| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM137H/NOPB | Texas Instruments | $12.6192 | Adjustable Negative Standard Regulator, -37V Min, -1.2V Max, BIPolar, MBCY3 | LM337K vs LM137H/NOPB |
| LM137K/883 | Texas Instruments | $49.4736 | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM2 | LM337K vs LM137K/883 |
| M38510/11804BYX | Unitrode Corporation | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM2 | LM337K vs M38510/11804BYX |
| LT137AK | Linear Technology | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM3 | LM337K vs LT137AK |
| JL137BYA | Texas Instruments | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM2 | LM337K vs JL137BYA |
| IP137AK | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, MBFM2 | LM337K vs IP137AK |
| LM137K-BSS2 | TT Electronics Power and Hybrid / Semelab Limited | Check for Price | Adjustable Negative Standard Regulator, MBFM2 | LM337K vs LM137K-BSS2 |
| M38510/11804SYA | Analog Devices Inc | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM2 | LM337K vs M38510/11804SYA |
| JM38510/11804BYA | Defense Logistics Agency | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM2 | LM337K vs JM38510/11804BYA |
| 7703403YA | Defense Logistics Agency | Check for Price | Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, MBFM2 | LM337K vs 7703403YA |
Part Details for LM337K by Linear Technology
Results Overview of LM337K by Linear Technology
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- 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.
LM337K Information
LM337K by Linear Technology 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LM337KCSE3 | Texas Instruments | 3 Pin 1.5A Adjustable Negative Voltage Regulator 3-TO-220 0 to 125 | |
| LM337KTTRG3 | Texas Instruments | 3 Pin 1.5A Adjustable Negative Voltage Regulator 3-DDPAK/TO-263 0 to 125 | |
| LM337KTTR | Texas Instruments | 3 Pin 1.5A Adjustable Negative Voltage Regulator 3-DDPAK/TO-263 0 to 125 |
Price & Stock for LM337K
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,TO-204/-3,3PIN,METAL | 300 |
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$31.4543 / $40.5862 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,TO-204/-3,3PIN,METAL | 24 |
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$27.0000 / $30.0000 | Buy Now |
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Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,TO-204/-3,3PIN,METAL | 7 |
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$30.0000 | Buy Now |
|
|
Quest Components | IC,VOLT REGULATOR,ADJUSTABLE,-1.2 TO -37V,BIPOLAR,TO-204/-3,3PIN,METAL | 1 |
|
$19.5000 | Buy Now |
US Tariff Estimator: LM337K by Linear Technology
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.
LM337K Part Data Attributes
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LM337K
Linear Technology
Buy Now
Datasheet
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Compare Parts:
LM337K
Linear Technology
Adjustable Negative Standard Regulator, 1.2V Min, 37V Max, BIPolar, MBFM3
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| Part Life Cycle Code | Obsolete | |
| Part Package Code | TO-204AA | |
| Package Description | Metal Can, To-3, 2 Pin | |
| Pin Count | 2 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Adjustability | Adjustable | |
| Dropout Voltage1-Nom | 3 V | |
| Input-Output Voltage Differential-Max | 40 V | |
| Input-Output Voltage Differential-Min | 3 V | |
| JESD-30 Code | O-MBFM-P3 | |
| JESD-609 Code | e0 | |
| 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 | ||
| Output Current1-Max | 1.5 A | |
| Output Voltage1-Max | 37 V | |
| Output Voltage1-Min | 1.2 V | |
| Package Body Material | Metal | |
| Package Code | BFM | |
| Package Equivalence Code | TO-204/-3 | |
| Package Shape | Round | |
| Package Style | Flange Mount | |
| Qualification Status | Not Qualified | |
| Regulator Type | Adjustable Negative Single Output Standard Regulator | |
| Surface Mount | No | |
| Technology | Bipolar | |
| Terminal Finish | Tin Lead | |
| Terminal Form | Pin/Peg | |
| Terminal Position | Bottom |
Alternate Parts for LM337K
This table gives cross-reference parts and alternative options found for LM337K. 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 LM337K, 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.
LM337K Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM337K is 40V. Exceeding this voltage can cause damage to the device.
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To ensure stability, a minimum output capacitance of 10uF is recommended, and the output voltage should be decoupled from the input voltage using a capacitor with a value of at least 1uF. Additionally, the input voltage should be well-regulated and free of noise.
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The maximum power dissipation of the LM337K is 2.5W. Exceeding this power dissipation can cause the device to overheat and potentially fail.
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Yes, the LM337K can be used as a negative voltage regulator by connecting the input voltage to the output pin and the output voltage to the input pin. However, the device must be properly biased and the output voltage must be within the specified range.
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The LM337K has built-in overcurrent protection, but it is still recommended to add external protection such as a fuse or a current-limiting resistor to prevent damage from excessive current. Additionally, the device should be mounted on a heat sink to prevent overheating.