1206J0500823KXT Ceramic Capacitor Equivalent & Substitute Parts

Part Overview

The 1206J0500823KXT is a 0.082 µF ±10% 50V ceramic capacitor manufactured by Knowles Syfer with X7R temperature coefficient in 1206 (3216 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when original stock availability is limited, when alternative manufacturers offer equivalent electrical and mechanical specifications, or when design requirements permit tolerance or temperature coefficient upgrades.

Key Parameters

Parameter	Value
Capacitance	0.082 µF
Tolerance	±10%
Voltage Rating	50V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	1206 (3216 Metric)
Mounting Type	Surface Mount, MLCC
Physical Dimensions	0.126" L x 0.063" W (3.20mm x 1.60mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Critical Parameters (Must Match):

Capacitance: 0.082 µF
Voltage Rating: 50V
Package / Case: 1206 (3216 Metric)
Mounting Type: Surface Mount, MLCC
Operating Temperature Range: -55°C ~ 125°C

Allowable Variations:

Tolerance: ±10% (original) may be substituted with ±5% (upgrade)
Temperature Coefficient: X7R (original) may be substituted with C0G/NP0 (upgrade for improved stability)
Thickness: Variations within physical constraints of 1206 package
Manufacturer: Different manufacturers with identical electrical specifications

Substitute Categories:

Direct Equivalents (Same Tolerance ±10%, X7R):

C1206C823K5RAC7800 (KEMET)
CC1206KRX7R9BB823 (YAGEO)

Upgraded Tolerance (±5%, X7R):

C1206C823J5RAC7800 (KEMET)
KGM31BR71H823JT (KYOCERA AVX)

Upgraded Temperature Coefficient (±5%, C0G/NP0):

C1206C823J5GAC7800 (KEMET)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Thickness (Max)	RoHS3	MSL	Inventory
1206J0500823KXT	Knowles Syfer	0.082 µF	±10%	50V	X7R	0.063" (1.60mm)	Yes	1	972 Pcs
C1206C823K5RAC7800	KEMET	0.082 µF	±10%	50V	X7R	0.035" (0.88mm)	Yes	1	8200 Pcs
CC1206KRX7R9BB823	YAGEO	0.082 µF	±10%	50V	X7R	0.075" (1.90mm)	Yes	1	4978 Pcs
C1206C823J5RAC7800	KEMET	0.082 µF	±5%	50V	X7R	0.035" (0.88mm)	Yes	1	1712 Pcs
KGM31BR71H823JT	KYOCERA AVX	0.082 µF	±5%	50V	X7R	0.037" (0.94mm)	Yes	1	12882 Pcs
C1206C823J5GAC7800	KEMET	0.082 µF	±5%	50V	C0G/NP0	0.071" (1.80mm)	Yes	1	6715 Pcs

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required): Select C1206C823K5RAC7800 (KEMET) or CC1206KRX7R9BB823 (YAGEO). Both maintain ±10% tolerance and X7R temperature coefficient. KEMET variant offers superior thickness profile (0.88mm vs 1.90mm), reducing PCB stack-up. YAGEO variant provides higher inventory availability at 4978 units. Both are ROHS3 compliant with MSL 1 rating.

For Tolerance Upgrade (±5% Specification): Select C1206C823J5RAC7800 (KEMET) or KGM31BR71H823JT (KYOCERA AVX). Both upgrade tolerance to ±5% while maintaining X7R temperature coefficient and 50V rating. KGM31BR71H823JT offers significantly higher inventory (12882 units) and minimal thickness variation (0.94mm). Both are ROHS3 compliant with MSL 1 rating.

For Temperature Coefficient Upgrade (C0G/NP0 Specification): Select C1206C823J5GAC7800 (KEMET). This part upgrades temperature coefficient to C0G/NP0 with ±5% tolerance, providing superior frequency and temperature stability. Suitable for precision analog circuits. ROHS3 compliant with MSL 1 rating and 6715 units in stock.

All substitute parts maintain identical package dimensions (3.20mm x 1.60mm), operating temperature range (-55°C ~ 125°C), and regulatory compliance (ROHS3, REACH Unaffected, EAR99).

Frequently Asked Questions (FAQ)

Q: Can C1206C823K5RAC7800 replace 1206J0500823KXT directly on the PCB? A: Yes. Both parts share identical capacitance (0.082 µF), voltage rating (50V), temperature coefficient (X7R), and package footprint (1206). The ±10% tolerance specification is maintained. Physical thickness differs (0.88mm vs 1.60mm), but this is within acceptable PCB assembly tolerances for 1206 components.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance variation across the -55°C to 125°C operating range. C0G/NP0 provides ±30 ppm/°C, delivering superior stability across temperature extremes. C0G/NP0 is preferred for precision timing, filtering, and analog circuits where capacitance drift must be minimized.

Q: Is the ±5% tolerance upgrade compatible with designs specified for ±10%? A: Yes. A ±5% tolerance part is a strict subset of ±10% tolerance requirements. Designs accepting ±10% tolerance will function identically with ±5% parts. No circuit redesign is required.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts carry ROHS3 compliance certification and are REACH Unaffected, matching the original 1206J0500823KXT regulatory status.

Q: Which substitute offers the best inventory availability? A: KGM31BR71H823JT (KYOCERA AVX) provides the highest inventory at 12882 units, with ±5% tolerance and X7R temperature coefficient. This part combines availability with specification upgrade.

Q: Can thickness variations affect PCB assembly? A: Thickness variations (0.88mm to 1.90mm) are within standard 1206 package specifications and do not affect PCB footprint or reflow soldering. Assembly equipment accommodates this range without adjustment.

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