PS2565L-1 Optoisolator Equivalent & Substitute Parts

Part Overview

The PS2565L-1 is a 5000Vrms isolation optoisolator with transistor output, manufactured by CEL in 4-SMD surface mount package. This component is classified as obsolete product status. Due to obsolescence and limited availability, equivalent and substitute parts from active manufacturers are required for new designs and production continuity. The following parts maintain electrical and mechanical compatibility within the optoisolator category.

Key Parameters

Parameter	Value
Voltage - Isolation	5000Vrms
Number of Channels	1
Output Type	Transistor
Current Transfer Ratio (Min)	80% @ 5mA
Current Transfer Ratio (Max)	400% @ 5mA
Voltage - Output (Max)	80V
Current - Output / Channel	50mA
Vce Saturation (Max)	300mV
Operating Temperature	-55°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Input Type	AC, DC

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on electrical and mechanical parameter alignment:

Direct Manufacturer Equivalent (PS2565L-1-A): Identical electrical specifications including 5000Vrms isolation, 80-400% current transfer ratio at 5mA, 80V maximum output voltage, and 50mA output current. Maintains 4-SMD Gull Wing package and -55°C to 100°C operating range. Differs only in manufacturer (Renesas Electronics Corporation) and product status (Active vs. Obsolete).

Parametric Equivalents (PS2565L-1-K-A, PS2565L-1-V-A, PS2565L-1Y-A, PS2565L-1Y-V-A, PS2565L2-1-A, PS2565L2-1-V-A, PS2565L2-1Y-A, PS2565L2-1Y-V-A): All maintain identical core electrical parameters: 5000Vrms isolation, 1 channel, transistor output, 80-400% current transfer ratio at 5mA, 80V maximum output, 50mA output current, 300mV Vce saturation, and 4-SMD Gull Wing package. Variations exist in packaging format (Tube vs. Tape & Reel) and RoHS/REACH compliance status.

Similar Manufacturer Parts (LTV-814HS, LTV-814HS-TA1): Manufactured by Lite-On Inc., these parts share 5000Vrms isolation, 1 channel, transistor output, and 4-SMD Gull Wing package. Electrical differences include lower current transfer ratio (20-80% @ 100mA vs. 80-400% @ 5mA), reduced maximum output voltage (35V vs. 80V), higher output current capability (80mA vs. 50mA), and narrower operating temperature range (-30°C to 100°C vs. -55°C to 100°C).

Parameter Comparison

Part Number	Manufacturer	Isolation Voltage	CTR Min @ Test	CTR Max @ Test	Vout Max	Iout / Channel	Vce Sat Max	Temp Range	Package	Product Status	RoHS Status
PS2565L-1	CEL	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Obsolete	Non-compliant
PS2565L-1-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L-1-K-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L-1-V-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L-1Y-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L-1Y-V-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L2-1-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L2-1-V-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L2-1Y-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
PS2565L2-1Y-V-A	Renesas Electronics	5000Vrms	80% @ 5mA	400% @ 5mA	80V	50mA	300mV	-55°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
LTV-814HS	Lite-On Inc.	5000Vrms	20% @ 100mA	80% @ 100mA	35V	80mA	200mV	-30°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant
LTV-814HS-TA1	Lite-On Inc.	5000Vrms	20% @ 100mA	80% @ 100mA	35V	80mA	200mV	-30°C ~ 100°C	4-SMD, Gull Wing	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: PS2565L-1-A from Renesas Electronics Corporation is the direct equivalent for PS2565L-1. This part maintains all electrical specifications, package configuration, and operating parameters while offering Active product status and ROHS3 compliance. Selection of PS2565L-1-A eliminates obsolescence risk and provides regulatory compliance for new designs.

Secondary Recommendations: PS2565L-1-K-A, PS2565L-1-V-A, PS2565L-1Y-A, PS2565L-1Y-V-A, PS2565L2-1-A, PS2565L2-1-V-A, PS2565L2-1Y-A, and PS2565L2-1Y-V-A from Renesas Electronics Corporation are parametric equivalents with identical electrical performance. These parts differ in packaging format (Tube vs. Tape & Reel) and REACH compliance designation. Selection among these variants depends on procurement requirements and supply chain specifications.

Alternative Consideration: LTV-814HS and LTV-814HS-TA1 from Lite-On Inc. are similar parts with 5000Vrms isolation and 4-SMD package. These alternatives exhibit reduced current transfer ratio (20-80% @ 100mA), lower maximum output voltage (35V), higher output current capability (80mA), and narrower operating temperature range (-30°C to 100°C). Selection of Lite-On alternatives requires circuit-level verification that reduced CTR and output voltage specifications do not compromise application performance.

Frequently Asked Questions (FAQ)

Q: Can PS2565L-1-A be used as a direct replacement for PS2565L-1?

A: Yes. PS2565L-1-A maintains identical electrical specifications including 5000Vrms isolation, 80-400% current transfer ratio at 5mA, 80V maximum output voltage, 50mA output current, and 4-SMD Gull Wing package. The primary difference is manufacturer (Renesas vs. CEL) and product status (Active vs. Obsolete).

Q: What is the difference between PS2565L-1-A and PS2565L-1-V-A?

A: Both parts share identical electrical parameters. The suffix "-V-" indicates a packaging or qualification variant. Consult manufacturer datasheets for specific packaging format and certification differences.

Q: Are the Renesas PS2565L2 series parts compatible with PS2565L-1?

A: Yes. PS2565L2-1-A, PS2565L2-1-V-A, PS2565L2-1Y-A, and PS2565L2-1Y-V-A maintain all electrical specifications of PS2565L-1 including isolation voltage, current transfer ratio, output voltage, and output current. Differences exist in packaging format and compliance certifications.

Q: Can LTV-814HS replace PS2565L-1 in all applications?

A: LTV-814HS shares 5000Vrms isolation and 4-SMD package but exhibits different electrical characteristics. Current transfer ratio is lower (20-80% @ 100mA vs. 80-400% @ 5mA), maximum output voltage is reduced (35V vs. 80V), and operating temperature range is narrower (-30°C to 100°C vs. -55°C to 100°C). Circuit-level verification is required before substitution.

Q: What is the difference between Tube and Tape & Reel packaging?

A: Tube packaging is used for manual assembly and small-volume production. Tape & Reel packaging is used for automated assembly and high-volume production. Electrical specifications remain identical. Selection depends on manufacturing process requirements.

Q: Are all substitute parts RoHS compliant?

A: All Renesas Electronics substitute parts (PS2565L-1-A and variants) are ROHS3 compliant. Lite-On alternatives (LTV-814HS and LTV-814HS-TA1) are also ROHS3 compliant. The original PS2565L-1 is RoHS non-compliant.

Q: What does REACH Affected vs. REACH Unaffected mean?

A: REACH Affected indicates the part contains substances subject to REACH regulation. REACH Unaffected indicates the part does not contain regulated substances. Both designations are provided in the specification data; selection depends on regulatory requirements for the end application.

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