Equivalent & Substitute Parts for 1206J2000221MXT

Part Overview

The 1206J2000221MXT is a 220 pF ceramic capacitor manufactured by Knowles Syfer, rated at 200V with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained within the specified parameter tolerances for 1206 ceramic capacitor applications.

Key Parameters

Parameter	Value
Capacitance	220 pF
Tolerance	±20%
Voltage Rating	200V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 1206J2000221MXT is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance value: 220 pF (exact match required)
Package / Case: 1206 (3216 Metric) surface mount (exact match required)
Voltage rating: Equal to or greater than 200V
Temperature coefficient: X7R or C0G/NP0 (both acceptable for general purpose applications)
Operating temperature range: -55°C to 125°C minimum
Mounting type: Surface Mount, MLCC
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1 (Unlimited)

Substitute parts are grouped into two categories: direct replacements at 200V rating and upgraded alternatives at higher voltage ratings (500V or 630V). Higher voltage ratings provide additional design margin while maintaining identical physical dimensions and electrical performance at the specified operating conditions.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	RoHS Status
1206J2000221MXT	Knowles Syfer	220 pF	±20%	200V	X7R	1206 (3216 Metric)	0.063" (1.60mm)	ROHS3 Compliant
1206J5000221JCT	Knowles Syfer	220 pF	±5%	500V	C0G, NP0 (1B)	1206 (3216 Metric)	0.063" (1.60mm)	ROHS3 Compliant
C1206C221KCRAC7800	KEMET	220 pF	±10%	500V	X7R	1206 (3216 Metric)	0.053" (1.35mm)	ROHS3 Compliant
CC1206KKX7RBBB221	YAGEO	220 pF	±10%	500V	X7R	1206 (3216 Metric)	0.057" (1.45mm)	ROHS3 Compliant
CC1206KKX7RZBB221	YAGEO	220 pF	±10%	630V	X7R	1206 (3216 Metric)	0.057" (1.45mm)	ROHS3 Compliant
CC1206KRX7RABB221	YAGEO	220 pF	±10%	200V	X7R	1206 (3216 Metric)	0.037" (0.95mm)	ROHS3 Compliant
C1206C221G2GAC7800	KEMET	220 pF	±2%	200V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C1206C221GCGAC7800	KEMET	220 pF	±2%	500V	C0G, NP0	1206 (3216 Metric)	0.053" (1.35mm)	ROHS3 Compliant
C1206C221J2GAC7800	KEMET	220 pF	±5%	200V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	ROHS3 Compliant
C1206C221JBGAC7800	KEMET	220 pF	±5%	630V	C0G, NP0	1206 (3216 Metric)	0.043" (1.10mm)	ROHS3 Compliant
C1206C221JCGAC7800	KEMET	220 pF	±5%	500V	C0G, NP0	1206 (3216 Metric)	0.053" (1.35mm)	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance, meeting the regulatory and supply chain requirements of the original 1206J2000221MXT.

Direct Voltage Rating Equivalents (200V): CC1206KRX7RABB221 (YAGEO) and C1206C221G2GAC7800 / C1206C221J2GAC7800 (KEMET) provide direct substitution at the 200V rating with identical package dimensions. These parts maintain X7R or C0G/NP0 temperature coefficients within the -55°C to 125°C operating range.

Upgraded Voltage Rating Alternatives (500V / 630V): 1206J5000221JCT (Knowles Syfer), C1206C221KCRAC7800 (KEMET), CC1206KKX7RBBB221 (YAGEO), CC1206KKX7RZBB221 (YAGEO), C1206C221GCGAC7800 (KEMET), C1206C221JBGAC7800 (KEMET), and C1206C221JCGAC7800 (KEMET) provide higher voltage ratings while maintaining the 220 pF capacitance and 1206 package specification. These alternatives support applications requiring additional voltage margin.

Tolerance Considerations: The original part specifies ±20% tolerance. Substitute parts with tighter tolerances (±2%, ±5%, ±10%) are electrically compatible and provide improved capacitance stability. Selection should be based on circuit requirements for capacitance accuracy.

Frequently Asked Questions (FAQ)

Q: Can I use a 500V or 630V rated capacitor in place of the 200V 1206J2000221MXT?

A: Yes. Higher voltage ratings are compatible substitutes. The 1206 package dimensions remain constant across voltage ratings. Circuit operation is unaffected when a higher voltage-rated capacitor replaces a lower voltage-rated part at the same capacitance value.

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

A: Both temperature coefficients maintain the -55°C to 125°C operating range specified for this application. X7R exhibits ±15% capacitance change over temperature. C0G/NP0 exhibits ±30 ppm/°C change, providing superior stability. Selection depends on circuit sensitivity to capacitance variation.

Q: Are all substitute parts available in the same packaging format?

A: Most substitute parts are available in Tape & Reel (TR) packaging. CC1206KKX7RBBB221 (YAGEO) is available in Cut Tape (CT) & Digi-Reel format. Verify packaging requirements with your procurement specification before selection.

Q: Does tolerance affect substitution compatibility?

A: Tolerance affects capacitance accuracy but not substitution compatibility. The original ±20% tolerance and substitute tolerances (±2%, ±5%, ±10%) are all acceptable for general purpose applications. Tighter tolerances provide improved performance in circuits sensitive to capacitance variation.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's regulatory and environmental specifications.

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