High reliability WIMA SNMPTA41508H3CMS00 snubber mkp capacitor with solvent resistant flame retardant plastic case
WIMA Snubber MKP Capacitors for Pulse Applications
WIMA Snubber MKP capacitors are designed for demanding pulse applications, featuring double-sided metallized electrodes and an internal series connection. They offer high reliability, self-healing properties, and a very low dissipation factor, making them ideal for high pulse and high frequency scenarios, particularly in IGBT applications. Available in configurations with 4-pin versions and screwable plate connections for particularly reliable contact.
Product Attributes
- Brand: WIMA
- Series: Snubber MKP
- Dielectric: Polypropylene (PP) film
- Electrodes: Double-sided metallized plastic film
- Encapsulation: Solvent-resistant, flame-retardant plastic case with epoxy resin seal, UL 94 V-0
- Terminations: Tinned wire or plates
- Color: Red case, Black marking
- Certifications: AEC-Q200 qualified, RoHS 2015/863/EU compliant
Technical Specifications
| Capacitance (µF) | Rated Voltage (VDC) | Rated Voltage (VAC*) | Capacitance Tolerance | Operating Temperature Range (°C) | Dissipation Factor (tan δ) at 1 kHz | Max. Pulse Rise Time (V/µs) at TA < 40°C | Insulation Resistance (MΩ) | Climatic Test Category | Operational Life (hours) | Failure Rate (fit) |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.047 to 8.0 | 700, 850, 1000, 1250, 1700, 2000, 2500, 3000 | 420, 450, 600, 650, 700 | ±20%, ±10%, ±5% (others on request) | -55 to +105 | ≤ 6 x 10-4 (for C ≤ 1.0 µF) | Varies by capacitance and voltage (see detailed table in source) | C ≤ 0.33 µF: ≥ 1 x 105; C > 0.33 µF: ≥ 30,000 sec (MΩ×µF) | 55/100/56 (IEC) | ≥ 300,000 | ≤ 1 (at 0.5 x Ur and 40°C) |
Part Numbering and Dimensions (Examples)
| Capacitance (µF) | Rated Voltage (VDC/VAC*) | Dimensions (W x H x L in mm) | Example Part Number Prefix |
|---|---|---|---|
| 0.22 | 700 VDC / 420 VAC | 11 x 21 x 31.5 | SNMPO132206B |
| 0.33 | 700 VDC / 420 VAC | 15 x 26 x 31.5 | SNMPM033306F |
| 1.0 | 700 VDC / 420 VAC | 17 x 29 x 31.5 | SNMPK041006G |
| 0.1 | 1250 VDC / 600 VAC | 11 x 21 x 31.5 | SNMPTA31006B |
| 0.47 | 1700 VDC / 650 VAC | 19 x 32 x 41.5 | SNMPTA34707F |
| 1.0 | 2000 VDC / 700 VAC | 20 x 39.5 x 41.5 | SNMPU041007F |
| 0.047 | 2500 VDC / 700 VAC | 11 x 21 x 31.5 | SNMPV024706B |
| 0.1 | 3000 VDC / 700 VAC | 15 x 26 x 31.5 | SNMPW031006F |
*AC voltages: f ≤ 1000 Hz; 1.4 x Urms + UDC ≤ Ur. Dims. in mm. Ionisation inception level in isolated cases may be lower than admissible rated AC voltage.
Part number completion: Version codes see page 122. Tolerance: 20 % = M, 10 % = K, 5 % = J. Packing: bulk = S. Pin length: 6-2 = SD, none = 00 (for plate versions).
Mounting Recommendation: Avoid excessive mechanical strain. For plate versions, limit screw torque to max. 5 Nm.
For further details and graphs, please refer to Technical Information. Packing units at the end of the catalogue. Packing quantities may vary depending on the plate version.
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