| PartNumber | L78S12CV | L78S12CV-DG | L78S12CT |
| Description | Linear Voltage Regulators 12V 2.0A Positive | Linear Voltage Regulators 2A Pos Voltage Reg 12V Output 50mV 60dB | Linear Voltage Regulators 12V 2.0A Positive |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Linear Voltage Regulators | Linear Voltage Regulators | Linear Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220 | TO-220-3 | TO-3 |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | Positive | Positive |
| Output Voltage | 12 V | 12 V | 12 V |
| Output Current | 2 A | 2 A | 2 A |
| Output Type | Fixed | Fixed | Fixed |
| Input Voltage MAX | 35 V | 35 V | 35 V |
| Input Voltage MIN | 15 V | 35 V | 15 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Load Regulation | 240 mV | 100 mV | 240 mV |
| Line Regulation | 240 mV | 100 mV | 240 mV |
| Series | L78S | L78S12C | L78S12C |
| Packaging | Tube | Tube | Bulk |
| Height | 9.15 mm (Max) | - | 8.7 mm (Max) |
| Length | 10.4 mm (Max) | - | 39.5 mm (Max) |
| Width | 4.6 mm (Max) | - | 26.2 mm (Max) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| PSRR / Ripple Rejection Typ | 53 dB | - | 53 dB |
| Product Type | Linear Voltage Regulators | Linear Voltage Regulators | Linear Voltage Regulators |
| Factory Pack Quantity | 1000 | 1000 | 100 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.081130 oz | 0.211644 oz | 0.225789 oz |
| Pd Power Dissipation | - | Internally Limited | - |