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onsemi Zener Diode Single 3W 5% Surface Mount 2-Pin DO-214AA 39V 1SMB5939BT3G
Specifications
| Country of Origin | India |
|---|---|
| Brand | onsemi |
| Height | 2.47mm |
| Length | 5.6mm |
| Model | 1SMB5939BT3G |
| Mount Type | Surface |
| 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 | 9.6mA |
| Maximum Reverse Leakage Current | 1μA |
| Nominal Zener Voltage Vz | 39V |
| Zener Type | Voltage Regulator |
| Maximum Zener Impedance | 45Ω |
Key Features
- This diode is designed for voltage regulation in electronic circuits.
- Surface mount package enables efficient PCB assembly.
- Maximum power dissipation is 3 watts for stable operation.
- Pin count of 2 allows easy integration into various applications.
- Operating temperature range from -65°C to 150°C supports harsh environments.
- Test current of 9.6 mA ensures accurate zener voltage performance.
- Suitable for automotive use with AEC-Q101 compliance.
- Matches RoHS standards for environmental safety.
Product Description
onsemi 1SMB5939BT3G is a high-quality Zener diode configured as a single element designed for voltage regulation in industrial and automotive electronic circuits. It features a nominal zener voltage of 39 V and is designed to handle a maximum power dissipation of 3 W. The diode is housed in a compact DO-214AA surface mount package with two pins, allowing for efficient assembly on printed circuit boards.
This zener diode offers a voltage tolerance of ±5% and a maximum zener impedance of 45 Ω, ensuring precise voltage regulation to protect sensitive components. With a reverse leakage current capped at 1 μA, it maintains low power loss and high efficiency in circuit protection roles.
Operating within a wide temperature range of -65°C to 150°C, the 1SMB5939BT3G is suitable for both commercial electronics and harsh automotive environments. Its automotive standard compliance with AEC-Q101 and RoHS certification confirms its reliability and environmental friendliness.
This diode is designed for voltage regulation in electronic circuits. Surface mount package enables efficient PCB assembly. Maximum power dissipation of 3 W ensures stable operation. Pin count of 2 allows flexible circuit integration.
Wide operating temperature range for diverse use cases. Test current of 9.6 mA maintains voltage stability. Meets automotive AEC-Q101 standard for dependable performance. RoHS compliant, supporting eco-friendly electronic assemblies.
This Zener diode is widely used in industrial electronics, automotive systems, power supplies, and other semiconductor based applications requiring precise voltage regulation and protection. Its robust construction and compact size make it ideal for modern PCB designs.
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Frequently Asked Questions
The nominal zener voltage of the 1SMB5939BT3G is 39 V.
This diode has a maximum power dissipation of 3 W, ensuring stable operation.
The operating temperature range for this diode is from -65°C to 150°C.
It is housed in a DO-214AA surface mount package, which allows for efficient PCB assembly.
The test current for this diode is 9.6 mA, which helps maintain voltage stability.
The maximum reverse leakage current is capped at 1 μA, ensuring low power loss.
This model complies with the AEC-Q101 automotive standard, confirming its reliability for automotive applications.
The dimensions of this diode are 5.6 mm in length and 2.47 mm in height.
The maximum zener impedance is 45 Ω, which ensures precise voltage regulation.
Yes, the 1SMB5939BT3G meets RoHS standards for environmental safety.
This diode has a pin count of 2, allowing for easy integration into various applications.
The 1SMB5939BT3G is manufactured in India.
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