SR201C103KAATR2 Equivalent & Substitute Parts

Part Overview

The SR201C103KAATR2 is a 10000 pF ±10% 100V ceramic capacitor with X7R temperature coefficient manufactured by KYOCERA AVX in the SkyCap® SR series. This radial through-hole component is designed for general-purpose applications and is ROHS3 compliant. The part is currently active in production with 735 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, accommodate packaging preferences, and provide options for enhanced specifications when required.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±10%
Voltage - Rated	100V
Temperature Coefficient	X7R
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	0.100" (2.54mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SR201C103KAATR2 is determined by strict equivalence in the following electrical parameters: capacitance (10000 pF), tolerance (±10%), voltage rating (100V), temperature coefficient (X7R), and operating temperature range (-55°C ~ 125°C). All substitute parts must maintain through-hole radial mounting with 0.100" lead spacing and ROHS3 compliance.

Substitutes are grouped into three categories:

Direct Equivalents (Same Packaging Variants): Parts with identical electrical specifications but different packaging formats (Cut Tape, Bulk) or lead styles (Straight, Formed Leads - Kinked). These are interchangeable in circuit design.

Upgraded Specifications: Parts with enhanced tolerance (±5% instead of ±10%) or higher voltage rating (200V instead of 100V). These provide improved performance margins and are backward compatible.

Manufacturer Recommended Alternatives: KYOCERA AVX recommended parts with different lead spacing (0.200" instead of 0.100") or alternative lead styles. These require PCB layout verification.

Cross-Manufacturer Equivalents: KEMET GoldMax 300 Comm X7R series parts with identical electrical specifications and compatible physical dimensions.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage	Temp Coeff	Size (L x W)	Height Max	Lead Spacing	Lead Style	Packaging	Inventory
SR201C103KAATR2	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	0.100" (2.54mm)	Straight	Tape & Reel (TR)	735 Pcs
SR071C103KARTR2	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.100" (2.54mm)	0.100" (2.54mm)	Formed Leads - Kinked	Cut Tape (CT)	7498 Pcs
SR151C103KAATR1	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.150" (3.81mm)	0.100" (2.54mm)	Straight	Cut Tape (CT)	8095 Pcs
SR151C103KAR	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.150" (3.81mm)	0.100" (2.54mm)	Straight	Bulk	2000 Pcs
SR151C103KARTR1	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.150" (3.81mm)	0.100" (2.54mm)	Straight	Cut Tape (CT)	3195 Pcs
SR151C103JAR	KYOCERA AVX	10000 pF	±5%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.150" (3.81mm)	0.100" (2.54mm)	Straight	Bulk	1488 Pcs
SR202C103KAR	KYOCERA AVX	10000 pF	±10%	200V	X7R	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	0.100" (2.54mm)	Straight	Bulk	1852 Pcs
SR211C103KAA	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	0.200" (5.08mm)	Formed Leads - Kinked	Bulk	5100 Pcs
SR211C103KAR	KYOCERA AVX	10000 pF	±10%	100V	X7R	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	0.200" (5.08mm)	Formed Leads - Kinked	Bulk	2918 Pcs
C315C103K1R5TA	KEMET	10000 pF	±10%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.183" (4.66mm)	0.100" (2.54mm)	Straight	Bulk	1502 Pcs
C315C103K1R5TA7301	KEMET	10000 pF	±10%	100V	X7R	0.150" x 0.100" (3.81mm x 2.54mm)	0.183" (4.66mm)	0.100" (2.54mm)	Straight	Cut Tape (CT)	15286 Pcs

Engineering Selection Recommendations

For Direct Replacement (Same Electrical & Physical Footprint): SR151C103KAATR1, SR151C103KAR, and SR151C103KARTR1 are direct equivalents with identical electrical specifications. These parts feature a smaller physical footprint (0.150" x 0.100") compared to the main part but maintain the same 0.100" lead spacing. Selection depends on packaging format requirements: Cut Tape for automated assembly or Bulk for manual insertion.

