Silicon Avalanche Diode Three Phase Surge Suppressors
Last Updated: April 1, 2025
Description
Silicon Avalanche Diode Three Phase Surge Suppressors are designed to protect electrical systems from voltage spikes by clamping high voltages to a safe level. They are particularly effective in managing transient overvoltages, ensuring the stability and safety of electrical circuits.
Working Principle
Silicon avalanche diodes operate by utilizing the avalanche breakdown phenomenon. When a voltage spike occurs, the diode allows current to flow through it, effectively clamping the voltage to a predetermined level. This action prevents the excess voltage from damaging sensitive components in the circuit. The diodes are particularly useful due to their fast response time and ability to handle repeated high voltage surges, making them ideal for protecting against transient overvoltages.
Applications
Silicon Avalanche Diode Three Phase Surge Suppressors are commonly used in various applications, including:
- Data-line protection: They are often employed in data-line protectors to safeguard communication lines from voltage spikes.
- Circuit board protection: These diodes are used on circuit boards as static protectors, ensuring the integrity of electronic components.
- Telecom systems: Silicon thyristor diodes, a variant, are used to protect telecom systems from voltage surges.
Advantages over other Three Phase Surge Suppressors
Silicon avalanche diodes offer several advantages over other types of surge suppressors:
- Lower Switching Voltage: The switching voltage of silicon avalanche diodes is lower than that of gas discharge tubes (GDTs), allowing for more precise voltage clamping.
- Lower On-State Voltage: Compared to metal oxide varistors (MOVs) and transient voltage suppressor (TVS) diodes, silicon avalanche diodes have a lower on-state voltage, which reduces power loss during operation.
Limitations
Despite their advantages, silicon avalanche diodes have some limitations:
- Limited Power-Handling Capacity: They have a limited power-handling capacity and can be easily destroyed by the power levels encountered in typical power-line surges.
- High Clamping Voltage: These diodes have high clamping voltages, which may not be suitable for all applications.
Considerations
When considering the use of Silicon Avalanche Diode Three Phase Surge Suppressors, several factors should be taken into account:
- Initial Costs: The initial cost of these diodes can vary depending on the specific requirements of the application.
- Operating Expense: Due to their limited power-handling capacity, frequent replacements may be necessary, potentially increasing operating expenses.
- Durability: While they are effective for transient overvoltage protection, their limited power-handling capacity may affect their durability in high-power applications.
- Replacement and Maintenance Costs: Regular maintenance and potential replacements should be factored into the overall cost of using these diodes in a system.
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-799 from Transtector is a panel style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 277/480 Vac 3-Phase Wye electrical service. This surge protector provides effective protection... [See More]
- Technology: Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: Wall/Panel
- Operating Temp: -40 to 185
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-800 from Transtector is a panel style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 277/480 Vac 3-Phase Wye electrical service. This surge protector provides effective protection... [See More]
- Technology: Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: Wall/Panel
- Operating Temp: -40 to 185
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-809-M-MM-1 from Transtector is a UL1449 4th Ed. panel style SPD that utilizes state of the art MOV technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical service. This surge protector provides... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 160000
- Mounting: Wall/Panel
- Operating Temp: -40 to 167
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-809-1 from Transtector is a UL1449 4th Ed. panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical service. This surge protector provides... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 160000
- Mounting: Wall/Panel
- Operating Temp: -40 to 167
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-809-M-1 from Transtector is a UL1449 4th Ed. panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical ser-vice. This surge protector... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 160000
- Mounting: Wall/Panel
- Operating Temp: -40 to 167
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-464 from Transtector is a UL1449 4th Ed. panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical service. This surge protector provides... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 30000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-719 from Transtector is a UL 94-5V panel style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 127/220 Vac 3-Phase Wye electrical service. This surge pro-tector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-439-43 from Transtector is a UL1449 4th Ed. panel style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical service. This surge protector provides... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-440-44 from Transtector is a UL 94-5V panel style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 240 Vac 3-Phase Delta electrical service. This surge pro-tector provides effective... [See More]
- Technology: Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-451 from Transtector is a UL 94-5V panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 240 Vac 3-Phase Delta electrical service. This surge pro-tector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 30000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-446-43 from Transtector is a UL 94-5V panel style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 240/415 Vac 3-Phase Wye electrical service. This surge protector provides effective... [See More]
- Technology: Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-494 from Transtector is a UL 94-5V panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 240/415 Vac 3-Phase Wye electrical service. This surge protector provides... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 30000
- Mounting: Wall/Panel
- Operating Temp: -22 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1102-014-40 from Transtector is a DIN-Rail style SPD that utilizes state of the art MOV technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical service. This surge protector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 40000
- Mounting: DIN Rail
- Operating Temp: -40 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1104-15-106 from Transtector is a DIN-Rail style SPD that utilizes state of the art MOV / GDT technology to protect critical equipment that operates on a 230/400 Vac 3-Phase Wye electrical service. This surge protector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode; Gas Tubes
- Surge Current: 150000
- Mounting: DIN Rail
- Operating Temp: -40 to 158
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1102-014-41 from Transtector is a DIN-Rail style SPD that utilizes state of the art MOV technology to protect critical equipment that operates on a 240 Vac 3-Phase Delta electrical service. This surge protector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 40000
- Mounting: DIN Rail
- Operating Temp: -40 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-525-3100 from Transtector is a DIN-Rail style SPD that utilizes state of the art SASD technology to protect critical equipment that operates on a 240/415 Vac 3-Phase Wye electrical service. This surge pro-tector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 10000
- Mounting: DIN Rail
- Operating Temp: -4 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1102-014-26 from Transtector is an IEC61643-11 Class II DIN-Rail style SPD that utilizes state of the art MOV technology to protect critical equipment that operates on a 480 Vac 3-Phase Delta electrical service. This surge protector... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 40000
- Mounting: DIN Rail
- Operating Temp: -40 to 149
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-738 from Transtector is a panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 120/208 Vac 3-Phase Wye electrical service. This surge protector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 100000
- Mounting: Wall/Panel
- Operating Temp: -40 to 167
from Transtector Systems, Inc.
AC surge protector (also known as SPD or lightning protector) 1101-901 from Transtector is a panel style SPD that utilizes state of the art SASD/MOV technology to protect critical equipment that operates on a 240/415 Vac 3-Phase Wye electrical service. This surge protector provides effective... [See More]
- Technology: Metal Oxide Varistor; Silicon Avalanche Diode
- Surge Current: 120000
- Mounting: Wall/Panel
- Operating Temp: -40 to 176