LightKey NFD-40011ES-11 Segment Digit LED Display Wlg D40011I/J | eBay
SC 08-11 RT: 7-segment display, red, 20.3 mm, common cathode at reichelt elektronik
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Amazon.com: uxcell Common Cathode 11 Pin 3 Bit 7 Segment Display 0.89 x 0.55 x 0.28 Inch 0.35" Red LED Display Digital Tube 5pcs : Industrial & Scientific