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| PartNumber | KA7812ETSTU | KA7812ETU | KA7812ETU(KA7812) |
| Description | Linear Voltage Regulators 12V 1.A 4%; Reg. Short Leads | Linear Voltage Regulators 3-Terminal 1A Positive | |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | Linear Voltage Regulators | Linear Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-220-3 | TO-220-3 | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Output Voltage | 12 V | 12 V | - |
| Output Current | 1 A | 1 A | - |
| Output Type | Fixed | Fixed | - |
| Input Voltage MAX | 35 V | 27 V | - |
| Input Voltage MIN | 35 V | 14.5 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Load Regulation | 240 mV | 240 mV | - |
| Line Regulation | 240 mV | 240 mV | - |
| Packaging | Tube | - | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Product Type | Linear Voltage Regulators | Linear Voltage Regulators | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Part # Aliases | KA7812ETSTU_NL | KA7812ETU_NL | - |
| Unit Weight | 0.063493 oz | 0.063493 oz | - |
| Series | - | KA7812E | - |
| PSRR / Ripple Rejection Typ | - | 71 dB | - |