08055A220KAT2P Ceramic Capacitor 22pF 50V C0G/NP0 0805 Equivalent & Substitute Parts

Part Overview

The 08055A220KAT2P is a 22 pF ceramic capacitor manufactured by KYOCERA AVX in 0805 (2012 Metric) surface mount package with C0G/NP0 temperature coefficient and 50V rated voltage. This part is discontinued at DiGi Electronics. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for production and repair applications. Substitute parts maintain identical capacitance, package, and temperature coefficient specifications while offering variations in tolerance, voltage rating, and active product status.

Key Parameters

Parameter	Value
Capacitance	22 pF
Tolerance	±10%
Voltage - Rated	50V
Temperature Coefficient	C0G, NP0
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Size / Dimension	0.079" L x 0.049" W (2.01mm x 1.25mm)
Thickness (Max)	0.037" (0.94mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 08055A220KAT2P are grouped based on the following substitution criteria:

Primary Substitution Parameters (Must Match):

Capacitance: 22 pF
Temperature Coefficient: C0G/NP0
Package / Case: 0805 (2012 Metric)
Mounting Type: Surface Mount, MLCC
Physical Dimensions: 0.079" L x 0.049" W (2.01mm x 1.25mm)
Operating Temperature Range: -55°C ~ 125°C

Secondary Substitution Parameters (Allowable Variations):

Tolerance: ±1%, ±2%, ±5%, ±10%
Voltage - Rated: 50V, 100V, 200V (higher voltage ratings are backward compatible)
Product Status: Active or Discontinued
Packaging Format: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®

All substitute parts listed maintain identical electrical performance within the specified operating temperature range and are compatible with the original design footprint and mounting requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage - Rated	Temperature Coefficient	Product Status	Packaging	Inventory (Pcs)
08055A220KAT2P	KYOCERA AVX	22 pF	±10%	50V	C0G, NP0	Discontinued	-	736
KGM21BCG1H220FT	KYOCERA AVX	22 pF	±1%	50V	C0G, NP0	Active	Tape & Reel (TR)	4846
KGM21BCG1H220GT	KYOCERA AVX	22 pF	±2%	50V	C0G, NP0	Active	Tape & Reel (TR)	7610
KGM21BCG1H220JT	KYOCERA AVX	22 pF	±5%	50V	C0G, NP0	Active	Tape & Reel (TR)	74066
KGM21BCG2A220FT	KYOCERA AVX	22 pF	±1%	100V	C0G, NP0	Active	Tape & Reel (TR)	17271
KGM21BCG2A220GT	KYOCERA AVX	22 pF	±2%	100V	C0G, NP0	Active	Tape & Reel (TR)	16960
KGM21BCG2A220JT	KYOCERA AVX	22 pF	±5%	100V	C0G, NP0	Active	Tape & Reel (TR)	71290
KGM21BCG2A220KT	KYOCERA AVX	22 pF	±10%	100V	C0G, NP0	Active	Tape & Reel (TR)	21434
KGM21BCG2D220JT	KYOCERA AVX	22 pF	±5%	200V	C0G, NP0	Active	Tape & Reel (TR)	47938
KGM21BCG2D220KT	KYOCERA AVX	22 pF	±10%	200V	C0G, NP0	Active	Tape & Reel (TR)	5886
08055C220JAT2A	KYOCERA AVX	22 pF	±5%	50V	X7R	Active	Cut Tape (CT) & Digi-Reel®	14929

Engineering Selection Recommendations

Direct Substitutes (Same Voltage Rating - 50V):

KGM21BCG1H220FT, KGM21BCG1H220GT, and KGM21BCG1H220JT are direct substitutes with identical 50V voltage rating and C0G/NP0 temperature coefficient. These parts are active products with improved tolerance specifications (±1%, ±2%, ±5%) compared to the original ±10% tolerance. Selection among these three depends on tolerance requirements: KGM21BCG1H220FT for ±1% precision applications, KGM21BCG1H220GT for ±2% tolerance, and KGM21BCG1H220JT for ±5% tolerance with highest inventory availability.

Higher Voltage Substitutes (100V and 200V Ratings):

KGM21BCG2A220FT, KGM21BCG2A220GT, KGM21BCG2A220JT, and KGM21BCG2A220KT provide 100V rated alternatives. KGM21BCG2D220JT and KGM21BCG2D220KT provide 200V rated alternatives. These higher voltage ratings are electrically compatible with 50V circuit designs and offer enhanced voltage margin. Selection is based on tolerance requirement and available inventory.

Alternative Temperature Coefficient:

08055C220JAT2A is an active product with X7R temperature coefficient instead of C0G/NP0. This part is suitable only for applications where X7R temperature stability is acceptable. X7R exhibits greater capacitance variation across temperature range compared to C0G/NP0 and should be selected only when circuit design permits this characteristic.

Product Status Consideration:

All KGM series parts are active products with established supply chains. The original 08055A220KAT2P is discontinued; therefore, active substitute parts ensure long-term component availability for production and field service requirements.

Frequently Asked Questions (FAQ)

Q: Can I use KGM21BCG2A220JT (100V) in place of 08055A220KAT2P (50V)?

A: Yes. The 100V rated part is electrically compatible with 50V circuit designs. Higher voltage rating provides additional safety margin and does not affect circuit performance. Physical dimensions and mounting characteristics are identical.

Q: What is the difference between C0G/NP0 and X7R temperature coefficients?

A: C0G/NP0 provides stable capacitance across the -55°C to 125°C operating range with minimal variation. X7R exhibits greater capacitance change over temperature. Use C0G/NP0 for precision timing circuits, filters, and oscillators. Use X7R only when circuit design accommodates capacitance variation.

Q: Which substitute part has the best tolerance specification?

A: KGM21BCG1H220FT offers ±1% tolerance, the tightest specification available. KGM21BCG1H220GT provides ±2% tolerance. Both are suitable for precision applications requiring tight capacitance control.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's environmental certifications.

Q: What packaging formats are available?

A: The original part used standard packaging. Substitute parts are available in Tape & Reel (TR) format for automated assembly and Cut Tape (CT) & Digi-Reel® format for manual or small-batch applications.

Q: Can I mix different tolerance grades in the same circuit board?

A: Yes, provided circuit design tolerates the combined tolerance stack-up. For critical applications, maintain consistent tolerance grades across all 22 pF capacitors in the design.

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