LM78S40CN/NOPBAlternatives & Equivalent Parts
About LM78S40CN/NOPB
LM78S40CN/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM78S40CN/NOPBSource | REF3030AIDBZT | LM78S40CN |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Other | Dual-In-Line Packages |
| Pin Count | 16 | 3 | 16 |
| Temperature Range | -55.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | ~ 70.0°C |
| Price | $1.2100 | $0.2203 | $0.6000 |
| Electrical Parameters | |||
| YTEOL | 15 | 15 | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR | THREE TERMINAL VOLTAGE REFERENCE | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | — | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40 V | 5.5 V | 40 V |
| Input Voltage-Min | 2.5 V | 1.8 V | 2.5 V |
| Input Voltage-Nom | 5 V | — | 5 V |
| JESD-30 Code | R-PDIP-T16 | R-PDSO-G3 | R-PDIP-T16 |
| JESD-609 Code | e3 | e4 | — |
| Number of Functions | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | — |
| Output Current-Max | 1.5 A | — | 1.5 A |
| Output Voltage-Max | 40 V | 3.006 V | 40 V |
| Output Voltage-Min | 1.245 V | 2.994 V | 1.25 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | TO-236 | DIP16,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Supply Current-Max (Isup) | 2 mA | — | 5.5 mA |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | — |
| Surface Mount | NO | YES | NO |
| Switcher Configuration | BUCK-BOOST | — | BOOST |
| Switching Frequency-Max | 100 kHz | — | 100 kHz |
| Technology | BIPOLAR | CMOS | BIPOLAR |
| Temperature Grade | MILITARY | AUTOMOTIVE | COMMERCIAL |
| Terminal Finish | Matte Tin (Sn) | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | — |
| Terminal Form | THROUGH-HOLE | GULL WING | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 0.95 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| ## LM78S40CN/NOPB Alternates Showing results | Image | — | — |
| Pbfree Code | — | Yes | No |
| Output Voltage-Nom | — | 3 V | — |
| Peak Reflow Temperature (Cel) | — | 260 | — |
| Supply Voltage-Max (Vsup) | — | 5.5 V | — |
| Supply Voltage-Min (Vsup) | — | 3.05 V | — |
| Temp Coef of Voltage-Max | — | 75 ppm/°C | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | — |
| Trim/Adjustable Output | — | NO | — |
| Voltage Tolerance-Max | — | 0.2% | — |
| ## REF3030AIDBZT Alternates Showing results | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for LM78S40CN/NOPB 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 LM78S40CN/NOPB 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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Request Alternatives for LM78S40CN/NOPBFAQ
What is equivalent to LM78S40CN/NOPB?
Known equivalents for LM78S40CN/NOPB include REF3030AIDBZT, LM78S40CN. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM78S40CN/NOPB?
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 LM78S40CN/NOPB 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.