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| PartNumber | LM337K | LM337K STEEL | LM337K STEEL/NOPB |
| Description | Linear Voltage Regulators 1.2-37V Adj Negative | IC REG LINEAR NEG ADJ 1.5A TO3-2 | |
| Manufacturer | STMicroelectronics | Texas Instruments | - |
| Product Category | Linear Voltage Regulators | PMIC - Voltage Regulators - Linear | - |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-3 | - | - |
| Number of Outputs | 1 Output | - | - |
| Polarity | Negative | - | - |
| Output Voltage | - 1.2 V to - 37 V | - | - |
| Output Current | 1.5 A | - | - |
| Output Type | Adjustable | - | - |
| Input Voltage MAX | - 40 V | - | - |
| Input Voltage MIN | - 4.2 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 125 C | - | - |
| Load Regulation | 1 % | - | - |
| Line Regulation | 0.04 %/V | - | - |
| Series | LM337 | - | - |
| Packaging | Bulk | Tray | - |
| Height | 8.7 mm (Max) | - | - |
| Length | 39.5 mm (Max) | - | - |
| Width | 26.2 mm (Max) | - | - |
| Brand | STMicroelectronics | - | - |
| PSRR / Ripple Rejection Typ | 77 dB | - | - |
| Pd Power Dissipation | 20000 mW | - | - |
| Product Type | Linear Voltage Regulators | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.225789 oz | - | - |
| Package Case | - | TO-204AA, TO-3 | - |
| Operating Temperature | - | 0°C ~ 125°C | - |
| Mounting Type | - | Through Hole | - |
| Supplier Device Package | - | TO-3-2 | - |
| Voltage Input | - | -4.2 V ~ -40 V | - |
| Current Output | - | 1.5A | - |
| Voltage Output | - | -1.2 V ~ -37 V | - |
| Regulator Topology | - | Negative Adjustable | - |
| Voltage Dropout Typical | - | - | - |
| Number of Regulators | - | 1 | - |
| Current Limit Min | - | 1.5A | - |