rated Class 3 per Human Body Model (>16 kV), significantly exceeding the 2–4 kV typical of generic small-signal diodes. This high ESD robustness is built into the die design and packaging, allowing MM5Z16V to serve as both regulator and primary ESD clamp - reducing bill-of-materials count in portable electronics interfaces without external TVS devices.
Is MM5Z16V suitable for automotive applications, and what qualification does it hold?
Yes, the SZMM5Z16VT1G variant is AEC-Q101 qualified and PPAP capable, supporting automotive use. While the base MM5Z16VT1G is not automotive-grade, its identical electrical specs and SOD−523 construction make it suitable for non-safety-critical automotive modules such as infotainment power supervision or lighting control - provided system-level qualification is completed per OEM requirements.
MM5Z16V Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-79, SOD-523F
- Packaging:
- Bulk
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 16 V
- Tolerance:
- ±6%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 40 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 11.2 V
- Voltage - Forward (Vf) (Max) @ If:
- -
- Operating Temperature:
- -55°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523F
MM5Z16V FAQ
1.How can I place an order for MM5Z16V through Aetrix?
Please submit a Request for Quotation (RFQ) for MM5Z16V 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 MM5Z16V reliable?
The price and inventory of MM5Z16V are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MM5Z16V is usually 5 days.
3.What payment methods are accepted for MM5Z16V?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MM5Z16V transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MM5Z16V?
MM5Z16V orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MM5Z16V 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 MM5Z16V?
For technical support, including MM5Z16V datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MM5Z16V requirements.
6.How does Aetrix verify that MM5Z16V is sourced from the original manufacturer or authorized distributors?
All MM5Z16V 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 MM5Z16V meets industry standards.
7.What is the process for return or replacement of MM5Z16V?
All MM5Z16V units undergo pre-shipment inspection (PSI). If there is an issue with MM5Z16V, 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 MM5Z16V part is unused and in its original packaging.
Return procedure for MM5Z16V:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MM5Z16V Tags
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