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S8015L56
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Product Detailed Parameters
- Description：SCR 800V 15A TO220
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：30 mA
- Current - Hold (Ih) (Max)：40 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：188A, 225A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-220-3 Isolated Tab, Formed Leads
- Supplier Device Package：TO-220 Isolated Tab
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：9.5 A
- Current - On State (It (RMS)) (Max)：15 A
- Current - Off State (Max)：20 µA
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Overview
The Littelfuse S8015L56 is a silicon bilateral voltage-triggered switch designed for circuit protection. It activates at a gate trigger voltage of 56V to safeguard connected loads from overvoltage conditions. The device supports non-repetitive surge currents of 188A at 50Hz and 225A at 60Hz, ensuring robust handling of transient energy. It operates reliably within a junction temperature range of -40°C to 125°C, providing stable performance in demanding industrial environments requiring precise voltage clamping.
Feature Summary
- Bilateral voltage-triggered switching mechanism for bidirectional current control
- Low off-state leakage current for efficient standby power management
- High surge current capability to withstand transient electrical stress
- Stable operation across extended industrial temperature ranges
Applications
- Overvoltage protection for sensitive electronic circuits
- AC line voltage monitoring and clamping
- Industrial equipment transient suppression
- Motor speed control circuit protection
Procurement Notes
Verify the specific datasheet revision and package marking against the manufacturer's official documentation before procurement. Confirm that the 56V trigger threshold aligns with the target circuit's voltage tolerance. Ensure thermal management strategies account for the specified operating temperature limits during high-surge events to maintain component integrity.
Selection Notes
Select this component when a bilateral, voltage-activated switch is required rather than a standard phase-control SCR. The 56V trigger point suits low-voltage AC protection scenarios. Evaluate the 188A/225A surge ratings against expected fault currents. Consider the planar construction for thermal dissipation requirements in compact mounting configurations.
Part Context
This part belongs to the S8015 series of silicon controlled rectifiers manufactured by Littelfuse Inc. The series includes various voltage and current ratings tailored for different phase control and protection applications. The S8015L56 specifically targets low-voltage triggering needs within the broader family of standard phase control devices.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with Littelfuse's official replacement guide or distributor substitution tools for equivalent bilateral voltage-triggered switches with matching 56V activation thresholds.
