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| PartNumber | LM338K STEEL/NOPB | LM338K | LM338K STEEL |
| Description | Linear Voltage Regulators 5A Adjustable Output Linear Regulator 2-TO-3 0 to 0 | Linear Voltage Regulators 1.2-32V Adj Positive | IC REG LINEAR POS ADJ 5A TO3-2 |
| Manufacturer | Texas Instruments | STMicroelectronics | - |
| Product Category | Linear Voltage Regulators | Linear Voltage Regulators | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | TO-3 | TO-3 | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Polarity | Positive | Positive | - |
| Output Voltage | 1.2 V to 32 V | 1.2 V to 32 V | - |
| Output Current | 5 A | 5 A | - |
| Output Type | Adjustable | Adjustable | - |
| Input Voltage MAX | 40 V | 35 V | - |
| Input Voltage MIN | 4.2 V | 4.2 V | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Load Regulation | 0.5 % | 0.5 % | - |
| Line Regulation | 0.03 %/V | 0.03 %/V | - |
| Series | LM338 | LM338 | - |
| Packaging | Bulk | Bulk | - |
| Operating Temperature Range | - 40 C to + 125 C | - | - |
| Brand | Texas Instruments | STMicroelectronics | - |
| Pd Power Dissipation | 50 W | - | - |
| Product Type | Linear Voltage Regulators | Linear Voltage Regulators | - |
| Factory Pack Quantity | 50 | 100 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| RoHS | - | Y | - |
| Height | - | 8.7 mm (Max) | - |
| Length | - | 39.5 mm (Max) | - |
| Width | - | 26.2 mm (Max) | - |
| PSRR / Ripple Rejection Typ | - | 75 dB | - |
| Unit Weight | - | 0.225789 oz | - |