LM399HAlternatives & Equivalent Parts
About LM399H
LM399H is a Integrated Circuit component manufactured by Analog Devices. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LM399HSource | TL431CZ | AP2112K-3.3TRG1 | LTST-G683GEBW |
|---|---|---|---|---|
| Manufacturer | Analog Devices | STMicroelectronics | Diodes Inc. | Lite-On |
| Package Type | Other | Other | SOT23 (5-Pin) | Other |
| Pin Count | 4 | 3 | 5 | 6 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $10.6717 | $0.0685 | $0.0686 | $0.1395 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | 0 | 6.5 | 6.8 | 6 |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE | TWO TERMINAL VOLTAGE REFERENCE | — | — |
| JESD-30 Code | O-MBCY-W4 | O-PBCY-T3 | R-PDSO-G5 | — |
| JESD-609 Code | e0 | e3 | e3 | — |
| Number of Functions | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | — |
| Output Voltage-Max | 7.3 V | 2.567 V | — | — |
| Output Voltage-Min | 6.75 V | 2.423 V | — | — |
| Output Voltage-Nom | 6.95 V | 2.495 V | — | — |
| Package Body Material | METAL | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | ROUND | ROUND | RECTANGULAR | — |
| Package Style | CYLINDRICAL | CYLINDRICAL | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | — |
| Surface Mount | NO | NO | YES | YES |
| Technology | BIPOLAR | BIPOLAR | CMOS | — |
| Temp Coef of Voltage-Max | 2 ppm/°C | 97.338 ppm/°C | — | — |
| Temperature Grade | COMMERCIAL | COMMERCIAL | — | — |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) - annealed | MATTE TIN | — |
| Terminal Form | WIRE | THROUGH-HOLE | GULL WING | — |
| Terminal Position | BOTTOM | BOTTOM | DUAL | — |
| Trim/Adjustable Output | YES | YES | — | — |
| ## LM399H Alternates Showing results | Image | — | — | — |
| Factory Lead Time | — | 10 Weeks | 12 Weeks | 18 Weeks |
| Additional Feature | — | THE OUTPUT VOLTAGE MAY BE SET TO ANY VALUE BETWEEN 2.5V AND 36V WITH TWO EXTERNAL RESISTORS | — | IC COMPATIBLE |
| Output Current-Max | — | 0.1 A | — | — |
| Package Equivalence Code | — | SIP3,.1,50 | TSOP5/6,.11,37 | — |
| Peak Reflow Temperature (Cel) | — | NOT SPECIFIED | 260 | — |
| Supply Current-Max (Isup) | — | 100 mA | — | — |
| Terminal Pitch | — | 1.27 mm | 0.95 mm | 2.75 mm |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | 30 | — |
| ## TL431CZ Alternates Showing results | — | Image | — | — |
| Adjustability | — | — | FIXED | — |
| Dropout Voltage1-Max | — | — | 0.4 V | — |
| Dropout Voltage1-Nom | — | — | 0.25 V | — |
| Input Voltage Absolute-Max | — | — | 6.5 V | — |
| Input Voltage-Max | — | — | 6 V | — |
| Input Voltage-Min | — | — | 2.5 V | — |
| Line Regulation-Max | — | — | 0.00561% | — |
| Load Regulation-Max | — | — | 0.0198% | — |
| Operating Temperature TJ-Max | — | — | 85 °C | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — |
| Output Current1-Max | — | — | 0.6 A | — |
| Output Voltage1-Max | — | — | 3.3495 V | — |
| Output Voltage1-Min | — | — | 3.2505 V | — |
| Output Voltage1-Nom | — | — | 3.3 V | — |
| Packing Method | — | — | TR | TR, 7 INCH |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Voltage Tolerance-Max | — | — | 1.5% | — |
| Color | — | — | — | RED/GREEN/BLUE |
| Configuration | — | — | — | SEPARATE, 3 ELEMENTS |
| Forward Current-Max | — | — | — | 0.02 A |
| Forward Voltage-Max | — | — | — | 2.4 V |
| Lens Type | — | — | — | DIFFUSED |
| Luminous Intensity-Nom | — | — | — | 627.5/1570.0/267.5 mcd |
| Mounting Feature | — | — | — | SURFACE MOUNT |
| Optoelectronic Device Type | — | — | — | TRIPLE COLOR LED |
| Overall Height | — | — | — | 1.45 mm |
| Peak Wavelength | — | — | — | 630/518/465 nm |
| Shape | — | — | — | SQUARE |
| Size | — | — | — | 2.2 mm |
| Viewing Angle | — | — | — | 120 deg |
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 3 alternatives for LM399H — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM399H 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 LM399H 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.
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FAQ
What is equivalent to LM399H?
Known equivalents for LM399H include TL431CZ, AP2112K-3.3TRG1, LTST-G683GEBW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM399H?
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 LM399H 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.