Texas Instruments LM317DCY, 1 Linear Voltage, Voltage Regulator 1.5A, 1.25 → 37 V 3+Tab-Pin, SOT-223

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Subtotal (1 tube of 80 units)*

£45.60

(exc. VAT)

£54.40

(inc. VAT)

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  • 3,200 unit(s) shipping from 28 October 2025
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Units
Per unit
Per Tube*
80 - 80£0.57£45.60
160 - 320£0.555£44.40
400 - 720£0.54£43.20
800 - 1120£0.526£42.08
1200 +£0.513£41.04

*price indicative

RS Stock No.:
121-9159
Mfr. Part No.:
LM317DCY
Brand:
Texas Instruments
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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 %

Mounting Type

Surface Mount

Polarity

Positive

Package Type

SOT-223

Reference Voltage

1.3V

Pin Count

3+Tab

Output Type

Adjustable

Dimensions

6.5 x 3.5 x 1.6mm

Maximum Input Voltage

40 V

Maximum Operating Temperature

+125 °C

Height

1.6mm

Minimum Operating Temperature

0 °C

Minimum Input Voltage

4.2 V

Length

6.5mm

Width

3.5mm

COO (Country of Origin):
MY

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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