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| PartNumber | BA178M20CP-E2 | BA178M18T | BA178M20CP , S-1137B33-M |
| Description | Linear Voltage Regulators VOLTAGE REG, 0.5 A 20V | Linear Voltage Regulators REG 500MA 18V | |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | - |
| Product Category | Linear Voltage Regulators | Linear Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-220CP-3 | TO-220-FP-3 | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Output Voltage | 20 V | 18 V | - |
| Output Current | 500 mA | 500 mA | - |
| Output Type | Fixed | Fixed | - |
| Input Voltage MAX | 33 V | 33 V | - |
| Input Voltage MIN | 23 V | 21 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | BA178M20 | BA178M18 | - |
| Packaging | Reel | Bulk | - |
| Brand | ROHM Semiconductor | ROHM Semiconductor | - |
| Product Type | Linear Voltage Regulators | Linear Voltage Regulators | - |
| Factory Pack Quantity | 500 | 500 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Part # Aliases | BA178M20CP | - | - |
| Load Regulation | - | 360 mV | - |
| Line Regulation | - | 100 mV | - |
| Height | - | 8 mm | - |
| Length | - | 10 mm | - |
| Width | - | 4.5 mm | - |
| PSRR / Ripple Rejection Typ | - | 58 dB | - |
| Pd Power Dissipation | - | 22000 mW | - |
| Unit Weight | - | 0.081130 oz | - |