LM317KCTAlternatives & Equivalent Parts

LM317KCT is marked OBSOLETE. Compare the equivalents below, check each part's lifecycle, and request a quote on a suitable replacement.

About LM317KCT

LM317KCT is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

ParameterLM317KCTSourceESC106M035AC3AAPR03000202708JAC00LM317KCSE3
ManufacturerTexas InstrumentsKemetVishayTexas Instruments
Package TypeTransistor Outline, VerticalCapacitor, Polarized Radial Diameter—Transistor Outline, Vertical
Pin Count3223
Temperature Range——-55.0°C ~ 200.0°C~ 125.0°C
Price$0.1831$0.0632$0.1640$0.4851
StockIn StockIn StockIn StockIn Stock
LifecycleOBSOLETE—ACTIVENOT RECOMMENDED
Electrical Parameters
YTEOL0—715
AdjustabilityADJUSTABLE——ADJUSTABLE
Dropout Voltage1-Nom2 V——2 V
Input Voltage-Max40 V——40 V
Input Voltage-Min3 V——3 V
Input-Output Voltage Differential-Max40 V——40 V
Input-Output Voltage Differential-Min3 V——3 V
JESD-30 CodeR-PSFM-T3——R-PSFM-T3
JESD-609 Codee3—e3e3
Line Regulation-Max (%/V)0.07——0.07
Load Regulation-Max(%)1.5%——1.5%
Number of Functions1——1
Number of Outputs1——1
Operating Temperature TJ-Max125 °C——125 °C
Output Current1-Max1.5 A——1.5 A
Output Voltage1-Max37 V——37 V
Output Voltage1-Min1.25 V——1.25 V
Package Body MaterialPLASTIC/EPOXY——PLASTIC/EPOXY
Package Equivalence CodeSIP3,.1TB——SIP3,.1TB
Package ShapeRECTANGULAR—TUBULAR PACKAGERECTANGULAR
Package StyleFLANGE MOUNT—AxialFLANGE MOUNT
Packing MethodTUBE—Ammo PackTUBE
Qualification StatusNot Qualified——Not Qualified
Regulator TypeADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR——ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Surface MountNO—NONO
TechnologyBIPOLAR—METAL FILMBIPOLAR
Terminal FinishMATTE TIN—Matte Tin (Sn)Matte Tin (Sn)
Terminal FormTHROUGH-HOLE——THROUGH-HOLE
Terminal Pitch2.54 mm——2.54 mm
Terminal PositionSINGLE——SINGLE
Voltage Tolerance-Max5%——5%
Reach Compliance Code——Compliant—
Factory Lead Time——13 Weeks—
Construction——Tubular—
Lead Diameter——0.78 mm—
Mounting Feature——THROUGH HOLE MOUNT—
Package Diameter——5.2 mm—
Package Length——16.7 mm—
Rated Power Dissipation (P)——3 W—
Rated Temperature——70 °C—
Reference Standard——AEC-Q200—
Resistance——2.7 Ω—
Resistor Type——FIXED RESISTOR—
Temperature Coefficient——250 ppm/°C—
Terminal Shape——WIRE—
Tolerance——5%—
Working Voltage——750 V—
Pbfree Code———Yes
Output Voltage1-Nom———37 V

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Get one quote covering all 3 alternatives for LM317KCT — response within 24 hours.

Quick Links

LM317KCSE3by Texas Instruments

Adjustable Positive Standard Regulator, 1.25V Min, 37V Max, BIPolar, PSFM3

Why Look for Alternatives?

Finding alternatives for LM317KCT is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating LM317KCT replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to LM317KCT?

Known equivalents for LM317KCT include ESC106M035AC3AA, PR03000202708JAC00, LM317KCSE3. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of LM317KCT?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify LM317KCT alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.