Texas Instruments LM317KTTR, 1 Linear Voltage, Voltage Regulator 1.5A, 1.25 → 37 V 3-Pin, TO-263

View all Voltage Regulators
Bulk discount available

Subtotal (1 reel of 500 units)*

£218.50

(exc. VAT)

£262.00

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 05 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Reel*
500 - 500£0.437£218.50
1000 - 2000£0.415£207.50
2500 +£0.373£186.50

*price indicative

RS Stock No.:
922-3375
Mfr. Part No.:
LM317KTTR
Brand:
Texas Instruments
Find similar products by selecting one or more attributes.
Select all

Brand

Texas Instruments

Regulator Type

Linear Voltage

Maximum Output Current

1.5A

Number of Outputs

1

Output Voltage

1.25 → 37 V

Line Regulation

0.04 %/V

Load Regulation

0.5 %

Polarity

Positive

Mounting Type

Surface Mount

Package Type

TO-263

Pin Count

3

Reference Voltage

1.3V

Output Type

Adjustable

Dimensions

10.18 x 8.41 x 4.44mm

Minimum Input Voltage

4.2 V

Minimum Operating Temperature

0 °C

Height

4.44mm

Maximum Input Voltage

40 V

Maximum Operating Temperature

+125 °C

Length

10.18mm

Width

8.41mm

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