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B32520C1104J Film Capacitor 0.1µF 100VDC Equivalent & Substitute Parts
Part Overview
The B32520C1104J is a 0.1µF film capacitor rated for 100VDC, manufactured by EPCOS - TDK Electronics as part of the B3252* MKT General Purpose series. This component is designed for automotive applications and EMI/RFI suppression in through-hole radial configurations. The part is currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Suitable alternatives maintain the same electrical specifications while offering active product status and improved availability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 0.1 µF |
| Tolerance | ±5% |
| Voltage Rating - DC | 100V |
| Voltage Rating - AC | 63V |
| Dielectric Material | Polyester, Polyethylene Terephthalate (PET), Metallized - Stacked |
| Operating Temperature Range | -55°C ~ 125°C |
| Mounting Type | Through Hole |
| Package / Case | Radial |
| Termination | PC Pins |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across electrical and mechanical parameters. All substitute parts must match the following core criteria:
- Capacitance: 0.1 µF
- Tolerance: ±5%
- Voltage Rating - DC: 100V
- Voltage Rating - AC: 63V
- Dielectric Material: Polyester, Metallized (PET or equivalent)
- Operating Temperature: -55°C minimum to 105°C minimum
- Mounting Type: Through Hole Radial
- Termination: PC Pins
- RoHS3 Compliance
Substitutes are grouped into two categories: EPCOS - TDK Electronics manufacturer-recommended parts (B3252* series variants) and direct cross-manufacturer alternatives (Cornell Dubilier Electronics and KEMET). Physical dimensions and lead spacing may vary within acceptable PCB layout tolerances for through-hole applications.
Parameter Comparison
| Part Number | Manufacturer | Capacitance | Tolerance | Voltage DC | Voltage AC | Dielectric | Temp Range | Product Status | Lead Spacing | RoHS3 |
|---|---|---|---|---|---|---|---|---|---|---|
| B32520C1104J | EPCOS - TDK | 0.1 µF | ±5% | 100V | 63V | PET, Metallized - Stacked | -55°C ~ 125°C | Obsolete | 7.50mm | Yes |
| B32521C1104J000 | EPCOS - TDK | 0.1 µF | ±5% | 100V | 63V | PET, Metallized - Stacked | -55°C ~ 125°C | Active | 10.00mm | Yes |
| B32529C1104J000 | EPCOS - TDK | 0.1 µF | ±5% | 100V | 63V | PET, Metallized - Stacked | -55°C ~ 125°C | Active | 5.00mm | Yes |
| B32529C1104J189 | EPCOS - TDK | 0.1 µF | ±5% | 100V | 63V | PET, Metallized - Stacked | -55°C ~ 125°C | Active | 5.00mm | Yes |
| B32529C1104J289 | EPCOS - TDK | 0.1 µF | ±5% | 100V | 63V | PET, Metallized - Stacked | -55°C ~ 125°C | Active | 5.00mm | Yes |
| 167104J100A-F | Cornell Dubilier | 0.1 µF | ±5% | 100V | 63V | Polyester, Metallized | -55°C ~ 125°C | Active | 7.50mm | Yes |
| 184104J100RAA-F | Cornell Dubilier | 0.1 µF | ±5% | 100V | 63V | Polyester, Metallized | -55°C ~ 125°C | Active | 7.50mm | Yes |
| 184104J100RAB-F | Cornell Dubilier | 0.1 µF | ±5% | 100V | 63V | Polyester, Metallized | -55°C ~ 125°C | Active | 7.50mm | Yes |
| R66ED3100AA7AJ | KEMET | 0.1 µF | ±5% | 100V | 63V | PET, Metallized - Stacked | -55°C ~ 105°C | Active | 7.50mm | Yes |
| 160104J100C-F | Cornell Dubilier | 0.1 µF | ±5% | 100V | 63V | Polyester, Metallized | -55°C ~ 105°C | Active | 10.00mm | Yes |
| 168104J100H-F | Cornell Dubilier | 0.1 µF | ±5% | 100V | 63V | Polyester, Metallized | -55°C ~ 125°C | Active | 5.00mm | Yes |
Engineering Selection Recommendations
All listed substitute parts maintain electrical equivalence to the B32520C1104J across capacitance, voltage rating, tolerance, and dielectric composition. Selection should prioritize active product status and compliance certifications.
