MCA1206MD1002DP500 Equivalent & Substitute Parts

Part Overview

The MCA1206MD1002DP500 is a 10 kOhms ±0.5% 0.25W (1/4W) Chip Resistor in 1206 (3216 Metric) package from Vishay Beyschlag/Draloric/BC Components. This thin film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for applications requiring reliable performance across -55°C to 175°C operating temperature range. The part is currently active in production with 1147 pieces in stock. Equivalent and substitute parts are identified based on matching resistance value, package configuration, and electrical performance parameters while maintaining automotive-grade reliability standards.

Substiute Parts

MCA1206MD1002DP500

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 1256MCA1206MD1002DP500 Datasheet

Current PartRFQ

MCA1206MD1002BP100

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 1179MCA1206MD1002BP100 Datasheet

UpgradeRFQ

PATT1206E1002BGT1

Vishay Dale Thin FilmIn Stock: 9236PATT1206E1002BGT1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MCA1206MD1002DP500 are qualified based on the following criteria:

Core Matching Parameters:

• Resistance value: 10 kOhms (exact match required)
• Package configuration: 1206 (3216 Metric) form factor
• Composition: Thin film construction
• Automotive qualification: AEC-Q200 rated
• RoHS compliance: ROHS3 Compliant
• Moisture Sensitivity Level: MSL 1

Allowable Variations:

• Tolerance: May be equal to or tighter than ±0.5%
• Power rating: May be equal to or greater than 0.25W
• Operating temperature range: May be equal to or wider than -55°C ~ 175°C
• Packaging format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable for component selection purposes

The identified substitutes maintain all critical electrical and mechanical parameters while offering enhanced specifications in tolerance and thermal performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

MCA1206MD1002BP100 is a direct upgrade substitute offering tighter tolerance (±0.1% versus ±0.5%) while maintaining identical power rating, package dimensions, and operating temperature floor. Both parts share the same manufacturer family (Vishay Beyschlag/Draloric/BC Components MCA AT series) and AEC-Q200 automotive qualification. This substitute is suitable for applications requiring improved tolerance performance without thermal or power derating concerns.

PATT1206E1002BGT1 is an enhanced substitute from Vishay Dale Thin Film series, providing tighter tolerance (±0.1%), increased power rating (0.4W versus 0.25W), and extended upper operating temperature limit (250°C versus 175°C). The seated height is reduced to 0.018" (0.46mm) compared to 0.026" (0.65mm) for the original part. This substitute is applicable for designs requiring higher thermal headroom or increased power dissipation capacity while maintaining the 1206 package footprint and AEC-Q200 compliance.

All three parts maintain ROHS3 compliance, MSL 1 rating, and anti-sulfur thin film construction suitable for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can MCA1206MD1002BP100 be used as a direct replacement for MCA1206MD1002DP500?

A: Yes. Both parts share identical resistance (10 kOhms), package (1206), power rating (0.25W), and operating temperature floor (-55°C). The MCA1206MD1002BP100 offers improved tolerance (±0.1% versus ±0.5%), making it a compatible upgrade for circuits where tighter tolerance is beneficial or neutral.

Q: What are the physical differences between these substitutes?

A: The PATT1206E1002BGT1 has a lower seated height of 0.018" (0.46mm) compared to 0.026" (0.65mm) for both MCA series parts. All three maintain identical length (0.126") and width (0.063") for the 1206 package footprint. This height difference may be relevant for applications with strict PCB clearance constraints.

Q: Are all three parts automotive-qualified?

A: Yes. All three parts carry AEC-Q200 automotive qualification, anti-sulfur coating, and ROHS3 compliance, meeting automotive reliability standards.

Q: Which substitute should be selected for high-temperature applications?

A: The PATT1206E1002BGT1 supports operating temperatures up to 250°C, compared to 175°C for MCA1206MD1002DP500 and 155°C for MCA1206MD1002BP100. Selection depends on the specific upper temperature requirement of the application.

Q: Do packaging format differences (Tape & Reel versus Cut Tape) affect component compatibility?

A: Packaging format differences do not affect electrical or mechanical compatibility. Format selection is determined by assembly process requirements and inventory management practices rather than circuit performance.

Q: Can PATT1206E1002BGT1 be used in applications designed for 0.25W power rating?

A: Yes. The PATT1206E1002BGT1 with 0.4W rating can be used in circuits specified for 0.25W, as it provides additional power dissipation margin. The actual power dissipation in the circuit remains unchanged; the higher rating provides design headroom.