PS8802-1-F3-AX Optoisolator Equivalent & Substitute Parts

Part Overview

The PS8802-1-F3-AX is a single-channel optoisolator with transistor output, rated for 2500Vrms isolation voltage. This component is designed for applications requiring galvanic isolation in DC input circuits with transistor-based output switching. The original manufacturer part (CEL) is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Isolation Voltage	2500Vrms
Number of Channels	1
Output Type	Transistor
Current Transfer Ratio (Min)	15% @ 16mA
Current Transfer Ratio (Max)	45% @ 16mA
Turn On Time (Typ)	300ns
Turn Off Time (Typ)	600ns
Maximum Output Voltage	35V
Output Current per Channel	8mA
Forward Voltage (Vf) Typical	1.7V
Maximum DC Forward Current	25mA
Operating Temperature Range	-55°C to 100°C
Package Type	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Input Type	DC

Substitute Part Grouping Explanation

Substitution of the PS8802-1-F3-AX is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Isolation voltage: 2500Vrms
Number of channels: 1
Output type: Transistor
Current transfer ratio range: 15% to 45% @ 16mA
Switching times: 300ns turn-on, 600ns turn-off
Maximum output voltage: 35V
Output current capacity: 8mA per channel
Package: 8-SOIC surface mount
Input type: DC
Operating temperature range: -55°C to 100°C

The PS8802-1-F3-AX from Renesas Electronics Corporation meets all specified parameters and qualifies as a parametric equivalent. Both parts share identical electrical characteristics, thermal specifications, and physical packaging, enabling direct substitution in circuit designs.

Parameter Comparison

Parameter	PS8802-1-F3-AX (CEL)	PS8802-1-F3-AX (Renesas)	Match Status
Manufacturer	CEL	Renesas Electronics Corporation	Different Manufacturer
Isolation Voltage	2500Vrms	2500Vrms	Equivalent
Number of Channels	1	1	Equivalent
Output Type	Transistor	Transistor	Equivalent
Current Transfer Ratio (Min)	15% @ 16mA	15% @ 16mA	Equivalent
Current Transfer Ratio (Max)	45% @ 16mA	45% @ 16mA	Equivalent
Turn On Time (Typ)	300ns	300ns	Equivalent
Turn Off Time (Typ)	600ns	600ns	Equivalent
Maximum Output Voltage	35V	35V	Equivalent
Output Current per Channel	8mA	8mA	Equivalent
Forward Voltage (Vf) Typical	1.7V	1.7V	Equivalent
Maximum DC Forward Current	25mA	25mA	Equivalent
Operating Temperature Range	-55°C to 100°C	-55°C to 100°C	Equivalent
Package Type	8-SOIC	8-SOIC	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Input Type	DC	DC	Equivalent
Product Status	Discontinued at DiGi Electronics	Active	Substitute Available
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
ECCN	EAR99	EAR99	Equivalent

Engineering Selection Recommendations

The PS8802-1-F3-AX from Renesas Electronics Corporation is the direct parametric equivalent for the discontinued CEL PS8802-1-F3-AX. Selection is based on the following factors:

Product Status: The Renesas variant maintains active product status, ensuring ongoing availability and supply chain continuity. The original CEL part is discontinued, making the Renesas equivalent the appropriate replacement.

Compliance Certifications: Both parts maintain identical RoHS3 compliance and REACH unaffected status, satisfying regulatory requirements for new designs and legacy system updates. Export classification (EAR99) remains unchanged.

Electrical Equivalence: All critical electrical parameters—isolation voltage, current transfer ratio, switching times, output voltage and current ratings, and operating temperature range—are identical between the two parts. This ensures functional compatibility without circuit redesign.

Physical Compatibility: Both parts use the 8-SOIC surface mount package with identical dimensions (0.154", 3.90mm width), enabling direct PCB footprint compatibility.

Packaging Availability: The Renesas part is available in Cut Tape (CT) packaging, supporting both prototype and production volume requirements.

Frequently Asked Questions (FAQ)

Q: Can the Renesas PS8802-1-F3-AX directly replace the CEL PS8802-1-F3-AX without circuit modifications?

A: Yes. All electrical parameters, switching characteristics, and physical packaging are identical. Direct substitution is supported without circuit redesign or PCB layout changes.

Q: What are the critical parameters that define substitution eligibility for this optoisolator?

A: Substitution requires matching isolation voltage (2500Vrms), channel count (1), output type (transistor), current transfer ratio range (15-45% @ 16mA), switching times (300ns/600ns), maximum output voltage (35V), output current (8mA), package type (8-SOIC), and operating temperature range (-55°C to 100°C).

Q: Does the Renesas part meet the same regulatory compliance as the original CEL part?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes. Regulatory compliance is maintained across the substitution.

Q: Are there any differences in packaging options between the two manufacturers?

A: The Renesas PS8802-1-F3-AX is supplied in Cut Tape (CT) packaging. Both parts use the same 8-SOIC surface mount package type with identical physical dimensions.

Q: What is the product status difference between the two parts?

A: The CEL PS8802-1-F3-AX is discontinued at DiGi Electronics. The Renesas PS8802-1-F3-AX maintains active product status, ensuring continued availability for new orders and production requirements.

Q: Are the forward voltage and DC forward current specifications identical?

A: Yes. Both parts specify 1.7V typical forward voltage and 25mA maximum DC forward current, confirming input circuit compatibility.

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