BAV70-E3-18

Overview

The BAV70-E3-18 is a small signal switching diode manufactured by Vishay Semiconductors. It features a dual common cathode configuration housed in an SOT-23 surface-mount package. The device has a peak reverse voltage of 70 V and a continuous forward current rating of 350 mA. Electrical characteristics include a maximum reverse current of 100 nA at 70 V, a typical capacitance of 1.5 pF at 0 V, and a reverse recovery time of 6 ns. Power dissipation reaches 270 mW on an FR-4 board and 390 mW with an infinite heatsink. Operating temperature ranges from -55 °C to +150 °C.

Feature Summary

• Fast switching dual diode with common cathode architecture
• Silicon epitaxial planar construction
• Molding compound meets UL 94 V-0 flammability rating

Applications

• General purpose high-speed switching circuits
• Logic level shifting applications
• Protection against transient voltages in low-power systems

Procurement Notes

Verify the specific ordering suffix to confirm packaging format. The -18 suffix indicates units are supplied on a 13-inch reel containing 10,000 units per box. Confirm RoHS compliance status for commercial grade requirements. Ensure the component matches the required AEC-Q101 qualification if automotive standards apply, as this specific variant is not listed as qualified.

Selection Notes

Select this component when a compact dual diode solution is required for fast switching operations. The SOT-23 package provides space efficiency for dense PCB layouts. Consider the 70 V reverse voltage limit and 350 mA forward current capability during circuit design. Verify thermal management needs based on the specified power dissipation ratings under expected operating conditions.

Part Context

This part belongs to the BAV70 series of small signal switching diodes produced by Vishay Semiconductors. The series offers dual configurations suitable for various logic and switching applications. The E3 designation signifies lead-free and RoHS-compliant manufacturing processes for commercial grade products.

Replacement Considerations

BAV70-E3-08

FAQ

Is the BAV70-E3-18 qualified for automotive applications?

No, the datasheet specifies that the base P/N-E3 variants are commercial grade. Automotive qualification (AEC-Q101) is available only for the HE3_A versions.

What is the typical capacitance of the BAV70-E3-18?

The typical diode capacitance is 1.5 pF when measured at 0 V reverse bias and 1 MHz frequency.

What is the reverse recovery time for this diode?

The typical reverse recovery time is 6 ns, measured with a forward current of 10 mA transitioning to a reverse current of 1 mA.