Equivalent & Substitute Parts for 0805J1000331MXT

Part Overview

The 0805J1000331MXT is a 330 pF ±20% 100V ceramic capacitor manufactured by Knowles Syfer in 0805 (2012 Metric) surface mount package with X7R temperature coefficient. This component is classified as Active product status and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified when design requirements permit tolerance relaxation, voltage rating increases, or when alternative manufacturers offer equivalent electrical and mechanical specifications within the same package footprint.

Key Parameters

Parameter	Value
Capacitance	330 pF
Tolerance	±20%
Voltage Rating	100V
Temperature Coefficient	X7R
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by three primary criteria: (1) identical capacitance value of 330 pF, (2) compatible package footprint of 0805 (2012 Metric), and (3) operating temperature range of -55°C to 125°C. Secondary parameters that permit substitution include tolerance relaxation (from ±20% to ±5% or ±10%), voltage rating increases (from 100V to 200V or 500V), and temperature coefficient variations (X7R or C0G/NP0). All substitute parts maintain RoHS3 compliance, MSL 1 rating, and surface mount MLCC mounting type. Manufacturer alternatives from KEMET, YAGEO, and Knowles Syfer are included based on electrical equivalence and mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating	Temperature Coefficient	Thickness (Max)	Packaging	Inventory Status
0805J1000331MXT	Knowles Syfer	330 pF	±20%	100V	X7R	0.051" (1.30mm)	Tape & Reel (TR)	662 Pcs
0805J1000331JCT	Knowles Syfer	330 pF	±5%	100V	C0G, NP0 (1B)	0.051" (1.30mm)	Tape & Reel (TR)	15385 Pcs
C0805C331J1RAC7800	KEMET	330 pF	±5%	100V	X7R	0.035" (0.88mm)	Cut Tape (CT)	1112 Pcs
C0805C331J2RAC7800	KEMET	330 pF	±5%	200V	X7R	0.035" (0.88mm)	Tape & Reel (TR)	4722 Pcs
C0805C331K1RAC7800	KEMET	330 pF	±10%	100V	X7R	0.035" (0.88mm)	Tape & Reel (TR)	11648 Pcs
C0805C331K2RAC7800	KEMET	330 pF	±10%	200V	X7R	0.035" (0.88mm)	Tape & Reel (TR)	9188 Pcs
C0805C331KCRAC7800	KEMET	330 pF	±10%	500V	X7R	0.055" (1.40mm)	Tape & Reel (TR)	1044 Pcs
CC0805JRX7RABB331	YAGEO	330 pF	±5%	200V	X7R	0.028" (0.70mm)	Tape & Reel (TR)	20728 Pcs
CC0805KRX7R0BB331	YAGEO	330 pF	±10%	100V	X7R	0.028" (0.70mm)	Tape & Reel (TR)	6406 Pcs
CC0805KRX7RABB331	YAGEO	330 pF	±10%	200V	X7R	0.037" (0.95mm)	Tape & Reel (TR)	5690 Pcs
CC0805KRX7RBBB331	YAGEO	330 pF	±10%	500V	X7R	0.037" (0.95mm)	Tape & Reel (TR)	6785 Pcs

Engineering Selection Recommendations

Selection of substitute parts for 0805J1000331MXT depends on circuit design requirements and tolerance specifications. The Knowles Syfer 0805J1000331JCT offers improved tolerance (±5%) with identical voltage rating and package, suitable for applications requiring tighter capacitance control. KEMET C0805C series parts provide X7R temperature coefficient matching with reduced thickness (0.035" vs 0.051"), enabling higher density PCB layouts. KEMET C0805C331J2RAC7800 and C0805C331K2RAC7800 increase voltage rating to 200V while maintaining 0805 footprint, appropriate for higher voltage circuit designs. KEMET C0805C331KCRAC7800 extends voltage rating to 500V with ±10% tolerance for high-voltage applications. YAGEO CC0805 series alternatives provide equivalent electrical performance with reduced component thickness (0.028" to 0.037"), supporting compact assembly requirements. All substitute parts maintain RoHS3 compliance and MSL 1 moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can 0805J1000331JCT replace 0805J1000331MXT directly? A: Yes. Both parts share identical capacitance (330 pF), voltage rating (100V), package (0805), and operating temperature range (-55°C to 125°C). The substitute offers improved tolerance (±5% vs ±20%), making it suitable for applications where tighter capacitance control is beneficial.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance variation across the operating temperature range with stable performance in general applications. C0G/NP0 offers superior stability with ±0.3% variation, preferred for precision circuits. Both are acceptable substitutes if circuit design permits the temperature coefficient change.

Q: Can I use a 200V rated capacitor in place of a 100V rated capacitor? A: Yes. Higher voltage ratings provide additional safety margin and are electrically compatible with 100V circuit designs. Voltage derating improves component reliability. Physical dimensions may vary slightly; verify PCB footprint compatibility before assembly.

Q: Are KEMET and YAGEO parts compatible with Knowles Syfer footprints? A: Yes. All substitute parts use identical 0805 (2012 Metric) package footprint with 0.079" length and 0.049" width. Thickness variations (0.028" to 0.055") are within standard PCB assembly tolerances and do not affect mounting compatibility.

Q: What does MSL 1 (Unlimited) mean for storage and handling? A: MSL 1 rating indicates unlimited shelf life without moisture bake-out requirements. Components can be stored at room temperature without time restrictions, simplifying inventory management and reducing manufacturing constraints.

Q: Which substitute offers the best availability? A: YAGEO CC0805JRX7RABB331 has the highest inventory (20728 Pcs), followed by Knowles Syfer 0805J1000331JCT (15385 Pcs) and KEMET C0805C331K1RAC7800 (11648 Pcs). Availability selection depends on supply chain requirements and lead time constraints.

Q: Do all substitutes maintain RoHS3 compliance? A: Yes. All listed substitute parts are RoHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements equivalent to the original 0805J1000331MXT.

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