SR211C104KAT Equivalent & Substitute Parts

Part Overview

The SR211C104KAT is a 0.1 µF ±10% 100V ceramic capacitor with X7R temperature coefficient manufactured by KYOCERA AVX in the SkyCap® SR series. This through-hole radial component is designed for general-purpose applications requiring stable capacitance across the -55°C to 125°C operating range. The part is ROHS3 compliant and currently active in production. Equivalent and substitute parts are identified based on matching electrical specifications (capacitance, voltage rating, tolerance, temperature coefficient) and mechanical compatibility (package type, lead configuration, physical dimensions).

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±10%
Voltage Rating	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.200" (5.08mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Electrical Equivalence Requirements:

Capacitance: 0.1 µF (exact match required)
Voltage Rating: 100V (exact match required)
Temperature Coefficient: X7R (exact match required)
Operating Temperature: -55°C to 125°C (exact match required)

Mechanical Compatibility Requirements:

Mounting Type: Through Hole (exact match required)
Package Type: Radial (exact match required)
Lead Spacing: 0.200" (5.08mm) (exact match required)
Physical Dimensions: 0.200" L x 0.125" W (5.08mm x 3.18mm) (exact match required)

Tolerance Variations:

±10% tolerance parts are direct equivalents
±5% tolerance parts (SR211C104JAR) are upgrades offering tighter tolerance

Packaging Format Variations:

Bulk and Cut Tape (CT) packaging formats are interchangeable for component selection; packaging choice depends on procurement and assembly requirements

Manufacturer Variations:

KYOCERA AVX SkyCap® SR series parts are primary equivalents
KEMET GoldMax 300 Comm X7R series parts meet all electrical and mechanical specifications
TDK Corporation FK series parts meet specifications but are marked "Not For New Designs"

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Lead Spacing	Height (Max)	Packaging	Status
SR211C104KAT	KYOCERA AVX	0.1 µF	±10%	100V	X7R	0.200"	0.300"	Bulk	Active
SR211C104KAA	KYOCERA AVX	0.1 µF	±10%	100V	X7R	0.200"	0.200"	Bulk	Active
SR211C104KAATR1	KYOCERA AVX	0.1 µF	±10%	100V	X7R	0.200"	0.300"	Cut Tape	Active
SR211C104KARTR1	KYOCERA AVX	0.1 µF	±10%	100V	X7R	0.200"	0.300"	Cut Tape	Active
SR211C104JAR	KYOCERA AVX	0.1 µF	±5%	100V	X7R	0.200"	0.200"	Bulk	Active
SR201C104KAR	KYOCERA AVX	0.1 µF	±10%	100V	X7R	0.100"	0.200"	Bulk	Active
SR591C104KARTR1	KYOCERA AVX	0.1 µF	±10%	100V	X7R	0.200"	0.300"	Cut Tape	Active
C322C104K1R5TA	KEMET	0.1 µF	±10%	100V	X7R	0.200"	0.260"	Bulk	Active
C322C104K1R5TA7301	KEMET	0.1 µF	±10%	100V	X7R	0.200"	0.260"	Cut Tape	Active
C322C104K1R5TA7303	KEMET	0.1 µF	±10%	100V	X7R	0.200"	0.260"	Cut Tape	Active
FK24X7R2A104KN000	TDK Corporation	0.1 µF	±10%	100V	X7R	0.197"	0.217"	Bulk	Not For New Designs

Engineering Selection Recommendations

Direct Equivalents (KYOCERA AVX SkyCap® SR Series): SR211C104KAA, SR211C104KAATR1, and SR211C104KARTR1 are direct electrical and mechanical equivalents to SR211C104KAT. These parts share identical capacitance, voltage rating, temperature coefficient, and lead spacing specifications. Selection among these variants depends on packaging format requirements: Bulk packaging for standard procurement or Cut Tape for automated assembly processes. All variants are ROHS3 compliant and active in production.

Upgraded Tolerance Option (KYOCERA AVX): SR211C104JAR provides tighter ±5% tolerance compared to the ±10% specification of SR211C104KAT while maintaining all other electrical and mechanical parameters. This upgrade is suitable for applications requiring improved capacitance accuracy. The part is ROHS3 compliant and active in production.

Alternative Lead Spacing (KYOCERA AVX): SR201C104KAR matches all electrical specifications but features 0.100" (2.54mm) lead spacing instead of 0.200" (5.08mm). This part is suitable only for applications designed for narrower lead spacing and is not a direct mechanical substitute for SR211C104KAT.

Cross-Manufacturer Equivalents (KEMET GoldMax 300 Comm X7R): C322C104K1R5TA, C322C104K1R5TA7301, and C322C104K1R5TA7303 meet all electrical specifications and mechanical requirements. These KEMET parts are available in Bulk and Cut Tape formats. All variants are ROHS3 compliant and active in production. Height variation (0.260" versus 0.300") is within acceptable mechanical tolerance for through-hole applications.

Legacy Option (TDK Corporation FK Series): FK24X7R2A104KN000 meets electrical specifications but is marked "Not For New Designs" by the manufacturer. This part is suitable only for legacy system maintenance or repair applications where original component sourcing is required. Lead spacing is 0.197" (5.00mm), which differs slightly from the 0.200" (5.08mm) standard but remains mechanically compatible with standard 0.200" pitch PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can SR211C104KAA be used as a direct replacement for SR211C104KAT? A: Yes. Both parts are KYOCERA AVX SkyCap® SR series components with identical electrical specifications (0.1 µF, ±10%, 100V, X7R). The primary difference is seated height (0.200" versus 0.300"), which does not affect electrical performance or standard through-hole PCB compatibility.

Q: What is the difference between Bulk and Cut Tape packaging? A: Packaging format affects procurement and assembly logistics only. Bulk packaging is used for manual assembly or standard component procurement. Cut Tape (CT) packaging is used for automated pick-and-place assembly systems. Electrical and mechanical specifications are identical between packaging formats.

Q: Is SR211C104JAR a suitable substitute for SR211C104KAT? A: SR211C104JAR is an upgrade option, not a direct substitute. It provides ±5% tolerance instead of ±10%, resulting in tighter capacitance accuracy. All other electrical and mechanical specifications match. Use this part only if the application requires improved tolerance performance.

Q: Can KEMET C322C104K1R5TA replace KYOCERA AVX SR211C104KAT? A: Yes. The KEMET part meets all electrical specifications and mechanical requirements. Both are ROHS3 compliant and active in production. Height difference (0.260" versus 0.300") is within acceptable tolerance for through-hole applications and does not affect electrical performance.

Q: Why is FK24X7R2A104KN000 marked "Not For New Designs"? A: TDK Corporation has discontinued this part for new applications. It remains available for legacy system support and repair. For new designs, use active production alternatives such as KYOCERA AVX SkyCap® SR or KEMET GoldMax 300 Comm X7R series parts.

Q: Are there any compliance differences between substitute parts? A: All recommended substitute parts are ROHS3 compliant and REACH unaffected. Compliance status is identical across all active production variants.

Q: What determines whether a part can substitute for SR211C104KAT? A: Substitution eligibility requires exact matching of capacitance (0.1 µF), voltage rating (100V), temperature coefficient (X7R), operating temperature range (-55°C to 125°C), mounting type (Through Hole), package type (Radial), and lead spacing (0.200"). Tolerance variations and packaging formats do not affect substitution eligibility.

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