| PartNumber | KA78R05CTU | KA78R09CTU | KA78R08CTU |
| Description | LDO Voltage Regulators 1A Fixed 5V LDO | LDO Voltage Regulators 1A Fixed 9V LDO | LDO Voltage Regulators 1A Fixed 8V LDO |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220-4 | TO-220-4 | TO-220-4 |
| Output Voltage | 5 V | 9 V | 8 V |
| Output Current | 1 A | 1 A | 1 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | Positive | Positive |
| Quiescent Current | 10 mA | 10 mA | 10 mA |
| Input Voltage MAX | 35 V | 35 V | 35 V |
| Input Voltage MIN | 6 V | 10 V | 9 V |
| Output Type | Fixed | Fixed | Fixed |
| Minimum Operating Temperature | - 20 C | - 20 C | - 20 C |
| Maximum Operating Temperature | + 80 C | + 80 C | + 80 C |
| Series | KA78R05C | KA78R09C | KA78R08C |
| Packaging | Tube | Tube | Tube |
| Height | 9.2 mm | 9.2 mm | 9.2 mm |
| Length | 10 mm | 10 mm | 10 mm |
| Width | 4.5 mm | 4.5 mm | 4.5 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Dropout Voltage Max | 500 mV | 500 mV | 500 mV |
| Line Regulation | 2.5 % | 2.5 % | 2.5 % |
| Load Regulation | 2 % | 2 % | 2 % |
| Pd Power Dissipation | 15 W | 15 W | 15 W |
| Product Type | LDO Voltage Regulators | LDO Voltage Regulators | LDO Voltage Regulators |
| Factory Pack Quantity | 1000 | 50 | 50 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Part # Aliases | KA78R05CTU_NL | KA78R09CTU_NL | KA78R08CTU_NL |
| Unit Weight | 0.099790 oz | 0.099790 oz | 0.099790 oz |