STMicroelectronics L4941BV Linear Controllers
Linear Voltage Regulator IC Positive Fixed 1 Output 1A TO-220
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4941BV
Detailed Description
IC REG LINEAR 5V 1A TO220AB
Package
TO-220-3
Key Features
Package / Case: TO-220-3; Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
L4941BV Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4941BV Linear Controllers technical specifications.
General
Package / Case
TO-220-3
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 150°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
16V
Current Supply Max
40 mA
Output Current
1A
Quiescent Current
8 mA
Output Configuration
Positive
Alternate Parts Comparison (L4941BV vs L78M12CV vs L78S15CV vs L7885CV)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-220-3 | TO-220-3 | TO-220-3 | TO-220-3 |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 150°C | 0°C ~ 125°C | 0°C ~ 150°C | 0°C ~ 125°C |
| Lifecycle Status | Active | Active | Active | Active |
| Max Input Voltage | 16V | 35V | 35V | 35V |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1A | 500mA | 2A | 1.5A |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Output Voltage | 5V | 12V | 15V | 8.5V |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Temperature, Short Circuit |
| PSRR | 68dB (120Hz) | 55dB (120Hz) | 46dB (120Hz) | 56dB (120Hz) |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC7805ABTGonsemiSimilaronsemi
Pin YesPkg YesElec Downgrade
5V LDO Regulator, 1A, TO-220, 3-Lead, Positive
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