Vishay BC Components MKT372 Radial Potted DC Film Capacitors
The Vishay BC Components MKT372 series offers radial potted DC film capacitors with a 10 mm lead pitch. These capacitors are suitable for blocking and coupling, bypass, and energy reservoir applications. They are available loose in a box, taped on reel, or in ammopack, with options for different capacitance tolerances and rated voltages.
Product Attributes
- Brand: Vishay BC Components
- Type: MKT Radial Potted
- Material: Polyester film dielectric, metallized electrodes, mono construction
- Encapsulation: Flame retardant plastic case and epoxy resin (UL-class 94 V-0)
- Leads: Tinned wire
- Certifications: IEC 60384-2
- Material Categorization: Refer to www.vishay.com/doc?99912 for compliance definitions.
Technical Specifications
| Rated DC Voltage (V) | Capacitance Range (E12 series) (F) | Capacitance Tolerance | Rated AC Voltage (V) | Climatic Testing Class | Rated Temperature (C) | Maximum Application Temperature (C) | Performance Grade | Lead Pitch (mm) | Dielectric | Electrodes | Construction | Encapsulation | Reference Standards |
| 100, 250, 400, 630 | 0.0047 to 0.68 | 10 %, 5 % | 63, 160, 220, 250 | 55/105/56 | 85 | 105 | Grade 1 (long life) | 10 | Polyester film | Metallized | Mono | Flame retardant plastic case and epoxy resin (UL-class 94 V-0) | IEC 60384-2 |
Detailed Electrical Data
| Parameter | Condition | Value |
| Tangent of loss angle | at 1 kHz | 75 x 10 (C 0.1 F); 75 x 10 (0.1 F < C 0.68 F) |
| Tangent of loss angle | at 10 kHz | 130 x 10 (C 0.1 F); 130 x 10 (0.1 F < C 0.68 F) |
| Tangent of loss angle | at 100 kHz | 250 x 10 (C 0.1 F); 250 x 10 (0.1 F < C 0.68 F) |
| Rated voltage pulse slope (dU/dt)R | at 100 VDC | 34 V/s |
| Rated voltage pulse slope (dU/dt)R | at 250 VDC | 50 V/s |
| Rated voltage pulse slope (dU/dt)R | at 400 VDC | 80 V/s |
| Rated voltage pulse slope (dU/dt)R | at 630 VDC | 120 V/s |
| Insulation Resistance (R between leads) | for C 0.33 F, at 10 V; 1 min | > 15 000 M |
| Insulation Resistance (R between leads) | for C 0.33 F, at 100 V; 1 min | > 15 000 M |
| Insulation Resistance (R between leads) | for C 0.33 F, at 100 V; 1 min | > 30 000 M |
| Insulation Resistance (R between leads) | for C 0.33 F, at 100 V; 1 min | > 30 000 M |
| RC between leads | for C > 0.33 F, at 100 V; 1 min | > 5000 s |
| R between interconnecting leads and case (foil method) | > 30 000 M | |
| Withstanding (DC) voltage (cut off current 10 mA) | 100 VDC rated | 1000 V; 1 min |
| Withstanding (DC) voltage (cut off current 10 mA) | 250 VDC rated | 1600 V; 1 min |
| Withstanding (DC) voltage (cut off current 10 mA) | 400 VDC rated | 2560 V; 1 min |
| Withstanding (DC) voltage (cut off current 10 mA) | 630 VDC rated | 4032 V; 1 min |
| Withstanding (DC) voltage between leads and case | 100 VDC rated | 200 V; 1 min |
| Withstanding (DC) voltage between leads and case | 250 VDC rated | 500 V; 1 min |
| Withstanding (DC) voltage between leads and case | 400 VDC rated | 800 V; 1 min |
| Withstanding (DC) voltage between leads and case | 630 VDC rated | 1260 V; 1 min |
Ordering Information Example
BFC2 372 XX YY Y TYPE PACKAGING LEAD CONFIGURATION PREFERRED TYPES C-TOL. 100 V 250 V 400 V 630 V
372 Loose in box Lead length 4.0 mm + 1.0 mm/- 0.5 mm 10 % 21 41 51 61 5 % 22 42 52 62
Taped on reel (1) H (1) = 18.5 mm P0 = 12.7 mm Reel diameter = 356 mm 10 % 25 45 55 65 5 % 26 46 56 66
Ammopack (1) H (1) = 18.5 mm P0 = 12.7 mm 10 % 28 48 58 68 5 % 29 49 59 69
CAPACITANCE (numerically) TYPE AND PITCHES 372 10.00 mm Example: 104 = 10 x 10 = 100 nF MULTIPLIER (nF) 0.1 2 1 3 10 4
2410121806_VISHAY-BFC237221104_C499565.pdf
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