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

This image is representative of the product range

View all Voltage Regulators

Subtotal (1 pack of 5 units)*

$6.08

(exc. GST)

$6.69

(inc. GST)

Add to Basket
Select or type quantity
In Stock
  • 45 unit(s) ready to ship from another location
  • Plus 255 unit(s) shipping from 23 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 +$1.216$6.08

*price indicative

Packaging Options:
RS Stock No.:
661-3621
Mfr. Part No.:
LM317KTTR
Brand:
Texas Instruments
Find similar products by selecting one or more attributes.
Select all

Brand

Texas Instruments

Product Type

Voltage Regulator

Package Type

TO-263

Polarity

Positive

Mount Type

Surface

Pin Count

3

Height

4.44mm

Width

8.41 mm

Length

10.18mm

Standards/Approvals

No

Series

LM317

Maximum Input Voltage

40V

Minimum Input Voltage

4.2V

Maximum Operating Temperature

125°C

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.

Related links