Riedon S1-0R05J1 Equivalent & Substitute Parts

Part Overview

The Riedon S1-0R05J1 is a 50 mOhms ±5% wirewound chip resistor rated at 0.5W (1/2W) in a 1913 J-Lead package. This current sense resistor is designed for precision measurement applications requiring low resistance values with flame-proof, moisture-resistant, and pulse-withstanding characteristics. The part is Active status and ROHS3 compliant. Substitute parts are identified when electrical and mechanical parameters remain within allowable tolerances for the application.

Substiute Parts

S1-0R05J1

RiedonIn Stock: 1005S1-0R05J1 Datasheet

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S1-0R05F1

RiedonIn Stock: 1772S1-0R05F1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the S1-0R05J1 is determined by the following critical parameters:

• Resistance value: 50 mOhms (exact match required)
• Package / Case: 1913 J-Lead (mechanical compatibility)
• Power rating: 0.5W minimum (thermal capability)
• Composition: Wirewound (electrical performance characteristics)
• Operating temperature range: -55°C to 275°C (environmental suitability)
• Physical dimensions: 0.189" L x 0.130" W, height 0.126" max (PCB layout compatibility)
• Compliance: ROHS3, MSL 1 (regulatory and handling requirements)

The S1-0R05F1 qualifies as a substitute because it maintains identical values for all critical parameters while offering improved tolerance specification (±1% versus ±5%).

Parameter Comparison

Engineering Selection Recommendations

The S1-0R05F1 is a direct substitute for the S1-0R05J1 based on identical electrical, mechanical, and compliance specifications. Both parts are Active status products manufactured by Riedon and maintain ROHS3 compliance and REACH affected status. The S1-0R05F1 offers superior tolerance performance at ±1% compared to the ±5% tolerance of the S1-0R05J1, making it suitable for applications requiring tighter resistance accuracy without any compromise to thermal, environmental, or regulatory requirements. Both parts share identical MSL 1 classification, operating temperature range, and physical dimensions, ensuring direct PCB compatibility.

Frequently Asked Questions (FAQ)

Q: Can the S1-0R05F1 be used as a direct replacement for the S1-0R05J1?

A: Yes. Both parts share identical resistance value (50 mOhms), power rating (0.5W), package type (1913 J-Lead), physical dimensions, operating temperature range (-55°C to 275°C), and all functional features. The S1-0R05F1 provides tighter tolerance (±1% versus ±5%).

Q: What is the primary difference between these two parts?

A: The tolerance specification differs. The S1-0R05J1 has ±5% tolerance, while the S1-0R05F1 has ±1% tolerance. All other electrical and mechanical parameters are identical.

Q: Are there any PCB layout considerations when substituting?

A: No. Both parts have identical dimensions (0.189" L x 0.130" W, height 0.126" max) and the same 1913 J-Lead package, ensuring identical footprint compatibility.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both parts are ROHS3 compliant, REACH affected, classified as EAR99, and share the same HTSUS code (8533.21.0080). Both have MSL 1 (Unlimited) moisture sensitivity level.

Q: Which part should be selected for new designs?

A: Selection depends on tolerance requirements. For applications requiring ±5% tolerance, either part is suitable. For applications requiring tighter tolerance control, the S1-0R05F1 (±1%) is the appropriate choice.