Product Overview
The CT81 series of ceramic disc capacitors are designed for high-voltage applications. These capacitors are primarily used in the power supply circuits and horizontal output circuits of color TVs, computer monitors, copy machines, and energy-saving lamps. They are constructed with a ceramic dielectric, silver electrodes, and an epoxy resin coating, ensuring reliability and performance in demanding electronic systems.
Product Attributes
- Brand: DGGX (Dongguan Chengxi Electronics Co., Ltd.)
- Product Name: Round Ceramic Disc Capacitor
- Model Series: CT81
- Dielectric Material: Ceramic
- Coating Material: Epoxy Resin
- Electrode Material: Silver
- Solder Material: Alloy Tin
- Lead Wire Material: Tinned Lead Wire
- Origin: Dongguan, Guangdong, China
Technical Specifications
| Product Code | Model Specification | Rated Voltage | Nominal Capacitance | Tolerance | Temperature Characteristic | Max Diameter (Dmax) | Max Thickness (Tmax) | Lead Spacing (F) | Lead Diameter (d) |
|---|---|---|---|---|---|---|---|---|---|
| C81Y5P471K2KV6060MT | CT81 471K 2KV (Y5P) | 2KV | 471 (470pF) | K (+/-10%) | Y5P | 6.5 mm | 2.5 mm | 5 mm | 0.6 mm |
Detailed Specifications & Test Methods
| Item | Specification | Test Method and Conditions |
|---|---|---|
| Storage Temperature Range | -40 ~ +85 | N/A |
| Operating Temperature Range | -25 ~ +85 | N/A |
| Appearance and Dimension | Appearance has no marked defect. Dimensions shall be within specified tolerance. | Appearance observed visually. Dimensions measured by caliper. |
| Marking | Should be clearly visible. | Observed visually. |
| Capacitance | Within specified tolerance. | Temp: 202, Vol: 1.00.2Vrms, Freq: 10.1KHz |
| Dissipation Factor | 0.2% max | Same condition as capacitance. |
| Insulation Resistance | > 10,000 M | Charged with 50050V.DC for 1 minute. |
| Dielectric Strength (Between Lead Wires) | No failure. | Apply 150% of rated voltage for 1 min. (Charge/discharge current 50mA) |
| Dielectric Strength (Body Insulation) | No failure. | Apply 150% of rated voltage between lead wires and metal foil wrapped around body for 1 min. (Charge/discharge current 50mA) |
| Temperature Characteristic (Y5P) | Ct - C3 / C3 = +22% to -33% | Pre-treatment: 852 for 1 hr, then room condition for 242 hrs. Tested at specified temperatures (-25, 20, 85). |
| Strength of Lead Wires (Pull) | Lead wire shall not cut off and capacitor shall not be damaged. | Apply 10N tensile weight in lead direction for 101 sec. |
| Strength of Lead Wires (Bending) | No failure. | Apply 5N weight and bend 90 twice in opposite directions. |
| Soldering Effect | Capacitance Change: 10% max | Pre-treatment: 852 for 1 hr, then room condition for 242 hrs. Post-treatment: Room condition for 242 hrs. |
| Temperature Cycling | Appearance: No marked defect. Capacitance Change: 10% max | 5 cycles of -25 to 85. Pre-treatment and Post-treatment as specified. |
| Vibration Resistance | Appearance: No marked defect. Capacitance Change: 10% max | 10Hz-500Hz, 1.5mm amplitude, 6 hours total (2 hrs per axis). Pre-treatment and Post-treatment as specified. |
| Solderability of Lead Wires | Tinned area > 90%. | Dipped in molten solder at 2455 for 20.5 sec. |
| Collision Resistance | Appearance: No marked defect. Capacitance Change: 10% max | Acceleration 390m/s, pulse 6ms, 4000 times. Pre-treatment and Post-treatment as specified. |
| Humidity Cycling | Appearance: No marked defect. Capacitance Change: 10% max. DF: 0.2% max. IR: > 2500 M | 402, 953% RH for 8 hrs, room condition for 16 hrs, 5 cycles. Post-treatment: 1-2 hrs at room condition. |
| Humidity (Under Steady State) | Appearance: No marked defect. Capacitance Change: 10% max. DF: 0.2% max. IR: > 2500 M | 402, 953% RH for 50012 hrs. Pre-treatment and Post-treatment as specified. |
| Life Test | Appearance: No marked defect. Capacitance Change: 10% max. DF: 0.2% max. IR: > 4000 M | 150% rated voltage at 852 for 1000 hrs. (Charge/discharge current 50mA). Pre-treatment and Post-treatment as specified. |
| Pressure Cooking | Appearance: No marked defect. IR: > 1500 M. Dielectric Strength: Per Item 8. | 1212, 2 atm for 4 hrs. Pre-treatment and Post-treatment as specified. |
Packaging
Packing Quantity: 500 pcs per bag (Bag Size 2: 190x190mm)
Packing Marking Example: DGGX Logo, Code, Model, Lot Number, Production Date, Quantity per Bag.
Outer Packaging: Internal boxes (A1, A2) and Over-wrap boxes (B1, B2). Packing quantity should be in integral multiples of 100 or 500.
2512241555_DGCX-C81Y5P471K2KV6060MT_C53224137.pdf
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