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M30R105M5-F Equivalent & Substitute Parts
Part Overview
The M30R105M5-F is a 1 µF ±20% 50V ceramic capacitor with X7R temperature coefficient manufactured by Cornell Dubilier Electronics (CDE) in radial through-hole configuration. This part is classified as obsolete, necessitating identification of active equivalent components that maintain identical electrical and mechanical specifications for direct board-level substitution.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 1 µF |
| Tolerance | ±20% |
| Voltage Rating | 50V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C ~ 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 for the M30R105M5-F is determined by strict equivalence across the following parameters:
Primary Electrical Parameters:
- Capacitance: 1 µF (exact match required)
- Voltage Rating: 50V (minimum acceptable)
- Temperature Coefficient: X7R (required for temperature stability)
- Tolerance: ±20% or tighter (±10% acceptable as superior specification)
Primary Mechanical Parameters:
- Mounting Type: Through Hole (required)
- Package Type: Radial (required)
- Lead Spacing: 0.200" (5.08mm) (required for PCB compatibility)
Compliance Requirements:
- RoHS3 Compliant (required)
- Operating Temperature: -55°C ~ 125°C (required)
Substitute parts must satisfy all primary electrical and mechanical parameters. Physical dimensions (length, width, height) may vary within board layout constraints. Lead style variations (straight vs. formed/kinked) are acceptable provided lead spacing remains 0.200" (5.08mm).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Operating Temp | Lead Spacing | Product Status | RoHS3 |
|---|---|---|---|---|---|---|---|---|---|
| M30R105M5-F | Cornell Dubilier Electronics | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Obsolete | Yes |
| C330C105M5R5TA | KEMET | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
| K105K20X7RF53K5 | Vishay Beyschlag/Draloric/BC Components | 1 µF | ±10% | 50V | X7R | -55°C ~ 125°C | 0.197" (5.00mm) | Active | Yes |
| K105M20X7RF53H5 | Vishay Beyschlag/Draloric/BC Components | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.197" (5.00mm) | Active | Yes |
| K105M20X7RF53K5 | Vishay Beyschlag/Draloric/BC Components | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.197" (5.00mm) | Active | Yes |
| SR215C105MAR | KYOCERA AVX | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
| SR305C105MAA | KYOCERA AVX | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
| SR305C105MAATR1 | KYOCERA AVX | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
| SR305C105MAR | KYOCERA AVX | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
| SR305C105MARTR1 | KYOCERA AVX | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
| SR325C105MAT | KYOCERA AVX | 1 µF | ±20% | 50V | X7R | -55°C ~ 125°C | 0.200" (5.08mm) | Active | Yes |
Engineering Selection Recommendations
All listed substitute parts are active products with ROHS3 compliance and identical electrical specifications to the M30R105M5-F. Selection among substitutes is based on the following criteria:
Direct Mechanical Equivalents (0.200" Lead Spacing):
- C330C105M5R5TA (KEMET GoldMax 300 Comm X7R series)
- SR215C105MAR (KYOCERA AVX SkyCap® SR series)
- SR305C105MAA, SR305C105MAATR1, SR305C105MAR, SR305C105MARTR1 (KYOCERA AVX SkyCap® SR series)
- SR325C105MAT (KYOCERA AVX SkyCap® SR series)
These parts maintain the original 0.200" (5.08mm) lead spacing and are suitable for direct PCB footprint replacement without layout modification.
Alternative Mechanical Configuration (0.197" Lead Spacing):
- K105K20X7RF53K5 (Vishay Beyschlag/Draloric/BC Components Mono-Kap™ K series, ±10% tolerance)
- K105M20X7RF53H5, K105M20X7RF53K5 (Vishay Beyschlag/Draloric/BC Components Mono-Kap™ K series, ±20% tolerance)
These parts feature 0.197" (5.00mm) lead spacing and require PCB footprint verification for compatibility. The K105K20X7RF53K5 offers superior ±10% tolerance specification.
Packaging Considerations:
- Bulk packaging: C330C105M5R5TA, K105K20X7RF53K5, K105M20X7RF53H5, K105M20X7RF53K5, SR215C105MAR, SR305C105MAA, SR305C105MAR, SR325C105MAT
- Tape & Reel (TR): SR305C105MAATR1
- Cut Tape (CT): SR305C105MARTR1
Frequently Asked Questions (FAQ)
Q: Can K105K20X7RF53K5 be used as a direct replacement for M30R105M5-F?
A: K105K20X7RF53K5 meets all electrical requirements (1 µF, ±10% tolerance, 50V, X7R, -55°C ~ 125°C). However, the lead spacing is 0.197" (5.00mm) versus the original 0.200" (5.08mm). PCB footprint compatibility must be verified before substitution.
Q: What is the difference between SR305C105MAA and SR305C105MAATR1?
A: Both parts are electrically and mechanically identical. The difference is packaging: SR305C105MAA is supplied in bulk, while SR305C105MAATR1 is supplied in Tape & Reel format. Selection depends on procurement and assembly requirements.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant and suitable for applications requiring RoHS compliance.
Q: Can I use a substitute with ±10% tolerance instead of ±20%?
A: Yes. K105K20X7RF53K5 offers ±10% tolerance, which is a tighter specification than the original ±20% tolerance. This provides superior capacitance accuracy and is functionally compatible with designs specified for ±20% tolerance.
Q: What is the operating temperature range for all substitutes?
A: All substitute parts operate across -55°C ~ 125°C, matching the original M30R105M5-F specification.
Q: Are there differences in physical dimensions among the substitutes?
A: Yes. Physical dimensions vary among substitutes. The original M30R105M5-F measures 0.300" L x 0.200" W with 0.420" maximum seated height. Substitute parts range from 0.197" to 0.300" length and 0.200" to 0.360" maximum seated height. Board layout space availability should be verified before selection.
Q: Which substitute offers the smallest footprint?
A: K105K20X7RF53K5, K105M20X7RF53H5, and K105M20X7RF53K5 offer the smallest footprint at 0.197" L x 0.126" W with heights ranging from 0.299" to 0.335" maximum seated height.
Q: Is the lead style (straight vs. formed/kinked) important for substitution?
A: Lead style affects insertion and soldering characteristics but does not impact electrical performance. The original M30R105M5-F features straight leads. Substitutes with formed or kinked leads are mechanically compatible provided lead spacing remains 0.200" (5.08mm) or is verified for 0.197" (5.00mm) applications.
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