# LD2981ABU33TR (Component)
## Description
Linear Voltage Regulators (LDO)
LD2981ABU33TR
SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR
LCSC Part Number: C221514
JLCPCB Part Class: Extended Part
Manufactured by ST(意法半导体)
## Component Details
- **Owner:** lcsc
- **Created:** 11/2/2024
- **Last Updated:** 4/29/2025
- **Visibility:** Public
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-LD2981ABU33TR_C221514.pdf
- **JLCPCB Part Class:** Extended Part
- **Product Info Url:** https://lcsc.com/product-detail/Others_STMicroelectronics_LD2981ABU33TR_STMicroelectronics-LD2981ABU33TR_C221514.html
- **Part Type:** Linear Voltage Regulators (LDO)
- **LCSC Part Number:** C221514
- **Manufacturer Name:** ST(意法半导体)
- **Package or Case Code:** SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR
- **Manufacturer Part Number:** LD2981ABU33TR
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ld2981abu33tr/stmicroelectronics.html?utm_currency=USD®ion=europe) | $0.2753 | 211 |
| [Digi-Key](https://www.digikey.com/en/products/detail/stmicroelectronics/LD2981ABU33TR/591626) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C221514.html) | $0.6261 | 16 |
| [Mouser](https://www.mouser.com/en/ProductDetail/STMicroelectronics/LD2981ABU33TR?qs=1OhPZrgumbmBIvYeukN1Rg%3D%3D) | $0.64 | 8.3K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=LD2981ABU33TR) | $0.511 | 2.5K |
| [Verical](https://www.verical.com/pd/stmicroelectronics-linear-regulator-LD2981ABU33TR-130272?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Power Management
- **Manufacturer:** STMicroelectronics
- **MPN:** LD2981ABU33TR
- **Mount Type:** PCB
- **Package / Case Code:** 89-SOT
- **Pin Count:** 3
- **Logic Function:** Regulator
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | VOUT | |
| 2 | GND | |
| 3 | VIN | |
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*Generated from [https://www.flux.ai/lcsc/ld2981abu33tr~2pbt](https://www.flux.ai/lcsc/ld2981abu33tr~2pbt)*