GRM1555C1E7R9DA01D Equivalent & Substitute Parts

Part Overview

The GRM1555C1E7R9DA01D is a 7.9 pF ceramic capacitor manufactured by Murata Electronics in the 0402 (1005 Metric) package. This component operates at 25V rated voltage with C0G/NP0 temperature coefficient and is designated as Not For New Designs. Due to its obsolescence status, identifying equivalent and substitute parts is necessary for ongoing production support, maintenance applications, and design continuity where this capacitor is currently deployed.

Substiute Parts

GRM1555C1E7R9DA01D

Murata ElectronicsIn Stock: 932GRM1555C1E7R9DA01D Datasheet

Current PartRFQ

GRM0335C1H7R9CA01D

Murata ElectronicsIn Stock: 1215GRM0335C1H7R9CA01D Datasheet

MFR RecommendedRFQ

CBR04C799B5GAC

KEMETIn Stock: 8382CBR04C799B5GAC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the GRM1555C1E7R9DA01D is determined by the following critical parameters:

• Capacitance Value: 7.9 pF (exact match required)
• Temperature Coefficient: C0G/NP0 (stability requirement)
• Operating Temperature Range: -55°C ~ 125°C (environmental compatibility)
• Voltage Rating: Minimum 25V (equal or higher acceptable)
• Mounting Type: Surface Mount, MLCC (assembly compatibility)
• RoHS Compliance: ROHS3 Compliant (regulatory requirement)
• Moisture Sensitivity: MSL 1 (handling and storage compatibility)

Two substitute parts meet these criteria with variations in package size and tolerance specifications.

Parameter Comparison

Engineering Selection Recommendations

GRM0335C1H7R9CA01D is the manufacturer-recommended substitute from Murata Electronics. This part maintains identical electrical characteristics and operating temperature range while offering improved tolerance (±0.25pF vs ±0.5pF) and higher voltage rating (50V vs 25V). The primary consideration is package size: the 0201 (0603 Metric) package is smaller than the original 0402 package, requiring PCB layout modification and assembly process validation.

CBR04C799B5GAC is a direct substitute from KEMET that maintains the identical 0402 (1005 Metric) package footprint, eliminating PCB redesign requirements. This part offers superior tolerance (±0.1pF) and higher voltage rating (50V). Both substitute parts are Active products with current manufacturing support and full ROHS3 compliance.

Selection between these substitutes depends on design constraints: choose GRM0335C1H7R9CA01D for tolerance-critical applications where PCB modification is acceptable, or CBR04C799B5GAC for designs requiring identical package footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can GRM0335C1H7R9CA01D be used as a direct replacement without PCB modification?

A: No. The GRM0335C1H7R9CA01D uses the 0201 (0603 Metric) package versus the original 0402 (1005 Metric) package. PCB layout modification and assembly process revalidation are required.

Q: What is the advantage of CBR04C799B5GAC over the original part?

A: CBR04C799B5GAC maintains identical 0402 package dimensions, eliminating PCB redesign. It provides tighter tolerance (±0.1pF vs ±0.5pF), higher voltage rating (50V vs 25V), and is an Active product with ongoing manufacturing support.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both GRM0335C1H7R9CA01D and CBR04C799B5GAC are ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's compliance profile.

Q: Can either substitute be used in RF or high-frequency applications?

A: CBR04C799B5GAC is specified for RF, Microwave, and High Frequency applications with High Q, Low Loss, and Ultra Low ESR characteristics. GRM0335C1H7R9CA01D is specified for General Purpose applications. Application requirements determine suitability.

Q: What is the voltage derating consideration?

A: Both substitutes operate at 50V rated voltage, providing 2x margin over the original 25V rating. This higher voltage rating is compatible with 25V circuit designs and provides additional safety margin.