Product Overview
The CT81 series ceramic disc capacitors are designed for high-voltage applications, primarily used in the power supply circuits and horizontal output circuits of color televisions, computer monitors, copy machines, and energy-saving lamps. These capacitors are constructed with ceramic dielectric, silver electrodes, and are encapsulated in epoxy resin. They offer reliable performance across a range of operating temperatures and are built to withstand various environmental and operational stresses.
Product Attributes
- Manufacturer: Dongguan Chengxi Electronics Co., Ltd.
- Origin: Dongguan, Guangdong Province, China
- Product Name: Round Ceramic Disc Capacitor
- Dielectric Material: Ceramic (Y5V)
- Coating Material: Epoxy Resin
- Electrode Material: Silver
- Lead Wire Material: Tinned Lead Wire
- Solder Material: Tin Alloy
Technical Specifications
| Product Code | Model Specification | Dmax (mm) | Tmax (mm) | F (mm) | d (mm) | Rated Voltage (VDC) | Capacitance (pF) | Tolerance | Temperature Characteristic |
|---|---|---|---|---|---|---|---|---|---|
| CT81Y5V2KV103M105E | CT81 103M 2KV (Y5V) | 10.5 | 3.0 | 7.5 | 0.6 | 2000 | 10000 (103) | 20% | Y5V |
| CT81-2KV-Y5V-103M | CT81-2KV-Y5V-103M | 10.5 | 3.0 | 7.5 | 0.6 | 2000 | 10000 (103) | 20% | Y5V |
Specifications and Test Methods
| Item | Specification | Test Method and Conditions |
|---|---|---|
| Storage Temperature Range | -40 ~ +85 | |
| Operating Temperature Range | -25 ~ +85 | |
| Appearance and Dimension | Appearance has no marked defect. Dimensions shall be within specified tolerance. | Appearance be watched on sight. Dimension be measured by caliper. |
| Marking | Should be discerned easily. | Be watched on sight. |
| Capacitance | Within specified tolerance | Temp.: 202, Vol.: 1.00.2Vrms, Freq.: 10.1KHz |
| Dissipation Factor | 0.2%max | Same condition as capacitance |
| Insulation Resistance | 10,000M | Measured with 50050V.DC within 605 sec of charging. |
| Dielectric Strength (Between Lead Wires) | No failure. | Apply a DC voltage of 150% of the rated voltage for 1 min. (Charge/discharge current50mA) |
| Body Insulation (Terminal to Case) | No failure. | Apply 150% of rated voltage for 1 min. (Charge/discharge current50mA) |
| Temperature Characteristic (Y5V) | Ct - C20 / C20: +22% ~ -33% | Pre-treatment: 852 for 1 hour, then room condition for 242 hours. Measurement at specified temperatures. |
| Strength of Lead Wires (Pull) | Lead wire shall not cut off and capacitor shall not be damaged. | Apply 10N tensile load in the lead direction for 101 sec. |
| Strength of Lead Wires (Bending) | Apply 5N load, bend 90 each direction, 2 times. | |
| Soldering Effect | Appearance: No marked defect. Capacitance Change: 10%max | Pre-treatment: 852 for 1 hour, then room condition for 242 hours. Immerse leads in 2605 solder for 5.00.5 sec. Post-treatment: Room condition for 242 hours. |
| Temperature Cycling | Appearance: No marked defect. Capacitance Change: 10%max | 5 cycles of -25 (303min) 20 (3min max) 85 (303min) 20 (3min max). Pre- & Post-treatment: As specified. |
| Vibration Resistance | Appearance: No marked defect. Capacitance Change: 10%max | 10Hz500Hz, 1.5mm amplitude, 6 hours total (2 hours/axis). Pre- & Post-treatment: As specified. |
| Solderability of Lead Wires | Lead wire shall be soldered with uniformly coated on the axial direction over 90% of the circumferential direction. | Dip in 2455 molten solder for 20.5 sec, 2.0~2.5mm from body. |
| Collision Resistance | Appearance: No marked defect. Capacitance Change: 10%max | 390m/s, 6ms pulse, 4000 times. Pre- & Post-treatment: As specified. |
| Humidity Cycling | Appearance: No marked defect. Capacitance Change: 10%max. DF: 0.2%max. IR: 2500M | 402, 953%RH for 8 hours, room condition for 16 hours, 5 cycles. Post-treatment: Room condition for 1-2 hours. |
| Humidity (Under Steady State) | Appearance: No marked defect. Capacitance Change: 10%max. DF: 0.2%max. IR: 2500M | 402, 953%RH for 50012 hours. Pre- & Post-treatment: As specified. |
| Life Test | Appearance: No marked defect. Capacitance Change: 10%max. DF: 0.2%max. IR: 4000M | 150% rated voltage at 852 for 1000 hours. Pre- & Post-treatment: As specified. |
| Pressure Cooking | Appearance: No marked defect. IR: 1500M. Dielectric Strength: Per Item 8. | 1212, 2 atm for 4 hours. Pre- & Post-treatment: As specified. |
Packing Information
Packing Quantity: 500 pieces per bag (Size 2 bag).
Bag Sizes: 1: 215190mm; 2: 190190mm; 3: 170160mm.
Packing Marking: Includes Manufacturer's Marking (DGCX), Code, Model, Product Lots, Production Date, and Quantity per bag.
Outer Packaging: Available in internal boxes (A1, A2) and over-wrap boxes (B1, B2). Packing quantity should be an integral multiple of 100 or 500.
2504111701_DGCX-CT81Y5V2KV103M105E_C46596159.pdf
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