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onsemi MM5Z6V8ST1G
- Part No.:
- MM5Z6V8ST1G
- Manufacturer:
- onsemi
- Category:
- Single Zener Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
MM5Z6V8ST1G.pdf
- Description:
- DIODE ZENER 6.8V 500MW SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:5,256
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Product details
Overview
MM5Z6V8ST1G from onsemi is a 500 mW, ±5% tolerance Zener diode in SOD-523 package, with nominal Zener voltage 6.8 V at 5 mA test current, maximum Zener impedance 160 Ω at IZT, and ESD rating >16 kV (HBM). It provides precision voltage regulation in space-constrained portable electronics.
For engineers reviewing the MM5Z6V8ST1G datasheet, pinout, applications, or equivalent options, key selection factors include its tight-tolerance 6.65–6.93 V breakdown range, low-profile 1.20 mm × 0.80 mm footprint, 155 pF capacitance at 0 V, and AEC-Q101 qualification for automotive-grade reliability.
Technical Context
This device operates as a two-terminal voltage reference and overvoltage clamp, leveraging silicon PN junction Zener breakdown. Its thermal resistance of 250 °C/W and 4.0 mW/°C derating above 25 °C define power handling limits on FR-4 PCBs.
The MM5Z6V8ST1G exhibits a positive temperature coefficient of +1.2 mV/°C at 5 mA, enabling predictable drift compensation in bias networks. Its 2.0 µA max reverse leakage at VR = 5.44 V supports low-power standby regulation without excessive quiescent drain.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 6.65–6.93 V at IZT = 5 mA - defines regulated output range under nominal bias |
| Power Rating (PD) | 500 mW at TA = 25 °C - sets maximum continuous dissipation on standard FR-4 board |
| Zener Impedance (ZZT) | 160 Ω max at IZT = 5 mA - determines regulation stiffness under dynamic load changes |
| Reverse Leakage (IR) | 2.0 µA max at VR = 5.44 V - ensures minimal standby current in undervoltage protection circuits |
| Capacitance (C) | 155 pF max at VR = 0 V, f = 1 MHz - impacts high-frequency noise filtering and signal integrity in RF bias paths |
| ESD Rating | Class 3 (>16 kV) HBM - enables direct integration into handheld device front-end interfaces without external protection |
| Package | SOD-523 (1.20 mm × 0.80 mm × 0.70 mm) - fits 0402-class board real estate with automated placement compatibility |
Pinout & Package
SOD-523 surface-mount package with cathode marked by polarity band; body dimensions 1.20 mm × 0.80 mm × 0.70 mm, matte tin lead finish, MSL 1 rated for 260 °C reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Zener anode connection point | Connected to regulated voltage node; polarity band identifies this terminal for correct orientation during placement |
| 2 (Anode) | Zener cathode connection point | Typically tied to ground or lower-potential rail; reverse-biased operation requires anode at lower potential than cathode |
Key Features
| Feature | Design Value |
|---|---|
| Tight voltage tolerance | ±5% (6.65–6.93 V) enables accurate reference generation without post-calibration in consumer power rails |
| Low-profile SOD-523 package | 0.7 mm height allows stacking under shields or integration into ultra-thin mobile modules |
| High ESD robustness | >16 kV HBM withstands repeated human-handling events in assembly and field service |
| Pb-free & RoHS compliant | 100% matte Sn finish meets global environmental compliance requirements for commercial and automotive shipments |
| Thermal stability | +1.2 mV/°C tempco allows predictable drift modeling in temperature-compensated bias networks |
Applications
| Smartphone Power Management | Automotive Infotainment USB Port Protection |
|---|---|
Use Scenario: Regulating 6.8 V bias for camera module LDO input in compact smartphone mainboard. IC Role / Device Role / Timing Role: Precision shunt reference providing stable voltage setpoint for downstream regulators. Use Value: Tight 6.65–6.93 V tolerance ensures consistent LDO enable threshold across production units without trimming. | Use Scenario: Clamping transient surges on 5 V USB data/power lines in vehicle head unit. IC Role / Device Role / Timing Role: Overvoltage protector diverting ESD and load-dump energy away from USB PHY ICs. Use Value: 16 kV HBM rating and 160 Ω ZZT ensure fast clamping response while limiting let-through voltage to safe levels. |
| Wearable Sensor Bias Network | Industrial IoT Edge Node Reference |
Use Scenario: Providing stable 6.8 V reference for analog front-end amplifiers in hearable devices. IC Role / Device Role / Timing Role: Low-drift voltage reference source for ADC bias and sensor excitation. Use Value: +1.2 mV/°C tempco and 155 pF capacitance support stable DC accuracy and minimal RF coupling in miniaturized sensor nodes. | Use Scenario: Generating precise 6.8 V reference for isolated RS-485 transceiver bias in factory automation gateways. IC Role / Device Role / Timing Role: Shunt regulator maintaining clean supply for communication ICs in electrically noisy environments. Use Value: AEC-Q101 qualification and 500 mW rating allow deployment in extended-temperature industrial enclosures without derating concerns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZX584C6V8 | Same 6.8 V nominal, ±5% tolerance, but in SOD-323 (1.7 × 1.3 mm); 350 mW rating | Larger footprint and lower power limit restrict use in ultra-dense layouts | Select when legacy SOD-323 footprint compatibility is required and 500 mW dissipation is not needed |
| MMSZ5236B | 6.8 V nominal, ±5%, SOD-123 package (3.7 × 1.6 mm); 500 mW rating; no AEC-Q101 qualification | Not qualified for automotive use; larger size limits high-density PCB integration | Choose for cost-sensitive industrial applications where automotive qualification and miniaturization are not mandatory |
Compared with BZX584C6V8 and MMSZ5236B, the MM5Z6V8ST1G delivers superior space efficiency (SOD-523), full automotive qualification, and identical 500 mW rating-making it optimal for next-gen portable and automotive electronics requiring both miniaturization and reliability assurance.
