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onsemi MMSZ3V6T3G
- Part No.:
- MMSZ3V6T3G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SOD-123
- Datasheet:
-
MMSZ3V6T3G.pdf
- Description:
- DIODE ZENER 3.6V 500MW SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:410,000
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Product details
Overview
MMSZ3V6T3G from onsemi is a 3.6 V ±5% Zener voltage regulator diode in SOD−123 package, rated for 500 mW power dissipation at TL = 75°C, with 90 Ω maximum dynamic impedance at 5 mA test current and 5 µA max reverse leakage at 1 V reverse bias - used for precision voltage reference and overvoltage protection in low-power sensor interfaces and microcontroller I/O rail clamping.
For engineers reviewing the MMSZ3V6T3G datasheet, pinout, applications, or equivalent options, key selection criteria include Zener tolerance (±5%), thermal resistance (340°C/W), AEC−Q101 qualification status, ESD robustness (>16 kV HBM), and Pb−free SOD−123 packaging compatibility with automated surface-mount assembly.
Technical Context
The MMSZ3V6T3G operates as a two-terminal shunt voltage regulator, maintaining stable 3.6 V output across 1 mA to 20 mA Zener current range. Its 90 Ω dynamic impedance at IZT = 5 mA ensures minimal voltage deviation under load transients, while its −55°C to +150°C junction temperature range supports automotive under-hood and industrial control environments.
Designed for FR−4/FR−5 PCBs, it delivers 500 mW power rating with 6.7 mW/°C derating above 75°C ambient, and features cathode polarity band marking per JEDEC standard. Its 150°C/W junction-to-lead thermal resistance enables effective heat conduction through soldered terminals during sustained operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.42 V min / 3.6 V nominal / 3.78 V max at IZT = 5 mA - defines tight regulation window for 3.3 V system rail referencing |
| Dynamic Impedance (ZZT) | ≤90 Ω at IZT = 5 mA - limits output voltage shift to ≤450 mV under ±5 mA load variation |
| Power Dissipation (PD) | 500 mW on FR−5 board at TL = 75°C - supports continuous operation in compact, thermally constrained layouts |
| Reverse Leakage (IR) | ≤5 µA at VR = 1 V - ensures negligible quiescent current draw in battery-powered standby circuits |
| ESD Rating | Class 3 (>16 kV) per HBM - protects against electrostatic discharge during handling and board-level integration |
| Junction Temp Range | −55°C to +150°C - qualified for under-dash automotive modules and industrial motor drive feedback networks |
| AEC−Q101 Qualified | Yes - validated for automotive electronics per stress-test requirements including HTGB, TCT, and HTRB |
Pinout & Package
SOD−123 surface-mount plastic package (Case 425, Style 1), void-free thermosetting epoxy case with corrosion-resistant, solderable finish; cathode indicated by polarity band; UL 94 V−0 flammability rating; 260°C max soldering temperature for 10 seconds.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener voltage reference terminal | Connected to regulated node; reverse-biased operation requires this terminal held at higher potential than anode |
| 2 (Anode) | Reference ground return path | Typically tied to system GND or low-impedance return; completes Zener conduction loop during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| 500 mW power rating on FR−5 board | Enables use in space-constrained designs without external heatsinking for <100 mW average dissipation |
| ±5% Zener voltage tolerance | Guarantees 3.42–3.78 V regulation window - sufficient for 3.3 V logic rail monitoring with margin |
| AEC−Q101 qualification | Validates reliability for automotive body electronics, infotainment power management, and ADAS sensor biasing |
| ESD >16 kV (HBM) | Eliminates need for additional ESD protection components in I/O line clamping applications |
| Pb−free SOD−123 package | Complies with RoHS and ELV directives; compatible with lead-free reflow profiles (peak 260°C) |
Applications
| Automotive Sensor Biasing | Microcontroller I/O Clamping |
|---|---|
|
Use Scenario: Providing stable 3.6 V reference for analog front-end of tire pressure sensors in 12 V vehicle systems. IC Role / Device Role / Timing Role: Shunt voltage reference for ADC input scaling and supply rail supervision. Use Value: Maintains <±2% reference accuracy across −40°C to +125°C, enabling consistent sensor calibration without trimming. |
Use Scenario: Protecting GPIO pins of STM32L4 microcontrollers against ESD and transient overvoltage in industrial HMI panels. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor (TVS-like function) on 3.3 V I/O lines. Use Value: Clamps excursions above 3.78 V within nanoseconds while drawing <5 µA leakage at normal operation - no signal distortion. |
| Low-Power IoT Node Regulation | Industrial DAC Reference Stabilization |
|
Use Scenario: Regulating bias voltage for LoRaWAN sub-GHz RF transceivers powered from coin-cell batteries. IC Role / Device Role / Timing Role: Low-quiescent shunt regulator supplying clean 3.6 V to RF IC VDDIO pins. Use Value: Draws only 5 µA at 1 V reverse bias - extends 220 mAh CR2032 battery life beyond 10 years in sleep mode. |
Use Scenario: Stabilizing reference input of AD5662 16-bit DAC in programmable logic controller analog output modules. IC Role / Device Role / Timing Role: Precision voltage reference source replacing larger, more expensive bandgap ICs. Use Value: Delivers 3.6 V ±5% with 90 Ω dynamic impedance - reduces DAC INL error to <0.5 LSB over full temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX384-C3V6 | Same 3.6 V nominal Zener, but 300 mW rating and SOD-323 package (smaller footprint, higher thermal resistance) | Lower power handling limits use in >10 mA continuous applications; not AEC−Q101 qualified | Select when board area is critical and power dissipation stays below 300 mW |
| MM3Z3V6T1G | Identical electrical specs but SOD-323 package and 200 mW rating; same onsemi manufacturing process | Not suitable for high-reliability automotive due to lack of AEC−Q101 validation and lower surge capability | Prefer for cost-sensitive consumer electronics where AEC−Q101 and 500 mW headroom are unnecessary |
Compared with BZX384-C3V6 and MM3Z3V6T1G, the MMSZ3V6T3G offers higher power margin (500 mW vs. 300/200 mW), AEC−Q101 qualification, and superior thermal performance (340°C/W vs. ~450°C/W), making it the only choice for automotive-grade 3.6 V reference in thermally demanding environments.
