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Class X2 and Y2 are the most commonly used safety-certified capacitors. Whereas X2 and Y2 caps are appropriate for household applications, X1 and Y1 safety capacitors are used in industrial settings. Y Capacitors: Also known as "line to ground capacitors" (line bypass.) Y capacitors are used in applications where failure of the capacitor could lead to the danger of electrical shock to the user, if the ground connection is lost.

JYA Y1 and Y2 Safety Standard Recognized Capacitors Typical applications:
Line disturbances suppression, Motors and motor controls, Relays, Switching power supplies, Inverters, Line-to-line (Class X) filtering, Line-to-ground (Class Y) filtering, Antenna coupling, Primary and secondary coupling, Network and security protection, audio visual product,, Home Appliance, new energy, Industry automation, LED

jb Capacitors manufactures and markets Ceramic Capacitors, Including X1 / CD Y1 400VAC and CE Y2 300AC Safety Standard Recognized Capacitors and 1KV, 2KV, 3KV,4KV, 5KV, 6KV, 8KV, 10KV, 15KV DC High Voltage Ceramic Capacitors, Multilayer (mono) Axial & Radial Ceramic Capacitors.

JYA - X1 / Y1(CD 400VAC) and Y2(CE 300VAC) Safety Standard Recognized Capacitors
The X1 / Y class safety-certified capacitors, used in line-to-ground (line bypass) applications, have voltages from 400VAC (Y1 series)/300VAC (Y2 series) and X1 series. Major features of these non-polar capacitors include capacitance range generally from 10pF to 10000pF; from 7.5mm to10mm lead spacing, high reliability, and kinked or straight lead configurations.
jb Class X1 / Y Safety Capacitors ideal for across the line applications, compact size, cost effective product, safety standards recognized.

JYC – High Voltage Ceramic Radial Type Disc Capacitors
We designs and manufacture high quality Ultra-High Voltage Ceramic Capacitors Radial-Leaded Single Layer Disc (low loss type) Capacitors with blue coating epoxy resin, custom design radial lead disc ceramic capacitors as well as a variety of standard and custom High Voltage & High Capacitance value Ceramic Capacitors.

JYM - Multilayer (Mono) Ceramic Capacitors
Multilayer ceramic capacitors are available in a variety of physical sizes and configurations, including leaded devices and surface mounted chips. Leaded styles include molded and conformally coated parts with axial and radial leads. However, the basic capacitor element is similar for all styles. It is called a chip and consists of formulated dielectric materials which have been cast into thin layers, interspersed with metal electrodes alternately exposed on opposite edges of the laminated structure. The entire structure is fired at high temperature to produce a monolithic block which provides high capacitance values in a small physical volume. After firing, conductive terminations are applied to opposite ends of the chip to make contact with the exposed electrodes. Termination materials and methods vary depending on the intended use. Our JYM - Multilayer (Mono) Ceramic Capacitors, it can be made 25VDC and 100VDC. The leads can be bended for mounting purpose.
Above are our three kinds of Ceramic capacitors now. If you cannot find suitable products, please feel free to mail us.

We will try our best to find the substitution for you. Mail us to get more information! 

Not long ago, we’ve launched a new series of JYA - Y1(CD 400VAC) and Y2(CE 300VAC) Safety Standard Recognized Capacitors. Class-Y capacitors are safety-certified. They also are designed and used in across the line applications. These safety capacitors are also known by other names, such as AC line filter safety capacitors and EMI/RFI suppression capacitors.

It can be used in many electronic device applications including Line disturbances suppression, Motors and motor controls, Relays, Switching power supplies, Inverters, Line-to-line (Class X) filtering, Line-to-ground (Class Y) filtering, Antenna coupling, Primary and secondary coupling, Network and security protection, audio visual product,, Home Appliance, new energy, Industry automation, LED.

Main Specifications:

jb capacitors company have very competitive offer for below Ceramic capacitors.

JYA-Y1 and Y2 AC Safety Standard Recognized Capacitors

Operating Temperature   -25°C~ +85°C
Capacitance Range  10pF TO 10000pF
Capacitance Tolerance    ±10%, ±20%, +80-20%
Rated Voltage  AC 125V, 250V, 300V, 400V
Temperature Cofficient  2B(Y5P)±10%、2E(Y5U)+22%~-56%、2F(Y5V)+22%~-82%
Dissipation Factor (tan δ)     2B: 2.5% max. at 25℃ and 1 KHz, 1±0.2 Vrms.
Insulation Resistance at 20℃ 2E/2F: 2.5% max. at 25℃ and 1 KHz, 1±0.2 Vrms.
Dielectric Strength 10000MΩat 500VDC for 1 minute.
1500V AC for 60 seconds. (250V AC)
4000V AC for 60 seconds. (400V AC)

Class-X and Class-Y capacitors are safety-certified capacitors generally designed and used in AC line filtering in many electronic device applications. These safety capacitors are also known by other names. Class-X and Class-Y capacitors help to minimize the generation of EMI/RFI and the negative effects associated with received EMI/RFI.

One of safety-certified capacitors, JYA Class Y2 CE types capacitors, which are typically produced out of ceramic and paper dielectrics, are used with voltages up to 300Vac and a peak test voltage of 5 KV. JYA Y2 class certified product (basic insulation product) is a cross reference to Murata DE series.

They are designed to suppress any noise from an electronic device by reducing the input impedance of the device, and are connected between line and chassis; if they are short-circuit, they create a risk of shock to the user, but there will be no fatal electric shock hazard.

learn more about this products:http://www.jbcapacitors.com/Ceramic-Capacitors/JYA-Y1-and-Y2-AC-Safety-Standard-Recognized-Capacitors.html

Class Y capacitor is divided into Y1 capacitors and Y2 capacitors, Y1 is a double insulated Y capacitor, used to cross the one or two side of the.Y2 is a basic single insulation Y capacitor, used to cross the primary side of the earth to protect the FG line. An adjustable capacitor is used for such occasions, which is, after the capacitor failure, will not cause electric shock, and does not endanger personal safety.

JYA Y1 CD safety standard recognized capacitors, used in line to ground applications—the capacitor placed between line and ground, have voltages from 400VAC. Major features of these non-polar capacitors include capacitance range generally from 10pF to 10000pF; from 7.5mm to10mm lead spacing, high reliability, and kinked or straight lead configurations.

In general, the Y class safety-certified should be connected to a wire with large noise interference. You can use Class Y Safety Standard Capacitors in line disturbances suppression, motors, motor controls, relays, switching power supplies, Inverters with compact size, cost effective product, and safety standards recognized.
Learn more about the Ceramic Capacitors please chick the link:http://www.jbcapacitors.com/Ceramic-Capacitors.html