MBASU105SCG080DFNA01 Equivalent & Substitute Parts

Part Overview

The MBASU105SCG080DFNA01 is an 8 pF ceramic capacitor manufactured by Taiyo Yuden, rated for 50V with C0G/NP0 temperature coefficient characteristics. This surface-mount multilayer ceramic capacitor (MLCC) in 0402 package format is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is currently active and RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit selection from multiple qualified manufacturers. The substitute parts listed maintain identical electrical specifications and mechanical compatibility while offering alternative sourcing options.

Key Parameters

Parameter	Value
Capacitance	8 pF
Tolerance	±0.5pF
Voltage Rating	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C to 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)
Maximum Thickness	0.022" (0.55mm)
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MBASU105SCG080DFNA01 is determined by strict equivalence across the following parameters:

Critical Electrical Parameters:

Capacitance value: 8 pF
Tolerance: ±0.5pF
Voltage rating: 50V
Temperature coefficient: C0G/NP0

Critical Mechanical Parameters:

Package type: 0402 (1005 Metric)
Mounting type: Surface Mount, MLCC
Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
Maximum thickness: 0.022" (0.55mm)

Compliance Parameters:

RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)

All substitute parts listed maintain 100% equivalence across these parameters. Variations in product status, series designation, packaging format (Tape & Reel vs. Cut Tape), and application classification do not affect electrical or mechanical interchangeability.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Operating Temperature	Package	Dimensions (L x W)	Thickness (Max)	Mounting Type	MSL	RoHS Status	Product Status
MBASU105SCG080DFNA01	Taiyo Yuden	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
MCASU105SCG080DFNA01	Taiyo Yuden	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
0402N8R0D500CT	Walsin Technology Corporation	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
AC0402DRNPO9BN8R0	YAGEO	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
C1005C0G1H080D050BA	TDK Corporation	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Not For New Designs
CBR04C809D5GAC	KEMET	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
CC0402DRNPO9BN8R0	YAGEO	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
CGA2B2C0G1H080D050BA	TDK Corporation	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
CL05C080DB51PNC	Samsung Electro-Mechanics	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
GCM1555C1H8R0DA16D	Murata Electronics	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active
GCM1555C1H8R0DA16J	Murata Electronics	8 pF	±0.5pF	50V	C0G, NP0	-55°C ~ 125°C	0402 (1005 Metric)	0.039" x 0.020" (1.00mm x 0.50mm)	0.022" (0.55mm)	Surface Mount, MLCC	1	ROHS3 Compliant	Active

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical equivalence to the MBASU105SCG080DFNA01. Selection among these alternatives is based on the following criteria:

Active Product Status: Parts with Active product status are preferred for new designs. The following parts carry Active status and are suitable for ongoing production and new design implementations:

MCASU105SCG080DFNA01 (Taiyo Yuden)
0402N8R0D500CT (Walsin Technology Corporation)
AC0402DRNPO9BN8R0 (YAGEO)
CBR04C809D5GAC (KEMET)
CC0402DRNPO9BN8R0 (YAGEO)
CGA2B2C0G1H080D050BA (TDK Corporation)
CL05C080DB51PNC (Samsung Electro-Mechanics)
GCM1555C1H8R0DA16D (Murata Electronics)
GCM1555C1H8R0DA16J (Murata Electronics)

Automotive-Qualified Parts: For applications requiring automotive-grade components with AEC-Q200 certification, the following parts are qualified:

MCASU105SCG080DFNA01 (Taiyo Yuden)
AC0402DRNPO9BN8R0 (YAGEO)
CGA2B2C0G1H080D050BA (TDK Corporation)
CL05C080DB51PNC (Samsung Electro-Mechanics)
GCM1555C1H8R0DA16D (Murata Electronics)
GCM1555C1H8R0DA16J (Murata Electronics)

Obsolescence Consideration: The part C1005C0G1H080D050BA (TDK Corporation) carries "Not For New Designs" status and should be avoided for new product development, though it remains electrically and mechanically equivalent.

Packaging Format: The primary part MBASU105SCG080DFNA01 is supplied in Tape & Reel (TR) format. Most substitute parts are also available in Tape & Reel format. The exception is CBR04C809D5GAC (KEMET), which is supplied in Cut Tape (CT) format. This packaging difference does not affect electrical or mechanical compatibility but may impact procurement and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can I substitute MBASU105SCG080DFNA01 with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts maintain identical electrical specifications (8 pF capacitance, ±0.5pF tolerance, 50V rating, C0G/NP0 temperature coefficient) and mechanical compatibility (0402 package, surface-mount configuration, identical physical dimensions). No circuit redesign is required.

Q: What is the difference between C0G and NP0 temperature coefficients?

A: C0G and NP0 designations refer to the same temperature coefficient characteristic. C0G is the EIA designation, while NP0 is the IEC designation. Both indicate zero temperature coefficient performance across the operating range of -55°C to 125°C.

Q: Why do some substitute parts have AEC-Q200 certification while others do not?

A: AEC-Q200 is an automotive qualification standard. Parts with this certification have undergone additional testing and qualification for automotive applications. Parts without this certification are suitable for general-purpose applications. The presence or absence of AEC-Q200 does not affect electrical or mechanical equivalence.

Q: What does "Not For New Designs" status mean for the C1005C0G1H080D050BA part?

A: This status indicates that while the part remains electrically and mechanically equivalent and is still available in inventory, the manufacturer recommends using alternative parts for new product development. This part can be used as a substitute in existing designs or for legacy product support.

Q: Does the difference between Tape & Reel and Cut Tape packaging affect compatibility?

A: Packaging format does not affect electrical or mechanical compatibility. The difference is in procurement and assembly logistics. Tape & Reel format is typically used for automated assembly processes, while Cut Tape format is used for manual or semi-automated processes. The component itself is identical.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts, including the primary part MBASU105SCG080DFNA01, are RoHS3 compliant and have unlimited moisture sensitivity level (MSL 1).

Q: Can I use CBR04C809D5GAC as a direct substitute in RF and microwave applications?

A: Yes. The CBR04C809D5GAC is specifically designed for RF and microwave applications with high Q, low loss, and ultra-low ESR characteristics. It maintains full electrical and mechanical equivalence to the MBASU105SCG080DFNA01 and is suitable for RF/microwave circuit implementations.

Q: What inventory levels should I consider when selecting a substitute part?

A: Inventory availability varies significantly among substitute parts. CL05C080DB51PNC (Samsung Electro-Mechanics) has the highest inventory at 600,100 pieces, while CBR04C809D5GAC (KEMET) has lower inventory at 815 pieces. Inventory levels should be evaluated based on production volume requirements and supply chain strategy.

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