Product Overview
The MMKP82 series is a double-sided metallized polypropylene film capacitor (box-type) designed for high-voltage, high-frequency pulse circuits. It features low loss, small internal temperature rise, a negative temperature coefficient of capacitance, and excellent flame resistance. Applications include electronic ballasts, compact lamps, and SNUBBER and SCR commutating circuits.
Product Attributes
- Brand: Dongguan Keya Electronic Technology Co., LTD ()
- Origin: Dongguan, China
- Material: Polypropylene film dielectric, double-sided metallized polyester film electrodes, tin-plated copper wire leads, flame retardant epoxy resin encapsulation.
- Color: Grey casing ()
Technical Specifications
| Item | Performance Requirement | Test Method | Notes |
| Applicable Temperature Range | -40 — +105℃ | GB/T 10190 (IEC 60384-16) | |
| Rated Voltage (UR) | 400VDC/630VDC/1000VDC/1250VDC/1600VDC/2000VDC/3000VDC | ||
| Capacitance Range | 0.0022 – 1.8µF | ||
| Capacitance Tolerance | ±2%(G), ±3%(H), ±5%(J), ±10%(K) | Ref. item 4.2.2 | 1kHz |
| Dissipation Factor (tgδ) | ≤ 0.0010 | Ref. item 4.2.3 | (20℃, 1KHz, 0.1V) |
| Withstand Voltage | 1.6UR, 5s | Ref. item 4.2.1 | No breakdown or arcing |
| Insulation Resistance (IR) | ≥50000MΩ, C≤0.33µF; ≥30000, C>0.33µF | Ref. item 4.2.4 | (100V, 20℃, 1min) |
| Solderability | Good tin plating | Ref. item 4.5 | Solder bath method Ta, Method 1; Solder temp: 235±2℃, Immersion time: 2.0±0.5s |
| Lead Strength (Tensile) | 0.5≤♕d≤0.8mm, 10N; 1.0≤♕d≤1.2mm, 20N | Ref. item 4.3 | |
| Lead Strength (Bending) | 0.5≤♕d≤0.8mm, 5N; 1.0≤♕d≤1.2mm, 10N | Ref. item 4.3 | Two consecutive bends in each direction |
| Resistance to Soldering Heat | No visible damage, clear marking | Ref. item 4.4 | Solder bath method Tb, Method 1A; 260±5℃, 10±1s |
| Final Measurement (after soldering heat) | Capacitance: ΔC/C≤±2% of initial; tgδ increase: Δtgδ ≤0.0020 (10kHz, C≤1.0µF) / ≤0.0020 (1kHz, C>1µF); IR: ≥50% of rated | ||
| Rapid Change of Temperature | Appearance: No visible damage; Capacitance: ΔC/C≤±5% of initial; tgδ increase: Δtgδ ≤0.0020 (10kHz, C≤1.0µF) / ≤0.0020 (1kHz, C>1µF); IR: ≥50% of rated | Ref. item 4.6 | QA=-40℃, QB=+105℃, 5 cycles |
| Climatic Sequence | Appearance: No visible damage, clear marking; Capacitance change: ΔC/C≤±3% of initial; tgδ increase: Δtgδ ≤0.0030 (10kHz, C≤1.0µF) / ≤0.0030 (1kHz, C>1µF); IR: ≥50% of rated | Ref. item 4.10.2, 4.10.3, 4.10.4, 4.10.6 | Includes dry heat, cyclic damp heat, cold, and damp heat tests |
| Damp Heat (Steady State) | Appearance: No obvious bulging, clear marking; Capacitance change: ΔC/C≤±2% of initial; tgδ increase: Δtgδ ≤0.0010 (1kHz); IR: ≥90% of rated | Ref. item 4.11 | 85℃, 85%RH, 48H |
| Endurance | Appearance: No visible damage, clear marking; Capacitance change: ΔC/C≤±5% of initial; tgδ increase: Δtgδ ≤0.0020 (10kHz); IR: ≥50% of rated | Ref. item 4.12 | +85℃, 1000h, applied voltage: 1.25 times rated voltage |
| Characteristics Dependent on Temperature | At points b, d, f; -40℃: 0≤(Cb-Cd)/Cd≤+3%; 110℃: -4%≤(Cf-Cd)/Cd≤0 | Ref. item 4.2.6 | Charging voltage is rated voltage |
| Charge and Discharge | Capacitance: ΔC/C≤±5% of initial; tgδ increase: Δtgδ ≤0.0030 (10KHz, 0.1V); Withstand Voltage: 1.6UR; IR: ≥50% of rated | Ref. item 4.13 | 10000 cycles |
| Pulse Voltage | ΔC/C≤±5% of initial; tgδ increase: Δtgδ ≤0.0020 (10kHz); IR: ≥50% of rated | 24 times, pulse voltage: 1.8UR | |
| Ripple Current | Appearance: No cracking, no burning; Capacitance change: ΔC/C≤±10% of initial; tgδ increase: Δtgδ ≤0.0030(10kHz, 0.1V) / ≤0.0030(1kHz, 1V); IR: ≥50% of rated | Test temp: room temp, Ripple current: 10A, DC bias: rated voltage - ripple voltage, Test time: 5 hours, Test frequency: 100KHZ | |
| Flame Retardancy | No continued burning for more than 30s after flame removal, and no ignition of cotton paper by drippings | IEC695-2-2 Needle Flame Test, Flame Resistance Class C | Exposure time varies with volume |
2411211936_KYET-MMKP224J3A2701_C2991069.pdf
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