1206J0250182KXT Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 1206J0250182KXT is a 1800 pF ceramic capacitor manufactured by Knowles Syfer, rated at 25V with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This part is Active status with 685 units in stock. Substitute parts are identified when equivalent capacitance and tolerance specifications are maintained while accommodating different voltage ratings, temperature coefficients, or packaging requirements in production environments.

Key Parameters

Parameter	Value
Capacitance	1800 pF
Tolerance	±10%
Voltage Rating	25V
Temperature Coefficient	X7R
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

Substitution of the 1206J0250182KXT is determined by the following criteria:

Primary Substitution Criteria (Mandatory Match):

Capacitance: 1800 pF (exact)
Package / Case: 1206 (3216 Metric) (exact)
Mounting Type: Surface Mount, MLCC (exact)
Operating Temperature Range: -55°C ~ 125°C (exact)
RoHS Status: ROHS3 Compliant (exact)
Moisture Sensitivity Level: 1 (Unlimited) (exact)

Secondary Substitution Parameters (Allowable Variation):

Voltage Rating: May be equal to or higher than 25V
Temperature Coefficient: X7R or C0G/NP0 (C0G/NP0 provides superior stability)
Tolerance: ±10%, ±5%, ±2%, or ±1% (tighter tolerances are acceptable)

Substitute parts are grouped into two categories: Upgrade substitutes (higher voltage rating or improved temperature coefficient) and Manufacturer Recommended substitutes (enhanced specifications with C0G/NP0 temperature coefficient).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Package	Thickness (Max)	Inventory
1206J0250182KXT	Knowles Syfer	1800 pF	±10%	25V	X7R	1206 (3216 Metric)	0.063" (1.60mm)	685 Pcs
C1206C182K1RAC7800	KEMET	1800 pF	±10%	100V	X7R	1206 (3216 Metric)	0.035" (0.88mm)	3444 Pcs
CC1206KRX7R9BB182	YAGEO	1800 pF	±10%	50V	X7R	1206 (3216 Metric)	0.033" (0.85mm)	8593 Pcs
C1206C182J1GAC7800	KEMET	1800 pF	±5%	100V	C0G, NP0	1206 (3216 Metric)	0.043" (1.10mm)	7564 Pcs
C1206C182J5GAC7800	KEMET	1800 pF	±5%	50V	C0G, NP0	1206 (3216 Metric)	0.035" (0.88mm)	5124 Pcs
CC1206GRNPO9BN182	YAGEO	1800 pF	±2%	50V	C0G, NP0	1206 (3216 Metric)	0.028" (0.70mm)	12868 Pcs
CC1206JRNPO0BN182	YAGEO	1800 pF	±5%	100V	C0G, NP0	1206 (3216 Metric)	0.028" (0.70mm)	8359 Pcs
CC1206JRNPO9BN182	YAGEO	1800 pF	±5%	50V	C0G, NP0	1206 (3216 Metric)	0.028" (0.70mm)	6493 Pcs
KGM31BCG1H182FU	KYOCERA AVX	1800 pF	±1%	50V	C0G, NP0	1206 (3216 Metric)	0.037" (0.94mm)	24731 Pcs
KGM31BCG2A182FU	KYOCERA AVX	1800 pF	±1%	100V	C0G, NP0	1206 (3216 Metric)	0.037" (0.94mm)	5235 Pcs
KGM31BCG2A182JU	KYOCERA AVX	1800 pF	±5%	100V	C0G, NP0	1206 (3216 Metric)	0.037" (0.94mm)	8746 Pcs

Engineering Selection Recommendations

All listed substitute parts maintain Active product status and ROHS3 compliance with Moisture Sensitivity Level 1 (Unlimited), ensuring compatibility with standard manufacturing and storage conditions.

X7R Temperature Coefficient Substitutes: C1206C182K1RAC7800 (KEMET, 100V) and CC1206KRX7R9BB182 (YAGEO, 50V) provide direct functional equivalence with identical ±10% tolerance. These parts offer higher voltage ratings while maintaining the same temperature coefficient performance as the original part.

C0G/NP0 Temperature Coefficient Substitutes: Parts with C0G/NP0 designation (KEMET, YAGEO, KYOCERA AVX) provide superior temperature stability and lower capacitance drift across the operating temperature range. These are suitable for applications requiring tighter capacitance tolerance or enhanced frequency stability. Tolerance options range from ±1% to ±5%, accommodating precision circuit requirements.

Voltage Rating Considerations: Substitute parts rated at 50V or 100V are electrically compatible with circuits designed for 25V operation, as they provide equal or greater voltage margin. Selection should account for PCB layout constraints and available board space, as some C0G/NP0 variants exhibit different thickness profiles.

Frequently Asked Questions (FAQ)

Q: Can I use a 100V rated capacitor in place of the 25V original part? A: Yes. A higher voltage rating provides additional safety margin and is electrically compatible. The capacitor will function correctly in circuits designed for 25V operation.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R allows ±15% capacitance change across the -55°C to 125°C operating range. C0G/NP0 provides superior stability with minimal capacitance drift. C0G/NP0 is preferred for precision applications requiring stable capacitance values across temperature variations.

Q: Are tolerance differences (±10%, ±5%, ±1%) interchangeable? A: Yes. Tighter tolerances (±5%, ±1%) are acceptable substitutes for ±10% specifications. The original ±10% tolerance can be replaced with any tighter tolerance without circuit performance degradation.

Q: Does package thickness affect PCB assembly? A: Package thickness varies between 0.028" and 0.063" depending on the manufacturer and dielectric material. Verify PCB clearance and reflow profile compatibility when substituting parts with different thickness specifications.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), meeting standard environmental and manufacturing requirements.

Q: Can I mix manufacturers in the same circuit board? A: Yes. All substitute parts meet identical electrical specifications for capacitance, voltage, and temperature range. Mixing manufacturers is acceptable from an electrical standpoint; verify procurement and supply chain requirements with your organization.

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