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PS2501-1L Equivalent & Substitute Parts
Part Overview
The PS2501-1L 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-switched output. The component is classified as Active product 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
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PS2501-1L |
| Manufacturer | Isocom Components 2004 LTD |
| Category | Optoisolators |
| Series | PS2501-1 |
| Number of Channels | 1 |
| Voltage - Isolation | 5300Vrms |
| 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 | -30°C ~ 100°C |
| Package / Case | 4-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| RoHS Status | RoHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the PS2501-1L is determined by strict equivalence across the following critical parameters:
- Isolation voltage rating: 5300Vrms
- Number of channels: 1
- Output configuration: Transistor output
- Current transfer ratio range: 200% to 400% @ 5mA
- Maximum output voltage: 80V
- Maximum output current per channel: 50mA
- Vce saturation: 300mV maximum
- Package type: 4-DIP (0.300", 7.62mm)
- Mounting method: Through Hole
- Operating temperature range: -30°C ~ 100°C
The PS2501-1XL meets all specified parameters and is classified as a parametric equivalent within the PS2501-1 series.
Parameter Comparison
| Parameter | PS2501-1L | PS2501-1XL |
|---|---|---|
| Manufacturer | Isocom Components 2004 LTD | Isocom Components 2004 LTD |
| Series | PS2501-1 | PS2501-1 |
| Number of Channels | 1 | 1 |
| Voltage - Isolation | 5300Vrms | 5300Vrms |
| 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 | -30°C ~ 100°C | -30°C ~ 100°C |
| Package / Case | 4-DIP (0.300", 7.62mm) | 4-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole | Through Hole |
| RoHS Status | RoHS3 Compliant | RoHS3 Compliant |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both PS2501-1L and PS2501-1XL are Active product status components with identical RoHS3 compliance and REACH unaffected designation. Selection between these parts is based on availability and supply chain requirements rather than electrical or mechanical differentiation. Both components satisfy identical circuit requirements and PCB layout specifications. The PS2501-1XL provides an alternative source within the same series when PS2501-1L inventory is constrained.
Frequently Asked Questions (FAQ)
Q: Can PS2501-1XL be used as a direct replacement for PS2501-1L?
A: Yes. Both parts are parametric equivalents with identical electrical specifications, isolation voltage, output characteristics, and 4-DIP package configuration. No circuit modifications are required.
Q: Are there any differences in compliance or certifications between these parts?
A: No. Both PS2501-1L and PS2501-1XL carry identical RoHS3 compliance and REACH unaffected status.
Q: What determines substitution eligibility for optoisolators in this category?
A: Substitution is determined by matching isolation voltage rating, number of channels, output type, current transfer ratio range, maximum output voltage and current, saturation voltage, package type, mounting method, and operating temperature range.
Q: Are these parts interchangeable on existing PCBs?
A: Yes. Both components use the 4-DIP (0.300", 7.62mm) through-hole package with identical pinout and electrical performance.
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