UMK105CG080CV-F Equivalent & Substitute Parts

Part Overview

The UMK105CG080CV-F is an 8 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 50V operation with C0G/NP0 temperature coefficient characteristics. This surface mount multilayer ceramic capacitor (MLCC) is packaged in 0402 (1005 Metric) form factor and is designated as Not For New Designs. Identification of equivalent and substitute parts is necessary to support existing designs, ensure supply chain continuity, and provide alternative sourcing options from active product lines where applicable.

Key Parameters

Parameter	Value
Capacitance	8 pF
Tolerance	±0.25pF
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0402 (1005 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.039" L x 0.020" W (1.00mm x 0.50mm)
Thickness (Max)	0.022" (0.55mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the UMK105CG080CV-F is determined by strict equivalence across the following parameters: capacitance value (8 pF), tolerance (±0.25pF), voltage rating (50V), temperature coefficient (C0G/NP0), operating temperature range (-55°C ~ 125°C), package type (0402/1005 Metric), and mounting configuration (Surface Mount MLCC). All substitute parts listed meet these electrical and mechanical specifications without deviation. Substitute parts are categorized as Direct Substitutes (functionally identical with different packaging or product status) and Parametric Equivalents (identical electrical performance with potential application-specific features).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package	Thickness (Max)	Product Status	RoHS Status	MSL
UMK105CG080CV-F	Taiyo Yuden	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Not For New Designs	ROHS3 Compliant	1
04025A8R0CAT2A	KYOCERA AVX	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.56mm)	Active	ROHS3 Compliant	1
CL05C080CB5NCNC	Samsung Electro-Mechanics	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant	1
CL05C080CB5NNNC	Samsung Electro-Mechanics	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant	1
GJM1555C1H8R0CB01D	Murata Electronics	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant	1
GJM1555C1H8R0CB01J	Murata Electronics	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant	1
GMC04CG8R0C50NT	Cal-Chip Electronics, Inc.	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Active	ROHS3 Compliant	1
GRM1555C1H8R0CA01D	Murata Electronics	8 pF	±0.25pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.022" (0.55mm)	Not For New Designs	ROHS3 Compliant	1

Engineering Selection Recommendations

Active Product Status Substitutes: For new design implementations or long-term supply assurance, select from parts with Active product status: 04025A8R0CAT2A (KYOCERA AVX), CL05C080CB5NCNC (Samsung Electro-Mechanics), CL05C080CB5NNNC (Samsung Electro-Mechanics), GJM1555C1H8R0CB01D (Murata Electronics), GJM1555C1H8R0CB01J (Murata Electronics), or GMC04CG8R0C50NT (Cal-Chip Electronics, Inc.). These parts provide equivalent electrical performance with ongoing manufacturer support and supply continuity.

Existing Design Support: The UMK105CG080CV-F and GRM1555C1H8R0CA01D, both designated as Not For New Designs, remain suitable for sustaining existing production where design changes are not feasible. These parts maintain full electrical and mechanical compatibility with the original specification.

Compliance Assurance: All listed substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) rating, ensuring compatibility with standard manufacturing processes and storage requirements.

Packaging Considerations: The primary packaging difference is between Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. Selection should align with procurement and assembly line requirements. Physical dimensions and thickness specifications are equivalent across all substitutes, supporting direct board-level replacement.

Frequently Asked Questions (FAQ)

Q: Can I substitute the UMK105CG080CV-F with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts meet identical electrical specifications: 8 pF capacitance, ±0.25pF tolerance, 50V voltage rating, C0G/NP0 temperature coefficient, and -55°C ~ 125°C operating range. Physical package dimensions (0402/1005 Metric) and mounting type (Surface Mount MLCC) are equivalent, enabling direct substitution at the board level.

Q: What is the difference between Direct Substitutes and Parametric Equivalents?

A: Direct Substitutes (04025A8R0CAT2A, CL05C080CB5NCNC, CL05C080CB5NNNC) are functionally identical parts with variations in packaging format or product lifecycle status. Parametric Equivalents (GJM1555C1H8R0CB01D, GJM1555C1H8R0CB01J, GMC04CG8R0C50NT, GRM1555C1H8R0CA01D) meet all electrical and mechanical requirements and may include additional performance features such as High Q and Low Loss characteristics.

Q: Why are some parts marked as Not For New Designs?

A: Parts designated as Not For New Designs (UMK105CG080CV-F, GRM1555C1H8R0CA01D) are in mature or end-of-life phases. Manufacturers recommend these for sustaining existing production only. For new designs, select from Active status parts to ensure long-term availability and manufacturer support.

Q: Are there packaging format differences I should consider?

A: Yes. The UMK105CG080CV-F is supplied in Tape & Reel (TR) format. KYOCERA AVX 04025A8R0CAT2A is available in Cut Tape (CT) & Digi-Reel® format. Samsung Electro-Mechanics parts do not specify packaging format in the provided data. Verify packaging compatibility with your procurement and assembly processes before selection.

Q: Do all substitute parts have the same thickness specification?

A: Thickness specifications are equivalent within manufacturing tolerance. The UMK105CG080CV-F specifies 0.022" (0.55mm) maximum thickness. The KYOCERA AVX 04025A8R0CAT2A specifies 0.022" (0.56mm) maximum thickness. All other substitutes specify 0.022" (0.55mm). These variations are within standard PCB assembly clearance tolerances and do not affect board-level compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and carry Moisture Sensitivity Level 1 (Unlimited) rating, meeting standard environmental and manufacturing requirements.

Q: Which substitute offers the highest inventory availability?

A: GMC04CG8R0C50NT (Cal-Chip Electronics, Inc.) has the highest reported inventory at 150,946 pieces. GJM1555C1H8R0CB01D (Murata Electronics) has 235,951 pieces available. Inventory levels should be verified with suppliers for current availability.

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