For Enhanced Tolerance Specification: SR151C103JAR provides ±5% tolerance instead of ±10%, offering tighter capacitance control for applications requiring improved accuracy. This part is electrically and mechanically compatible with the main part.

For Higher Voltage Margin: SR202C103KAR maintains the same physical dimensions as the main part (0.200" x 0.125") but provides 200V rating instead of 100V. This part is suitable for applications requiring increased voltage headroom.

For Manufacturer-Recommended Alternatives: SR211C103KAA and SR211C103KAR are KYOCERA AVX recommended alternatives with 0.200" lead spacing instead of 0.100". These parts require PCB layout modification and are suitable for designs with wider lead spacing requirements.

For Cross-Manufacturer Equivalents: C315C103K1R5TA and C315C103K1R5TA7301 (KEMET GoldMax 300 Comm X7R series) provide equivalent electrical specifications with compatible physical dimensions. The Cut Tape variant (C315C103K1R5TA7301) offers higher inventory availability (15286 units).

All substitute parts maintain ROHS3 compliance and -55°C ~ 125°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can SR151C103KAATR1 be used as a direct replacement for SR201C103KAATR2? A: Yes, electrically and functionally. Both parts have identical capacitance (10000 pF), tolerance (±10%), voltage rating (100V), and temperature coefficient (X7R). The SR151C103KAATR1 has a smaller physical footprint (0.150" x 0.100" vs. 0.200" x 0.125") and lower seated height (0.150" vs. 0.200"), which may provide space savings. PCB layout verification is required to confirm lead spacing compatibility (both use 0.100" spacing).

Q: What is the difference between SR071C103KARTR2 and SR151C103KAATR1? A: Both parts have identical electrical specifications and similar physical dimensions (0.150" x 0.100"). The primary difference is lead style: SR071C103KARTR2 features formed leads (kinked), while SR151C103KAATR1 has straight leads. SR071C103KARTR2 has a lower seated height (0.100" vs. 0.150"). Lead style selection depends on PCB hole design and insertion equipment compatibility.

Q: Is SR151C103JAR compatible with the original SR201C103KAATR2? A: Yes. SR151C103JAR has the same capacitance, voltage rating, and temperature coefficient. The key difference is tolerance: ±5% instead of ±10%. This represents an upgrade in specification accuracy and is backward compatible. Physical dimensions are smaller (0.150" x 0.100" vs. 0.200" x 0.125").

Q: When should SR202C103KAR be selected instead of the main part? A: SR202C103KAR is selected when the application requires higher voltage margin. It maintains the same physical dimensions and lead spacing as the main part but provides 200V rating instead of 100V. This is suitable for circuits operating near the 100V limit or requiring additional safety margin.

Q: What are the implications of using SR211C103KAA or SR211C103KAR? A: These KYOCERA AVX recommended parts have 0.200" lead spacing instead of 0.100", requiring PCB layout modification. They feature formed leads (kinked) and are available in bulk packaging. Selection requires design review to confirm lead spacing compatibility with PCB hole pattern.

Q: Are KEMET C315C103K1R5TA parts fully equivalent to KYOCERA AVX parts? A: Yes, electrically and mechanically. Both KEMET parts (C315C103K1R5TA and C315C103K1R5TA7301) have identical electrical specifications (10000 pF, ±10%, 100V, X7R) and compatible physical dimensions (0.150" x 0.100", 0.100" lead spacing). The seated height is slightly different (0.183" vs. 0.150"), which may affect PCB clearance in space-constrained designs. The Cut Tape variant (C315C103K1R5TA7301) offers significantly higher inventory (15286 units).

Q: What packaging options are available? A: Substitute parts are available in three packaging formats: Tape & Reel (TR) for high-volume automated assembly, Cut Tape (CT) for moderate-volume pick-and-place operations, and Bulk for manual insertion or low-volume applications. Packaging selection depends on assembly process and volume requirements.

Q: Do all substitute parts maintain ROHS3 compliance? A: Yes. All listed substitute parts are ROHS3 compliant and maintain the same compliance status as the main part SR201C103KAATR2.

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