Product Overview
The CT81 series round ceramic dielectric capacitor is designed for use in power circuits and horizontal output circuits of color TVs, computer monitors, copy machines, and energy-saving lamps. Manufactured by Dongguan Chengxi Electronics Co., Ltd., these capacitors utilize a ceramic dielectric and epoxy resin coating, making them suitable for a variety of electronic applications.
Product Attributes
- Brand: DGCX (implied by Manufacturer's Marking example)
- Manufacturer: Dongguan Chengxi Electronics Co., Ltd.
- Origin: Dongguan, Guangdong Province, China
- Dielectric Material: Ceramic
- Coating Material: Epoxy Resin
- Electrode Material: Silver
- Solder Material: Tin Alloy
- Lead Wire Material: Tinned Lead Wire
Technical Specifications
| Item | Specification | Test Method and Conditions |
|---|---|---|
| Product Name | Round Ceramic Dielectric Capacitor | - |
| Model | CT81 472M 2KV (Y5V) | - |
| Product Code | CT81Y5V2KV472M7090EB | - |
| Application | Power circuits and horizontal output circuits of color TVs, computer monitors, copy machines, energy-saving lamps. | - |
| Appearance & Structure (Style) | CT81-2KV-Y5V-472M | D0.5mm: 8.1, T0.5mm: 3.2, Fmm: 7.5, d(mm): 0.6 |
| Marking | Manufacturer's Code, Temperature Characteristic, Rated Voltage, Rated Capacitance, Tolerance of Capacitance | Clearly visible |
| Storage Temperature Range | -40 ~ +85 | - |
| Operating Temperature Range | -25 ~ +85 | - |
| 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 for 1 min. |
| Temperature Characteristic (Y5V) | +22% to -33% | Capacitance measurement at various temperatures after pre-treatment. |
| Lead Wire Strength (Pull) | Lead wire shall not cut off and capacitor shall not be damaged | Apply 10N tensile weight for 101 sec. |
| Lead Wire Strength (Bending) | - | Subject to 5N weight and 90 bend, twice. |
| Soldering Effect (Capacitance Change) | 10% max | Pre-treatment: 852 for 1 hr, recover 242 hrs at room temp. Post-treatment: Recover 242 hrs at room condition. |
| Temperature Cycling | Capacitance Change: 10% max | 5 cycles of -25 to 85. Pre/Post-treatment as specified. |
| Vibration Resistance | Capacitance Change: 10% max | 10Hz500Hz, 1.5mm amplitude, 6 hours total (X, Y, Z axes). Pre/Post-treatment as specified. |
| Solder Ability of Lead Wires | Tin-coated area > 90% | Dipped in molten solder at 2455 for 20.5 sec. |
| Collision Resistance | Capacitance Change: 10% max | Acceleration 390m/s, pulse 6ms, 4000 times. Pre/Post-treatment as specified. |
| Humidity Cycling | Capacitance Change: 10% max | 402, 953% RH for 8 hrs, room temp for 16 hrs, 5 cycles. Post-treatment: Recover 1-2 hrs at room condition. |
| Humidity (Steady State) | Capacitance Change: 10% max, Dissipation Factor: 0.2% max, Insulation Resistance: > 2500 M | 402, 953% RH for 50012 hours. Pre/Post-treatment as specified. |
| Life Test | Capacitance Change: 10% max, Dissipation Factor: 0.2% max, Insulation Resistance: > 4000 M | 150% rated voltage at 852 for 1000 hours. Pre/Post-treatment as specified. |
| Pressure Cooking | Insulation Resistance: > 1500 M, Dielectric Strength: Per Item 8 | 1212, 2 atm for 4 hours. Pre/Post-treatment as specified. |
| Packing Quantity (per bag) | 500 | Bag Type 2 |
Note on Bag Sizes:
Bag 1: 215190mm
Bag 2: 190190mm
Bag 3: 170160mm
Packing Marking Example:
Items: DGCX Company Trademark, Code, Model, Product Lots, Production Date, Quantity per bag.
Outer Packing Boxes:
Internal: A1 (360200140mm), A2 (198177138mm)
Over-wrap: B1 (460380220mm), B2 (425380170mm)
Packing quantity should be an integral multiple of one hundred or five hundred.
2505291610_DGCX-CT81Y5V2KV472M7090EB_C49002965.pdf
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