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ISP817BL Equivalent & Substitute Parts
Part Overview
The ISP817BL is an optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This single-channel device provides galvanic isolation rated at 5300Vrms and is designed for DC input applications requiring transistor-based switching outputs. The part is currently in active production status with 688 units available in stock. Alternative equivalent parts may be required due to supply constraints, inventory availability, or specific procurement requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ISP817BL |
| Manufacturer | Isocom Components 2004 LTD |
| Category | Optoisolators |
| Series | ISP817 |
| Number of Channels | 1 |
| Voltage - Isolation | 5300Vrms |
| Current Transfer Ratio (Min) | 200% @ 5mA |
| Current Transfer Ratio (Max) | 600% @ 5mA |
| Output Type | Transistor |
| Voltage - Output (Max) | 80V |
| Current - Output / Channel | 50mA |
| Vce Saturation (Max) | 200mV |
| Rise / Fall Time (Typ) | 4µs, 3µs |
| Operating Temperature | -55°C ~ 110°C |
| Package / Case | 4-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| RoHS Status | ROHS3 Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility for the ISP817BL is determined by strict equivalence across the following critical parameters:
- Voltage isolation rating: 5300Vrms
- Number of channels: 1
- Output type: Transistor
- Current transfer ratio range: 200% to 600% @ 5mA
- Maximum output voltage: 80V
- Maximum output current per channel: 50mA
- Maximum Vce saturation: 200mV
- Package type: 4-DIP (0.300", 7.62mm)
- Mounting type: Through Hole
- Input type: DC
The ISP817XBL meets all these criteria and is classified as a parametric equivalent within the ISP817 series.
Parameter Comparison
| Parameter | ISP817BL | ISP817XBL | Match |
|---|---|---|---|
| Manufacturer | Isocom Components 2004 LTD | Isocom Components 2004 LTD | Yes |
| Series | ISP817 | ISP817 | Yes |
| Number of Channels | 1 | 1 | Yes |
| Voltage - Isolation | 5300Vrms | 5300Vrms | Yes |
| Current Transfer Ratio (Min) | 200% @ 5mA | 200% @ 5mA | Yes |
| Current Transfer Ratio (Max) | 600% @ 5mA | 600% @ 5mA | Yes |
| Output Type | Transistor | Transistor | Yes |
| Voltage - Output (Max) | 80V | 80V | Yes |
| Current - Output / Channel | 50mA | 50mA | Yes |
| Vce Saturation (Max) | 200mV | 200mV | Yes |
| Rise / Fall Time (Typ) | 4µs, 3µs | 4µs, 3µs | Yes |
| Operating Temperature | -55°C ~ 110°C | -55°C ~ 110°C | Yes |
| Package / Case | 4-DIP (0.300", 7.62mm) | 4-DIP (0.300", 7.62mm) | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| Product Status | Active | Active | Yes |
Engineering Selection Recommendations
Both ISP817BL and ISP817XBL are active production parts manufactured by Isocom Components 2004 LTD with identical electrical and mechanical specifications. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Selection between these parts may be based on inventory availability, supply chain considerations, or procurement lead times. The ISP817XBL currently has 949 units in stock compared to 688 units for the ISP817BL.
Frequently Asked Questions (FAQ)
Q: Can ISP817XBL be used as a direct replacement for ISP817BL?
A: Yes. The ISP817XBL is a parametric equivalent with identical electrical characteristics, isolation voltage, output specifications, and package configuration. Both parts are from the same manufacturer and series.
Q: Are there any differences in compliance or certifications between these parts?
A: No. Both parts carry identical RoHS3 compliance status and REACH unaffected designation.
Q: Do these parts have the same package dimensions?
A: Yes. Both parts use the 4-DIP (0.300", 7.62mm) package with through-hole mounting, ensuring mechanical compatibility in PCB designs.
Q: What determines substitution eligibility for optoisolators in this category?
A: Substitution is based on matching isolation voltage rating, number of channels, output type, current transfer ratio specifications, maximum output voltage and current ratings, saturation voltage, switching speed characteristics, operating temperature range, and package type.
Q: Are there inventory differences between these equivalent parts?
A: Yes. ISP817XBL has 949 units available while ISP817BL has 688 units in stock. Availability may influence procurement decisions.
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