ISQ204G Equivalent & Substitute Parts

Part Overview

The ISQ204G is an optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This component provides galvanic isolation with a 5300Vrms isolation voltage rating and single-channel transistor output configuration in a 16-DIP package. The part is currently active in production status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

ISQ204G

Isocom Components 2004 LTDIn Stock: 1000ISQ204G Datasheet

Current PartRFQ

ISQ204X-1G

Isocom Components 2004 LTDIn Stock: 968ISQ204X-1G Datasheet

Parametric EquivalentRFQ

ISQ204XG

Isocom Components 2004 LTDIn Stock: 833ISQ204XG Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ISQ204G are identified based on parametric equivalence within the ISQ series. The substitution criteria are strictly defined by the following electrical and mechanical parameters:

• Voltage - Isolation: 5300Vrms
• Number of Channels: 1
• Current Transfer Ratio range: 200% to 400% @ 10mA
• Output Type: Transistor
• Voltage - Output (Max): 70V
• Current - Output / Channel: 50mA
• Vce Saturation (Max): 400mV
• Operating Temperature: -25°C ~ 100°C
• Package / Case: 16-DIP (0.400", 10.16mm)
• Mounting Type: Through Hole

All substitute parts maintain identical electrical performance specifications and physical packaging, ensuring direct functional interchangeability in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All three parts—ISQ204G, ISQ204X-1G, and ISQ204XG—are active production components from Isocom Components 2004 LTD with identical electrical specifications and mechanical packaging. Each part carries ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements. Selection between these parts is based on availability and supply chain requirements rather than technical performance differentiation. All parts are suitable for direct substitution in applications requiring single-channel optoisolation with 5300Vrms isolation voltage and transistor output in 16-DIP through-hole configuration.

Frequently Asked Questions (FAQ)

Q: Can ISQ204X-1G and ISQ204XG be used interchangeably with ISQ204G?

A: Yes. All three parts share identical electrical parameters including isolation voltage, current transfer ratio, output voltage rating, and saturation characteristics. They are packaged identically in 16-DIP through-hole format and are functionally equivalent for circuit applications.

Q: What determines if a part is a valid substitute for ISQ204G?

A: Valid substitutes must maintain the following parameters: 5300Vrms isolation voltage, single-channel configuration, 200-400% current transfer ratio at 10mA, 70V maximum output voltage, 50mA output current per channel, 400mV maximum Vce saturation, and 16-DIP through-hole package. All listed substitute parts meet these criteria.

Q: Are there any compliance differences between ISQ204G and its substitutes?

A: No. All parts carry identical RoHS3 compliance status and REACH unaffected designation. Environmental and regulatory compliance is equivalent across all three part numbers.

Q: Does package format differ between these parts?

A: No. All parts use the same 16-DIP (0.400", 10.16mm) through-hole package format, ensuring identical PCB footprint and mounting requirements.

Q: What is the operating temperature range for these optoisolators?

A: The operating temperature range for ISQ204G and all substitute parts is -25°C to 100°C.