EPCOS - TDK Electronics B3252 Series (Manufacturer-Recommended):* B32529C1104J000, B32529C1104J189, and B32529C1104J289 are active alternatives within the same manufacturer family. These parts carry AEC-Q200 automotive qualification and offer the smallest lead spacing (5.00mm). B32521C1104J000 provides a mid-range lead spacing option (10.00mm) with AEC-Q200 rating.
Cornell Dubilier Electronics Series 160, 167, 168, and 184: These parts provide cross-manufacturer equivalence with active product status. Series 168104J100H-F and B32529C1104J000 share identical lead spacing (5.00mm) and temperature range (-55°C ~ 125°C). Series 167104J100A-F, 184104J100RAA-F, and 184104J100RAB-F match the original 7.50mm lead spacing. Series 160104J100C-F offers 10.00mm spacing with a reduced upper temperature limit (-55°C ~ 105°C).
KEMET R66ED3100AA7AJ: This part maintains 7.50mm lead spacing and carries AEC-Q200 automotive qualification. Operating temperature range is -55°C ~ 105°C, which is acceptable for most automotive applications but represents a 20°C reduction from the original specification.
PCB layout compatibility depends on lead spacing tolerance. Parts with matching lead spacing (7.50mm or 5.00mm) provide direct mechanical fit without layout modification.
Frequently Asked Questions (FAQ)
Q: Can B32529C1104J000 replace B32520C1104J in automotive applications?
A: Yes. Both parts meet automotive specifications with 0.1µF capacitance, 100VDC rating, ±5% tolerance, and -55°C ~ 125°C operating range. B32529C1104J000 carries AEC-Q200 qualification and is active in production. The primary difference is lead spacing: 5.00mm versus the original 7.50mm. PCB layout must accommodate this spacing change.
Q: What is the difference between B32529C1104J189 and B32529C1104J289?
A: Both parts are electrically and mechanically identical. The suffix designates packaging format: J189 indicates Cut Tape (CT) packaging, while J289 also indicates Cut Tape (CT) packaging. Selection depends on procurement and assembly requirements.
Q: Are Cornell Dubilier parts suitable for automotive applications?
A: Cornell Dubilier Series 167, 184, 168, and 160 parts meet the electrical specifications for automotive EMI/RFI suppression. However, only the EPCOS - TDK and KEMET parts carry explicit AEC-Q200 automotive qualification. Cornell Dubilier parts are rated for general purpose applications and carry MSL 1 (Unlimited) moisture sensitivity, indicating suitability for standard manufacturing environments.
Q: Why does R66ED3100AA7AJ have a lower maximum operating temperature?
A: The KEMET R66ED3100AA7AJ is rated to -55°C ~ 105°C, compared to the original -55°C ~ 125°C. This 20°C reduction in upper temperature limit is acceptable for most automotive and industrial applications operating below 105°C. Applications requiring operation above 105°C should use alternatives with -55°C ~ 125°C ratings.
Q: Which substitute offers the closest physical match to B32520C1104J?
A: Cornell Dubilier 167104J100A-F, 184104J100RAA-F, and 184104J100RAB-F share the original 7.50mm lead spacing and 7.00mm seated height. KEMET R66ED3100AA7AJ also matches 7.50mm lead spacing. These parts require no PCB layout modification for direct substitution.
Q: Can I use 168104J100H-F as a drop-in replacement?
A: 168104J100H-F is electrically equivalent but has 5.00mm lead spacing versus the original 7.50mm. This requires PCB layout modification. The part is suitable for new designs or reworked boards with adjusted hole spacing.
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