1N4148WT-76K is a 1N4148W from Diodes Incorporated, orderable in the SOD523 package. The ordering code fixes the exact configuration you receive — package, grade and packing — so procurement starts with matching this code character-for-character against your BOM, not just the base series name.
Within the same series, also consider: 1N4148W-13-F — package SOD123; Compared with 1N4148W-7-F, same SOD123 outline and 100 V reverse rating; reel quantity or automotive grade differs. This is a standard grade order code with 10,000 units per reel; confirm footprint, qualification and ratings before substitution. · 1N4148W-7-F — package SOD-123 · 1N4148WQ-13-F — package SOD123; Compared with 1N4148W-7-F, same SOD123 outline and 100 V reverse rating; reel quantity or automotive grade differs. This is an AEC-Q101 automotive grade order code with 10,000 units per reel; confirm footprint, qualification and ratings before substitution. · 1N4148WQ-7-F — package SOD123; Compared with 1N4148W-7-F, same SOD123 outline and 100 V reverse rating; reel quantity or automotive grade differs. This is an AEC-Q101 automotive grade order code with 3,000 units per reel; confirm footprint, qualification and ratings before substitution.. These variants share the core design; pick the code whose package and packing match your assembly process and reel requirements. If your BOM lists one of these instead of 1N4148WT-76K, do not substitute without checking the exact ordering code — even one suffix character can change the device you receive.
When you request a quote, include the full ordering code, the target packing format (reel, tube, tray or cut tape), your quantity and any date-code or lot requirements. We reconfirm manufacturer, suffix, package, date code and traceability against the actual offered lot before any commercial quote is issued, and every RFQ gets a reply within 24 hours.