Product Overview
The MMKP82 is a double-sided metallized polypropylene film capacitor (Box-type) designed for high-voltage, high-frequency pulse circuits. It features excellent flame resistance, low loss, and a negative temperature coefficient of capacitance. This capacitor is widely used in electronic ballasts, compact lamps, and SNUBBER and SCR commutating circuits.
Product Attributes
- Brand: KYET ()
- Origin: Dongguan, China
- Material: Polypropylene film dielectric, double-sided metallized polyester film electrodes, flame retardant epoxy resin potting.
- Color: Grey shell, white glue
- Certifications: GB/T 10190 (IEC 60384-16)
Technical Specifications
| Item | Performance Requirement | Test Method | Details |
|---|---|---|---|
| Operating 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) |
| Dielectric Strength | 1.6UR, 5s, no breakdown or flashover | Ref. item 4.2.1 | |
| Insulation Resistance (IR) | ≥50000MΩ, C≤0.33μF; ≥30000, C>0.33μF; (100V, 20℃, 1min) | Ref. item 4.2.4 | Test voltage setting: 10V≤UR<100V, test voltage is 10V; 100V≤UR<500V, test voltage is 100V; UR≥500V, test voltage is 500V (20℃, 1min) |
| Solderability | Good tin plating | Ref. item 4.5 | Soldering bath method Tb, method 1A (leakage current setting 20mA). Solder temperature: 235±2℃, Immersion time: 2.0±0.5s |
| Lead Strength | Tensile: 0.5≤φd≤0.8mm, 10N; 1.0≤φd≤1.2mm, 20N. Bending: 0.5≤φd≤0.8mm, 5N; 1.0≤φd≤1.2mm, 10N. | Ref. item 4.4 | No visible damage. Each direction bent twice continuously. |
| Resistance to Soldering Heat | No visible damage, clear marking | Ref. item 4.4 | Soldering bath method Tb, method 1A. 260±5℃, 10±1s. |
| Rapid Change of Temperature | No visible damage, clear marking. Capacitance change: ɖC/C≤±5% of initial measurement. tgδ increase: ≤0.0020 (10kHz, C≤1.0μF); ≤0.0020 (1kHz, C>1μF). IR change: ≥50% of rated value. | Ref. item 4.6 | QA=-40℃, QB=+105℃. 5 cycles, duration: t=30min. |
| Climatic Sequence | No visible damage, clear marking. Capacitance change: ɖC/C≤±3% of initial measurement. tgδ increase: ≤0.0030 (10kHz, C≤1.0μF); ≤0.0030 (1kHz, C>1μF). IR change: ≥50% of rated value. | Ref. item 4.10.2, 4.10.3, 4.10.4, 4.10.6 | Dry heat (+105℃, 16h), Cyclic damp heat (Test Db, severity b, first cycle), Cold (-40℃, 2h), Cyclic damp heat (Test Db, severity b, other cycles). After test, apply UR for 1 min. |
| Steady State Damp Heat | No obvious swelling, clear marking. Capacitance change: ɖC/C≤±2% of initial measurement. tgδ increase: ≤0.0010 (1kHz). IR change: ≥90% of rated value. | Ref. item 4.11 | 85℃, 85%RH, 48H |
| Endurance | No visible damage, clear marking. Capacitance change: ɖC/C≤±5% of initial measurement. tgδ increase: ≤0.0020 (10kHz). IR change: ≥50% of rated value. | Ref. item 4.12 | +85℃, 1000h. Applied voltage: 1.25 x rated voltage. |
| Capacitance vs. Temperature Characteristics | At points b, d, f. Lower limit temp (-40℃): 0≤(Cb-Cd)/Cd≤+3%. Upper limit temp (110℃): -4%≤(Cf-Cd)/Cd≥0. | Ref. item 4.2.6 | Charging voltage is rated voltage. Static method. Capacitors held at: a.(20±2)℃, b.(-40±3)℃, d.(20±2)℃, f.(110±2)℃, g.(20±2)℃. |
| Charge and Discharge | Capacitance change: ɖC/C≤±5% of initial measurement. tgδ increase: ≤0.0030 (10KHz, 0.1V). Dielectric strength: 1.6UR. IR change: ≥50% of rated value. No explosion or burning. | Ref. item 4.13 | Cycles: 10000. Charge time: 0.5s. Discharge time: 0.5s. Charging voltage: rated voltage. Charging resistance: 220/CR (Ω). Discharge resistance: 10/CR(Ω) or 20Ω (whichever is greater). CR is nominal capacitance (μF). |
| Pulse Voltage | Capacitance change: ɖC/C≤±5% of initial measurement. tgδ increase: ≤0.0020 (10kHz). IR change: ≥50% of rated value. Dielectric strength: 1.6UR. No explosion or burning. | Cycles: 24. Pulse voltage: 1.8UR. | |
| Ripple Current | Capacitance change: ɖC/C≤±10% of initial measurement. tgδ increase: ≤0.0030 (10kHz, 0.1V); ≤0.0030 (1kHz, 1V). IR change: ≥50% of rated value. Dielectric strength: 1.6UR. No explosion or burning. | Test temperature: Room temp. Ripple current: 10A. DC bias: rated voltage - ripple voltage. Test time: 5 hours. Test frequency: 100KHZ. | |
| Flammability Test | After removing from flame, continued burning time of any capacitor shall not exceed 30S, and the burning drippings of the capacitor shall not ignite the cotton paper laid underneath. | IEC695-2-2 Needle Flame Test, Flame resistance category C, exposed to flame once. | Volume (mm³): V≥250, exposure time 5s; 250 |
2411211937_KYET-MMKP224J3L2701_C18214239.pdf
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