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ILQ620-X019 Equivalent & Substitute Parts
Part Overview
The ILQ620-X019 is a 4-channel optoisolator with transistor output manufactured by Vishay Semiconductor Opto Division. This component provides 5300Vrms isolation voltage and is designed for applications requiring galvanic isolation in AC/DC input circuits. The ILQ620-X019 is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ILQ620-X019 |
| Manufacturer | Vishay Semiconductor Opto Division |
| Category | Optoisolators |
| Number of Channels | 4 |
| Voltage - Isolation | 5300Vrms |
| Current Transfer Ratio (Min) | 50% @ 5mA |
| Current Transfer Ratio (Max) | 600% @ 5mA |
| Output Type | Transistor |
| Voltage - Output (Max) | 70V |
| Current - Output / Channel | 50mA |
| Operating Temperature | -55°C ~ 100°C |
| Package / Case | 16-SMD, Gull Wing |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the ILQ620-X019 is determined by strict equivalence across the following critical parameters:
- Number of Channels: 4
- Voltage - Isolation: 5300Vrms
- Current Transfer Ratio range: 50% (Min) to 600% (Max) @ 5mA
- Output Type: Transistor
- Voltage - Output (Max): 70V
- Current - Output / Channel: 50mA
- Package / Case: 16-SMD, Gull Wing
- Mounting Type: Surface Mount
- Operating Temperature range: -55°C ~ 100°C
The ILQ620-X009 meets all these criteria and is classified as an active product, providing direct parametric equivalence to the obsolete ILQ620-X019.
Parameter Comparison
| Parameter | ILQ620-X019 | ILQ620-X009 |
|---|---|---|
| Manufacturer | Vishay Semiconductor Opto Division | Vishay Semiconductor Opto Division |
| Number of Channels | 4 | 4 |
| Voltage - Isolation | 5300Vrms | 5300Vrms |
| Current Transfer Ratio (Min) | 50% @ 5mA | 50% @ 5mA |
| Current Transfer Ratio (Max) | 600% @ 5mA | 600% @ 5mA |
| Turn On / Turn Off Time (Typ) | 3µs, 2.3µs | 3µs, 2.3µs |
| Rise / Fall Time (Typ) | 20µs, 2µs | 20µs, 2µs |
| Input Type | AC, DC | AC, DC |
| Output Type | Transistor | Transistor |
| Voltage - Output (Max) | 70V | 70V |
| Current - Output / Channel | 50mA | 50mA |
| Voltage - Forward (Vf) (Typ) | 1.15V | 1.15V |
| Current - DC Forward (If) (Max) | 60 mA | 60 mA |
| Vce Saturation (Max) | 400mV | 400mV |
| Operating Temperature | -55°C ~ 100°C | -55°C ~ 100°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SMD, Gull Wing | 16-SMD, Gull Wing |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The ILQ620-X009 is the direct active equivalent for the obsolete ILQ620-X019. Both components share identical electrical specifications, thermal operating range, and mechanical packaging. The ILQ620-X009 maintains ROHS3 compliance and carries active product status, ensuring long-term availability and supply chain continuity. Selection of the ILQ620-X009 eliminates obsolescence risk while preserving all functional and performance characteristics of the original design.
Frequently Asked Questions (FAQ)
Q: Can the ILQ620-X009 be used as a direct replacement for the ILQ620-X019 in existing designs?
A: Yes. The ILQ620-X009 is parametrically identical to the ILQ620-X019 across all electrical and mechanical specifications. No circuit modifications are required.
Q: What is the primary difference between these two part numbers?
A: The ILQ620-X019 is obsolete, while the ILQ620-X009 is active. The packaging differs (ILQ620-X019 uses standard packaging; ILQ620-X009 is supplied in Tube packaging), but electrical performance and pinout are identical.
Q: Are there any compliance or certification differences?
A: Both parts are ROHS3 compliant with MSL rating of 1 (Unlimited). No compliance differences exist between the two variants.
Q: What is the isolation voltage specification, and does it apply to both parts?
A: Both the ILQ620-X019 and ILQ620-X009 provide 5300Vrms isolation voltage, meeting high-voltage isolation requirements in industrial and power management applications.
Q: Can these parts be used in both AC and DC input applications?
A: Yes. Both components support AC and DC input types, providing design flexibility across multiple circuit topologies.
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