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onsemi Zener Diode 3W, 68 V Voltage Regulator Surface Mount 2-Pin DO-214AA 1SMB5945BT3G
Specifications
| Country of Origin | India |
|---|---|
| Brand | onsemi |
| Height | 2.47mm |
| Length | 5.6mm |
| Model | 1SMB5945BT3G |
| Mount Type | Surface |
| Series | 1SMB59 |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214AA |
| Minimum Operating Temperature | -65°C |
| Standards/Approvals | RoHS |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 3W |
| Diode Configuration | Single |
| Test Current It | 5.5mA |
| Maximum Reverse Leakage Current | 1μA |
| Nominal Zener Voltage Vz | 68V |
| Zener Type | Voltage Regulator |
| Maximum Zener Impedance | 120Ω |
Key Features
- This diode has a maximum power dissipation of 3 watts, suitable for moderate power regulation tasks.
- It features a nominal Zener voltage of 68 volts with a voltage tolerance of ±5% for stable voltage regulation.
- The device includes low maximum reverse leakage current of 1 microampere ensuring efficiency.
- The maximum operating temperature is rated up to 150°C, supporting industrial applications.
- Complies with RoHS standards and meets automotive quality standard AEC-Q101.
- The diode has a test current of 5.5 mA and maximum Zener impedance of 120 ohms.
- The compact size is characterized by length 5.6 mm and height 2.47 mm.
- The surface mount design simplifies automated PCB assembly and improves production efficiency.
Product Description
onsemi 1SMB5945BT3G is a high-reliability Zener Diode designed for voltage regulation applications requiring precise voltage control at 68 V with ±5% tolerance. This discrete semiconductor component is configured as a single diode, featuring a surface mount DO-214AA package with 2 pins, making it compatible for automated PCB assembly processes.
With a maximum power dissipation of 3 watts, it is suitable for moderate power applications in electronic circuits including industrial control, automotive electronics, and power management systems. The diode exhibits a low maximum reverse leakage current of just 1 μA and a maximum Zener impedance of 120 Ω at a test current of 5.5 mA, ensuring stable voltage regulation performance.
Its operating temperature range from -65°C to 150°C allows usage in harsh industrial and automotive environments, backed by compliance with the AEC-Q101 automotive standard and RoHS directive for hazardous substance reduction.
Physically, the diode measures 5.6 mm in length and 2.47 mm in height, enabling compact electronic device designs. Surface mounting reduces manufacturing costs and enhances assembly speed.
This Zener diode is optimized for use as a voltage regulator in industrial, automotive, and electronic manufacturing applications. Its 1SMB59 series ensures consistency and compatibility with industry-standard footprints and ratings.
The robust construction and wide temperature rating cater to demanding environments and applications. RoHS compliance guarantees environmentally safe manufacturing and disposal. Supplied in reel packaging, it facilitates automated assembly in high-volume production lines.
onsemi quality assurance supports long-term reliability in commercially critical circuits. Explore EnvMart's Electronics & Electricals category for a diverse range of semiconductor diodes and voltage regulators for various industrial and commercial uses.
Explore more products in our Zener Diodes category.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 68 volts, with a voltage tolerance of ±5%.
This model has a maximum power dissipation of 3 watts, making it suitable for moderate power regulation tasks.
The maximum operating temperature for this diode is rated up to 150°C, allowing it to function in harsh environments.
The diode measures 5.6 mm in length and 2.47 mm in height, suitable for compact electronic designs.
The maximum reverse leakage current is 1 microampere, ensuring efficient performance.
This diode complies with the AEC-Q101 automotive standard, ensuring it meets rigorous automotive quality requirements.
The test current for this model is 5.5 mA, which is relevant for its Zener impedance specifications.
The maximum Zener impedance is 120 ohms at the specified test current.
It complies with RoHS standards, which regulate hazardous substances in electronic products.
The surface mount design simplifies automated PCB assembly and improves production efficiency, making it suitable for high-volume manufacturing.
The minimum operating temperature is -65°C, allowing it to operate in extremely low-temperature environments.
This diode has a pin count of 2, which is typical for its surface mount configuration.
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