PC817X4NIP0F Equivalent & Substitute Parts

Part Overview

The PC817X4NIP0F is a single-channel optoisolator with transistor output, rated for 5000Vrms isolation voltage. Manufactured by SHARP/Socle Technology, this component is designed for applications requiring galvanic isolation in DC input circuits with transistor-based switching outputs. The part is discontinued at DiGi Electronics, making identification of equivalent alternatives necessary for ongoing design support and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	PC817X4NIP0F
Manufacturer	SHARP/Socle Technology
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	300% @ 5mA
Current Transfer Ratio (Max)	600% @ 5mA
Output Type	Transistor
Voltage - Output (Max)	80V
Current - Output / Channel	50mA
Vce Saturation (Max)	200mV
Operating Temperature	-30°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
RoHS Status	RoHS Compliant
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution of the PC817X4NIP0F is determined by strict equivalence across the following critical parameters:

Number of Channels: Must be 1 channel
Isolation Voltage: Minimum 5000Vrms (equal or higher acceptable)
Current Transfer Ratio: 300% minimum @ 5mA
Output Type: Transistor output
Maximum Output Voltage: 80V or higher
Maximum Output Current: 50mA or higher per channel
Vce Saturation: 200mV or lower
Operating Temperature Range: Must encompass -30°C to 100°C
Mounting Type: Surface Mount
Package: 4-SMD, Gull Wing configuration

The ISP817DXSMT/R meets all substitution criteria with equivalent or superior electrical characteristics and maintains identical mechanical compatibility.

Parameter Comparison

Parameter	PC817X4NIP0F	ISP817DXSMT/R	Status
Manufacturer	SHARP/Socle Technology	Isocom Components 2004 LTD	Different manufacturer
Number of Channels	1	1	Equivalent
Voltage - Isolation	5000Vrms	5300Vrms	Substitute exceeds specification
Current Transfer Ratio (Min)	300% @ 5mA	300% @ 5mA	Equivalent
Current Transfer Ratio (Max)	600% @ 5mA	600% @ 5mA	Equivalent
Output Type	Transistor	Transistor	Equivalent
Voltage - Output (Max)	80V	80V	Equivalent
Current - Output / Channel	50mA	50mA	Equivalent
Voltage - Forward (Vf) (Typ)	1.2V	1.2V	Equivalent
Vce Saturation (Max)	200mV	200mV	Equivalent
Operating Temperature	-30°C ~ 100°C	-30°C ~ 100°C	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	Equivalent
RoHS Status	RoHS Compliant	ROHS3 Compliant	Substitute meets higher standard
Product Status	Discontinued at DiGi Electronics	Active	Substitute actively available

Engineering Selection Recommendations

The ISP817DXSMT/R is a direct functional equivalent to the PC817X4NIP0F. Selection between these parts should be based on the following factors:

Availability: The PC817X4NIP0F is discontinued at DiGi Electronics. The ISP817DXSMT/R is actively available with 35,241 units in stock, providing supply chain continuity.

Compliance: Both parts are RoHS compliant. The ISP817DXSMT/R meets ROHS3 compliance, representing a higher environmental standard. The ISP817DXSMT/R is REACH Unaffected, confirming regulatory alignment.

Electrical Performance: The ISP817DXSMT/R provides 5300Vrms isolation voltage, exceeding the 5000Vrms requirement of the original part. All other electrical parameters are identical, including current transfer ratio, output voltage, output current, and saturation voltage.

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

Packaging Format: The PC817X4NIP0F packaging format is not specified. The ISP817DXSMT/R is supplied in Tape & Reel format, standard for high-volume surface mount assembly.

Frequently Asked Questions (FAQ)

Q: Can the ISP817DXSMT/R be used as a direct replacement for the PC817X4NIP0F?

A: Yes. The ISP817DXSMT/R meets all electrical and mechanical substitution criteria. Isolation voltage is higher (5300Vrms vs. 5000Vrms), and all other parameters are equivalent. PCB layout compatibility is maintained due to identical 4-SMD, Gull Wing packaging.

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

A: Substitution eligibility is determined by: single-channel configuration, isolation voltage of 5000Vrms or higher, current transfer ratio of 300-600% @ 5mA, transistor output type, 80V maximum output voltage, 50mA maximum output current per channel, 200mV maximum Vce saturation, operating temperature range of -30°C to 100°C, and 4-SMD, Gull Wing surface mount package.

Q: Are there any compliance differences between the two parts?

A: Both parts are RoHS compliant. The ISP817DXSMT/R meets the higher ROHS3 standard and is REACH Unaffected. The original PC817X4NIP0F is RoHS Compliant without specification of revision level.

Q: What is the difference in isolation voltage between these parts?

A: The PC817X4NIP0F is rated for 5000Vrms isolation. The ISP817DXSMT/R is rated for 5300Vrms isolation. The higher rating of the substitute part provides additional safety margin and does not create compatibility issues in applications designed for 5000Vrms isolation.

Q: Are the packages identical?

A: Yes. Both parts use 4-SMD, Gull Wing surface mount packaging. No PCB layout modifications are required for substitution.

Q: What is the availability status of each part?

A: The PC817X4NIP0F is discontinued at DiGi Electronics with 5,215 units reported in stock. The ISP817DXSMT/R is actively produced by Isocom Components 2004 LTD with 35,241 units in stock, providing reliable long-term availability.

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