L4981BDAlternatives & Equivalent Parts
About L4981BD
L4981BD is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | L4981BDSource | L4981AD |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Package Type | Small Outline Packages | Small Outline Packages |
| Pin Count | 20 | 20 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $1.4901 | $2.1331 |
| Electrical Parameters | ||
| Factory Lead Time | 25 Weeks | 25 Weeks |
| YTEOL | 6.2 | 6.2 |
| Analog IC - Other Type | POWER FACTOR CONTROLLER | POWER FACTOR CONTROLLER |
| Control Mode | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 19.5 V | 19.5 V |
| Input Voltage-Min | 11 V | 11 V |
| Input Voltage-Nom | 18 V | 18 V |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 |
| Number of Functions | 1 | 1 |
| Output Current-Max | 2 A | 2 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified |
| Surface Mount | YES | YES |
| Switcher Configuration | SINGLE | SINGLE |
| Switching Frequency-Max | 115 kHz | 115 kHz |
| Technology | BCDMOS | BCDMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for L4981BD 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 L4981BD 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 L4981BDFAQ
What is equivalent to L4981BD?
Known equivalents for L4981BD include L4981AD. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4981BD?
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 L4981BD 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.