1SS390T9TE61

Overview

The 1SS390T9TE61 is a band switching diode manufactured by Rohm Semiconductor, utilizing silicon epitaxial planar construction. It features an EMD2 package (SOD-523) with dimensions of 1.6x0.8mm. Key electrical parameters include a maximum DC reverse voltage of 35V and a forward current rating of 100mA. The junction temperature limit is 125°C. Electrical characteristics specify a typical forward voltage of 1.0V at 10mA, a reverse current of 10nA at 25V, and a terminal capacitance of 1.2pF at 6V reverse bias and 1MHz frequency. The forward operating resistance is typically 0.9Ω at 2mA forward current and 100MHz.

Feature Summary

• Extremely small surface mounting type suitable for compact designs.
• High reliability construction using silicon epitaxial planar technology.

Applications

• High frequency switching circuits
• Audio visual equipment
• Office automation equipment
• Communications devices

Procurement Notes

Verify the specific ordering suffix T9TE61 against official Rohm documentation to confirm exact packaging and lot traceability requirements. Ensure that the component meets the intended application's environmental standards, as it is designed for ordinary electronic equipment rather than high-reliability safety-critical systems without prior consultation.

Selection Notes

Select this component for applications requiring low capacitance and fast switching in high-frequency environments. The SOD-523 package is appropriate for space-constrained PCB layouts. Verify that the 35V reverse voltage and 100mA forward current ratings align with the circuit's operational limits and thermal management capabilities.

Part Context

This part belongs to Rohm's band switching diode lineup, designed for general-purpose high-frequency applications. It serves as a standard discrete semiconductor solution for signal routing and switching tasks in consumer electronics and office automation hardware.

Replacement Considerations

Consult the manufacturer's datasheet for direct pin-compatible alternatives or similar specification replacements if this specific ordering code becomes unavailable.

FAQ

What is the typical capacitance value of the 1SS390?

The typical capacitance between terminals is 1.2 pF when measured at a reverse voltage of 6V and a frequency of 1 MHz.

What is the maximum junction temperature for this diode?

The maximum junction temperature (Tj) is rated at 125°C under standard conditions.

Is this device suitable for aerospace or nuclear applications?

No, it is designed for ordinary electronic equipment. Use in transportation, aerospace, or nuclear-reactor controllers requires prior consultation with the sales representative due to high reliability demands.