SCD7805ACTG Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The SCD7805ACTG is a linear voltage regulator IC manufactured by onsemi, designed to provide a fixed positive 5V output at 1A current capacity in a TO-220-3 package. This device is classified as obsolete, which necessitates identification of active equivalent alternatives for new designs and production requirements. The part operates across an input voltage range up to 35V with a maximum dropout voltage of 2V at 1A, making it suitable for standard 5V power supply applications requiring moderate current delivery.

Substiute Parts

SCD7805ACTG

onsemiIn Stock: 1501SCD7805ACTG Datasheet

Current PartRFQ

MC7805ACTG

onsemiIn Stock: 6928MC7805ACTG Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCD7805ACTG is determined by strict equivalence across the following critical parameters:

• Fixed output voltage of 5V
• Output current capacity of 1A
• Maximum input voltage of 35V
• TO-220-3 package configuration
• Through-hole mounting compatibility
• Operating temperature range of 0°C ~ 125°C
• PSRR specification of 83dB (120Hz)

The MC7805ACTG qualifies as a direct substitute based on identical electrical specifications and package configuration. Both devices maintain the same output voltage, current rating, input voltage tolerance, and thermal operating range. The primary distinction is product status: the SCD7805ACTG is obsolete while the MC7805ACTG remains active in production.

Parameter Comparison

Engineering Selection Recommendations

The MC7805ACTG is the direct equivalent substitute for the SCD7805ACTG. Both devices are manufactured by onsemi and maintain identical electrical and mechanical specifications across all critical parameters. The MC7805ACTG is preferred for new designs and production applications due to its active product status, ensuring continued availability and supply chain reliability. Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for industrial and commercial applications. The TO-220-3 package configuration is identical, permitting direct board-level substitution without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the MC7805ACTG be used as a direct replacement for the SCD7805ACTG in existing designs?

A: Yes. The MC7805ACTG is electrically and mechanically equivalent to the SCD7805ACTG. All critical parameters including output voltage, current rating, input voltage tolerance, package type, and operating temperature range are identical. Direct substitution is possible without circuit modifications.

Q: What is the primary reason for substituting the SCD7805ACTG?

A: The SCD7805ACTG is classified as obsolete. The MC7805ACTG is the active production equivalent, ensuring long-term availability and supply chain continuity.

Q: Are there any differences in protection features between these devices?

A: The SCD7805ACTG includes over current and over temperature protection. The MC7805ACTG includes over temperature and short circuit protection. Both devices provide thermal protection; the specific protection mechanism differs but does not affect functional equivalence for standard 5V regulator applications.

Q: Is the TO-220-3 package identical for both parts?

A: Yes. Both the SCD7805ACTG and MC7805ACTG use the TO-220-3 package configuration with through-hole mounting. PCB footprints and thermal management considerations are identical.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both the SCD7805ACTG and MC7805ACTG are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for industrial and commercial electronics applications.