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S5025R
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Product Detailed Parameters
- Description：SCR 500V 25A TO220
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：500 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：300A, 350A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220 Non-Isolated Tab
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：16 A
- Current - On State (It (RMS)) (Max)：25 A
- Current - Off State (Max)：10 µA
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Overview
The S5025R is a standard phase control silicon controlled rectifier (SCR) from Littelfuse, rated for 500V repetitive peak reverse voltage and 25A average on-state current. It utilizes a TO-220 Non-Isolated Tab package suitable for through-hole mounting. Designed as part of the Low Power SCR series up to 1200V, this component offers reliable switching capabilities with low gate trigger requirements.
Feature Summary
- Unidirectional switching capability optimized for phase control applications
- Low gate trigger sensitivity requiring minimal current at low potentials
- Robust construction in a standard through-hole package for thermal management
Applications
- Heating element control systems
- Motor speed regulation circuits
- General purpose phase control devices
Procurement Notes
Verify the specific ordering suffix against official Littelfuse documentation to ensure correct pinout and isolation characteristics. Confirm RoHS compliance status and lead-free specifications directly with the manufacturer or authorized distributor before procurement to match project environmental requirements.
Selection Notes
Select this component for applications requiring moderate voltage blocking and high current handling in phase control topologies. Ensure the thermal design accommodates the non-isolated tab configuration. Validate that the gate trigger current requirements align with the driving circuit's output capabilities for reliable turn-on.
Part Context
This device belongs to the Littelfuse Low Power SCR series, which covers ratings up to 1200V. The S5025R specifically addresses the 500V segment, providing a balance between power handling and ease of integration in industrial control environments where standard phase control performance is required.
Replacement Considerations
Cross-reference with other 500V 25A SCRs in TO-220 packages from Littelfuse, such as the S4025R51, noting differences in voltage ratings and package variations. Verify functional compatibility regarding gate characteristics and thermal resistance before substitution.
