# LD2981CU33TR (Component)

## Description

Linear Voltage Regulators \(LDO\)
LD2981CU33TR
SOT\-89\-3\_L4\.5\-W2\.5\-P1\.50\-LS4\.2\-BR
LCSC Part Number: C222133
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
- **Part Type:** Linear Voltage Regulators \(LDO\)
- **Package or Case Code:** SOT\-89\-3\_L4\.5\-W2\.5\-P1\.50\-LS4\.2\-BR
- **LCSC Part Number:** C222133
- **Product Info Url:** https://lcsc\.com/product\-detail/Others\_STMicroelectronics\_LD2981CU33TR\_STMicroelectronics\-LD2981CU33TR\_C222133\.html
- **Manufacturer Part Number:** LD2981CU33TR
- **JLCPCB Part Class:** Extended Part
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2304140030\_STMicroelectronics\-LD2981CU33TR\_C222133\.pdf
- **Manufacturer Name:** ST\(意法半导体\)

## 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/ld2981cu33tr/stmicroelectronics.html?utm_currency=USD&region=nac) | $0\.3224 | 900 |
| [LCSC](https://www.lcsc.com/product-detail/C222133.html) | $0\.4106 | 16 |
| [Mouser](https://www.mouser.com/en/ProductDetail/STMicroelectronics/LD2981CU33TR?qs=fLL80Z%252FaNye8SdlO8s%252F5sw%253D%253D) | $0\.75 | 4\.8K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=LD2981CU33TR) | $1\.04 | 2\.5K |
| [Verical](https://www.verical.com/pd/stmicroelectronics-linear-regulator-LD2981CU33TR-194275?utm_currency=USD) | N/A | N/A |

- **Part Type:** Integrated Circuits
- **Sub-Type:** Power Management
- **Manufacturer:** STMicroelectronics
- **MPN:** LD2981CU33TR
- **Mount Type:** PCB
- **Package / Case Code:** 89\-SOT
- **Pin Count:** 4
- **Logic Function:** Regulator
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | VOUT | Unspecified |
| 2 | GND | Unspecified |
| 2 | TAB | Unspecified |
| 3 | VIN | Unspecified |

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*Generated from [https://flux\.ai/lcsc/ld2981cu33tr\~lm3o](https://flux.ai/lcsc/ld2981cu33tr~lm3o)*