PS2561L-1-F3-H-A Equivalent & Substitute Parts

Part Overview

The PS2561L-1-F3-H-A is a single-channel optoisolator with transistor output manufactured by CEL, designed for high-voltage isolation applications requiring 5000Vrms isolation rating. This component is classified as discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement requirements. The part operates with DC input and provides transistor output suitable for signal isolation in industrial and consumer electronics applications.

Key Parameters

Parameter	Value
Isolation Voltage	5000Vrms
Number of Channels	1
Output Type	Transistor
Current Transfer Ratio (Min)	80% @ 5mA
Current Transfer Ratio (Max)	160% @ 5mA
Maximum Output Voltage	80V
Maximum Output Current	50mA
Rise / Fall Time	3µs, 5µs
Operating Temperature Range	-55°C ~ 100°C
Package Type	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the PS2561L-1-F3-H-A is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Isolation voltage rating: 5000Vrms
Number of channels: 1
Output configuration: Transistor output
Current transfer ratio range: 80% to 160% @ 5mA
Maximum output voltage: 80V
Maximum output current per channel: 50mA
Rise and fall time specifications: 3µs and 5µs

Mechanical and Environmental Equivalence Criteria:

Surface mount package: 4-SMD, Gull Wing configuration
Operating temperature range: -55°C to 100°C
Moisture sensitivity level: 1 (Unlimited)
RoHS3 compliance
REACH unaffected status

The PS2501L-1-F3-H-A manufactured by Renesas Electronics Corporation meets all specified electrical and mechanical parameters, establishing it as a parametric equivalent for direct substitution.

Parameter Comparison

Parameter	PS2561L-1-F3-H-A (CEL)	PS2501L-1-F3-H-A (Renesas)	Match Status
Isolation Voltage	5000Vrms	5000Vrms	Equivalent
Number of Channels	1	1	Equivalent
Output Type	Transistor	Transistor	Equivalent
Current Transfer Ratio (Min)	80% @ 5mA	80% @ 5mA	Equivalent
Current Transfer Ratio (Max)	160% @ 5mA	160% @ 5mA	Equivalent
Maximum Output Voltage	80V	80V	Equivalent
Maximum Output Current	50mA	50mA	Equivalent
Voltage - Forward (Vf) (Typ)	1.17V	1.17V	Equivalent
Current - DC Forward (If) (Max)	80 mA	80 mA	Equivalent
Vce Saturation (Max)	300mV	300mV	Equivalent
Rise / Fall Time	3µs, 5µs	3µs, 5µs	Equivalent
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	Equivalent
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
Product Status	Discontinued at DiGi Electronics	Active	Substitute Available

Engineering Selection Recommendations

The PS2501L-1-F3-H-A from Renesas Electronics Corporation is the direct parametric equivalent for the discontinued PS2561L-1-F3-H-A. Selection of the PS2501L-1-F3-H-A is supported by the following factors:

Product Availability: The PS2501L-1-F3-H-A maintains active product status with 3150 units in stock, compared to the discontinued status of the original part.

Regulatory Compliance: Both parts maintain identical ROHS3 compliance and REACH unaffected status, ensuring regulatory requirements are met without modification to design documentation.

Electrical Performance: All electrical parameters including isolation voltage, current transfer ratio, output voltage and current ratings, and timing specifications are identical between the two parts.

Mechanical Compatibility: Both parts utilize identical 4-SMD Gull Wing surface mount packaging, enabling direct PCB layout compatibility without redesign.

Environmental Specifications: Operating temperature range and moisture sensitivity level are identical, confirming suitability for equivalent environmental applications.

Frequently Asked Questions (FAQ)

Q: Can the PS2501L-1-F3-H-A be used as a direct replacement for the PS2561L-1-F3-H-A without circuit modification?

A: Yes. The PS2501L-1-F3-H-A is a parametric equivalent with identical electrical specifications, output characteristics, and package configuration. Direct substitution is supported without circuit modification.

Q: Are there differences in the 4-SMD Gull Wing package between these parts?

A: No. Both parts use identical 4-SMD Gull Wing surface mount packaging. PCB footprints, solder pad configurations, and component placement are compatible.

Q: What is the significance of the different manufacturers (CEL vs. Renesas)?

A: Renesas Electronics Corporation is an active manufacturer with current production and inventory availability. CEL's PS2561L-1-F3-H-A is discontinued. The electrical and mechanical specifications are identical, making the Renesas part a suitable production alternative.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both the PS2561L-1-F3-H-A and PS2501L-1-F3-H-A are ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements.

Q: Is the current transfer ratio performance identical between these parts?

A: Yes. Both parts specify a current transfer ratio of 80% minimum to 160% maximum at 5mA input current, ensuring identical signal isolation performance.

Q: What is the operating temperature range for both parts?

A: Both parts operate across the identical temperature range of -55°C to 100°C, supporting equivalent thermal performance in industrial and consumer applications.

Q: Are there any differences in isolation voltage rating?

A: No. Both parts provide 5000Vrms isolation voltage, meeting identical high-voltage isolation requirements.

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