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CAY10-105J4LF Equivalent & Substitute Parts
Part Overview
The CAY10-105J4LF is a 1M Ohm isolated 4-resistor network array manufactured by Bourns Inc., designed for surface mount applications in 0804 package configuration. This component features 62.5mW power per element with ±5% tolerance and ±250ppm/°C temperature coefficient. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when specific performance characteristics are required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1M Ohm |
| Tolerance | ±5% |
| Number of Resistors | 4 |
| Circuit Type | Isolated |
| Power Per Element | 62.5mW |
| Number of Pins | 8 |
| Package / Case | 0804, Convex, Long Side Terminals |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the CAY10-105J4LF are qualified based on the following critical parameters that must match or exceed the main part specifications:
- Resistance value: 1M Ohm (exact match required)
- Tolerance: ±5% (exact match required)
- Circuit type: Isolated (exact match required)
- Number of resistors: 4 (exact match required)
- Power per element: 62.5mW (exact match required)
- Package configuration: 0804, Convex, Long Side Terminals (exact match required)
- Mounting type: Surface Mount (exact match required)
- Number of pins: 8 (exact match required)
- RoHS compliance: ROHS3 Compliant (minimum requirement)
- Moisture sensitivity: MSL 1 (minimum requirement)
The identified substitutes meet all mandatory electrical and mechanical parameters. Variations in temperature coefficient and operating temperature range are noted but do not preclude substitution when the application requirements fall within the specified ranges of the substitute part.
Parameter Comparison
| Parameter | CAY10-105J4LF (Bourns) | EXB-28V105JX (Panasonic) | YC124-JR-071ML (YAGEO) |
|---|---|---|---|
| Resistance (Ohms) | 1M | 1M | 1M |
| Tolerance | ±5% | ±5% | ±5% |
| Number of Resistors | 4 | 4 | 4 |
| Circuit Type | Isolated | Isolated | Isolated |
| Power Per Element | 62.5mW | 62.5mW | 62.5mW |
| Number of Pins | 8 | 8 | 8 |
| Package / Case | 0804, Convex, Long Side Terminals | 0804, Convex, Long Side Terminals | 0804, Convex, Long Side Terminals |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Temperature Coefficient | ±250ppm/°C | ±200ppm/°C | ±200ppm/°C |
| Operating Temperature Range | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
All three parts maintain active production status with ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility across applications. The EXB-28V105JX from Panasonic includes automotive AEC-Q200 qualification, suitable for automotive-grade applications. The YC124-JR-071ML from YAGEO provides extended operating temperature range to 155°C and carries AEC-Q200 automotive qualification with documented applications in DDRAM and SDRAM environments. Selection between substitutes should be based on application-specific requirements for temperature range, automotive qualification status, and supply chain availability.
Frequently Asked Questions (FAQ)
Q: Can EXB-28V105JX replace CAY10-105J4LF in all applications?
A: Yes, provided the application operates within the -55°C to 125°C temperature range. The EXB-28V105JX meets all electrical and mechanical specifications of the CAY10-105J4LF. The improved temperature coefficient (±200ppm/°C versus ±250ppm/°C) provides enhanced stability.
Q: What is the difference in temperature coefficient between the main part and substitutes?
A: The CAY10-105J4LF has ±250ppm/°C, while both EXB-28V105JX and YC124-JR-071ML have ±200ppm/°C. This represents improved temperature stability in the substitute parts.
Q: Is the YC124-JR-071ML suitable for high-temperature applications?
A: The YC124-JR-071ML operates to 155°C, extending 30°C beyond the CAY10-105J4LF and EXB-28V105JX. Applications requiring operation above 125°C should use the YC124-JR-071ML.
Q: Are all parts automotive-qualified?
A: The EXB-28V105JX and YC124-JR-071ML carry AEC-Q200 automotive qualification. The CAY10-105J4LF does not list automotive qualification in the provided specifications.
Q: Do package dimensions differ between parts?
A: All three parts share identical length and width (0.079" L x 0.039" W / 2.00mm x 1.00mm). Height varies slightly: CAY10-105J4LF and EXB-28V105JX at 0.018" (0.45mm), and YC124-JR-071ML at 0.022" (0.55mm). This variation remains within typical PCB assembly tolerances.
Q: Can these parts be used interchangeably on the same PCB?
A: Yes. All parts share identical pin count (8), package type (0804 Convex Long Side Terminals), and mounting configuration (Surface Mount), enabling direct substitution without PCB redesign.
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