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onsemi 5.1 V 500 mW Surface Mount Zener Diode Single 2-Pin DO-214AC 1SMA5918BT3G
Specifications
| Country of Origin | India |
|---|---|
| Brand | onsemi |
| Height | 2.2mm |
| Length | 5.59mm |
| Model | 1SMA5918BT3G |
| Mount Type | Surface |
| Maximum Operating Temperature | 150°C |
| Package Type | DO-214AC |
| 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 | 500mW |
| Diode Configuration | Single |
| Test Current It | 73.5mA |
| Maximum Reverse Leakage Current | 2.5μA |
| Nominal Zener Voltage Vz | 5.1V |
| Zener Type | Voltage Regulator |
| Maximum Zener Impedance | 4Ω |
Key Features
- Features a nominal Zener voltage of 5.1 volts with ±5% tolerance.
- Maximum power dissipation rating of 500 milliwatts ensures reliable performance.
- Compact DO-214AC 2-pin surface mount package ideal for space-constrained circuit boards.
- Maximum reverse leakage current of 2.5 microamperes minimizes unwanted current flow.
- Operates over a wide temperature range from -65°C to 150°C.
- Maximum Zener impedance is 4 ohms supporting stable voltage regulation.
- Test current of 73.5 mA used to characterize voltage regulation behavior.
- Meets RoHS compliance and conforms to automotive grade AEC-Q101 standards.
Product Description
The onsemi 1SMA5918BT3G is a high-quality Zener diode designed for effective voltage regulation in electronic circuits. It features a nominal Zener voltage of 5.1 V with a tolerance of ±5%, making it ideal for maintaining stable voltage levels in sensitive electronic components.
This single diode is housed in a compact DO-214AC 2-pin surface mount package that is suitable for automated PCB assembly and space-constrained designs. The diode can dissipate up to 500 mW of power, ensuring durability under typical operating conditions.
It operates reliably across a broad temperature range from -65°C to 150°C, making it suitable for industrial, automotive, and consumer electronics applications where temperature variations are expected. The maximum reverse leakage current is limited to 2.5 µA, helping to reduce power loss and improve circuit efficiency.
Performance characteristics include a test current of 73.5 mA and a maximum Zener impedance of 4 ohms, supporting precise voltage stabilization. The physical dimensions of this diode are 5.59 mm in length and 2.2 mm in height.
The 1SMA5918BT3G complies with RoHS standards and meets the automotive qualification standard AEC-Q101, ensuring it is suitable for automotive electronics requiring higher reliability and safety.
Nominal Zener voltage: 5.1 V ±5% tolerance. Maximum power dissipation: 500 mW. Surface mount DO-214AC package with 2 pins. Maximum reverse leakage current of 2.5 µA. Operating temperature range from -65°C to 150°C. Maximum Zener impedance of 4 Ω.
Test current of 73.5 mA for voltage regulation. RoHS compliant and automotive grade AEC-Q101 certified. Package dimensions: length 5.59 mm, height 2.2 mm.
This Zener diode is widely used in power regulation, protection circuits, and automotive electronic systems where precise voltage control is critical. Its compact footprint and high reliability make it a preferred choice for engineers designing robust electronic assemblies.
Explore more onsemi semiconductor components and Zener diode options at EnvMart for your industrial and commercial needs.
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Frequently Asked Questions
The nominal Zener voltage of this diode is 5.1 V with a tolerance of ±5%.
This model has a maximum power dissipation rating of 500 mW.
The maximum reverse leakage current for this diode is 2.5 µA.
It operates over a wide temperature range from -65°C to 150°C.
The physical dimensions of the package are 5.59 mm in length and 2.2 mm in height.
This diode is housed in a compact DO-214AC 2-pin surface mount package.
The maximum Zener impedance is 4 ohms.
A test current of 73.5 mA is used to characterize the voltage regulation behavior.
This model meets the automotive qualification standard AEC-Q101.
Yes, this diode complies with RoHS standards.
The diode configuration is single, meaning it consists of one element per chip.
This Zener diode is widely used in power regulation, protection circuits, and automotive electronic systems where precise voltage control is critical.
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