ISP825G Equivalent & Substitute Parts

Part Overview

The ISP825G is an optoisolator with Darlington output configuration, featuring dual-channel isolation rated at 5300Vrms. This component is designed for applications requiring galvanic isolation between input and output circuits with high current transfer capability. The ISP825G maintains active product status with established supply availability, making it suitable for new designs and production applications. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and alternative sourcing options when the primary part becomes unavailable or when design requirements necessitate component alternatives.

Substiute Parts

ISP825G

Isocom Components 2004 LTDIn Stock: 753ISP825G Datasheet

Current PartRFQ

ISP825XG

Isocom Components 2004 LTDIn Stock: 1236ISP825XG Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ISP825G are determined by strict equivalence across the following critical parameters:

• Number of Channels: 2
• Voltage - Isolation: 5300Vrms
• Current Transfer Ratio range: 600% (Min) to 7500% (Max) @ 1mA
• Output Type: Darlington
• Voltage - Output (Max): 35V
• Current - Output / Channel: 80mA
• Vce Saturation (Max): 1V
• Operating Temperature range: -30°C ~ 100°C
• Package / Case: 8-DIP (0.400", 10.16mm)
• Mounting Type: Through Hole

The ISP825XG meets all specified electrical and mechanical parameters, qualifying it as a parametric equivalent within the ISP825 series optoisolator family.

Parameter Comparison

Engineering Selection Recommendations

Both ISP825G and ISP825XG are active products manufactured by Isocom Components 2004 LTD with identical electrical specifications and mechanical packaging. Selection between these parts should be based on:

• Inventory availability and lead time requirements
• Supply chain logistics and regional sourcing preferences
• Compliance certifications: Both parts are ROHS3 Compliant and REACH Unaffected
• Manufacturing date code requirements for traceability

The ISP825XG currently maintains higher inventory levels (1161 Pcs) compared to ISP825G (664 Pcs), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can ISP825XG be used as a direct replacement for ISP825G?

A: Yes. The ISP825XG is a parametric equivalent with identical electrical characteristics, isolation voltage, current transfer ratio, output specifications, and package configuration. Direct substitution is supported without circuit modification.

Q: Are there any differences in isolation voltage between these parts?

A: No. Both ISP825G and ISP825XG provide 5300Vrms isolation voltage, meeting identical galvanic isolation requirements.

Q: Do both parts support the same operating temperature range?

A: Yes. Both parts operate across -30°C to 100°C, ensuring compatibility in equivalent thermal environments.

Q: Is the 8-DIP package identical for both parts?

A: Yes. Both parts use the same 8-DIP (0.400", 10.16mm) through-hole package, enabling direct PCB footprint compatibility without layout modifications.

Q: Are there compliance differences between ISP825G and ISP825XG?

A: No. Both parts maintain identical RoHS3 compliance and REACH unaffected status, satisfying equivalent regulatory requirements.

Q: What is the current transfer ratio specification for these optoisolators?

A: Both parts specify a current transfer ratio range of 600% minimum to 7500% maximum at 1mA input current, providing consistent gain characteristics across the product line.