PC817XNNIP0F Equivalent & Substitute Parts

Part Overview

The PC817XNNIP0F is a single-channel optoisolator with transistor output manufactured by SHARP/Socle Technology. It provides 5000Vrms isolation and is designed for DC input applications requiring galvanic isolation in 4-SMD surface mount packages. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	PC817XNNIP0F
Manufacturer	SHARP/Socle Technology
Category	Optoisolators
Number of Channels	1
Voltage - Isolation	5000Vrms
Current Transfer Ratio (Min)	50% @ 5mA
Current Transfer Ratio (Max)	600% @ 5mA
Rise / Fall Time (Typ)	4µs, 3µs
Input Type	DC
Output Type	Transistor
Voltage - Output (Max)	80V
Current - Output / Channel	50mA
Voltage - Forward (Vf) (Typ)	1.2V
Current - DC Forward (If) (Max)	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
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PC817XNNIP0F is determined by strict equivalence across the following critical parameters:

Number of Channels: 1
Voltage - Isolation: 5000Vrms
Current Transfer Ratio: 50% (Min) @ 5mA, 600% (Max) @ 5mA
Output Type: Transistor
Voltage - Output (Max): 80V
Current - Output / Channel: 50mA
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing
Input Type: DC

All three substitute parts (PC817X1CSP9F, PC817X2CSP9F, PC817X3CSP9F) maintain identical electrical and mechanical specifications across these parameters, enabling direct functional replacement in applications currently using the PC817XNNIP0F.

Parameter Comparison

Parameter	PC817XNNIP0F	PC817X1CSP9F	PC817X2CSP9F	PC817X3CSP9F
Number of Channels	1	1	1	1
Voltage - Isolation	5000Vrms	5000Vrms	5000Vrms	5000Vrms
Current Transfer Ratio (Min)	50% @ 5mA	50% @ 5mA	50% @ 5mA	50% @ 5mA
Current Transfer Ratio (Max)	600% @ 5mA	600% @ 5mA	600% @ 5mA	600% @ 5mA
Rise / Fall Time (Typ)	4µs, 3µs	4µs, 3µs	4µs, 3µs	4µs, 3µs
Input Type	DC	DC	DC	DC
Output Type	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	80V	80V	80V	80V
Current - Output / Channel	50mA	50mA	50mA	50mA
Voltage - Forward (Vf) (Typ)	1.2V	1.2V	1.2V	1.2V
Current - DC Forward (If) (Max)	50mA	50mA	50mA	50mA
Vce Saturation (Max)	200mV	200mV	200mV	200mV
Operating Temperature	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C	-30°C ~ 100°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing	4-SMD, Gull Wing
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

The PC817X2CSP9F and PC817X3CSP9F are recommended as primary substitutes due to their active product status and full availability. Both parts maintain complete electrical and mechanical equivalence to the PC817XNNIP0F while offering superior supply chain continuity.

The PC817X1CSP9F provides functional equivalence but carries an obsolete designation, making it suitable only for applications where existing inventory is available and supply chain stability is not a primary concern.

All three substitute parts are RoHS compliant and maintain the same isolation voltage, current transfer ratio range, output characteristics, and thermal operating range as the original PC817XNNIP0F, ensuring direct compatibility in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can PC817X2CSP9F or PC817X3CSP9F be used as direct replacements for PC817XNNIP0F?

A: Yes. Both parts are parametric equivalents with identical isolation voltage (5000Vrms), current transfer ratio (50–600% @ 5mA), output voltage and current ratings, and 4-SMD gull wing packaging. No circuit modifications are required.

Q: What is the difference between PC817X1CSP9F, PC817X2CSP9F, and PC817X3CSP9F?

A: All three parts are electrically and mechanically identical. The primary difference is product status: PC817X2CSP9F and PC817X3CSP9F are active products with established supply chains, while PC817X1CSP9F is designated obsolete.

Q: Are there any package or pinout differences between these optoisolators?

A: No. All parts use the same 4-SMD gull wing package configuration with identical pinout and mechanical dimensions, enabling direct PCB footprint compatibility.

Q: Do these substitutes maintain the same isolation rating?

A: Yes. All substitute parts maintain the 5000Vrms isolation specification, ensuring equivalent galvanic isolation performance in high-voltage applications.

Q: What is the inventory status of these substitute parts?

A: PC817X2CSP9F has 100,900 units in stock, PC817X3CSP9F has 99,900 units in stock, and PC817X1CSP9F has 97,436 units in stock, providing adequate availability for production requirements.

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