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SR211C103MAT Equivalent & Substitute Parts
Part Overview
The SR211C103MAT is a 10000 pF ceramic capacitor rated at 100V with X7R temperature coefficient, manufactured by KYOCERA AVX in the SkyCap® SR series. This radial through-hole component is designed for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C. The part is ROHS3 compliant and currently active in production with 1106 units in stock.
Equivalent and substitute parts are identified when electrical parameters (capacitance, voltage rating, temperature coefficient) and mechanical specifications (package type, lead spacing, mounting style) align within acceptable tolerances. Substitutes may vary in tolerance grade, voltage rating, or manufacturer while maintaining functional compatibility in the target application.
Substiute Parts
Key Parameters
| Parameter | SR211C103MAT |
|---|---|
| Capacitance | 10000 pF |
| Tolerance | ±20% |
| Voltage Rating | 100V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C to 125°C |
| Mounting Type | Through Hole |
| Package | Radial |
| Lead Spacing | 0.200" (5.08mm) |
| Lead Style | Formed Leads - Kinked |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following criteria:
Primary Electrical Parameters: Capacitance value (10000 pF), temperature coefficient (X7R), and operating temperature range (-55°C to 125°C) must match exactly.
Voltage Rating: Substitutes may have equal or higher voltage ratings. A 100V-rated part cannot be substituted with a lower-voltage part. Higher voltage ratings provide additional design margin.
Tolerance Grade: The SR211C103MAT specifies ±20% tolerance. Substitutes with tighter tolerances (±10%, ±5%) are acceptable as they represent improved performance. Looser tolerances are not acceptable.
Mechanical Compatibility: Lead spacing (0.200" / 5.08mm), mounting type (through hole), and package style (radial) must remain consistent for PCB layout compatibility.
Manufacturer Variants: KYOCERA AVX, KEMET, and TDK Corporation parts meeting the above criteria are listed as functional equivalents.
Parameter Comparison
| Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Lead Spacing | Height (Max) | RoHS Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|
| SR211C103MAT | KYOCERA AVX | 10000 pF | ±20% | 100V | X7R | 0.200" | 0.300" | ROHS3 | 1106 |
| SR211C103KAA | KYOCERA AVX | 10000 pF | ±10% | 100V | X7R | 0.200" | 0.200" | ROHS3 | 5100 |
| SR211C103KAR | KYOCERA AVX | 10000 pF | ±10% | 100V | X7R | 0.200" | 0.200" | ROHS3 | 2918 |
| SR212C103KAA | KYOCERA AVX | 10000 pF | ±10% | 200V | X7R | 0.200" | 0.300" | ROHS3 | 1396 |
| C317C103K1R5TA | KEMET | 10000 pF | ±10% | 100V | X7R | 0.200" | 0.200" | ROHS3 | 17647 |
| C322C103J1R5TA | KEMET | 10000 pF | ±5% | 100V | X7R | 0.200" | 0.260" | ROHS3 | 3659 |
| C322C103JDR5TA | KEMET | 10000 pF | ±5% | 1000V | X7R | 0.200" | 0.260" | ROHS3 | 2678 |
| C322C103K1R5TA | KEMET | 10000 pF | ±10% | 100V | X7R | 0.200" | 0.260" | ROHS3 | 9946 |
| C322C103K2R5TA | KEMET | 10000 pF | ±10% | 200V | X7R | 0.200" | 0.260" | ROHS3 | 1400 |
| C322C103KDR5TA | KEMET | 10000 pF | ±10% | 1000V | X7R | 0.200" | 0.260" | ROHS3 | 13473 |
| FK26X7R2J103KN000 | TDK Corporation | 10000 pF | ±10% | 630V | X7R | 0.197" | 0.236" | ROHS3 | 1714 |
Engineering Selection Recommendations
Direct Equivalents (100V, ±10% or better tolerance): SR211C103KAA and SR211C103KAR from KYOCERA AVX provide tighter tolerance (±10%) at the same 100V rating. Both are active products with higher inventory availability. SR211C103KAA offers reduced seated height (0.200" vs 0.300"), which may provide PCB layout advantages.
KEMET GoldMax 300 Series (100V, ±10% or ±5%): C317C103K1R5TA, C322C103J1R5TA, and C322C103K1R5TA are functionally equivalent at 100V with improved tolerance grades. C317C103K1R5TA features a smaller footprint (0.150" L x 0.100" W) compared to the standard 0.200" x 0.125" package. C322C103J1R5TA offers ±5% tolerance for applications requiring tighter capacitance control. All three are ROHS3 compliant and in active production.
Higher Voltage Alternatives (200V and 1000V): SR212C103KAA and C322C103K2R5TA provide 200V rating for applications requiring increased voltage margin. C322C103JDR5TA and C322C103KDR5TA offer 1000V (1kV) rating for high-voltage circuit protection. These parts maintain 10000 pF capacitance and X7R temperature coefficient but are physically larger due to voltage requirements.
TDK FK Series (630V): FK26X7R2J103KN000 is rated at 630V with ±10% tolerance. This part carries "Not For New Designs" status and should be used only for legacy system maintenance or repair applications. Lead spacing is 0.197" (5.00mm), which differs slightly from the standard 0.200" spacing.
Compliance and Production Status: All recommended substitutes are ROHS3 compliant and REACH unaffected. KYOCERA AVX and KEMET parts are in active production. The TDK FK series part is not recommended for new designs.
Frequently Asked Questions (FAQ)
Q: Can SR211C103MAT be replaced with a ±10% tolerance part? A: Yes. The original part specifies ±20% tolerance. Substitutes with ±10% or ±5% tolerance are acceptable as they provide tighter capacitance control and represent improved performance. The application circuit must tolerate the original ±20% specification; tighter tolerances do not create compatibility issues.
Q: What is the difference between SR211C103KAA and SR211C103KAR? A: Both are KYOCERA AVX SkyCap® SR series parts with identical electrical specifications (10000 pF, ±10%, 100V, X7R). The difference lies in packaging or lead configuration variants. Both are functionally equivalent for circuit applications.
Q: Can I use a 200V-rated part instead of 100V? A: Yes. Higher voltage ratings provide additional design margin and are electrically compatible. SR212C103KAA and C322C103K2R5TA are 200V-rated equivalents. Physical dimensions may differ slightly due to voltage requirements.
Q: Why is FK26X7R2J103KN000 marked "Not For New Designs"? A: This TDK part is in legacy status, indicating the manufacturer is phasing it out. It should be used only for repair or maintenance of existing systems. For new designs, select from active production parts: KYOCERA AVX SR series or KEMET GoldMax 300 series.
Q: Does lead spacing affect PCB compatibility? A: Yes. The standard lead spacing is 0.200" (5.08mm). FK26X7R2J103KN000 has 0.197" (5.00mm) spacing, which may not fit standard 0.200" pitch PCB holes without modification. Verify PCB hole spacing before substitution.
Q: Which substitute offers the smallest physical footprint? A: C317C103K1R5TA from KEMET features a smaller body size (0.150" L x 0.100" W) compared to the standard 0.200" x 0.125" package, while maintaining the same 0.200" lead spacing and electrical specifications.
Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitutes are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
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