Product Overview
The DGCX X2 series of metallized polypropylene film capacitors are designed for suppressing electromagnetic interference (EMI) in power supply applications. These capacitors feature a non-inductive winding structure with a metallized polypropylene film and are encapsulated in a flame-retardant plastic case (UL94V-0) with flame-retardant epoxy resin. They offer good self-healing properties and can withstand high voltage surges, making them suitable for interference suppressors and X-line capacitor circuits where failure of the capacitor does not create a risk of electric shock. This series is not recommended for R-C voltage dividing circuits or high-temperature, high-humidity environments.
Product Attributes
- Brand: DGCX
- Product Series: MPX
- Construction: Non-inductive winding, metallized polypropylene film
- Encapsulation: Flame-retardant plastic case (UL94V-0) and epoxy resin
- Lead Material: Tinned copper-clad steel wire
- Case Material: PBT
- Color: Yellow (as per example code Y)
- Certifications: UL&CUL (E499953), ENEC-VDE (40048056), CQC (CQC18001191338)
- Environmental Compliance: RoHS, REACH, Halogen-free (if required)
Technical Specifications
| Parameter | Specification | Notes |
|---|---|---|
| Product Name | X2 Metallized Polypropylene Film Capacitor for Suppressing Power Supply EMI | |
| Model Series | DGCX | |
| Product Code | MX2205KQ3E60YB2000R | |
| Capacitance | 2.0 F | Nominal value |
| Capacitance Tolerance | 10% | Code K |
| Rated Voltage (AC) | 275VAC / 300VAC / 310VAC | |
| Pitch (P) | 22.5 10% mm | |
| Dimensions (W x H x T) | 26.5*21.5*12 mm | (0.5mm for W, H, T) |
| Operating Temperature Range | -40C to +110C | |
| Climate Category/Flame Retardancy | 40/110/56 B | |
| Dissipation Factor (DF) at 1kHz, 20C | 0.1% | For 2.0F |
| Dielectric Strength (between terminals) | 4.3*UR(VDC), 60 seconds | |
| Dielectric Strength (between case and terminal) | 2120VAC, 60 seconds | |
| Insulation Resistance | 5000 M*F (for C>0.33uF) | (100VDC, 60 seconds) |
| Lead Diameter (d) | 0.8 0.05 mm | |
| Lead Length (L) | 20 2.0 mm | |
| Packaging | Inner Box: 34.5*23.5*24.5 cm Outer Box: 49*36*27 cm | |
| Storage Conditions | Max Temperature: 35C Max Relative Humidity: 80% | Original packaging, max 12 months |
Product Features
- Metallized polypropylene film non-inductive structure with good self-healing properties.
- Capable of withstanding high voltage surges.
- Encased in a flame-retardant plastic shell and sealed with flame-retardant epoxy resin.
Usage Guidelines
- Do not exceed the upper limit category temperature.
- Avoid overload operation.
- Do not exceed the maximum pulse current.
- Avoid repeated squeezing at the lead root.
- Soldering:
- Wave Soldering: TP 110C; Ts 120C, 45 seconds (for polypropylene film capacitors). For P7.5mm, T4mm, soldering time < 4 seconds.
- Soldering Iron: Tip temperature not exceeding 350C, time not exceeding 3 seconds.
- Capacitors with printed leads are not suitable for reflow soldering.
Electrical Characteristics & Test Conditions
| No. | Item | Test Method | Specification |
|---|---|---|---|
| 1 | Terminal Strength | Tensile Strength & Bending Strength | No visible mechanical damage |
| 2 | Solderability | Tinning rate | 95% |
| 3 | Soldering Heat Resistance | Appearance, DF change, Capacitance change | No visible damage, DF increase 0.005, C/C 5% |
| 4 | Temperature Rapid Change | Appearance | No visible damage |
| 5 | Vibration | Appearance, Capacitance change, DF increase, Insulation Resistance | No visible damage, C/C 5%, DF increase 0.008 (1.0F), 0.005 (>1.0F), IR/IR 50% |
| 6 | Shock | Appearance, Capacitance change, DF increase, Insulation Resistance | No visible damage, C/C 5%, DF increase 0.008 (1.0F), 0.005 (>1.0F), IR/IR 50% |
| 7 | Initial Measurement | Capacitance (1KHz), DF | |
| 8 | Climate Sequence (Test Db) | Appearance, Capacitance change, DF increase, Insulation Resistance | No visible damage, C/C 5%, DF increase 0.008 (1.0F), 0.005 (>1.0F), IR/IR 50% |
| 9 | Damp Heat (Steady State) | Appearance, Capacitance change, DF increase, Insulation Resistance | No visible damage, C/C 5%, DF increase 0.008 (1.0F), 0.005 (>1.0F), IR/IR 50% |
| 10 | Pulse Voltage | Self-healing breakdown | Capacitor considered qualified if no self-healing breakdown occurs for three consecutive pulses, or if self-healing breakdown does not occur for three or more times after all 24 pulses. |
| 11 | Endurance | Appearance, Capacitance change, DF increase, Insulation Resistance, Withstand Voltage | No visible damage, C/C 10%, DF increase 0.008 (1.0F), 0.005 (>1.0F), IR/IR 50%, 4.3UR(VDC), 60s |
| 12 | Charge/Discharge | Capacitance change, DF increase, Insulation Resistance | C/C 10%, DF increase 0.008 (10KHz, 1.0uF), 0.005 (1KHz, >1.0uF), IR/IR 50% |
| 13 | Flammability Test | Burning time, burning droppings | Burning time 10s after flame removal, droppings should not ignite cotton paper. Needle Flame Test: Flame Retardancy Grade B. |
| 14 | Self-Ignition Test | Gauze burning, electrical measurements | Gauze wrapped on capacitor should not burn. Electrical measurements not required. |
Impedance vs. Frequency Curve
Typical curve Z=f(f)
Product Electrical Characteristic Diagrams
Refer to diagrams for detailed electrical characteristics.
2411151510_DGCX-MX2205KQ3E60YB2000R_C42381405.pdf
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