2N6394G

Scrs Overview

The Littelfuse 2N6394G is a surface mount Silicon Controlled Rectifier (SCR) designed for half-wave AC control applications. It features glass-passivated junctions and rugged Thermowatt construction for low thermal resistance and high heat dissipation. The device operates within a junction temperature range of -40°C to +125°C. Key electrical parameters include a peak repetitive off-state voltage of 50V, an on-state RMS current of 12A at 90°C case temperature, and a peak non-repetitive surge current of 100A. The maximum forward average gate power is 0.5W, with a holding current maximum of 50mA.

Scrs Feature Summary

• Glass-passivated junctions ensure parameter uniformity and stability.
• Thermowatt construction provides low thermal resistance and high durability.
• Lead-free package compliant with RoHS directives.

Scrs Applications

• Motor controls
• Heating controls
• Power supplies

Scrs Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and shipping quantity. The 'G' suffix indicates a lead-free package. Confirm that the TO-220AB form factor matches the target PCB layout requirements. Ensure the component meets all environmental compliance standards required for the final assembly process before placing orders.

Scrs Selection Notes

Select this component when a surface mount SCR with a 50V blocking capability is required. Verify that the 12A RMS current rating satisfies the load requirements under the specified case temperature conditions. Consider the 2.0 °C/W thermal resistance for heatsinking calculations. Ensure the gate trigger characteristics align with the driving circuit capabilities.

Scrs Part Context

The 2N6394G belongs to the 2N639x series of surface mount thyristors from Littelfuse. This series offers blocking voltages ranging from 50V to 800V in a compact TO-220AB package. The devices are engineered for robust performance in AC switching applications, utilizing advanced packaging techniques to enhance thermal management and mechanical reliability compared to traditional through-hole alternatives.

Scrs Replacement Considerations

Direct replacements must match the 50V VDRM/VRRM, 12A IT(RMS), and TO-220AB package dimensions. Verify equivalent thermal resistance and gate trigger specifications. Cross-reference JEDEC registration data for pinout compatibility.