GCM32DR71H474KA37K Equivalent & Substitute Parts

Part Overview

The GCM32DR71H474KA37K is a 0.47 µF ceramic capacitor manufactured by Murata Electronics, rated for 50V with X7R temperature coefficient characteristics. This component is packaged in 1210 (3225 Metric) form factor and is designed for surface mount applications in automotive environments. The part carries AEC-Q200 automotive qualification and ROHS3 compliance.

This part is designated as "Not For New Designs," indicating it has been superseded or is approaching end-of-life status. Identifying equivalent substitute parts with identical electrical specifications is necessary for ongoing production support, maintenance applications, and design flexibility where package constraints permit alternative form factors.

Substiute Parts

GCM32DR71H474KA37K

Murata ElectronicsIn Stock: 1274GCM32DR71H474KA37K Datasheet

Current PartRFQ

GCM21BR71H474KA55K

Murata ElectronicsIn Stock: 147124GCM21BR71H474KA55K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the GCM32DR71H474KA37K are identified based on electrical parameter equivalence. The following criteria establish substitution validity:

Electrical Equivalence Requirements:

• Capacitance value: 0.47 µF (exact match)
• Voltage rating: 50V (minimum requirement)
• Tolerance: ±10% (exact match)
• Temperature coefficient: X7R (exact match)
• Operating temperature range: -55°C ~ 125°C (minimum requirement)

Compliance Requirements:

• AEC-Q200 automotive qualification
• ROHS3 compliance
• Moisture Sensitivity Level 1

Mechanical Considerations:

• Mounting type: Surface Mount, MLCC (required)
• Package form factor: May differ from 1210 if circuit board layout permits

The GCM21BR71H474KA55K qualifies as an electrical substitute, maintaining all critical electrical parameters while utilizing a smaller 0805 (2012 Metric) package form factor. This substitution is valid where printed circuit board space constraints or design revisions accommodate the reduced footprint.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Footprint): The GCM32DR71H474KA37K is designated "Not For New Designs." When direct 1210 package replacement is required, alternative 1210-packaged 0.47 µF 50V X7R capacitors from Murata Electronics or other qualified manufacturers meeting AEC-Q200 and ROHS3 requirements should be evaluated.

For Design Flexibility (Smaller Footprint): The GCM21BR71H474KA55K is an active product offering identical electrical specifications in a smaller 0805 package. This substitute is applicable when:

• Printed circuit board layout can accommodate the reduced footprint (0.079" L x 0.049" W versus 0.126" L x 0.098" W)
• Design revisions or board re-layout are feasible
• Active product status is preferred for long-term supply chain stability

Both parts maintain full compliance with automotive qualification (AEC-Q200), environmental regulations (ROHS3), and operational requirements across the -55°C to 125°C temperature range.

Frequently Asked Questions (FAQ)

Q: Can the GCM21BR71H474KA55K replace the GCM32DR71H474KA37K in existing designs?

A: Electrical substitution is valid. The 0805 package is physically smaller than the 1210 package. Substitution requires verification that the printed circuit board layout accommodates the reduced footprint and that assembly equipment supports 0805 component placement.

Q: What are the key electrical parameters that must match for substitution?

A: Capacitance (0.47 µF), voltage rating (50V minimum), tolerance (±10%), temperature coefficient (X7R), and operating temperature range (-55°C ~ 125°C) must all match. These parameters determine circuit function and reliability.

Q: Why is the main part marked "Not For New Designs"?

A: This designation indicates the part is superseded or approaching end-of-life. New designs should utilize active products such as the GCM21BR71H474KA55K to ensure long-term component availability and supply chain stability.

Q: Are both parts automotive-qualified?

A: Yes. Both the GCM32DR71H474KA37K and GCM21BR71H474KA55K carry AEC-Q200 automotive qualification and are suitable for automotive applications.

Q: What is the difference in physical dimensions between these parts?

A: The GCM32DR71H474KA37K (1210 package) measures 0.126" L x 0.098" W x 0.089" thick. The GCM21BR71H474KA55K (0805 package) measures 0.079" L x 0.049" W x 0.055" thick. The 0805 is approximately 37% smaller in length and 50% smaller in width.

Q: Do both parts have the same moisture sensitivity requirements?

A: Yes. Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control measures are required during storage or handling.

Q: What compliance certifications apply to both parts?

A: Both parts are ROHS3 compliant and REACH unaffected. Both carry AEC-Q200 automotive qualification ratings.