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LM317T

The LM317T is the classic 3-terminal adjustable linear regulator, setting any output from 1.25 V to 37 V at up to 1.5 A with just two external resistors. Packaged in a heatsink-ready TO-220, it remains one of the most widely second-sourced regulators in the industry for bench supplies and general-purpose point-of-load regulation.

Stock & Date Code

Brand Part Number Qty D/C Note
TI LM317T 28,600 26+ Texas Instruments LM317T classic 3-terminal adjustable linear voltage regulator; confirm date code, lot and packing condition by RFQ.

Listed stock and date code are subject to final RFQ confirmation.

Power IC Specifications

ParameterValue / Specification
Function / TopologyAdjustable 3-terminal linear voltage regulator
Input VoltageUp to 40 V; minimum determined by dropout and the set output voltage
Output Voltage / Current1.25 V to 37 V adjustable output; up to 1.5 A output current
Package / Case3-TO-220
Regulation TopologyThree-terminal adjustable design — output voltage set by an ernal resistor divider between OUT and ADJ
Package GradeT-suffndicates the standard TO-220 power package variant in the LM317 family
Operating Temperature0°C to +125°C
Application ClassGeneral-purpose adjustable linear regulator for bench supplies and point-of-load regulation

Power Features & Applications

  • 1.25 V to 37 V adjustable output covers nearly any low-voltage regulated rail from one part
  • Up to 1.5 A output current suits moderate-power point-of-load and bench-supply designs
  • Only two external resistors are needed to set the output voltage
  • TO-220 package accepts a standard heatsink for higher-power dissipation designs
  • 0°C to +125°C rating gives headroom for dissipation-limited linear-regulator applications
  • One of the most widely second-sourced adjustable regulators in the industry, easing design reuse

Need Price & Availability for LM317T?

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Listed stock is subject to final RFQ confirmation.

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Commercial and shipment details for LM317T are confirmed with the formal quotation.

Quality Confirmation

Date code, batch, package, label and marking details are checked before shipment. Inspection photos and third-party inspection support are available when required.

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Frequently Asked Questions

Is LM317T available from LimChip?

LimChip can confirm current availability, price, quantity, date code and lead time for LM317T by RFQ.

What should buyers check before ordering LM317T?

Buyers should check voltage range, current rating, package, protection features and date code for LM317T, together with live stock and traceable supply.

How do I request a quote for LM317T?

Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.

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