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onsemi MM3Z36VT1
- Part No.:
- MM3Z36VT1
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
MM3Z36VT1.pdf
- Description:
- DIODE ZENER 36V 200MW SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:2,697
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Product details
Overview
MM3Z36VT1 from onsemi is a 36 V ±5.6% (34–38 V) Zener voltage regulator diode in SOD−323 package, rated for 200 mW steady-state power dissipation at 25°C, with 90 Ω maximum Zener impedance at 2 mA test current and 0.05 µA reverse leakage at 25.2 V. It provides precision voltage reference and overvoltage protection in space-constrained portable electronics.
For engineers reviewing the MM3Z36VT1 datasheet, pinout, applications, or equivalent options, key selection criteria include its 36 V nominal Zener voltage, low 0.9 mm body height, Pb-free SOD−323 footprint, ESD rating >16 kV (HBM), and thermal resistance of 635°C/W - all critical for high-density PCBs in battery-powered devices.
Technical Context
The MM3Z36VT1 operates as a two-terminal, silicon planar Zener diode optimized for voltage regulation and clamping in low-power circuits. Its design centers on stable reverse breakdown behavior under controlled DC or pulsed current conditions, with specified Zener voltage tolerance (±5.6%), temperature coefficient (+0.037%/°C derived from 30.4 mV/°C), and dynamic impedance measured at 2 mA.
It features a void-free transfer-molded plastic case (UL 94 V−0), cathode-indicated polarity band, and Pb−Sn or Sn-only lead plating. Maximum junction temperature is +150°C, with derating starting above 25°C at 1.5 mW/°C, and soldering allowed up to 260°C for 10 seconds.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 34–38 V @ IZT = 2 mA - defines clamping threshold for overvoltage protection |
| Power Dissipation (PD) | 200 mW @ TA = 25°C - limits continuous operating current to ~5.6 mA at 36 V |
| Zener Impedance (ZZT) | 90 Ω max @ 2 mA - determines regulation accuracy under load transients |
| Reverse Leakage (IR) | 0.05 µA @ 25.2 V - ensures minimal standby current in bias networks |
| Capacitance (C) | 70 pF @ VR = 0, f = 1 MHz - impacts high-frequency noise filtering capability |
| ESD Rating | Class 3 (>16 kV HBM) - supports robust handling in automated assembly |
| Package | SOD−323 (1.7 × 1.25 × 0.9 mm) - enables placement on 0.5 mm pitch pads in ultra-compact layouts |
Pinout & Package
SOD−323 surface-mount package with cathode marked by polarity band; total weight 4.507 mg; flammability UL 94 V−0; mounting position unrestricted.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener breakdown terminal | Connected to regulated voltage node; reverse-biased during operation |
| 2 (Anode) | Reference/ground terminal | Tied to circuit common or lower-potential rail; completes Zener conduction path |
Key Features
| Feature | Design Value |
|---|---|
| Precision Zener voltage tolerance | ±5.6% (34–38 V range) - enables reliable clamping without margin oversizing |
| Low-profile SOD−323 footprint | 0.9 mm height - fits beneath stacked components and under connectors |
| High ESD immunity | Class 3 (>16 kV HBM) - eliminates need for external ESD protection in handheld interfaces |
| Thermal stability | 635°C/W junction-to-ambient resistance - allows accurate thermal modeling in FR-4 layouts |
| Pb-free compliance | Sn-only or Pb−Sn plating - meets RoHS and JEDEC J-STD-020 reflow requirements |
Applications
| Smartphone Power Rail Protection | USB-C Port Voltage Clamp |
|---|---|
Use Scenario: Protects 3.3 V and 5 V rails from transient surges during hot-plug events in compact smartphone PMIC domains. IC Role / Device Role / Timing Role: Zener clamping diode placed between rail and ground to shunt excess energy above 36 V. Use Value: Prevents latch-up in downstream LDOs and PMICs by limiting peak voltage to ≤38 V with <0.05 µA leakage at 25.2 V. | Use Scenario: Installed on CC line and VBUS detection circuitry to clamp ESD spikes during USB-C connector mating. IC Role / Device Role / Timing Role: Standby-mode voltage limiter absorbing fast HBM pulses before they reach controller GPIOs. Use Value: Leverages >16 kV HBM rating and 70 pF capacitance to suppress 100 MHz+ transients without signal distortion. |
| Wearable Sensor Bias Reference | IoT Node Battery Monitor Threshold |
Use Scenario: Provides stable 36 V reference for analog front-end gain calibration in medical-grade wearable ECG modules. IC Role / Device Role / Timing Role: Precision Zener used in ratiometric divider network feeding ADC reference input. Use Value: Maintains ±5.6% voltage accuracy across −65°C to +150°C, enabling drift-compensated sensor offset correction. | Use Scenario: Sets overvoltage trip point for lithium-ion battery pack monitoring ICs in asset-tracking tags. IC Role / Device Role / Timing Role: Zener-based comparator threshold element detecting cell imbalance or charger fault. Use Value: Delivers repeatable 36 V trigger with 90 Ω dynamic impedance, ensuring consistent response across 10k-cycle field deployments. |
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-B36,115 | Same 36 V nominal Zener, but 300 mW rating and SOD-323 package with 100 Ω ZZT @ 5 mA | Higher power handling supports 8.3 mA continuous current; slightly higher impedance affects regulation tightness | Select when higher surge energy absorption is required and layout allows same footprint |
| MMSZ5241B-TP | 36 V Zener in SOD-123 package (2.7 × 1.4 × 1.0 mm); 500 mW rating; 100 Ω ZZT @ 5 mA | Larger footprint and higher power suit industrial PCBs where density is less constrained | Choose for legacy designs using SOD-123 or where thermal margin must exceed 200 mW |
Compared with BZX384-B36,115 and MMSZ5241B-TP, the MM3Z36VT1 offers tighter board area usage (1.7 × 1.25 mm), lower profile (0.9 mm), and superior ESD robustness (>16 kV), making it optimal for next-gen wearables and ultra-thin mobile accessories where space and reliability are co-constrained.
