Manufacturer: STMicroelectronics
Win Source Part Number: 002259-L4940D2T12-TR
Packaging: Reel - TR
Mounting: SMD (SMT)
Regulator Topology: Positive Fixed
Voltage - Dropout (Typical): 0.5V @ 1.5A
Number of Regulators: 1
Output Type: Fixed
Output Current: 1.5A
Output Voltage: 12V
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 150°C
Case / Package: D2PAK
Maximum Input Voltage: 17V
Nominal Output Voltage (Min/Fixed): 12V
Dropout Voltage-Max: 0.9V @ 1.5A
Operating Supply Current: 8mA to 50mA
PSRR: 61dB (120Hz)
Control Protection Features: Over Temperature, Reverse Polarity, Short Circuit
Alternative Parts (Cross-Reference): PQ120RDA2SZH; TS178RL12CP5 RO; L4940D2T12;
Popularity: Medium
Fake Threat In the Open Market: 62 pct.
Supply and Demand Status: Balance
12V 1.5A LDO Voltage Regulator, TO-263, 17V In, 500mV Drop Product overview: L4940D2T12-TR 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, 12V, 1.5A, 17V. Search-friendly keywords include voltage regulator, LDO, buck converter, boost converter, power rail, 12V, 1.5A, 17V, 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-L4940D2T12-TR can be used for catalog matching and distributor lookup.
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| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|
| Product Category | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Voltage Regulators | IC Linear Voltage Regulators | IC Linear Voltage Regulators |
| Product Number | 002259-L4940D2T12-TR | 776-L4940D2T12-TR | 497-6430-2-ND | L4940D2T12-TR | L4940D2T12-TR | L4940D2T12-TR |
| Product Name | PMIC - PMIC - Voltage Regulators - Linear - L4940D2T12-TR | 12V 1.5A 17V LDO Voltage Regulator IC | Voltage Regulators - Linear, Low Drop Out (LDO) Regulators | Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | LDO Voltage Regulators |
| Regulator Type | Low Dropout | Standard | ||||
| Output Polarity | Positive | Positive | ||||
| Output Voltage Type | Fixed; Fixed | Fixed | Fixed | |||
| Package Type | Other; D2PAK | Other; TO-263 | TO-263; Other; TO-263-3, D2PAK (2 Leads + Tab), TO-263AB | TO-263 | ||
| Life Cycle Stage | Maturity; Active |