RT0402CRD07124RL Equivalent & Substitute Parts

Part Overview

The RT0402CRD07124RL is a 124 Ohm thin film chip resistor manufactured by YAGEO in the 0402 (1005 Metric) package format. This component is rated for 0.063W (1/16W) power dissipation with ±0.25% tolerance and operates across the -55°C to 155°C temperature range. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and package standardization to support design flexibility and supply chain continuity.

Substiute Parts

RT0402CRD07124RL

YAGEOIn Stock: 1078RT0402CRD07124RL Datasheet

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CPF0402B124RE1

TE Connectivity Passive ProductIn Stock: 1210CPF0402B124RE1 Datasheet

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ERA-2AEB1240X

Panasonic Electronic ComponentsIn Stock: 8042ERA-2AEB1240X Datasheet

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RG1005P-1240-B-T5

SusumuIn Stock: 6088RG1005P-1240-B-T5 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RT0402CRD07124RL are qualified based on the following criteria:

Core Electrical Compatibility: All substitute parts maintain the 124 Ohm resistance value, 0.063W power rating, ±25ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range. These parameters are non-negotiable for direct substitution.

Package Standardization: All candidates use the 0402 (1005 Metric) package with identical footprint dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and 2 terminations, ensuring PCB layout compatibility.

Tolerance Enhancement: Substitute parts CPF0402B124RE1, ERA-2AEB1240X, and RG1005P-1240-B-T5 offer improved ±0.1% tolerance compared to the original ±0.25%, providing tighter resistance specification without compromising substitutability.

Compliance & Certification: All parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating. ERA-2AEB1240X and RG1005P-1240-B-T5 include AEC-Q200 automotive qualification; RG1005P-1240-B-T5 adds anti-sulfur protection.

Parameter Comparison

Engineering Selection Recommendations

Standard Applications: CPF0402B124RE1 (TE Connectivity Neohm series) provides direct substitution with improved ±0.1% tolerance specification and maintains identical height profile (0.014" max). Active product status and ROHS3 compliance ensure supply continuity.

Automotive & High-Reliability Applications: ERA-2AEB1240X (Panasonic ERA-2A series) and RG1005P-1240-B-T5 (Susumu RG series) both carry AEC-Q200 automotive qualification. RG1005P-1240-B-T5 adds anti-sulfur protection for corrosive environments. Both parts accept a 0.016" (0.40mm) maximum seated height, requiring PCB design verification for clearance-critical applications.

Supply Chain Flexibility: All three substitute parts maintain Active product status with substantial inventory availability (1156 to 7999 units), supporting procurement strategy across multiple manufacturers.

Frequently Asked Questions (FAQ)

Q: Can RT0402CRD07124RL be directly replaced with CPF0402B124RE1? A: Yes. Both parts share identical 124 Ohm resistance, 0.063W power rating, ±25ppm/°C temperature coefficient, -55°C to 155°C operating range, and 0402 package footprint. CPF0402B124RE1 offers improved ±0.1% tolerance and identical 0.014" maximum height, ensuring drop-in compatibility.

Q: What is the difference between the original part and ERA-2AEB1240X? A: ERA-2AEB1240X maintains all core electrical and mechanical specifications but includes AEC-Q200 automotive qualification and increases maximum seated height to 0.016". This additional 0.001" (0.05mm) height requires verification in space-constrained PCB layouts.

Q: Why does RG1005P-1240-B-T5 include anti-sulfur protection? A: Anti-sulfur protection is a material enhancement that prevents sulfur-induced corrosion on component terminations in high-sulfur environments. This feature does not affect electrical performance or package compatibility but extends component reliability in specific industrial and automotive applications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. RT0402CRD07124RL and all three substitute parts (CPF0402B124RE1, ERA-2AEB1240X, RG1005P-1240-B-T5) maintain ROHS3 compliance and REACH unaffected status.

Q: Can I use ERA-2AEB1240X or RG1005P-1240-B-T5 in non-automotive applications? A: Yes. Automotive qualification (AEC-Q200) is an additional certification that does not restrict use in standard commercial or industrial applications. These parts are fully compatible with any design requiring 124 Ohm 0402 thin film resistors.

Q: What is the impact of ±0.1% tolerance versus ±0.25% tolerance? A: The ±0.1% tolerance specification on substitute parts provides tighter resistance accuracy. In a 124 Ohm application, this represents ±0.124 Ohms versus ±0.31 Ohms for the original part. Substitution is valid for applications where the original ±0.25% tolerance was acceptable; tighter tolerance does not create incompatibility.