| Part Number | Unformatted # | Alt. Part Number | Manufacturer |
|---|---|---|---|
| 3UF52021AA001 | 3UF52021AA001 | 3UF52021AA001 | SIEMENS |
| 3UF59000AA00 | 3UF59000AA00 | 3UF59000AA00 | SIEMENS |
| 4001K-2 | 4001K2 | 4001K-2 | FUJITSU |
| 400IK-2 | 400IK2 | 400IK-2 | FUJITSU |
| 4104P1 | 4104P1 | 4104P1 | MOTOROLA |
| 421207 | 421207 | 421207 | PRX |
| 48HD24-300/003 | 48HD24300003 | 48HD24-300/003 | FUJI |
| 48S15 700TC | 48S15700TC | 48S15 700TC | FUJI |
| 4A | 4A | 4A | MITSUBIS |
| 4DI30A-030 | 4DI30A030 | 4DI30A-030 | PRX |
| 4MBI100T-060 | 4MBI100T060 | 4MBI100T-060 | FUJI |
| 4MBI150T-060 | 4MBI150T060 | 4MBI150T-060 | FUJI |
| 4MBI200T-060 | 4MBI200T060 | 4MBI200T-060 | FUJI |
| 4MBI75T-060 | 4MBI75T060 | 4MBI75T-060 | FUJI |
| 4MBP100RHA-060 | 4MBP100RHA060 | 4MBP100RHA-060 | FUJI |
| 4MBP100SHA-060 | 4MBP100SHA060 | 4MBP100SHA-060 | FUJI |
| 4MBP75RHA060 | 4MBP75RHA060 | 4MBP75RHA060 | FUJI |
| 4MBP75SHA-060 | 4MBP75SHA060 | 4MBP75SHA-060 | FUJI |
| 4R3TI20Y-080 | 4R3TI20Y080 | 4R3TI20Y-080 | FUJI |
| 4R3TI30Y-080 | 4R3TI30Y080 | 4R3TI30Y-080 | FUJI |
| 4R3TI60Y-080 | 4R3TI60Y080 | 4R3TI60Y-080 | FUJI |
| 50L6P43 | 50L6P43 | 50L6P43 | TOSHIBA |
| 50QH2G41 | 50QH2G41 | 50QH2G41 | TOSHIBA |
| 50VH2G4 | 50VH2G4 | 50VH2G4 | MITSUBISHI |
| 50VH2G41 | 50VH2G41 | 50VH2G41 | TOSHIBA |
| 5125P2 | 5125P2 | 5125P2 | MOTOROLA |
| 51MT100K | 51MT100K | 51MT100K | IR |
| 51MT100KB | 51MT100KB | 51MT100KB | IR |
| 51MT120K | 51MT120K | 51MT120K | IR |
| 51MT120KB | 51MT120KB | 51MT120KB | IR |
| 51MT140K | 51MT140K | 51MT140K | IR |
| 51MT140KB | 51MT140KB | 51MT140KB | IR |
| 51MT160K | 51MT160K | 51MT160K | IR |
| 51MT160KB | 51MT160KB | 51MT160KB | IR |
| 51MT80K | 51MT80K | 51MT80K | IR |
| 51MT80KB | 51MT80KB | 51MT80KB | IR |
| 52031-A | 52031A | 52031-A | MICROPAC |
| 52034-A | 52034A | 52034-A | MICROPAC |
| 52MT100K | 52MT100K | 52MT100K | IR |
| 52MT100KB | 52MT100KB | 52MT100KB | IR |
| 52MT120K | 52MT120K | 52MT120K | IR |
| 52MT120KB | 52MT120KB | 52MT120KB | IR |
| 52MT140K | 52MT140K | 52MT140K | IR |
| 52MT140KB | 52MT140KB | 52MT140KB | IR |
| 52MT160K | 52MT160K | 52MT160K | IR |
| 52MT160KB | 52MT160KB | 52MT160KB | IR |
| 52MT80K | 52MT80K | 52MT80K | IR |
| 52MT80KB | 52MT80KB | 52MT80KB | IR |
| 5359-4F | 53594F | 5359-4F | FUJITSU |
| 53MT100K | 53MT100K | 53MT100K | IR |