SR205E104MAT Equivalent & Substitute Parts

Part Overview

The SR205E104MAT is a 0.1 µF ±20% 50V ceramic capacitor with Z5U 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 825 pieces in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory optimization, and design continuity when the primary part number becomes unavailable or when alternative packaging or lead configurations are required.

Key Parameters

Parameter	Value
Capacitance	0.1 µF
Tolerance	±20%
Voltage - Rated	50V
Temperature Coefficient	Z5U
Operating Temperature Range	10°C ~ 85°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 SR205E104MAT is determined by strict equivalence in the following electrical parameters: capacitance (0.1 µF), tolerance (±20%), voltage rating (50V), temperature coefficient (Z5U), and operating temperature range (10°C ~ 85°C). All substitute parts maintain identical electrical specifications and through-hole radial mounting configuration.

Substitute parts are grouped into three categories:

Direct Substitutes (Same Electrical & Mechanical Specifications): Parts with identical capacitance, voltage, tolerance, and temperature coefficient. Variations in physical dimensions, lead spacing, or packaging format (bulk vs. cut tape) do not affect electrical performance but may impact PCB layout compatibility and procurement logistics.

Upgrade Substitutes (Higher Voltage Rating): Parts with identical capacitance and tolerance but rated for 100V instead of 50V. These provide enhanced voltage margin and are electrically compatible in 50V applications while offering improved reliability headroom.

Manufacturer Recommended Substitutes (Modified Lead Configuration): Parts with identical electrical specifications but different lead spacing (0.200" vs. 0.100") and formed lead styles. These are recommended by KYOCERA AVX for specific design requirements and require PCB layout verification.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Temp Coeff	Size (L x W)	Lead Spacing	Lead Style	Packaging	Inventory
SR205E104MAT	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.100" (2.54mm)	Straight	Bulk	825 Pcs
SR155E104MAA	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.150" x 0.100" (3.81mm x 2.54mm)	0.100" (2.54mm)	Straight	Bulk	3438 Pcs
SR155E104MAR	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.150" x 0.100" (3.81mm x 2.54mm)	0.100" (2.54mm)	Straight	Bulk	3271 Pcs
SR205E104MAATR1	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.100" (2.54mm)	Straight	Cut Tape (CT)	7887 Pcs
SR205E104MARTR1	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.100" (2.54mm)	Straight	Cut Tape (CT)	6300 Pcs
SR295E104MAR	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.100" (2.54mm)	Formed Leads - Kinked	Bulk	6505 Pcs
SR201E104MAA	KYOCERA AVX	0.1 µF	100V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.100" (2.54mm)	Straight	Bulk	2359 Pcs
SR201E104MAR	KYOCERA AVX	0.1 µF	100V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.100" (2.54mm)	Straight	Bulk	1116 Pcs
SR215E104MAA	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	Formed Leads - Kinked	Bulk	10781 Pcs
SR215E104MAATR1	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	Formed Leads - Kinked	Cut Tape (CT)	5870 Pcs
SR215E104MARTR1	KYOCERA AVX	0.1 µF	50V	±20%	Z5U	0.200" x 0.125" (5.08mm x 3.18mm)	0.200" (5.08mm)	Formed Leads - Kinked	Cut Tape (CT)	4300 Pcs

Engineering Selection Recommendations

For Direct Electrical Equivalence with Identical Lead Spacing (0.100"):

Select SR205E104MAATR1 or SR205E104MARTR1 when packaging format flexibility is acceptable. Both parts maintain the same physical footprint and lead spacing as the primary SR205E104MAT, differing only in packaging (cut tape vs. bulk). These options provide higher inventory availability (7887 and 6300 pieces respectively) compared to the primary part.

SR155E104MAA or SR155E104MAR are electrically equivalent but feature a smaller physical envelope (0.150" x 0.100" vs. 0.200" x 0.125"). Selection requires PCB layout verification to confirm space constraints do not conflict with the reduced dimensions.

For Enhanced Voltage Margin:

SR201E104MAA and SR201E104MAR provide 100V voltage rating while maintaining identical capacitance, tolerance, and temperature coefficient. These upgrades are suitable for applications requiring improved reliability headroom or operating in higher voltage environments. Physical dimensions and lead spacing remain identical to the primary part.

For Modified Lead Configuration:

SR215E104MAA, SR215E104MAATR1, and SR215E104MARTR1 feature 0.200" lead spacing with formed kinked leads, recommended by KYOCERA AVX for specific design requirements. These parts maintain identical electrical specifications and physical envelope but require PCB layout modification to accommodate the wider lead spacing. Inventory availability is highest in this group (10781, 5870, and 4300 pieces respectively).

SR295E104MAR provides identical electrical and physical specifications to the primary part but with formed kinked leads instead of straight leads. This configuration may be preferred for applications requiring enhanced mechanical retention or specific assembly processes.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the primary part.

Frequently Asked Questions (FAQ)

Q: Can SR155E104MAA or SR155E104MAR be used as direct replacements for SR205E104MAT?

A: Both parts are electrically equivalent with identical capacitance (0.1 µF), voltage rating (50V), tolerance (±20%), and temperature coefficient (Z5U). However, the physical dimensions are smaller (0.150" x 0.100" vs. 0.200" x 0.125"). PCB layout verification is required to confirm the reduced footprint does not conflict with existing component placement or spacing constraints.

Q: What is the difference between SR205E104MAATR1 and SR205E104MAT?

A: Both parts are electrically and mechanically identical. The primary difference is packaging format: SR205E104MAATR1 is supplied in cut tape (CT) format, while SR205E104MAT is supplied in bulk. Cut tape packaging is suitable for automated assembly processes, while bulk packaging is typical for manual assembly or reel-based operations. Inventory availability is significantly higher for the cut tape variant (7887 vs. 825 pieces).

Q: Are SR201E104MAA and SR201E104MAR suitable replacements for 50V applications?

A: Yes. Both parts are rated for 100V and are electrically compatible in 50V applications. The higher voltage rating provides additional safety margin and improved reliability. Physical dimensions and lead spacing are identical to the primary part. Selection depends on application requirements for voltage headroom and cost considerations.

Q: What is the significance of the lead spacing difference in SR215E104MAA variants?

A: SR215E104MAA, SR215E104MAATR1, and SR215E104MARTR1 feature 0.200" lead spacing compared to 0.100" in the primary part. This wider spacing requires PCB layout modification and is recommended by KYOCERA AVX for specific design requirements. These parts are not direct drop-in replacements and require design review before implementation.

Q: What is the difference between straight leads and formed kinked leads?

A: Straight leads (SR205E104MAT, SR205E104MAATR1, SR155E104MAA) are perpendicular to the component body. Formed kinked leads (SR295E104MAR, SR215E104MAA variants) are bent at an angle, typically providing enhanced mechanical retention during insertion and soldering. Lead style selection depends on assembly process requirements and PCB design specifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the primary SR205E104MAT part.

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