Manufacturer model / selection entry

1N4148W SOD-123 Switching Diode – Brands & RFQ

1N4148W commonly identifies a surface-mount fast switching diode in SOD-123, but the manufacturer and complete order code still control dimensions, ratings, marking and packing.

Multiple manufacturersfast switching diode familyPublication gate passed

Buyer and engineer answers

What must be established before ordering

Statements below are scoped to the named manufacturer source. Commercial availability is deliberately separate.

Technical answer

Package identity

The reviewed Diodes Incorporated product record identifies its 1N4148W in SOD-123. Use the selected manufacturer drawing for body dimensions and land pattern rather than treating “W” as a universal drawing.

SOD-123 dimensions

Technical answer

Electrical values stay with the brand

Reverse voltage, forward current, forward voltage, capacitance and recovery time must be displayed from one manufacturer-specific record with its test conditions.

VRIFtrrmanufacturer-specific limits

Technical answer

Suffix and packing

Reel, automotive and other suffixes can change qualification or packing. The quotation must state the manufacturer and complete orderable code.

suffix decoding

Publication safeguard

The claim boundary travels with the page.

Never merge electrical maxima across brands. Publish manufacturer-specific exact SKUs beneath this base-model landing page.

Published exact parts11

Evidence-backed families2

Procurement FAQ

Questions this exact page answers

Compatibility answers remain conditional where the source evidence does not establish a direct replacement.

1N4148W vs 1N4148WS?

They are associated with different package families in the reviewed sources; compare the exact manufacturer drawings and electrical tables.

Is W always SOD-123?

Do not rely on the suffix alone across every manufacturer. Confirm the selected brand’s current datasheet and order code.

Can different brands be substituted?

Only after comparing ratings, test conditions, package drawing, land pattern, marking, qualification and packing for both exact SKUs.

Evidence-cleared exact records

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