Manufacturer: STMicroelectronics
Win Source Part Number: 018543-LD2981CU50TR
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.18V @ 100mA
Number of Regulators: 1
Output Type: Fixed
Output Current: 100mA
Output Voltage: 5V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 125°C
Case / Package: SOT-89-3
Maximum Input Voltage: 16V
Nominal Output Voltage (Min/Fixed): 5V
Dropout Voltage-Max: 0.375V @ 100mA
Operating Supply Current: 150μA to 2.6mA
PSRR: 63dB (1kHz)
Control Protection Features: Over Current, Over Temperature
Popularity: Medium
Fake Threat In the Open Market: 46 pct.
Supply and Demand Status: Balance
5V LDO Regulator, 100mA, 16V In, SOT-89, SM Product overview: LD2981CU50TR from STMicroelectronics is a LDO Voltage Regulator IC for stable power rails, DC-DC conversion, battery-powered electronics, automotive modules, and embedded power management. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include LDO, 5V, 100mA, 16V, SOT-89. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 5V, 100mA, 16V, LDO Voltage Regulator IC, Linear & Switching Voltage Regulators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 776-LD2981CU50TR can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | RS Components, Ltd. | RS Components, Ltd. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | LCSC Electronics Technology (HK) Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Voltage Regulators | IC Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | 018543-LD2981CU50TR | 776-LD2981CU50TR | 6868849 | 6868849P | 497-3484-2-ND | LD2981CU50TR | LD2981CU50TR | LD2981CU50TR | LD2981CU50TR |
| Product Name | PMIC - PMIC - Voltage Regulators - Linear - LD2981CU50TR | 5V 100mA 16V SOT-89 LDO Voltage Regulator IC | Voltage Regulators | Voltage Regulators | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | Power Supply Chip >> Linear Voltage Regulators (LDO) | LDO Voltage Regulators |
| Regulator Type | Low Dropout | Standard | Low Dropout | ||||||
| Output Polarity | Positive | Positive | Positive | ||||||
| Output Voltage Type | Fixed; Fixed | Fixed | Fixed | Fixed | Fixed | ||||
| Package Type | SOT89; Other; SOT-89-3 | Other; SOT-89 | SOT89; Other; Sot-89 | SOT89; Other; SOT-89 | Other; TO-243AA | SOT89 | |||
| Life Cycle Stage | Maturity; Active |
