LM338KAlternatives & Equivalent Parts
About LM338K
LM338K is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LM338K — response within 24 hours.
Specification Comparison
| Parameter | LM338KSource | LM338KSTEEL/NOPB | KBPC3510W | 2227MC-18-03-08-F1 | B3F-4000 |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | HY Electronic Corp | MULTICOMP | Omron Electronics |
| Package Type | Other | Transistor Outline, Vertical | Other | Dual-In-Line Sockets | Other |
| Pin Count | 2 | 2 | 4 | 18 | 4 |
| Temperature Range | — | ~ 125.0°C | -55.0°C ~ 150.0°C | -25.0°C ~ 105.0°C | — |
| Price | $10.5300 | $37.5000 | $0.9547 | $0.5770 | $0.1990 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | CONTACT MANUFACTURER | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| YTEOL | 0 | 15 | — | 7.3 | — |
| Adjustability | ADJUSTABLE | ADJUSTABLE | — | — | — |
| Dropout Voltage1-Nom | 3 V | 2.7 V | — | — | — |
| Input-Output Voltage Differential-Max | 35 V | 35 V | — | — | — |
| Input-Output Voltage Differential-Min | 3 V | 3 V | — | — | — |
| JESD-30 Code | O-MBFM-P2 | O-MBFM-P2 | S-XUFM-W4 | — | — |
| JESD-609 Code | e3 | — | — | — | — |
| Line Regulation-Max (%/V) | 0.06 | 0.06 | — | — | — |
| Load Regulation-Max(%) | 1% | 1% | — | — | — |
| Number of Functions | 1 | 1 | — | — | — |
| Number of Outputs | 1 | 1 | — | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — | — |
| Output Current1-Max | 5 A | 5 A | — | — | — |
| Output Voltage1-Max | 32 V | 32 V | — | — | — |
| Output Voltage1-Min | 1.2 V | 1.24 V | — | — | — |
| Package Body Material | METAL | METAL | UNSPECIFIED | — | — |
| Package Equivalence Code | TO-204/-3 | TO-204/-3 | — | — | — |
| Package Shape | ROUND | ROUND | SQUARE | — | — |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | FLANGE MOUNT | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — | — |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | — | — |
| Surface Mount | NO | NO | NO | — | — |
| Technology | BIPOLAR | BIPOLAR | — | — | — |
| Terminal Finish | MATTE TIN | — | — | — | — |
| Terminal Form | PIN/PEG | PIN/PEG | WIRE | — | — |
| Terminal Position | BOTTOM | BOTTOM | UPPER | — | — |
| ## LM338K Alternates Showing results | Image | — | — | — | — |
| Input Voltage-Max | — | 40 V | — | — | — |
| Input Voltage-Min | — | 4.2 V | — | — | — |
| Packing Method | — | TRAY | — | — | — |
| ## LM338KSTEEL/NOPB Alternates Showing results | — | Image | — | — | — |
| Case Connection | — | — | ISOLATED | — | — |
| Configuration | — | — | BRIDGE, 4 ELEMENTS | — | — |
| Diode Element Material | — | — | SILICON | — | — |
| Diode Type | — | — | BRIDGE RECTIFIER DIODE | — | — |
| Forward Voltage-Max (VF) | — | — | 1.1 V | — | — |
| Non-rep Pk Forward Current-Max | — | — | 400 A | — | — |
| Number of Elements | — | — | 4 | — | — |
| Number of Phases | — | — | 1 | — | — |
| Output Current-Max | — | — | 35 A | — | — |
| Rep Pk Reverse Voltage-Max | — | — | 1000 V | — | — |
| Reverse Current-Max | — | — | 10 µA | — | — |
| Additional Feature | — | — | — | STANDARD: UL 94V-0 | — |
| Body Breadth | — | — | — | 0.4 inch | — |
| Body Depth | — | — | — | 0.165 inch | — |
| Body Length | — | — | — | 0.9 inch | — |
| Contact Configuration | — | — | — | RECTANGLE | — |
| Contact Style | — | — | — | RND PIN-SKT | — |
| Current Rating | — | — | — | 3 A | — |
| Device Socket Type | — | — | — | IC SOCKET | — |
| Device Type Used On | — | — | — | DIP18 | — |
| Dielectric Withstanding Voltage | — | — | — | 1000VAC V | — |
| Housing Material | — | — | — | POLYBUTYLENE TEREPHTHALATE | — |
| Insulation Resistance | — | — | — | 1000000000 Ω | — |
| Mating Contact Pitch | — | — | — | 0.1 inch | — |
| Mounting Style | — | — | — | STRAIGHT | — |
| Number of Contacts | — | — | — | 18 | — |
| PCB Contact Pattern | — | — | — | RECTANGULAR | — |
| PCB Contact Row Spacing | — | — | — | 0.30000000000000004 mm | — |
| Terminal Pitch | — | — | — | 2.54 mm | — |
| Termination Type | — | — | — | SOLDER | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for LM338K — response within 24 hours.
Quick Links
Regulator, 1.2V Min, 32V Max, BIPolar, MBFM2
suggested
Why Look for Alternatives?
Finding alternatives for LM338K is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM338K replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM338K. Get expert recommendations within 24 hours.
FAQ
What is equivalent to LM338K?
Known equivalents for LM338K include LM338KSTEEL/NOPB, KBPC3510W, 2227MC-18-03-08-F1. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM338K?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM338K alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.