Equivalent & Substitute Parts for ECJ-2VB2A221K

Part Overview

The Panasonic ECJ-2VB2A221K is a 220 pF ±10% 100V ceramic capacitor with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production support. The X7R dielectric provides stable capacitance across the operating temperature range of -55°C to 125°C, suitable for general-purpose bypass and decoupling applications.

Key Parameters

Parameter	Value
Capacitance	220 pF
Tolerance	±10%
Voltage Rating	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the ECJ-2VB2A221K is determined by strict equivalence in the following parameters:

Capacitance value: 220 pF (exact match required)
Voltage rating: 100V (minimum acceptable)
Package: 0805 (2012 Metric) surface mount
Temperature coefficient: X7R (for direct equivalents) or C0G/NP0 (for upgraded performance)
Tolerance: ±10% (direct equivalents) or tighter tolerance (upgrades)
Operating temperature: -55°C to 125°C minimum
Moisture sensitivity: MSL 1

Direct substitutes maintain identical electrical and mechanical specifications. Upgrade substitutes offer improved performance characteristics such as tighter tolerance or enhanced temperature stability while maintaining full compatibility with the original footprint and electrical requirements.

Parameter Comparison

Manufacturer	Part Number	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Status
Panasonic	ECJ-2VB2A221K	220 pF	±10%	100V	X7R	0805	0.95mm	Obsolete
KEMET	C0805C221K1RAC7800	220 pF	±10%	100V	X7R	0805	0.88mm	Active
YAGEO	CC0805KRX7R0BB221	220 pF	±10%	100V	X7R	0805	0.70mm	Active
Murata Electronics	GRM2165C2A221JA01D	220 pF	±5%	100V	C0G/NP0	0805	0.70mm	Not For New Designs
KYOCERA AVX	KGM21NR72A221KT	220 pF	±10%	100V	X7R	0805	1.00mm	Active
Vishay Vitramon	VJ0805Y221KXBCW1BC	220 pF	±10%	100V	X7R	0805	0.90mm	Active
Vishay Vitramon	VJ0805Y221KXBPW1BC	220 pF	±10%	100V	X7R	0805	0.90mm	Active
Knowles Novacap	0805D221J101KHT	220 pF	±5%	100V	C0G/NP0	0805	1.37mm	Active
KEMET	C0805C221F1GAC7800	220 pF	±1%	100V	C0G/NP0	0805	0.88mm	Active
KEMET	C0805C221J1GAC7800	220 pF	±5%	100V	C0G/NP0	0805	0.88mm	Active
KEMET	C0805C221J1RAC7800	220 pF	±5%	100V	X7R	0805	0.88mm	Active

Engineering Selection Recommendations

Direct Equivalents (X7R, ±10% Tolerance)

KEMET C0805C221K1RAC7800, YAGEO CC0805KRX7R0BB221, KYOCERA AVX KGM21NR72A221KT, and Vishay Vitramon VJ0805Y221KXBCW1BC / VJ0805Y221KXBPW1BC provide direct electrical and mechanical equivalence to the ECJ-2VB2A221K. All are active products with ROHS3 compliance and MSL 1 rating. These parts are suitable for direct replacement in existing designs without circuit modification.

Upgraded Substitutes (C0G/NP0 Temperature Coefficient)

Murata Electronics GRM2165C2A221JA01D, Knowles Novacap 0805D221J101KHT, KEMET C0805C221F1GAC7800, and KEMET C0805C221J1GAC7800 offer improved temperature stability through C0G/NP0 dielectric material. These parts maintain 100V rating and 0805 package compatibility while providing tighter tolerance specifications (±5% or ±1%). Murata part is classified as "Not For New Designs." Knowles Novacap part extends operating temperature to 200°C and has REACH Affected status.

Upgraded Substitute (X7R, ±5% Tolerance)

KEMET C0805C221J1RAC7800 maintains X7R temperature coefficient while offering ±5% tolerance improvement over the original ±10% specification. This part is active and ROHS3 compliant.

All substitute parts are packaged in Tape & Reel (TR) or Cut Tape (CT) formats suitable for automated assembly. Thickness variations range from 0.70mm to 1.37mm; verify PCB clearance for applications with height constraints.

Frequently Asked Questions (FAQ)

Q: Can I use a C0G/NP0 capacitor as a substitute for the X7R ECJ-2VB2A221K?

A: Yes. C0G/NP0 dielectric provides superior temperature stability compared to X7R and is fully compatible with the 0805 package footprint. The 220 pF capacitance and 100V rating remain identical. This represents an upgrade in performance characteristics.

Q: What is the difference between direct equivalents and upgraded substitutes?

A: Direct equivalents (KEMET C0805C221K1RAC7800, YAGEO CC0805KRX7R0BB221, KYOCERA AVX KGM21NR72A221KT, Vishay VJ0805Y221KXBCW1BC) maintain identical specifications including X7R temperature coefficient and ±10% tolerance. Upgraded substitutes offer improved tolerance (±5% or ±1%) or different temperature coefficient (C0G/NP0) while maintaining electrical compatibility.

Q: Are there any thickness constraints I should consider?

A: The original ECJ-2VB2A221K has a maximum thickness of 0.95mm. Substitute parts range from 0.70mm to 1.37mm. YAGEO CC0805KRX7R0BB221 and Murata GRM2165C2A221JA01D are thinner (0.70mm), while Knowles Novacap 0805D221J101KHT is thicker (1.37mm). Verify PCB layout clearance for your specific application.

Q: Which substitute offers the best availability?

A: YAGEO CC0805KRX7R0BB221 has the highest inventory (169,840 pcs), followed by KEMET C0805C221J1GAC7800 (70,681 pcs). Both are active products with immediate availability.

Q: Is the Murata GRM2165C2A221JA01D suitable for new designs?

A: Murata GRM2165C2A221JA01D is classified as "Not For New Designs." While electrically compatible, KEMET, YAGEO, KYOCERA AVX, Vishay, or Knowles Novacap alternatives are recommended for new product development.

Q: What compliance certifications apply to these substitutes?

A: All active substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating. REACH status varies: most parts are REACH Unaffected; Knowles Novacap 0805D221J101KHT is REACH Affected. All parts carry EAR99 ECCN classification and 8532.24.0020 HTSUS code.

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