Availability
MM5Z6V8ST1G is available at Aetrix Electronics and suitable for smartphone power management, automotive infotainment protection, and wearable sensor biasing requiring stable component supply across high-volume production cycles.
Supply support for MM5Z6V8ST1G 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 manufacturer specializing in energy-efficient power, analog, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The MM5ZxxxST1G series was designed specifically for space-constrained, high-reliability voltage regulation in portable and automotive electronics-emphasizing tight tolerance, low profile, and robust ESD performance.
FAQ
What is the Zener voltage tolerance of MM5Z6V8ST1G?
The MM5Z6V8ST1G has a guaranteed Zener voltage range of 6.65 V to 6.93 V at 5 mA test current, corresponding to a ±5% tolerance. This tight tolerance is specified per the onsemi datasheet Rev. 15 and enables precise voltage reference design without calibration in production systems using the MM5Z6V8ST1G.
Is MM5Z6V8ST1G qualified for automotive applications?
Yes, the MM5Z6V8ST1G is AEC-Q101 qualified and PPAP capable, as confirmed in the official onsemi datasheet. While the base MM5Z6V8ST1G part is not prefixed "SZ", its manufacturing flow and testing meet AEC-Q101 requirements-making it suitable for automotive infotainment, body control, and ADAS subsystems where the MM5Z6V8ST1G serves as a voltage clamp or reference.
What is the maximum power dissipation of MM5Z6V8ST1G on a standard PCB?
The MM5Z6V8ST1G has a steady-state power rating of 500 mW at 25 °C ambient on an FR-4 board with 1 cm² copper pad. Power must be derated linearly at 4.0 mW/°C above 25 °C, reaching zero dissipation at 150 °C junction temperature. This thermal behavior is defined in the Absolute Maximum Ratings table of the MM5Z6V8ST1G datasheet.
Does MM5Z6V8ST1G have ESD protection built-in?
Yes, the MM5Z6V8ST1G features Class 3 HBM ESD rating (>16 kV), verified per JEDEC JS-001. This intrinsic robustness eliminates the need for external TVS diodes in many handheld and portable designs using the MM5Z6V8ST1G for voltage regulation or clamping, reducing BOM count and board area.
What is the forward voltage drop of MM5Z6V8ST1G at 10 mA?
The forward voltage (VF) of MM5Z6V8ST1G is guaranteed ≤0.9 V at IF = 10 mA, as stated in the Electrical Characteristics table. This low VF supports efficient use of the MM5Z6V8ST1G in dual-role applications such as reverse-polarity protection combined with Zener clamping, especially in battery-powered devices.
MM5Z6V8ST1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Voltage - Zener (Nom) (Vz):
- 6.8 V
- Tolerance:
- ±2%
- Power - Max:
- 500 mW
- Impedance (Max) (Zzt):
- 15 Ohms
- Current - Reverse Leakage @ Vr:
- 2 µA @ 4 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-523
MM5Z6V8ST1G FAQ
1.How can I place an order for MM5Z6V8ST1G through Aetrix?
Please submit a Request for Quotation (RFQ) for MM5Z6V8ST1G 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 MM5Z6V8ST1G reliable?
The price and inventory of MM5Z6V8ST1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MM5Z6V8ST1G is usually 5 days.
3.What payment methods are accepted for MM5Z6V8ST1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MM5Z6V8ST1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MM5Z6V8ST1G?
MM5Z6V8ST1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MM5Z6V8ST1G 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 MM5Z6V8ST1G?
For technical support, including MM5Z6V8ST1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MM5Z6V8ST1G requirements.
6.How does Aetrix verify that MM5Z6V8ST1G is sourced from the original manufacturer or authorized distributors?
All MM5Z6V8ST1G 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 MM5Z6V8ST1G meets industry standards.
7.What is the process for return or replacement of MM5Z6V8ST1G?
All MM5Z6V8ST1G units undergo pre-shipment inspection (PSI). If there is an issue with MM5Z6V8ST1G, 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 MM5Z6V8ST1G part is unused and in its original packaging.
Return procedure for MM5Z6V8ST1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MM5Z6V8ST1G Tags
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