PS2561-1-M-A Equivalent & Substitute Parts

Part Overview

The PS2561-1-M-A is an optoisolator with transistor output manufactured by Renesas Electronics Corporation. This component provides 5000Vrms isolation in a single-channel configuration, designed for applications requiring galvanic isolation between input and output circuits. The part is currently active in production with full inventory availability. Substitute parts may be required due to supply constraints, packaging preferences, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

PS2561-1-M-A
Renesas Electronics CorporationIn Stock: 1103PS2561-1-M-A Datasheet
PS2561-1-M-A
Current Part
PS2501-1-M-A
Renesas Electronics CorporationIn Stock: 4803PS2501-1-M-A Datasheet
PS2501-1-M-A
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Part Number PS2561-1-M-A
Manufacturer Renesas Electronics Corporation
Category Optoisolators
Number of Channels 1
Voltage - Isolation 5000Vrms
Current Transfer Ratio (Min) 80% @ 5mA
Current Transfer Ratio (Max) 240% @ 5mA
Rise / Fall Time (Typ) 3µs, 5µs
Input Type DC
Output Type Transistor
Voltage - Output (Max) 80V
Current - Output / Channel 50mA
Voltage - Forward (Vf) (Typ) 1.17V
Current - DC Forward (If) (Max) 80mA
Vce Saturation (Max) 300mV
Operating Temperature -55°C ~ 100°C
Mounting Type Through Hole
Package / Case 4-DIP (0.300", 7.62mm)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Affected
Product Status Active

Substitute Part Grouping Explanation

The PS2501-1-M-A qualifies as a parametric equivalent to the PS2561-1-M-A based on the following critical substitution criteria:

Electrical Parameters Match:

  • Isolation voltage: 5000Vrms (identical)
  • Number of channels: 1 (identical)
  • Current transfer ratio: 80% - 240% @ 5mA (identical)
  • Rise / Fall time: 3µs, 5µs (identical)
  • Input type: DC (identical)
  • Output type: Transistor (identical)
  • Maximum output voltage: 80V (identical)
  • Output current per channel: 50mA (identical)
  • Forward voltage: 1.17V (identical)
  • Maximum DC forward current: 80mA (identical)
  • Vce saturation: 300mV (identical)
  • Operating temperature range: -55°C ~ 100°C (identical)

Mechanical Parameters Match:

  • Mounting type: Through Hole (identical)
  • Package / Case: 4-DIP (0.300", 7.62mm) (identical)

Compliance & Status:

  • Both parts are manufactured by Renesas Electronics Corporation
  • Both are ROHS3 compliant
  • Both have MSL rating of 1 (Unlimited)
  • Both are REACH affected
  • Both maintain Active product status

The primary difference is packaging format: PS2561-1-M-A is supplied without specified packaging, while PS2501-1-M-A is supplied in Tube packaging.

Parameter Comparison

Parameter PS2561-1-M-A PS2501-1-M-A Match
Manufacturer Renesas Electronics Corporation Renesas Electronics Corporation
Number of Channels 1 1
Voltage - Isolation 5000Vrms 5000Vrms
Current Transfer Ratio (Min) 80% @ 5mA 80% @ 5mA
Current Transfer Ratio (Max) 240% @ 5mA 240% @ 5mA
Rise / Fall Time (Typ) 3µs, 5µs 3µs, 5µs
Input Type DC DC
Output Type Transistor Transistor
Voltage - Output (Max) 80V 80V
Current - Output / Channel 50mA 50mA
Voltage - Forward (Vf) (Typ) 1.17V 1.17V
Current - DC Forward (If) (Max) 80mA 80mA
Vce Saturation (Max) 300mV 300mV
Operating Temperature -55°C ~ 100°C -55°C ~ 100°C
Mounting Type Through Hole Through Hole
Package / Case 4-DIP (0.300", 7.62mm) 4-DIP (0.300", 7.62mm)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Affected REACH Affected
Product Status Active Active

Engineering Selection Recommendations

Both PS2561-1-M-A and PS2501-1-M-A are suitable for direct substitution in applications requiring single-channel optoisolation at 5000Vrms with transistor output. Selection between these parts should be based on:

Supply and Packaging Considerations:

  • PS2501-1-M-A is available in Tube packaging with higher inventory (4776 Pcs), suitable for production runs requiring standardized packaging formats
  • PS2561-1-M-A is available with lower inventory (1080 Pcs) and unspecified packaging format

Compliance Status: Both parts maintain identical compliance certifications (ROHS3, REACH affected) and are classified as Active products by Renesas Electronics Corporation, ensuring long-term availability and support.

Application Compatibility: The identical electrical and mechanical specifications ensure pin-for-pin compatibility and functional equivalence in all circuit applications. No design modifications are required when substituting between these parts.

Frequently Asked Questions (FAQ)

Q: Can PS2501-1-M-A be used as a direct replacement for PS2561-1-M-A?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including isolation voltage, current transfer ratio, output characteristics, and package dimensions. No circuit modifications are required.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by matching: isolation voltage (5000Vrms), number of channels (1), current transfer ratio range (80%-240% @ 5mA), output type (Transistor), maximum output voltage (80V), output current (50mA), operating temperature range (-55°C ~ 100°C), and package type (4-DIP).

Q: Are there differences in packaging between these parts?

A: PS2561-1-M-A has unspecified packaging, while PS2501-1-M-A is supplied in Tube packaging. Both use identical 4-DIP (0.300", 7.62mm) component packages suitable for through-hole mounting.

Q: Do both parts meet the same compliance standards?

A: Yes. Both PS2561-1-M-A and PS2501-1-M-A are ROHS3 compliant, REACH affected, and maintain MSL rating of 1 (Unlimited). Both are Active products from Renesas Electronics Corporation.

Q: What is the current transfer ratio specification for these optoisolators?

A: Both parts specify a current transfer ratio of 80% minimum to 240% maximum at 5mA input current, ensuring consistent optical coupling efficiency across the specified operating range.

Q: Are these parts suitable for high-speed switching applications?

A: Both parts have rise and fall times of 3µs and 5µs respectively, making them suitable for applications requiring moderate switching speeds within the specified timing parameters.

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