Texas Instruments LM317KTTR, Voltage Regulator 40V TO-263 3-Pin

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Subtotal (1 pack of 5 units)*

£6.20

(exc. VAT)

£7.45

(inc. VAT)

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  • 35 unit(s) ready to ship
  • Plus 45 unit(s) ready to ship from another location
  • Plus 255 unit(s) shipping from 29 January 2026
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Units
Per unit
Per Pack*
5 - 20£1.24£6.20
25 - 45£1.174£5.87
50 - 120£1.058£5.29
125 - 245£0.952£4.76
250 +£0.904£4.52

*price indicative

Packaging Options:
RS Stock No.:
661-3621
Mfr. Part No.:
LM317KTTR
Brand:
Texas Instruments
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Brand

Texas Instruments

Product Type

Voltage Regulator

Package Type

TO-263

Mount Type

Surface

Polarity

Positive

Pin Count

3

Series

LM317

Width

8.41 mm

Length

10.18mm

Height

4.44mm

Standards/Approvals

No

Maximum Input Voltage

40V

Maximum Operating Temperature

125°C

Minimum Input Voltage

4.2V

Automotive Standard

No

LM117/LM317 Adjustable Voltage Regulators


The Texas Instruments LM117/LM317 series of adjustable three-terminal positive voltage regulators are available with current ratings of 0.1, 0.5 and 1.5A. Output voltage range is from 1.25 V to 37 V and is set by two external resistors. These robust and reliable devices incorporate current limiting, thermal overload protection, and safe operating area protection.

Output Voltage Range: 1.2 V to 37 V

Output Current: 1.5 A (LM317), 0.5 A (LM317M), 0.1 A (LM317L)

Typical line regulation: 0.01%

Typical load regulation: 0.1%

Linear Voltage Regulators, Texas Instruments


A range of fixed and adjustable Linear Voltage regulators from Texas Instruments. The range includes both positive and negative polarity devices with output current ratings from 100mA up to 5A.

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