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onsemi 1.19 V Zener Diode Single 500 mW 5% Surface Mount 2-Pin SOD-123 MMSZ5249BT1G
Specifications
| Country of Origin | India |
|---|---|
| Brand | onsemi |
| Height | 1.35mm |
| Length | 3.86mm |
| Model | MMSZ5249BT1G |
| Mount Type | Surface |
| Maximum Operating Temperature | 150°C |
| Package Type | SOD-123 |
| Minimum Operating Temperature | -55°C |
| Standards/Approvals | RoHS |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Maximum Power Dissipation Pd | 500mW |
| Diode Configuration | Single |
| Test Current It | 6.6mA |
| Maximum Reverse Leakage Current | 100nA |
| Nominal Zener Voltage Vz | 19V |
| Zener Type | Voltage Regulator |
| Maximum Zener Impedance | 23Ω |
| Surface Mount case | SOD-123 |
Key Features
- This surface mount Zener diode features a nominal Zener voltage of 19 volts and a voltage tolerance of 5 percent.
- The package type is SOD-123 with 2 pins suitable for compact PCB designs.
- Maximum power dissipation is rated at 500 mW ensuring reliable voltage regulation.
- The diode operates within a temperature range of -55°C to 150°C for industrial applications.
- It has a maximum reverse leakage current of 100 nA ensuring low leakage in circuits.
- The test current is 6.6 mA with a maximum Zener impedance of 23 ohms.
- The diode conforms to RoHS standards, assuring environmentally compliant manufacturing.
- This device is a voltage regulator type Zener diode with a single element per chip.
Product Description
onsemi MMSZ5249BT1G is a precision Zener diode designed for voltage regulation and protection in electronic circuits. This single configuration diode offers a nominal Zener voltage of 19 V with a 5% tolerance, suitable for stable voltage reference applications.
The diode is housed in a compact surface mount SOD-123 package with 2 pins, making it ideal for modern PCB assembly where space efficiency is paramount. Its maximum power dissipation rating of 500 mW enables it to maintain voltage regulation during moderate power loads.
Operating temperature ranges from -55°C to 150°C allow deployment in a variety of industrial, commercial, and electronic designs including power supplies, signal conditioning, and voltage stabilization circuits. The device exhibits a maximum reverse leakage current of just 100 nA, supporting low leakage performance to improve efficiency.
The diode is tested at a current of 6.6 mA with a maximum Zener impedance of 23 ohms, ensuring reliable operation and minimal voltage variation under load. The height and length of the diode case are 1.35 mm and 3.86 mm respectively, supporting compact integration.
This ON Semiconductor component complies with RoHS environmental standards and is not rated for automotive-specific standards. Typical applications include industrial equipment, laboratory instruments, power supplies, and electronic control circuits where precise voltage regulation is required.
This Zener diode supports stable voltage regulation with low power dissipation. The surface mount SOD-123 packaging facilitates automated assembly for production efficiency. Wide operating temperature range suits harsh industrial environments.
Low leakage current enhances circuit efficiency and reliability. Compact form factor allows use in space-constrained electronic devices. RoHS compliance ensures environmentally responsible usage. For reliable supply chain sourcing and detailed datasheets, browse the Electronics & Electricals > Discrete Semiconductors > Zener Diodes section on EnvMart.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 19 volts with a tolerance of 5%.
The maximum power dissipation rating is 500 mW, allowing for reliable voltage regulation under moderate power loads.
The SOD-123 package has a height of 1.35 mm and a length of 3.86 mm, making it suitable for compact PCB designs.
This diode operates within a temperature range of -55°C to 150°C, suitable for various industrial applications.
The maximum Zener impedance is 23 ohms, ensuring reliable operation with minimal voltage variation under load.
This diode features a single element per chip, designed for voltage regulation applications.
The test current for this Zener diode is 6.6 mA, which is used to evaluate its performance characteristics.
Yes, this diode conforms to RoHS standards, ensuring environmentally compliant manufacturing.
This model uses surface mount technology, specifically in the SOD-123 package, facilitating automated assembly.
Typical applications include industrial equipment, laboratory instruments, power supplies, and electronic control circuits requiring precise voltage regulation.
The country of origin for this Zener diode is India.
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