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onsemi 1.19 V Zener Diode, Single 500 mW Power Dissipation, 5% Tolerance, 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
- Single diode configuration suitable for precise voltage regulation applications.
- Nominal Zener voltage of 19 V with ±5% tolerance for accurate voltage control.
- Maximum power dissipation of 500 mW ensures reliable operation under moderate loads.
- Compact SOD-123 surface mount package with 2 pins optimized for PCB mounting.
- Operating temperature range from -55°C to 150°C for harsh environment suitability.
- Test current of 6.6 mA providing standard test conditions for Zener voltage.
- Maximum Zener impedance of 23 Ω supports stable voltage regulation.
- Maximum reverse leakage current of 100 nA ensures minimal leakage under reverse bias.
Product Description
onsemi MMSZ5249BT1G is a single Zener diode designed for voltage regulation, featuring a nominal Zener voltage of 19 V and a power dissipation rating of 500 mW. It is housed in a compact, surface mount SOD-123 package with two pins, allowing easy PCB integration and efficient space utilization.
The diode configuration is a single element per chip, making it ideal for applications where precise voltage regulation is critical, such as power supplies, voltage reference circuits, and overvoltage protection in industrial and electronic systems.
This device operates reliably over a temperature range of -55°C to 150°C, ensuring suitability for demanding environments including industrial, automotive, and commercial electronic manufacturing applications. With a Zener voltage tolerance of ±5%, the diode maintains accuracy within specified limits under typical operating conditions.
The maximum Zener impedance of 23 Ω contributes to stable voltage regulation performance, while the maximum reverse leakage current of 100 nA minimizes unwanted current flow when the diode is reverse biased, enhancing circuit efficiency.
The package dimensions include a height of 1.35 mm and a length of 3.86 mm, making it suitable for compact, high-density circuit boards. The device fully complies with RoHS standards, reflecting environmental and safety compliance.
Single diode configuration suitable for precise voltage regulation applications. Nominal Zener voltage of 19 V with ±5% tolerance for accurate voltage control. Maximum power dissipation of 500 mW ensures reliable operation under moderate loads.
Compact SOD-123 surface mount package with 2 pins optimized for PCB mounting. Operating temperature range from -55°C to 150°C for harsh environment suitability. Test current of 6.6 mA providing standard test conditions for Zener voltage.
Maximum Zener impedance of 23 Ω supports stable voltage regulation. Maximum reverse leakage current of 100 nA ensures minimal leakage under reverse bias. This zener diode is widely used in industrial, electronic component manufacturing, and commercial applications requiring stable voltage regulation and protection.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 19 V with a tolerance of ±5%.
This model has a maximum power dissipation rating of 500 mW, ensuring reliable operation under moderate 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 configuration contains a single element per chip, making it suitable for precise voltage regulation applications.
The maximum Zener impedance is 23 Ω, which supports stable voltage regulation performance.
The test current for this model is 6.6 mA, providing standard test conditions for Zener voltage.
This diode uses a surface mount configuration, optimized for PCB mounting with its SOD-123 package.
Yes, this diode fully complies with RoHS standards, reflecting environmental and safety compliance.
This Zener diode is suitable for applications requiring precise voltage regulation, such as power supplies and voltage reference circuits.
The country of origin for this Zener diode is India.
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