YC124-JR-0791RL Equivalent & Substitute Parts

Part Overview

The YC124-JR-0791RL is a 4-resistor isolated network array manufactured by YAGEO, featuring 91 Ohm resistors with ±5% tolerance in a 0804 surface mount package. This component is designed for applications requiring matched resistor networks, including automotive AEC-Q200 qualified systems, DDRAM, and SDRAM circuits. The part maintains active product status with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

YC124-JR-0791RL

YAGEOIn Stock: 778YC124-JR-0791RL Datasheet

Current PartRFQ

EXB-28V910JX

Panasonic Electronic ComponentsIn Stock: 17458EXB-28V910JX Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the YC124-JR-0791RL is determined by strict alignment of the following parameters:

Electrical specifications: 91 Ohm resistance value, ±5% tolerance, 4-resistor isolated configuration, 62.5mW power per element, and ±200ppm/°C temperature coefficient.

Mechanical compatibility: 0804 package with convex, long side terminals; 8-pin configuration; surface mount mounting type; dimensions of 0.079" L x 0.039" W (2.00mm x 1.00mm).

Compliance and certifications: ROHS3 compliance, MSL 1 rating, and active product status.

The EXB-28V910JX from Panasonic Electronic Components meets all electrical and mechanical requirements. Operating temperature range differs (−55°C to 125°C versus −55°C to 155°C), and seated height varies (0.018" versus 0.022"), but these parameters do not restrict substitution eligibility within the specified parameter set.

Parameter Comparison

Engineering Selection Recommendations

Both the YC124-JR-0791RL and EXB-28V910JX maintain active product status with ROHS3 compliance and unlimited moisture sensitivity ratings. The EXB-28V910JX is qualified for automotive AEC-Q200 applications, matching the primary application domain of the original component. Selection between these parts should be based on supply chain availability, lead time requirements, and specific application temperature operating ranges. The YC124-JR-0791RL supports extended temperature operation to 155°C, while the EXB-28V910JX operates to 125°C. For applications requiring the full temperature range, the YAGEO part is the appropriate choice. For standard operating conditions within 125°C, either part is functionally equivalent.

Frequently Asked Questions (FAQ)

Q: Can the EXB-28V910JX replace the YC124-JR-0791RL in all applications?

A: The EXB-28V910JX is electrically and mechanically equivalent for applications operating within −55°C to 125°C. Applications requiring operation above 125°C must use the YC124-JR-0791RL, which is rated to 155°C.

Q: Are there differences in physical dimensions that affect PCB layout?

A: Both parts use identical length and width dimensions (0.079" L x 0.039" W). The seated height differs by 0.004" (0.10mm), with the EXB-28V910JX being slightly lower. This difference is negligible for standard PCB assembly and does not require layout modifications.

Q: Do both parts meet automotive qualification requirements?

A: Both parts carry ROHS3 compliance and MSL 1 ratings. The EXB-28V910JX is explicitly qualified for automotive AEC-Q200 applications. Verify specific automotive qualification requirements with your design documentation.

Q: What is the significance of the isolated circuit configuration?

A: The isolated circuit type indicates that each of the four resistors operates independently with no internal connections between elements. This configuration is required for applications such as DDRAM and SDRAM termination networks where individual resistor isolation is necessary.

Q: Are these parts interchangeable on existing PCBs?

A: Yes. Both parts use identical 0804 packages with convex, long side terminals and 8-pin configurations. No PCB modifications are required for substitution.