Part Number: 064X501 (No description) Part Number: 064X502 (Vishay/spectrol) Part Number: 064X5025K (Spectrol) Part Number: 064X503 (No description) Part Number: 064X504 (No description) Part Number: 064Y100 (No description) Part Number: 064Y102 (Sp) Part Number: 064Y1020 (No description) Part Number: 064Y1021K (No description) Part Number: 064Y103 (No description) Part Number: 064Y104 (No description) Part Number: 064Y105 (No description) Part Number: 064Y200 (No description) Part Number: 064Y201 (No description)