Equivalent & Substitute Parts for D2TO020C20R00FRE3

Part Overview

The D2TO020C20R00FRE3 is a 20 Ohm ±1% 20W chip resistor manufactured by Vishay Sfernice in TO-263-3 (D2PAK) package. This thick film resistor is designed for automotive applications with AEC-Q200 qualification, moisture resistance, and non-inductive characteristics. The part is currently active in production with 850 pieces in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained while offering enhanced performance characteristics or improved availability.

Substiute Parts

D2TO020C20R00FRE3

Vishay SferniceIn Stock: 948D2TO020C20R00FRE3 Datasheet

Current PartRFQ

D2TO035C20R00FRE3

Vishay SferniceIn Stock: 1516D2TO035C20R00FRE3 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The D2TO035C20R00FRE3 qualifies as a substitute for the D2TO020C20R00FRE3 based on the following substitution criteria:

Maintained Electrical Parameters:

• Resistance value: 20 Ohms (identical)
• Tolerance: ±1% (identical)
• Temperature Coefficient: ±150ppm/°C (identical)
• Composition: Thick Film (identical)

Maintained Mechanical Parameters:

• Package Type: TO-263-3, D2PAK (2 Leads + Tab) (identical)
• Physical dimensions: 0.398" L x 0.346" W / 10.10mm x 8.80mm (identical)
• Height - Seated (Max): 0.189" (4.80mm) (identical)
• Number of Terminations: 2 (identical)

Enhanced Characteristics:

• Power Rating: 35W (upgraded from 20W)
• Operating Temperature Range: -55°C ~ 175°C (extended from -55°C ~ 155°C)
• Automotive Rating: AEC-Q200 (maintained)
• RoHS Status: ROHS3 Compliant (maintained)

The substitute part maintains full electrical and mechanical compatibility while providing increased power dissipation capability and extended upper temperature limit.

Parameter Comparison

Engineering Selection Recommendations

Both the D2TO020C20R00FRE3 and D2TO035C20R00FRE3 are active production parts with full AEC-Q200 automotive qualification and ROHS3 compliance. The D2TO035C20R00FRE3 provides enhanced thermal performance through increased power dissipation capability (35W versus 20W) and extended operating temperature range (-55°C to 175°C versus -55°C to 155°C). Both parts maintain identical electrical specifications, mechanical dimensions, and package configuration. Selection between these parts depends on application power dissipation requirements and thermal operating conditions. The substitute part is suitable for applications requiring higher power handling or operation at elevated temperatures within the automotive specification range.

Frequently Asked Questions (FAQ)

Q: Can D2TO035C20R00FRE3 be used as a direct replacement for D2TO020C20R00FRE3?

A: Yes. Both parts share identical resistance value (20 Ohms), tolerance (±1%), temperature coefficient (±150ppm/°C), and package configuration (TO-263-3 D2PAK). Physical dimensions and termination count are identical, enabling direct PCB compatibility.

Q: What are the key differences between these two parts?

A: The primary differences are power rating (35W versus 20W) and maximum operating temperature (175°C versus 155°C). The D2TO035C20R00FRE3 provides enhanced thermal performance while maintaining all other electrical and mechanical specifications.

Q: Are both parts automotive qualified?

A: Yes. Both the D2TO020C20R00FRE3 and D2TO035C20R00FRE3 carry AEC-Q200 automotive qualification and are ROHS3 compliant.

Q: Will the substitute part fit the same PCB footprint?

A: Yes. Both parts use identical TO-263-3 (D2PAK) package with matching dimensions of 10.10mm x 8.80mm and height of 4.80mm maximum.

Q: What is the moisture sensitivity level for both parts?

A: Both parts have MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.