GCM155R71E682KA37D Equivalent & Substitute Parts

Part Overview

The GCM155R71E682KA37D is a 6800 pF ceramic capacitor manufactured by Murata Electronics, rated for 25V with X7R temperature coefficient in 0402 (1005 Metric) surface mount package. This part is AEC-Q200 qualified for automotive applications and carries Active product status. Substitute parts are identified when design requirements permit voltage rating upgrades, manufacturer changes, or when the original part faces inventory constraints or obsolescence.

Key Parameters

Parameter	Value
Capacitance	6800 pF
Tolerance	±10%
Voltage Rating	25V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Ratings	AEC-Q200
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the GCM155R71E682KA37D are categorized into two groups based on allowed electrical parameters:

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance, tolerance, temperature coefficient, and package, but with 50V voltage rating instead of 25V. These are direct functional upgrades suitable when circuit design permits higher voltage components. Voltage derating does not affect capacitance stability or temperature performance.

Parametric Equivalents (Same Voltage Rating): Parts from alternative manufacturers (YAGEO, KEMET, Samsung Electro-Mechanics, TDK) with identical electrical specifications: 6800 pF ±10%, 25V, X7R, 0402 package, AEC-Q200 rated, and automotive-grade compliance. These maintain full electrical and mechanical compatibility.

Substitution eligibility is determined by:

Capacitance value (6800 pF)
Tolerance (±10%)
Temperature coefficient (X7R)
Package footprint (0402 / 1005 Metric)
Voltage rating (25V or higher)
AEC-Q200 automotive qualification
RoHS3 and REACH compliance

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage Rating	Temperature Coefficient	Package	Product Status	Inventory (Pcs)
GCM155R71E682KA37D	Murata Electronics	6800 pF	25V	X7R	0402	Active	10209
GCM155R71H682KA55D	Murata Electronics	6800 pF	50V	X7R	0402	Active	62765
CGA2B2X7R1H682K050BA	TDK Corporation	6800 pF	50V	X7R	0402	Active	58326
AC0402KRX7R8BB682	YAGEO	6800 pF	25V	X7R	0402	Active	30647
C0402C682K3RACAUTO	KEMET	6800 pF	25V	X7R	0402	Active	664
CGJ2B2X7R1E682K050BA	TDK Corporation	6800 pF	25V	X7R	0402	Obsolete	1594
CL05B682KA5VPNC	Samsung Electro-Mechanics	6800 pF	25V	X7R	0402	Active	722

Engineering Selection Recommendations

For Direct Replacement (Same Voltage): AC0402KRX7R8BB682 (YAGEO) and CL05B682KA5VPNC (Samsung Electro-Mechanics) are Active status alternatives with identical electrical specifications and AEC-Q200 automotive qualification. Both maintain full compatibility with the original design.

For Voltage Upgrade Applications: GCM155R71H682KA55D (Murata Electronics, 50V) and CGA2B2X7R1H682K050BA (TDK Corporation, 50V) provide higher voltage margin while maintaining all other electrical parameters. These are suitable when circuit design permits component voltage derating.

Avoid: CGJ2B2X7R1E682K050BA carries Obsolete product status and should not be selected for new designs despite available inventory.

Compliance Verification: All recommended substitutes maintain AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with automotive manufacturing and reliability requirements.

Frequently Asked Questions (FAQ)

Q: Can GCM155R71H682KA55D (50V) replace GCM155R71E682KA37D (25V) in my circuit? A: Yes, if your circuit design permits. The 50V part is a voltage upgrade with identical capacitance, tolerance, temperature coefficient, and package. Voltage derating improves reliability margins without affecting electrical performance.

Q: Are YAGEO AC0402KRX7R8BB682 and Samsung CL05B682KA5VPNC fully compatible with the original Murata part? A: Yes. Both parts share identical electrical specifications (6800 pF ±10%, 25V, X7R), 0402 package footprint, AEC-Q200 automotive rating, and compliance certifications. They are parametric equivalents suitable for direct substitution.

Q: Why is CGJ2B2X7R1E682K050BA listed but not recommended? A: This part carries Obsolete product status. While inventory exists, it should not be selected for new designs due to long-term availability risk.

Q: What determines whether a part can substitute for GCM155R71E682KA37D? A: Substitution requires matching capacitance (6800 pF), tolerance (±10%), temperature coefficient (X7R), package (0402), and voltage rating equal to or greater than 25V. All substitutes must maintain AEC-Q200 automotive qualification and ROHS3 compliance.

Q: Does package footprint differ between these parts? A: No. All listed parts use 0402 (1005 Metric) surface mount package with identical dimensions (0.039" L × 0.020" W, 1.00mm × 0.50mm) and maximum thickness (0.022", 0.55mm). PCB layout compatibility is maintained across all substitutes.

Q: Which substitute offers the best inventory availability? A: GCM155R71H682KA55D (Murata Electronics, 50V upgrade) has the highest inventory at 62,765 pieces, followed by CGA2B2X7R1H682K050BA (TDK, 50V) at 58,326 pieces.

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