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| PartNumber | L7818CV | L7818CT | L7818CD2T |
| Description | Linear Voltage Regulators 18V 1.0A Positive | Linear Voltage Regulators 18V 1.0A Positive | |
| Manufacturer | STMicroelectronics | STMicroelectronics | ST |
| Product Category | Linear Voltage Regulators | Linear Voltage Regulators | IC Chips |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-220 | TO-3 | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Output Voltage | 18 V | 18 V | - |
| Output Current | 1.5 A | 1.5 A | - |
| Output Type | Fixed | Fixed | - |
| Input Voltage MAX | 35 V | 35 V | - |
| Input Voltage MIN | 20 V | 35 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Load Regulation | 360 mV | 360 mV | - |
| Line Regulation | 360 mV | 360 mV | - |
| Series | L78 | L7818 | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| PSRR / Ripple Rejection Typ | 53 dB | - | - |
| Product Type | Linear Voltage Regulators | Linear Voltage Regulators | - |
| Factory Pack Quantity | 1000 | 100 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.081130 oz | 0.225789 oz | - |
| Packaging | - | Bulk | - |
| Height | - | 8.7 mm (Max) | - |
| Length | - | 39.5 mm (Max) | - |
| Width | - | 26.2 mm (Max) | - |