| 666841 | HEDS-9740 | HEDS-9740#150 · Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666842 | HEDS-9740-150 | Agilent HEDS-974x Series for 180, 300, 360 LPI Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666843 | HEDS-9740-250 | Agilent HEDS-974x Series for 180, 300, 360 LPI Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666844 | HEDS-9740-Q50 | Agilent HEDS-974x Series for 180, 300, 360 LPI Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666845 | HEDS-9741 | HEDS-9741#250 · Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666846 | HEDS-9741-250 | Agilent HEDS-974x Series for 180, 300, 360 LPI Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666847 | HEDS-9780 | HEDS-9780#A50 · Small Optical Encoder Modules | Agilent (Hewlett-Packard) |
| 666848 | HEDS5540 | Quick Assembly Two and Three Channel Optical Encoders | Agilent (Hewlett-Packard) |
| 666849 | HEDS9000 | 2 CHANNEL ENCODER MODULE | Agilent (Hewlett-Packard) |
| 666850 | HEDS9200 | 2 CHANNEL ENCODER MODULE | Agilent (Hewlett-Packard) |
| 666851 | HEDS9700 | 2 CHANNEL ENCODER MODULE | Agilent (Hewlett-Packard) |
| 666852 | HEDT-9001 | HEDT-9001#A00 · High Temperature 125 degrees C Two Channel Optical Incremental Encoder Modules | Agilent (Hewlett-Packard) |
| 666853 | HEDT-9100 | HEDT-9100#A00 · High Temperature 125 degrees C Two Channel Optical Incremental Encoder Modules | Agilent (Hewlett-Packard) |
| 666854 | HEDT-9101 | HEDT-9101#A00 · High Temperature 125 degrees C Two Channel Optical Incremental Encoder Modules | Agilent (Hewlett-Packard) |
| 666855 | HEDT-9140 | HEDT-9140#I00 · High Temperature 140 degrees C Three Channel Optical Incremental Encoder Modules | Agilent (Hewlett-Packard) |
| 666856 | HEDT-9141 | HEDT-9141#I00 · High Temperature 140 degrees C Three Channel Optical Incremental Encoder Modules | Agilent (Hewlett-Packard) |
| 666857 | HEEA5 | SLOTTED OPTICAL SWITCH | Fairchild Semiconductor |
| 666858 | HEEA6 | SLOTTED OPTICAL SWITCH | Fairchild Semiconductor |
| 666859 | HEF4000B | Dual 3-input NOR gate and inverter | Philips |
|
| 666860 | HEF4000BD | Dual 3-input NOR gate and inverter | Philips |
| 666861 | HEF4000BDB | Dual 3-input NOR gate and inverter | Philips |
| 666862 | HEF4000BF | Dual 3-input NOR gate and inverter | Philips |
| 666863 | HEF4000BN | Dual 3-input NOR gate and inverter | Philips |
| 666864 | HEF4000BP | Dual 3-input NOR gate and inverter | NXP Semiconductors |
| 666865 | HEF4000BP | Dual 3-input NOR gate and inverter | Philips |
| 666866 | HEF4000BPB | Dual 3-input NOR gate and inverter | Philips |
| 666867 | HEF4000BT | Dual 3-input NOR gate and inverter | NXP Semiconductors |
| 666868 | HEF4000BT | Dual 3-input NOR gate and inverter | Philips |
| 666869 | HEF4001B | Quadruple 2-input NOR gate | Philips |
| 666870 | HEF4001BD | Quadruple 2-input NOR gate | Philips |
| 666871 | HEF4001BDB | Quadruple 2-input NOR gate | Philips |
| 666872 | HEF4001BF | Quadruple 2-input NOR gate | Philips |
| 666873 | HEF4001BN | Quadruple 2-input NOR gate | Philips |
| 666874 | HEF4001BP | Quad 2-input NOR gate | NXP Semiconductors |
| 666875 | HEF4001BP | Quadruple 2-input NOR gate | Philips |
| 666876 | HEF4001BPB | Quadruple 2-input NOR gate | Philips |
| 666877 | HEF4001BT | Quad 2-input NOR gate | Nexperia |
| 666878 | HEF4001BT | Quad 2-input NOR gate | NXP Semiconductors |
| 666879 | HEF4001BT | Quadruple 2-input NOR gate | Philips |
| 666880 | HEF4001BT-Q100 | Quad 2-input NOR gate | Nexperia |
