ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC REG LINEAR 12V 1.2A TO220
- Series：L78xx
- Mfr：UMW
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：12V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：1.2A
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：-
- Control Features：-
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 105°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
Download product information
Overview
The UMW L7812CV is a positive linear voltage regulator within the L78xx series, designed for fixed 12V output applications. It supports an output current of up to 1.5A and operates with an input voltage range from 14V to 35V. The device features internal thermal overload protection and short-circuit limiting to ensure reliability under fault conditions. Packaged in TO-220-3 through-hole housing, it maintains operation across a temperature range of -40°C to 105°C. Static current consumption is specified at 6mA, contributing to efficient standby performance.
Feature Summary
- Fixed 12V output regulation for stable power supply
- Internal thermal overload and short-circuit protection
- Through-hole TO-220-3 package for easy mounting
Applications
- General-purpose power supply circuits
- Embedded system voltage regulation
- Industrial control equipment power stages
Procurement Notes
Verify the manufacturer marking matches UMW specifications upon receipt. Confirm the package type is TO-220-3 and pinout alignment matches standard L78xx layouts. Check for physical damage to leads before soldering. Ensure storage conditions prevent moisture absorption despite MSL rating. Validate part number authenticity against official distributor channels.
Selection Notes
Select this component when a fixed 12V output is required with moderate current demands up to 1.5A. Consider the thermal dissipation requirements due to linear regulation efficiency. Compare input voltage headroom against minimum dropout specifications. Evaluate PCB space availability for the TO-220-3 footprint. Assess operating temperature range compatibility with the final application environment.
Part Context
This regulator belongs to the widely adopted L78xx family of three-terminal positive linear regulators. These devices are known for simplicity and robustness in basic power management tasks. The UMW variant offers comparable electrical characteristics to industry-standard equivalents, providing a reliable solution for cost-sensitive designs requiring stable DC voltage conversion.
Replacement Considerations
Direct substitutes include other manufacturers' L7812CV or L7812ACV variants. Verify pinout compatibility and thermal resistance values before substitution. Ensure replacement parts meet the same 1.5A output current and 35V maximum input voltage ratings.
