STMicroelectronics LD2981ABU33TR Linear Controllers
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA SOT-89-3
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LD2981ABU33TR
Detailed Description
IC REG LINEAR 3.3V 100MA SOT89-3
Package
TO-243AA
Key Features
Package / Case: TO-243AA; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LD2981ABU33TR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics LD2981ABU33TR Linear Controllers technical specifications.
General
RoHS
Yes
Package / Case
TO-243AA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
16V
Current Supply Max
2.6 mA
Output Current
100mA
Quiescent Current
150 µA
Related Parts Comparison (LD2981ABU33TR vs LD2981CU33TR vs LD2981ABU50TR vs LD2981CU50TR)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Package / Case | TO-243AA | TO-243AA | TO-243AA | TO-243AA |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Current Supply Max | 2.6 mA | 2.6 mA | 2.6 mA | 2.6 mA |
| Grade | Industrial | Industrial | Industrial | Industrial |
| Max Input Voltage | 16V | 16V | 16V | 16V |
| Maximum Operating Temperature C | 125.0 | 125.0 | 125.0 | 125.0 |
| Minimum Operating Temperature C | -40.0 | -40.0 | -40.0 | -40.0 |
| Number of Regulators | 1 | 1 | 1 | 1 |
| Operating Range | Automotive | Automotive | Automotive | Automotive |
| 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
NCP711ASN330T1GonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA 5-TSOP
More Parts in Voltage Regulators - Linear
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.