| Image | Manufacturer | Part Number | Description |
 | Texas Instruments | INA101AG | SP Amp INSTR Amp Single ±20V 14-Pin SBCDIP Tube |
 | Texas Instruments | XTR101AG | SP Amp INSTR Amp Single 40V 14-Pin SBCDIP Tube |
 | Texas Instruments | XTR101BG | SP Amp INSTR Amp Single 40V 14-Pin SBCDIP Tube |
 | Texas Instruments | INA101HP | SP Amp INSTR Amp Single ±20V 14-Pin PDIP Tube |
 | Analog Devices | AD521SDZ | SP Amp INSTR Amp Single ±18V 14-Pin SBCDIP |
 | Texas Instruments | INA110SG | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP Tube |
| | Texas Instruments | INA333SJD | SP Amp INSTR Amp Single R-R O/P ±2.75V/5.5V 8-Pin SBCDIP Tube |
 | Texas Instruments | INA101AM | SP Amp INSTR Amp Single ±20V 10-Pin TO-100 Tube |
 | Texas Instruments | INA101KU | SP Amp INSTR Amp Single ±20V 16-Pin SOIC Tube |
 | Texas Instruments | INA101SM | SP Amp INSTR Amp Single ±20V 10-Pin TO-100 Tube |
 | Analog Devices | 5962-8853901EA | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Analog Devices | 5962-8771901EA | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Texas Instruments | PGA203KP | SP Amp INSTR Amp Single ±18V 14-Pin PDIP Tube |
 | Texas Instruments | PGA202KP | SP Amp INSTR Amp Single ±18V 14-Pin PDIP Tube |
 | Texas Instruments | INA101CM | SP Amp INSTR Amp Single ±20V 10-Pin TO-100 Tube |
 | Analog Devices | AD524ADZ | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Analog Devices | AD624ADZ | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Analog Devices | AD524BDZ | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Analog Devices | AD524AD | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Analog Devices | AD624BDZ | SP Amp INSTR Amp Single ±18V 16-Pin SBCDIP |
 | Linear Technology | LT1102ACN8#PBF | SP Amp INSTR Amp Single ±20V 8-Pin PDIP N |
 | Texas Instruments | XTR101AP | SP Amp INSTR Amp Single 40V 14-Pin PDIP Tube |
 | Texas Instruments | INA163UA | SP Amp INSTR Amp Single ±18V 14-Pin SOIC Tube |
| | Linear Technology | LT1102MJ8 | SP Amp INSTR Amp Single ±20V 8-Pin CDIP |
 | Texas Instruments | INA103KP | SP Amp INSTR Amp Single ±25V 16-Pin PDIP Tube |