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| Part Number | LM117H | LM137H | LM117K | 
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Active | 
| Output Configuration | Positive | Negative | Positive | 
| Output Type | Adjustable | Adjustable | Adjustable | 
| Number of Regulators | 1 | 1 | 1 | 
| Voltage - Input (Max) | 40V | -40V | 40V | 
| Voltage - Output (Min/Fixed) | 1.25V | -1.2V | 1.25V | 
| Voltage - Output (Max) | 37V | -37V | 37V | 
| Voltage Dropout (Max) | - | - | - | 
| Current - Output | 1.5A | 1.5A | 1.5A | 
| Current - Quiescent (Iq) | - | - | - | 
| Current - Supply (Max) | - | - | - | 
| PSRR | 80dB ~ 65dB (120Hz) | 66dB (120Hz) | 80dB ~ 65dB (120Hz) | 
| Control Features | - | - | - | 
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C | -55°C ~ 125°C | 
| Mounting Type | Through Hole | Through Hole | Through Hole | 
| Package / Case | TO-205AD, TO-39-3 Metal Can | TO-205AD, TO-39-3 Metal Can | TO-204AA, TO-3 | 
| Supplier Device Package | TO-3 | TO-3 | TO-3-2 |