1206J5000331KCT Equivalent & Substitute Parts

Part Overview

The 1206J5000331KCT is a 330 pF ±10% 500V ceramic capacitor manufactured by Knowles Syfer with C0G/NP0 temperature coefficient in 1206 (3216 Metric) surface mount package. This component is classified as Active product status and is widely used in general purpose applications requiring stable capacitance across temperature ranges from -55°C to 125°C. Substitute parts are necessary to address supply chain availability, inventory constraints, or specific design requirements such as improved tolerance grades or higher voltage ratings while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±10%
Voltage Rating	500V
Temperature Coefficient	C0G, NP0
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 1206J5000331KCT are classified into three categories based on electrical and mechanical compatibility:

Direct Substitutes (Electrical & Mechanical Equivalents): Parts with identical capacitance (330 pF), tolerance (±10%), voltage rating (500V), temperature coefficient (C0G/NP0), package (1206), and operating temperature range (-55°C ~ 125°C). These parts are pin-compatible and functionally interchangeable without circuit modification.

Upgrade Substitutes (Enhanced Performance): Parts with improved tolerance (±5% instead of ±10%) or higher voltage ratings (630V instead of 500V) while maintaining the same capacitance, package, and temperature coefficient. These provide superior performance margins and are backward compatible with designs requiring the original 500V/±10% specification.

Manufacturer-Recommended Alternatives (Different Dielectric): Parts with X7R temperature coefficient instead of C0G/NP0, maintaining the same capacitance, tolerance, voltage rating, package, and operating temperature range. X7R dielectric offers different temperature stability characteristics and may be selected based on specific application requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Product Status	Inventory
1206J5000331KCT	Knowles Syfer	330 pF	±10%	500V	C0G, NP0	1206	0.063" (1.60mm)	Active	928 Pcs
C1206C331KCGAC7800	KEMET	330 pF	±10%	500V	C0G, NP0	1206	0.053" (1.35mm)	Active	43108 Pcs
CC1206KRNPOBBN331	YAGEO	330 pF	±10%	500V	C0G, NP0	1206	0.028" (0.70mm)	Active	20011 Pcs
C1206C331JBGAC7800	KEMET	330 pF	±5%	630V	C0G, NP0	1206	0.069" (1.75mm)	Active	9104 Pcs
C1206C331JCGAC7800	KEMET	330 pF	±5%	500V	C0G, NP0	1206	0.053" (1.35mm)	Active	3902 Pcs
C3216C0G2J331K060AA	TDK Corporation	330 pF	±10%	630V	C0G, NP0	1206	0.030" (0.75mm)	Not For New Designs	9345 Pcs
CC1206JRNPOBBN331	YAGEO	330 pF	±5%	500V	C0G, NP0	1206	0.028" (0.70mm)	Active	17748 Pcs
KGM31VCG2H331JU	KYOCERA AVX	330 pF	±5%	500V	C0G, NP0	1206	0.048" (1.22mm)	Active	8959 Pcs
CC1206KKX7RBBB331	YAGEO	330 pF	±10%	500V	X7R	1206	0.057" (1.45mm)	Active	1315 Pcs
CC1206KKX7RZBB331	YAGEO	330 pF	±10%	630V	X7R	1206	0.057" (1.45mm)	Active	6924 Pcs
KGM31DR72H331KU	KYOCERA AVX	330 pF	±10%	500V	X7R	1206	0.057" (1.45mm)	Active	4827 Pcs

Engineering Selection Recommendations

Direct Substitutes (Recommended for 1:1 Replacement): C1206C331KCGAC7800 (KEMET), CC1206KRNPOBBN331 (YAGEO), and CC1206JRNPOBBN331 (YAGEO) are direct electrical equivalents with identical electrical specifications. All are Active product status and ROHS3 compliant. Selection among these should prioritize inventory availability and lead time. C1206C331KCGAC7800 offers the highest inventory (43108 Pcs) and reduced thickness (0.053"), beneficial for space-constrained designs.

Upgrade Substitutes (Enhanced Margin Applications): C1206C331JBGAC7800 and C1206C331JCGAC7800 (KEMET) provide ±5% tolerance and 630V rating, suitable for designs requiring tighter capacitance tolerance or higher voltage safety margins. KGM31VCG2H331JU (KYOCERA AVX) offers ±5% tolerance at 500V with Active status. These upgrades are backward compatible with the original 500V/±10% specification.

Alternative Dielectric (X7R): CC1206KKX7RBBB331 and KGM31DR72H331KU maintain 500V/±10% specifications with X7R temperature coefficient. CC1206KKX7RZBB331 provides 630V rating with X7R. These alternatives are suitable only when X7R temperature stability characteristics are acceptable for the application. All are Active status.

Avoid: C3216C0G2J331K060AA (TDK Corporation) carries "Not For New Designs" status and should not be selected for new applications despite adequate inventory.

Frequently Asked Questions (FAQ)

Q: Can I use CC1206KRNPOBBN331 as a direct replacement for 1206J5000331KCT? A: Yes. Both parts have identical electrical specifications: 330 pF ±10% at 500V with C0G/NP0 temperature coefficient in 1206 package. The primary difference is thickness (0.028" vs 0.063"), which is beneficial for compact designs. Both are ROHS3 compliant and Active status.

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 offers different temperature stability characteristics. Selection depends on application requirements. The original 1206J5000331KCT specifies C0G/NP0; X7R alternatives should only be used if application design permits.

Q: Can I use the ±5% tolerance parts (C1206C331JCGAC7800, CC1206JRNPOBBN331, KGM31VCG2H331JU) in place of the ±10% original? A: Yes. ±5% tolerance is a tighter specification and is backward compatible with designs requiring ±10%. These parts provide improved capacitance accuracy and are suitable for applications with stricter tolerance requirements.

Q: Is the higher voltage rating (630V) of C1206C331JBGAC7800 and CC1206KKX7RZBB331 compatible with my 500V design? A: Yes. Higher voltage-rated components are backward compatible with lower voltage applications. The 630V rating provides additional safety margin and is suitable for designs originally specified at 500V.

Q: What is the significance of package thickness differences? A: Thickness variations (0.028" to 0.069") reflect different internal construction but do not affect electrical performance. Thinner parts (0.028") are advantageous for space-constrained PCB layouts. Verify PCB assembly equipment and design clearances before selecting thinner alternatives.

Q: Why is C3216C0G2J331K060AA marked "Not For New Designs"? A: This TDK part carries obsolescence status indicating the manufacturer is phasing out this product line. While inventory exists, it should not be selected for new designs. Use Active status alternatives instead.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original part's environmental compliance.

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