Availability
MM3Z36VT1 is available at Aetrix Electronics and suitable for smartphone power rail protection, USB-C port voltage clamp, and wearable sensor bias reference requiring stable component supply across high-volume production cycles.
Supply support for MM3Z36VT1 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 delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The MM3Z36VT1 belongs to the MM3Z2V4T1 series of 200 mW Zener regulators designed specifically for space-constrained, low-power voltage reference and overvoltage protection in portable electronics.
FAQ
What is the Zener voltage tolerance of MM3Z36VT1?
The MM3Z36VT1 has a Zener voltage range of 34 V to 38 V at 2 mA test current, corresponding to a nominal 36 V with ±5.6% tolerance. This specification is verified per the onsemi datasheet Rev. 7, and applies under ambient temperature of 25°C with pulse testing to avoid self-heating effects. The MM3Z36VT1 maintains this tolerance across its qualified operating temperature range.
Does MM3Z36VT1 support Pb-free assembly processes?
Yes, the MM3Z36VT1 is offered in a Pb-free package (indicated by the "G" suffix), with leads plated in pure tin (Sn-only) per JEDEC J-STD-020. It is compatible with standard lead-free reflow profiles up to 260°C for 10 seconds, and meets RoHS Directive 2011/65/EU. The MM3Z36VT1's SOD−323 package has been qualified for both Sn-only and Pb−Sn plating options.
What is the maximum reverse leakage current for MM3Z36VT1?
The MM3Z36VT1 exhibits a maximum reverse leakage current of 0.05 µA at 25.2 V (70% of nominal 36 V), as specified in the Electrical Characteristics table. This low leakage ensures minimal power loss in high-impedance bias networks and supports long battery life in always-on IoT nodes. The MM3Z36VT1's leakage remains stable across −65°C to +150°C junction temperature range.
Can MM3Z36VT1 be used in ESD protection circuits?
Yes, the MM3Z36VT1 is rated Class 3 for Human Body Model ESD with >16 kV withstand capability, making it suitable for I/O line protection in handheld devices. Its 70 pF capacitance at 0 V bias and fast Zener turn-on time enable effective clamping of fast transients without distorting data signals. When deployed for ESD protection, the MM3Z36VT1 should be placed within 5 mm of the connector per IEC 61000-4-2 layout guidelines.
What is the thermal resistance of MM3Z36VT1?
The MM3Z36VT1 has a junction-to-ambient thermal resistance (RJA) of 635°C/W on FR-4 board with minimum pad layout. This value is used to calculate junction temperature rise under steady-state power dissipation: TJ = TA + (PD × RJA). At full 200 mW dissipation and 25°C ambient, TJ reaches ~154°C - near the +150°C absolute maximum, confirming the need for derating above 25°C as specified (1.5 mW/°C). The MM3Z36VT1's thermal performance is validated per JEDEC JESD51-2.
MM3Z36VT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-76, SOD-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Voltage - Zener (Nom) (Vz):
- 36 V
- Tolerance:
- ±6%
- Power - Max:
- 200 mW
- Impedance (Max) (Zzt):
- 90 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 25.2 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -65°C ~ 150°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
MM3Z36VT1 FAQ
1.How can I place an order for MM3Z36VT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MM3Z36VT1 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 MM3Z36VT1 reliable?
The price and inventory of MM3Z36VT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MM3Z36VT1 is usually 5 days.
3.What payment methods are accepted for MM3Z36VT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MM3Z36VT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MM3Z36VT1?
MM3Z36VT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MM3Z36VT1 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 MM3Z36VT1?
For technical support, including MM3Z36VT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MM3Z36VT1 requirements.
6.How does Aetrix verify that MM3Z36VT1 is sourced from the original manufacturer or authorized distributors?
All MM3Z36VT1 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 MM3Z36VT1 meets industry standards.
7.What is the process for return or replacement of MM3Z36VT1?
All MM3Z36VT1 units undergo pre-shipment inspection (PSI). If there is an issue with MM3Z36VT1, 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 MM3Z36VT1 part is unused and in its original packaging.
Return procedure for MM3Z36VT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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