The LM317K is a robust 3-terminal positive adjustable voltage regulator capable of supplying over 1.5A of output current with an adjustable voltage range from 1.2V to 37V. Housed in a durable TO-3 metal can, it is ideal for high-power applications and environments requiring excellent thermal performance and reliable voltage regulation.
TO-3 metal package for improved heat dissipation
Output voltage adjustable from 1.2V to 37V
Output current over 1.5A
Line regulation: 0.005%/V (typical)
Load regulation: 0.1% (typical)
Floating operation for high voltage applications
Thermal overload protection
Short-circuit current limiting
Safe area protection for reliability under fault conditions
Requires only two external resistors to set output voltage
Excellent thermal regulation and stability
Package Type: TO-3 Metal Can
Output Voltage Range: 1.2V to 37V
Output Current: >1.5A
Input – Output Voltage Differential (VI - VO): 35V max
Maximum Power Dissipation: Internally limited
Operating Junction Temperature: 0°C to +125°C
Storage Temperature Range: -65°C to +150°C
Temperature Coefficient: 50 ppm/°C
Pin Configuration (TO-3):
Pin 1: Adjust
Pin 2: Output
Case: Input (Positive)
Bench power supplies
Adjustable regulated power supply units
Battery chargers
Industrial equipment
Audio amplifier power stages
Lab and field instrumentation requiring variable voltage
1x Heat sink compound
2x LM317K Voltage Regulator (TO-3 Package)
2x TO-3 compatible heat sinks
4x mounting screws
Product specifications, features, and design may change over time due to product updates or improvements. The image provided is solely for illustrative purposes, and the actual product brand and color may vary. Please refer to the specific product details for accurate information.
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