Product Overview
The MMKP82 is a double-sided metallized polypropylene film capacitor (box-type) from Dongguan Keya Electronic Technology Co., LTD. It features excellent flame resistance, low loss, and a negative temperature coefficient of capacitance. This capacitor is widely used in high-voltage, high-frequency pulse circuits, electronic ballasts, compact lamps, and SNUBBER and SCR commutating circuits.
Product Attributes
- Brand: KYET (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 | Details |
|---|---|---|---|
| Applicable Temperature Range | -40 +105 | GB/T 10190 (IEC 60384-16) | |
| Rated Voltage (UR) | 400VDC/630VDC/1000VDC/1250VDC/1600VDC/2000VDC/3000VDC | ||
| Capacitance Range | 0.00221.8 F | ||
| Capacitance Tolerance | 2%(G), 3%(H), 5%(J), 10%(K) | Ref. item 4.2.2 | 1kHz |
| Dissipation Factor (tg) | 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) | IR50000M, CN0.33 F; IR30000, CN>0.33 F | Ref. item 4.2.4 | (100V, 20, 1min) |
| Solderability | Good tin plating | Ref. item 4.5 | Soldering bath method Tb, method 1A (leakage current set to 20mA), Solder temperature: 2352, Immersion time: 2.00.5s |
| Lead Strength (Tensile) | 0.5 d0.8mm, 10N; 1.0 d1.2mm, 20N | Ref. item 4.3 | |
| Lead Strength (Bending) | 0.5 d0.8mm, 5N; 1.0 d1.2mm, 10N | Ref. item 4.3 | Two consecutive bends in each direction |
| Resistance to Soldering Heat | No visible damage, clear marking | Ref. item 4.4 | Soldering bath method Tb, method 1A, 2605, 101s |
| Rapid Change of Temperature | No visible damage, clear marking | Ref. item 4.6 | QA=-40, QB=+105, 5 cycles, duration: t=30min |
| Climatic Sequence (Dry Heat, Cyclic Damp Heat, Cold) | No visible damage, clear marking | Ref. item 4.10.2, 4.10.3, 4.10.4, 4.10.6 | +105, 16h (Dry Heat); Test Db, Severity b (Cyclic Damp Heat); -40, 2h (Cold); UR applied for 1 min after test. |
| Damp Heat (Steady State) | No obvious bulging, clear marking | Ref. item 4.11 | Temperature: 85, Humidity: 85%RH, Duration: 48H |
| Endurance | No visible damage, clear marking | Ref. item 4.12 | +85, 1000h, Applied voltage: 1.25 times rated voltage |
| Characteristics with Temperature Variation | Ref. item 4.2.6 | At points b, d, f. Lower category temp (-40): 0(Cb-Cd)/Cd+3%. Upper category temp (110): -4%(Cf-Cd)/Cd0. Charging voltage is rated voltage. Static method, capacitor held at each temperature sequentially. | |
| Charge and Discharge | No cracking, no burning. | Ref. item 4.13 | Cycles: 10000. Charging time: 0.5s. Discharging time: 0.5s. Charging voltage is rated voltage. Charging resistance: 220/CR (). Discharging resistance: 10/CR() or 20 (whichever is greater). CR is nominal capacitance ( F). |
| Pulse Voltage | No cracking, no burning. | Cycles: 24. Pulse voltage: 1.8UR. | |
| Ripple Current | No cracking, no burning. | Ripple current: 10A. DC bias = rated voltage - ripple voltage. Test time: 5 hours. Test frequency: 100KHZ. | |
| Flame Retardancy Test | IEC695-2-2 Needle Flame Test, Flame resistance category C | After leaving flame, any capacitor's continuous burning time not exceeding 30S, and the dripping of the capacitor shall not ignite the cotton paper laid underneath. |
Maximum Pulse Rise Time (dV/dt)
If the working voltage (U) is lower than the rated voltage (UR), the capacitor can operate at a higher dV/dt. The allowable dV/dt value should be obtained by multiplying the right table value with UR/U.
| UR(V) | dV/dt(v/s) for P=7.5 | dV/dt(v/s) for P=10.0 | dV/dt(v/s) for P=15.0 | dV/dt(v/s) for P=22.5 | dV/dt(v/s) for P=27.5 |
|---|---|---|---|---|---|
| 250 | 1200 | 1000 | 550 | 250 | 200 |
| 400 | 1800 | 1500 | 900 | 500 | 300 |
| 630 | 3200 | 3200 | 2500 | 1500 | 900 |
| 1000 | 6000 | 6000 | 3300 | 2100 | 1000 |
| 1600 | ------- | ------- | 6000 | 3000 | 2000 |
| 2000 | ------- | ------- | 10000 | 5000 | 2200 |
2411211936_KYET-MMKP123J3A1001_C2991054.pdf
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