Availability
MMSZ3Z3V6T3G is available at Aetrix Electronics and suitable for automotive sensor modules, industrial DAC reference circuits, and low-power IoT node regulation requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for MMSZ3V6T3G 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 focused on energy-efficient electronics, delivering silicon solutions for automotive, industrial, cloud, and IoT applications.
The MMSZ3V6T3G belongs to the MMSZxxxT1G Series of Zener regulators designed specifically for high-reliability, surface-mount voltage reference and clamping in automotive and industrial systems - emphasizing AEC−Q101 compliance, thermal robustness, and automated assembly compatibility.
FAQ
What is the Zener voltage tolerance of the MMSZ3V6T3G?
The MMSZ3V6T3G has a nominal Zener voltage of 3.6 V with a standard tolerance of ±5%, meaning the actual measured voltage falls between 3.42 V and 3.78 V when tested at IZT = 5 mA and TA = 25°C. This tolerance is guaranteed across the full operating temperature range and is specified per the device's AEC−Q101 qualification testing.
Is the MMSZ3V6T3G suitable for automotive applications?
Yes, the MMSZ3V6T3G is AEC−Q101 qualified and PPAP capable, with validated performance across −55°C to +150°C junction temperature. It is widely deployed in automotive body control modules, sensor signal conditioning, and infotainment power rails - meeting stress-test requirements including HTGB, TCT, and HTRB per the official onsemi qualification report.
What is the maximum power dissipation for the MMSZ3V6T3G on a standard PCB?
The MMSZ3V6T3G is rated for 500 mW total power dissipation on FR−5 board at lead temperature (TL) = 75°C, with linear derating of 6.7 mW/°C above that temperature. On typical FR−4 boards, derating follows the same slope, and thermal resistance is 340°C/W junction-to-ambient - limiting practical continuous dissipation to ~300 mW at 85°C ambient.
Does the MMSZ3V6T3G have ESD protection built-in?
Yes, the MMSZ3V6T3G has an ESD rating of Class 3 (>16 kV) per the Human Body Model (HBM), verified during AEC−Q101 qualification. This eliminates the need for discrete ESD protection components when used for I/O clamping or low-energy transient suppression in microcontroller peripheral circuits.
What package type does the MMSZ3V6T3G use, and what are its key mechanical features?
The MMSZ3V6T3G uses the SOD−123 surface-mount package (Case 425, Style 1), featuring a void-free thermosetting plastic case, corrosion-resistant solderable finish, UL 94 V−0 flammability rating, and cathode polarity band marking. Its dimensions are 2.54–2.84 mm length × 1.40–1.80 mm width × 0.94–1.35 mm height, optimized for high-density automated assembly.
MMSZ3V6T3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 3.6 V
- Tolerance:
- ±5%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 90 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123
MMSZ3V6T3G FAQ
1.How can I place an order for MMSZ3V6T3G through Aetrix?
Please submit a Request for Quotation (RFQ) for MMSZ3V6T3G 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 MMSZ3V6T3G reliable?
The price and inventory of MMSZ3V6T3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMSZ3V6T3G is usually 5 days.
3.What payment methods are accepted for MMSZ3V6T3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMSZ3V6T3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMSZ3V6T3G?
MMSZ3V6T3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMSZ3V6T3G 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 MMSZ3V6T3G?
For technical support, including MMSZ3V6T3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMSZ3V6T3G requirements.
6.How does Aetrix verify that MMSZ3V6T3G is sourced from the original manufacturer or authorized distributors?
All MMSZ3V6T3G 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 MMSZ3V6T3G meets industry standards.
7.What is the process for return or replacement of MMSZ3V6T3G?
All MMSZ3V6T3G units undergo pre-shipment inspection (PSI). If there is an issue with MMSZ3V6T3G, 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 MMSZ3V6T3G part is unused and in its original packaging.
Return procedure for MMSZ3V6T3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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