The major differences are as follows . (Supply Voltage/Output Current/Operation Temperature/Output Voltage Accuracy)
| Product Name | Supply Voltage | Output Current | Operation Temperature | Output Voltage Accuracy |
| NJM7800 | 40 V | 1500 mA | -40°C to 85°C | 4% |
| NJM78M00 | 40 V | 500 mA | -40°C to 85°C | 4% |
| NJM78L00 | 40 V | 100 mA | -40°C to 85°C | 5% |
| NJM7800S | 40 V | 1500 mA | -40°C to 125°C | 3% |
| NJM78M00S | 35 V | 500 mA | -40°C to 125°C | 3% |
| NJM78L00S | 35 V | 100 mA | -40°C to 125°C | 4% |