08051C102KAT2M Equivalent & Substitute Parts

Part Overview

The 08051C102KAT2M is a 1000 pF ±10% 100V ceramic capacitor manufactured by KYOCERA AVX with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint and mounting type.

Key Parameters

Parameter	Value
Capacitance	1000 pF
Tolerance	±10%
Voltage - Rated	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount, MLCC
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is determined by strict equivalence in capacitance value, tolerance, voltage rating, temperature coefficient, and package footprint. Parts are grouped into three categories:

Direct Equivalent: Same capacitance (1000 pF), tolerance (±10%), voltage (100V), temperature coefficient (X7R), and package (0805). Packaging format may differ (Tape & Reel vs. other formats).

Upgrade - Higher Voltage Rating: Same capacitance, tolerance, and temperature coefficient but rated for higher voltage (250V or 200V). These provide enhanced voltage margin in the same package.

Upgrade - Tighter Tolerance or Different Temperature Coefficient: Same capacitance and voltage but with improved tolerance (±5%, ±2%, ±1%) or alternative temperature coefficient (C0G/NP0). These provide enhanced stability or precision.

Upgrade - Automotive Grade: Same electrical specifications but qualified to AEC-Q200 automotive standard.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Package	Thickness (Max)	Packaging	Inventory
08051C102KAT2M	KYOCERA AVX	1000 pF	±10%	100V	X7R	0805	0.037" (0.94mm)	Standard	833 Pcs
KGM21NR72A102KM	KYOCERA AVX	1000 pF	±10%	100V	X7R	0805	0.039" (1.00mm)	Tape & Reel	49630 Pcs
0805PC102KAT1A	KYOCERA AVX	1000 pF	±10%	250V	X7R	0805	0.051" (1.30mm)	Tape & Reel	1069 Pcs
KAM21BR72A102KT	KYOCERA AVX	1000 pF	±10%	100V	X7R	0805	0.037" (0.94mm)	Tape & Reel	16590 Pcs
KGM21BCG2A102FT	KYOCERA AVX	1000 pF	±1%	100V	C0G/NP0	0805	0.037" (0.94mm)	Tape & Reel	11450 Pcs
KGM21BCG2A102GT	KYOCERA AVX	1000 pF	±2%	100V	C0G/NP0	0805	0.037" (0.94mm)	Tape & Reel	12604 Pcs
KGM21BCG2A102KT	KYOCERA AVX	1000 pF	±10%	100V	C0G/NP0	0805	0.037" (0.94mm)	Tape & Reel	7045 Pcs
KGM21NR72A102JT	KYOCERA AVX	1000 pF	±5%	100V	X7R	0805	0.039" (1.00mm)	Tape & Reel	47340 Pcs
KGM21NR72D102JT	KYOCERA AVX	1000 pF	±5%	200V	X7R	0805	0.039" (1.00mm)	Tape & Reel	10001 Pcs
KGM21NR72D102KT	KYOCERA AVX	1000 pF	±10%	200V	X7R	0805	0.039" (1.00mm)	Tape & Reel	10723 Pcs
KGM21NR72E102KT	KYOCERA AVX	1000 pF	±10%	250V	X7R	0805	0.039" (1.00mm)	Tape & Reel	4962 Pcs

Engineering Selection Recommendations

Direct Equivalent Selection: KGM21NR72A102KM and KAM21BR72A102KT maintain identical electrical specifications (1000 pF, ±10%, 100V, X7R). KAM21BR72A102KT includes AEC-Q200 automotive qualification. Both are ROHS3 compliant and MSL 1. Selection depends on packaging format requirement and automotive application needs.

Higher Voltage Alternatives: 0805PC102KAT1A (250V), KGM21NR72D102JT and KGM21NR72D102KT (200V), and KGM21NR72E102KT (250V) provide increased voltage margin while maintaining 1000 pF capacitance and 0805 package. These are suitable when circuit design permits higher voltage rating without space constraint.

Tighter Tolerance Alternatives: KGM21BCG2A102FT (±1%), KGM21BCG2A102GT (±2%), and KGM21NR72A102JT (±5%) offer improved tolerance specifications. These use C0G/NP0 or X7R temperature coefficients and are applicable when circuit performance requires reduced capacitance variation.

All substitute parts are Active status, ROHS3 compliant, and MSL 1 rated. Thickness variation (0.037" to 0.051") must be verified against PCB assembly clearance requirements.

Frequently Asked Questions (FAQ)

Q: Can KGM21NR72A102KM directly replace 08051C102KAT2M? A: Yes. Both parts have identical electrical specifications: 1000 pF ±10% at 100V with X7R temperature coefficient in 0805 package. The thickness difference (0.039" vs 0.037") is within typical PCB assembly tolerances. Packaging format differs (Tape & Reel vs. standard), which may affect procurement and handling but not electrical performance.

Q: What is the difference between X7R and C0G/NP0 temperature coefficients? A: X7R provides ±15% capacitance change across -55°C to 125°C operating range. C0G/NP0 provides ±30 ppm/°C, resulting in minimal capacitance drift. C0G/NP0 parts are suitable for precision applications requiring stable capacitance over temperature.

Q: Can I use a 250V rated part in place of the 100V specification? A: Yes, electrically. Higher voltage rating provides additional safety margin. However, verify that increased thickness (0.051" for 250V vs. 0.037" for 100V) does not conflict with PCB assembly constraints or component placement requirements.

Q: What does AEC-Q200 qualification mean? A: AEC-Q200 is an automotive industry standard for passive components. KAM21BR72A102KT meets this qualification, making it suitable for automotive applications requiring certified component reliability and quality assurance.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed parts are ROHS3 compliant and MSL 1 rated, meeting environmental and moisture sensitivity requirements equivalent to the main part.

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