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ISLT1009 Equivalent & Substitute Parts
Part Overview
The ISLT1009 is an optoisolator with transistor output manufactured by Isocom Components 2004 LTD. This component provides galvanic isolation up to 5000Vrms with a single channel configuration in a 4-SMD surface mount package. The device is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Voltage - Isolation | 5000Vrms |
| Number of Channels | 1 |
| Current Transfer Ratio (Min) | 200% @ 5mA |
| Current Transfer Ratio (Max) | 400% @ 5mA |
| Output Type | Transistor |
| Voltage - Output (Max) | 80V |
| Current - Output / Channel | 50mA |
| Vce Saturation (Max) | 300mV |
| Operating Temperature | -55°C ~ 110°C |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the ISLT1009 are qualified based on the following critical parameters:
- Voltage isolation rating of 5000Vrms or higher
- Single channel configuration
- Current transfer ratio range of 200% to 400% @ 5mA
- Transistor output type
- Maximum output voltage of 80V or higher
- Output current capability of 50mA or higher per channel
- Vce saturation maximum of 300mV or lower
- Operating temperature range of -55°C to 110°C or wider
- Surface mount package configuration
- ROHS3 compliance
The APC-1019 meets all specified electrical and mechanical parameters and qualifies as a parametric equivalent.
Parameter Comparison
| Parameter | ISLT1009 | APC-1019 |
|---|---|---|
| Manufacturer | Isocom Components 2004 LTD | American Bright Optoelectronics Corporation |
| Category | Optoisolators | Optoisolators |
| Voltage - Isolation | 5000Vrms | 5000Vrms |
| Number of Channels | 1 | 1 |
| Current Transfer Ratio (Min) | 200% @ 5mA | 200% @ 5mA |
| Current Transfer Ratio (Max) | 400% @ 5mA | 400% @ 5mA |
| Output Type | Transistor | Transistor |
| Voltage - Output (Max) | 80V | 80V |
| Current - Output / Channel | 50mA | 50mA |
| Vce Saturation (Max) | 300mV | 300mV |
| Operating Temperature | -55°C ~ 110°C | -55°C ~ 110°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 4-SMD, Gull Wing | 4-SMD, Gull Wing |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the ISLT1009 and APC-1019 are Active product status components with ROHS3 compliance and REACH unaffected status. Selection between these parts is based on availability and supply chain requirements. The APC-1019 currently maintains higher inventory levels (3953 pcs vs 731 pcs). Both components meet identical electrical specifications and mechanical package requirements for direct substitution in applications requiring 5000Vrms isolation with transistor output configuration.
Frequently Asked Questions (FAQ)
Q: Can the APC-1019 directly replace the ISLT1009 in existing designs?
A: Yes. Both parts meet identical electrical parameters including isolation voltage, current transfer ratio, output voltage, output current, and saturation voltage. Both use 4-SMD Gull Wing surface mount packages and operate across the same temperature range.
Q: Are there differences in switching speed between these parts?
A: The ISLT1009 specifies turn on/off times of 4µs and 3µs respectively. The APC-1019 does not specify turn on/off time values. Rise and fall times differ: ISLT1009 specifies 2µs and 3µs, while APC-1019 specifies 6µs and 8µs. Applications with strict timing requirements should verify these differences against circuit specifications.
Q: Do both parts meet the same compliance standards?
A: Yes. Both the ISLT1009 and APC-1019 are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8541.49.8000.
Q: What is the moisture sensitivity level for these components?
A: Both parts have Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.
Q: Are there package differences that affect PCB layout?
A: Both components use identical 4-SMD Gull Wing packages. PCB footprints and layout considerations remain the same for direct substitution.
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