PS2801C-1-A Equivalent & Substitute Parts

Part Overview

The PS2801C-1-A is a 2500Vrms optoisolator with transistor output, single channel configuration in 4-SOIC surface mount package. This component is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute parts for ongoing design support and procurement. The part operates across -55°C to 100°C and delivers 30mA output current with 50-400% current transfer ratio at 5mA input.

Substiute Parts

PS2801C-1-A

CELIn Stock: 1198PS2801C-1-A Datasheet

Current PartRFQ

PS2801C-1-V-F3-A

Renesas Electronics CorporationIn Stock: 3026PS2801C-1-V-F3-A Datasheet

SimilarRFQ

TCMT1106

Vishay Semiconductor Opto DivisionIn Stock: 4173TCMT1106 Datasheet

SimilarRFQ

PS2801C-1-A

Renesas Electronics CorporationIn Stock: 7093PS2801C-1-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of optoisolator components is determined by strict equivalence across isolation voltage, channel count, output type, current transfer ratio range, maximum output current, maximum output voltage, operating temperature range, and package form factor. The PS2801C-1-A substitutes are grouped into two categories:

Category 1: Direct Parametric Equivalents - Parts matching all critical electrical parameters and package specifications, differing only in manufacturer, product status, or packaging format.

Category 2: Enhanced Performance Substitutes - Parts exceeding minimum specifications in isolation voltage, current transfer ratio, or output current while maintaining package compatibility and operating temperature range.

Critical parameters for substitution validation:

• Isolation voltage: 2500Vrms minimum
• Single channel transistor output
• 4-SOIC package footprint
• Current transfer ratio: 50% minimum @ 5mA
• Output current: 30mA minimum
• Output voltage: 80V minimum
• Operating temperature: -55°C to 100°C minimum range

Parameter Comparison

Engineering Selection Recommendations

PS2801C-1-V-F3-A (Renesas Electronics Corporation) is the primary substitute for PS2801C-1-A. This part maintains identical electrical specifications across isolation voltage, current transfer ratio, timing characteristics, and output parameters. The component is in Active product status with 2933 units in stock. Packaging is supplied as Tape & Reel (TR), suitable for automated assembly processes. All compliance certifications match the original part: ROHS3 Compliant, REACH Unaffected, MSL 1 (Unlimited).

TCMT1106 (Vishay Semiconductor Opto Division) functions as an enhanced performance substitute. This part exceeds the original specification in isolation voltage (3750Vrms vs. 2500Vrms), minimum current transfer ratio (100% vs. 50% @ 5mA), and maximum output current (50mA vs. 30mA). The TCMT1106 is in Active product status with 4108 units in stock. Operating temperature range is -40°C to 100°C, which does not extend to -55°C. Maximum output voltage is 70V, below the 80V specification of PS2801C-1-A. Packaging is supplied as Cut Tape (CT) & Digi-Reel®. This substitute is applicable where the reduced low-temperature operating range and lower output voltage do not conflict with circuit requirements.

PS2801C-1-A (Renesas Electronics Corporation) is a parametric equivalent with identical electrical specifications. Product status is Not For New Designs, indicating this part is in end-of-life phase. Packaging is supplied as Strip. This option is suitable only for maintenance and repair of existing equipment where design changes are not feasible.

Frequently Asked Questions (FAQ)

Q: Can PS2801C-1-V-F3-A directly replace PS2801C-1-A in existing designs?

A: Yes. PS2801C-1-V-F3-A is a direct parametric equivalent with identical isolation voltage (2500Vrms), current transfer ratio (50-400% @ 5mA), output current (30mA), output voltage (80V), and operating temperature range (-55°C to 100°C). The 4-SOIC package footprint is identical. Tape & Reel packaging is standard for production assembly.

Q: What are the limitations of TCMT1106 as a substitute?

A: TCMT1106 has two specification differences: operating temperature range is -40°C to 100°C (does not extend to -55°C), and maximum output voltage is 70V (versus 80V for PS2801C-1-A). These differences must be evaluated against circuit requirements. TCMT1106 offers superior isolation voltage (3750Vrms), higher minimum current transfer ratio (100%), and higher output current (50mA).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. PS2801C-1-V-F3-A, TCMT1106, and PS2801C-1-A (Renesas) are all ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status.

Q: What is the difference between 4-SOIC and 4-SSOP package designations?

A: Both designations refer to the same 4-pin surface mount package with 0.173" (4.40mm) width. 4-SOIC and 4-SSOP are equivalent package forms used interchangeably by different manufacturers and suppliers.

Q: Why is PS2801C-1-A (Renesas) marked "Not For New Designs"?

A: This designation indicates the part is in end-of-life phase and Renesas does not recommend its use in new product designs. Existing inventory is available for maintenance and repair applications only.

Q: What inventory levels are available for each substitute?

A: PS2801C-1-V-F3-A has 2933 units in stock. TCMT1106 has 4108 units in stock. PS2801C-1-A (Renesas) has 7075 units in stock. PS2801C-1-A (CEL) original part has 1096 units in stock.