| Image | Manufacturer | Part Number | Description |
|---|
 | Texas Instruments | OPA27GP | OP Amp Single GP ±22V 8-Pin PDIP Tube |
| Texas Instruments | OPA177GP | OP Amp Single GP ±22V 8-Pin PDIP Tube |
| Texas Instruments | OPA177FP | OP Amp Single GP ±22V 8-Pin PDIP Tube |
 | STMicroelectronics | LM201AN | OP Amp Single GP ±22V 8-Pin PDIP Tube |
| STMicroelectronics | UA741IN | OP Amp Single GP ±22V 8-Pin PDIP Tube |
 | Linear Technology | LT1001ACN8 | OP Amp Single GP ±22V 8-Pin PDIP N |
| Linear Technology | LT1028CN8 | OP Amp Single GP ±22V 8-Pin PDIP N |
| Linear Technology | OP37GN8 | OP Amp Single GP ±22V 8-Pin PDIP N |
| STMicroelectronics | MC1458IN | OP Amp Dual GP ±22V 8-Pin PDIP Tube |
| STMicroelectronics | MC1458N | OP Amp Dual GP ±22V 8-Pin PDIP Tube |
| Linear Technology | LT1001ACN8#PBF | OP Amp Single GP ±22V 8-Pin PDIP N |
| Linear Technology | LT1001CN8#PBF | OP Amp Single GP ±22V 8-Pin PDIP N |
| Texas Instruments | OPA37GPG4 | OP Amp Single GP ±22V 8-Pin PDIP Tube |
| Texas Instruments | OPA177FPG4 | OP Amp Single GP ±22V 8-Pin PDIP Tube |
| Texas Instruments | OPA177GPG4 | OP Amp Single GP ±22V 8-Pin PDIP Tube |
| STMicroelectronics | UA741MN | OP Amp Single GP ±22V 8-Pin PDIP Tube |
 | Texas Instruments | OPA177GS | OP Amp Single GP ±22V 8-Pin SOIC Tube |
 | National Semiconductor | LME49860NA/NOPB | OP Amp Dual GP ±22V 8-Pin PDIP Rail |
| Texas Instruments | OPA37GP | OP Amp Single GP ±22V 8-Pin PDIP Tube |
 | Analog Devices | OP37EPZ | OP Amp Single GP ±22V 8-Pin Mini-PDIP |
| Analog Devices | OP37GPZ | OP Amp Single GP ±22V 8-Pin Mini-PDIP |
| Analog Devices | OP27EPZ | OP Amp Single GP ±22V 8-Pin PDIP |
| Analog Devices | OP27GPZ | OP Amp Single GP ±22V 8-Pin PDIP |
| | STMicroelectronics | LM346N | OP Amp Quad GP ±22V 16-Pin PDIP Tube |
 | STMicroelectronics | LM348N | OP Amp Quad GP ±22V 14-Pin PDIP Tube |
