MOC81023SD Equivalent & Substitute Parts

Part Overview

The MOC81023SD is an optoisolator with transistor output manufactured by onsemi, featuring 5300Vrms isolation voltage in a 6-SMD surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part delivers 1-channel isolation with 50mA output current capability and operates across the -55°C to 100°C temperature range.

Key Parameters

Parameter	MOC81023SD
Manufacturer	onsemi
Product Status	Obsolete
Number of Channels	1
Voltage - Isolation	5300Vrms
Current Transfer Ratio (Min/Max)	73% / 117% @ 10mA
Output Type	Transistor
Voltage - Output (Max)	30V
Current - Output / Channel	50mA
Operating Temperature	-55°C ~ 100°C
Package / Case	6-SMD, Gull Wing
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MOC81023SD is determined by the following critical parameters:

Isolation Voltage: 5300Vrms (primary electrical requirement)
Number of Channels: 1 (functional requirement)
Output Type: Transistor (functional requirement)
Package / Case: 6-SMD, Gull Wing (mechanical requirement)
Mounting Type: Surface Mount (assembly requirement)
Current - Output / Channel: 50mA (electrical requirement)
Operating Temperature Range: -55°C ~ 100°C (environmental requirement)

Substitute parts are grouped into two categories based on isolation voltage compatibility:

Category A - Direct Electrical Equivalents (5300Vrms Isolation): MOC8102-X009 and MOC8102-X017 maintain identical isolation voltage, current transfer ratio specifications, and output voltage ratings.

Category B - Reduced Isolation Voltage (4170Vrms Isolation): CNY17F2SR2VM operates at lower isolation voltage but shares identical package, channel count, and output current specifications.

Category C - Incomplete Specification Data: MOC8102SM and MOC8102SMT&R contain insufficient electrical parameter documentation for full technical comparison.

Parameter Comparison

Parameter	MOC81023SD	MOC8102-X009	MOC8102-X017	CNY17F2SR2VM	MOC8102SM	MOC8102SMT&R
Manufacturer	onsemi	Vishay Semiconductor Opto Division	Vishay Semiconductor Opto Division	onsemi	Isocom Components 2004 LTD	Isocom Components 2004 LTD
Product Status	Obsolete	Active	Active	Active	Active	Active
Number of Channels	1	1	1	1	1	1
Voltage - Isolation	5300Vrms	5300Vrms	5300Vrms	4170Vrms	7.5Vpk	7.5Vpk
Current Transfer Ratio (Min)	73% @ 10mA	73% @ 10mA	73% @ 10mA	63% @ 10mA	-	-
Current Transfer Ratio (Max)	117% @ 10mA	117% @ 10mA	117% @ 10mA	125% @ 10mA	-	-
Turn On / Turn Off Time (Typ)	2µs, 3µs	3µs, 2.3µs	3µs, 2.3µs	2µs, 3µs	-	-
Rise / Fall Time (Typ)	1µs, 2µs	2µs, 2µs	2µs, 2µs	4µs, 4.6µs (Max)	2µs, 2µs	2µs, 2µs
Output Type	Transistor	Transistor	Transistor	Transistor	Transistor	Transistor
Voltage - Output (Max)	30V	30V	30V	70V	30V	30V
Current - Output / Channel	50mA	50mA	50mA	50mA	50mA	50mA
Voltage - Forward (Vf) (Typ)	1.15V	1.25V	1.25V	1.35V	1.15V	1.15V
Current - DC Forward (If) (Max)	100mA	60mA	60mA	60mA	60mA	60mA
Vce Saturation (Max)	400mV	400mV	400mV	400mV	400mV	400mV
Operating Temperature	-55°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C	-40°C ~ 100°C	-55°C ~ 100°C	-55°C ~ 100°C
Package / Case	6-SMD, Gull Wing	6-SMD, Gull Wing	6-SMD, Gull Wing	6-SMD, Gull Wing	6-SMD, Gull Wing	6-SMD, Gull Wing
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	-	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging	-	Tube	Tube	Tape & Reel (TR)	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

MOC8102-X009 and MOC8102-X017 are the primary substitutes for MOC81023SD. Both parts are manufactured by Vishay Semiconductor Opto Division with active product status, maintain identical 5300Vrms isolation voltage, and share matching electrical specifications including current transfer ratio, output voltage, and output current. Both are ROHS3 compliant and carry identical REACH and ECCN classifications. These parts are functionally equivalent with packaging available in tube format.

CNY17F2SR2VM is a secondary substitute manufactured by onsemi with active product status and ROHS3 compliance. This part operates at reduced isolation voltage (4170Vrms) compared to the MOC81023SD (5300Vrms) and features higher maximum output voltage (70V vs 30V). The operating temperature range is narrower (-40°C to 100°C vs -55°C to 100°C). This part is suitable only for applications where the lower isolation voltage meets system requirements. Packaging is available in Tape & Reel format.

MOC8102SM and MOC8102SMT&R manufactured by Isocom Components 2004 LTD are not recommended as primary substitutes due to incomplete electrical parameter documentation. The isolation voltage specification (7.5Vpk) differs significantly from the MOC81023SD and cannot be directly compared to the Vrms ratings of other parts. Both parts are ROHS3 compliant and available in tube and Tape & Reel packaging respectively.

Frequently Asked Questions (FAQ)

Q: Can MOC8102-X009 or MOC8102-X017 be used as direct replacements for MOC81023SD?

A: Yes. Both parts maintain identical 5300Vrms isolation voltage, current transfer ratio specifications (73% to 117% @ 10mA), maximum output voltage (30V), and output current (50mA). Operating temperature ranges are identical (-55°C to 100°C). Both are ROHS3 compliant with active product status.

Q: What is the key difference between MOC8102-X009 and MOC8102-X017?

A: Both parts are electrically identical. The difference is in packaging format: MOC8102-X009 is supplied in tube packaging, while MOC8102-X017 is also supplied in tube packaging. Inventory levels differ between the two variants.

Q: Can CNY17F2SR2VM replace MOC81023SD in all applications?

A: CNY17F2SR2VM is suitable only for applications where the lower isolation voltage (4170Vrms vs 5300Vrms) meets system requirements. The narrower operating temperature range (-40°C to 100°C vs -55°C to 100°C) must also be evaluated for your specific application. The higher maximum output voltage (70V) may provide additional design flexibility.

Q: What is the difference between MOC8102SM and MOC8102SMT&R?

A: Both parts are electrically identical. MOC8102SM is supplied in tube packaging, while MOC8102SMT&R is supplied in Tape & Reel format. Incomplete electrical parameter documentation limits their use as primary substitutes.

Q: Are all substitute parts ROHS3 compliant?

A: MOC8102-X009, MOC8102-X017, CNY17F2SR2VM, MOC8102SM, and MOC8102SMT&R are all ROHS3 compliant. The original MOC81023SD does not specify RoHS status.

Q: What packaging options are available for substitutes?

A: MOC8102-X009 and MOC8102-X017 are available in tube packaging. CNY17F2SR2VM is available in Tape & Reel format. MOC8102SM is available in tube packaging, and MOC8102SMT&R is available in Tape & Reel format. All parts maintain the 6-SMD, Gull Wing package configuration.

Q: Which substitute has the highest inventory availability?

A: MOC8102-X009 has 4840 pcs in stock, MOC8102-X017 has 4400 pcs, CNY17F2SR2VM has 3752 pcs, MOC8102SMT&R has 840 pcs, and MOC8102SM has 770 pcs available.

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