| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM317T | STMicroelectronics | $0.3970 | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar | LM317KCS vs LM317T |
| LM317T/NOPB | Texas Instruments | $1.4831 | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T/NOPB |
| LM317T | Texas Instruments | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T |
| LM317T | Samsung Semiconductor | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T |
| LM317T | Linear Technology | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T |
| LM317T2 | onsemi | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T2 |
| LM317T | Motorola Semiconductor Products | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T |
| LM317T#PBF | Analog Devices Inc | Check for Price | Adjustable Positive Standard Regulator, 1.2V Min, 37V Max, BIPolar, PSFM3 | LM317KCS vs LM317T#PBF |
Part Details for LM317KCS by Texas Instruments
Results Overview of LM317KCS by Texas Instruments
- Distributor Offerings: (12 listings)
- Number of FFF Equivalents: (8 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LM317KCS Information
LM317KCS by Texas Instruments is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for LM317KCS
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
26AJ7246
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Newark | Lin Volt Reg, Texas Instruments Lm317Kcs, Available Until Stocks Are Exhausted |Texas Instruments LM317KCS RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk | 0 |
|
$0.5420 / $1.2700 | Buy Now |
|
DISTI #
296-13869-5-ND
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DigiKey | IC REG LIN POS ADJ 1.5A TO220-3 Min Qty: 1 Container: Tube |
4250 Tube |
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$0.6634 / $1.3900 | Buy Now |
|
DISTI #
93847904
|
Verical | Standard Regulator Pos 1.25V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube RoHS: Compliant Min Qty: 4 Package Multiple: 1 Date Code: 2520 | Americas - 376 |
|
$0.5187 / $1.0513 | Buy Now |
|
DISTI #
595-LM317KCS
|
Mouser Electronics | Linear Voltage Regulators 3-Term Adj. Pos. RoHS: Compliant | 2150 |
|
$0.6630 / $1.3900 | Buy Now |
|
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Bristol Electronics | Standard Regulator Pos 1.25V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube | 100 |
|
RFQ | |
|
|
Quest Components | ADJUSTABLE POSITIVE STANDARD REGULATOR, 1.25V MIN, 37V MAX, BIPOLAR, PSFM3 | 50 |
|
$0.4726 / $0.7089 | Buy Now |
|
DISTI #
LM317KCS
|
TME | IC: voltage regulator, linear,adjustable, 1.25÷37V, 1.5A, TO220-3 Min Qty: 1 | 0 |
|
$0.9750 / $1.9600 | RFQ |
|
|
ComSIT USA | AVAILABLE EU | 1288 |
|
RFQ | |
|
|
Chip 1 Exchange | INSTOCK | 1501 |
|
RFQ | |
|
|
Chip Stock | LDO Regulator Pos 1.25V to 37V 1.5A 3-Pin(3+Tab) TO-220 Tube | 39500 |
|
RFQ |
US Tariff Estimator: LM317KCS by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LM317KCS CAD Models
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LM317KCS Part Data Attributes
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LM317KCS
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM317KCS
Texas Instruments
Adjustable Positive Standard Regulator, 1.25V Min, 37V Max, BIPolar, PSFM3
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Not Recommended | |
| Part Package Code | SFM | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Adjustability | Adjustable | |
| Dropout Voltage1-Nom | 2 V | |
| Input Voltage-Max | 40 V | |
| Input Voltage-Min | 3 V | |
| Input-Output Voltage Differential-Max | 40 V | |
| Input-Output Voltage Differential-Min | 3 V | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Length | 10.16 Mm | |
| Line Regulation-Max (%/V) | 0.07 | |
| Load Regulation-Max(%) | 1.5% | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature TJ-Max | 125 °C | |
| Operating Temperature TJ-Min | ||
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | ||
| Output Current1-Max | 1.5 A | |
| Output Voltage1-Max | 37 V | |
| Output Voltage1-Min | 1.25 V | |
| Output Voltage1-Nom | 37 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | TO-220 | |
| Package Equivalence Code | SIP3,.1TB | |
| Package Shape | Rectangular | |
| Package Style | Flange Mount | |
| Packing Method | Tube | |
| Qualification Status | Not Qualified | |
| Regulator Type | Adjustable Positive Single Output Standard Regulator | |
| Seated Height-Max | 4.7 Mm | |
| Surface Mount | No | |
| Technology | Bipolar | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Single | |
| Voltage Tolerance-Max | 5% | |
| Width | 8.7 Mm |
Alternate Parts for LM317KCS
This table gives cross-reference parts and alternative options found for LM317KCS. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM317KCS, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
LM317KCS Frequently Asked Questions (FAQ)
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The minimum input voltage required for the LM317KCS to operate is 3V above the output voltage. For example, if the output voltage is 5V, the minimum input voltage would be 8V.
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To ensure stability and prevent oscillations, a minimum output capacitance of 1uF is recommended. Additionally, the input capacitor should be at least 10uF to prevent oscillations.
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The maximum current that the LM317KCS can deliver is 1.5A. However, it's recommended to derate the current to 1A or less for reliable operation.
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The output voltage of the LM317KCS can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage is determined by the ratio of the resistors and the reference voltage (1.25V).
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The thermal shutdown temperature of the LM317KCS is typically around 150°C to 170°C. The device will shut down when the junction temperature exceeds this threshold.