JYH HSU Electronics Ltd

JYH HSU Electronics Ltd One of largest manufacturers in China in terms of yearly safety capacitor (X2, Y1, Y2) production.

🔖 How to Detect Leakage in Safety Y Capacitors?Y safety capacitors play a critical role in EMI suppression and electrica...
01/06/2026

🔖 How to Detect Leakage in Safety Y Capacitors?

Y safety capacitors play a critical role in EMI suppression and electrical safety.

If leakage current exceeds the specified range, it may affect product reliability and safety compliance.

Common methods for detecting leakage in Y capacitors include:

💡 Static Voltage Testing

By applying DC voltage and monitoring the discharge curve, engineers can evaluate insulation stability and leakage performance.

💡 AC Resistance Measurement

An AC signal is applied across the capacitor while measuring resistance values. Abnormal readings may indicate leakage issues.

💡 Safety Compliance Testing

Professional safety test equipment can measure:

🔹 Leakage current

🔹Insulation resistance

🔹Safety compliance performance

It's important to note that Y capacitors normally have a small allowable leakage current. However, if the leakage exceeds specification limits, the capacitor should be replaced immediately.

At JYH HSU (Dongguan Zhixu Electronics), we provide reliable safety capacitor solutions designed for stable performance, safety compliance, and long-term reliability.

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🔖 What's the Difference Between MPX and MKP in X2 Safety Capacitors?Many X2 safety capacitors on the market are marked a...
29/05/2026

🔖 What's the Difference Between MPX and MKP in X2 Safety Capacitors?

Many X2 safety capacitors on the market are marked as either MPX or MKP. So what's the difference?

In fact, both MPX and MKP are commonly used names for metallized polypropylene film capacitors used in X2 safety applications.

They share the same core advantages:

✔️ High voltage resistance

✔️Excellent insulation performance

✔️Low parasitic inductance

✔️Strong self-healing capability

✔️Reliable EMI suppression performance

These capacitors are widely used in:

🔹 Power supplies

🔹 Home appliances

🔹 LED drivers

🔹 Industrial electronics

🔹 EMI filtering circuits

The difference between MPX and MKP is mainly naming convention — different manufacturers may use different product series names, but the material and application are generally the same.

Choosing certified and reliable X2 safety capacitors is essential for product safety, EMI compliance, and long-term reliability.

At JYH HSU (Dongguan Zhixu Electronics), we provide reliable X2 safety capacitor solutions for power and electronic applications.

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🔖 Case Study: Helping a 240W GaN Charger Customer Pass Global Safety CertificationsA customer developing a PD3.1 240W Ga...
28/05/2026

🔖 Case Study: Helping a 240W GaN Charger Customer Pass Global Safety Certifications

A customer developing a PD3.1 240W GaN fast charger encountered a critical issue during safety certification testing.

During long-term full-load operation, the original X capacitor solution experienced aging failure, causing EMI performance degradation and repeated certification test failures.

This created major challenges for:

🔹 CCC certification

🔹CE compliance

🔹FCC EMI testing

💡 Our Solution

At JYH HSU (Dongguan Zhixu Electronics), we provided a high-reliability X2 safety capacitor solution featuring:

✔️ 350VAC high voltage rating

✔️ UL94 V-0 flame-retardant grade

✔️ Excellent long-term stability under high-load conditions

✔️ Reliable EMI suppression performance

After replacing the original solution with our X2 capacitor, the customer successfully passed CCC, CE, FCC, and other international safety certifications in a single attempt.

Result

✅ Improved EMI stability

✅Enhanced long-term reliability

✅Reduced certification risk and development delays

✅Faster product launch for the customer

As high-power GaN fast chargers continue evolving, reliable safety capacitors are becoming increasingly critical for both EMI performance and global compliance.

Looking for a reliable capacitor and resistor supplier? Contact:

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🔖 What Does a Film Capacitor Have To Do With a Single-Phase Motor?Single-phase motors are widely used in:🔹 Home applianc...
26/05/2026

🔖 What Does a Film Capacitor Have To Do With a Single-Phase Motor?

Single-phase motors are widely used in:

🔹 Home appliances

🔹 Fans and pumps

🔹 Industrial equipment

🔹 Small motor-driven systems

However, unlike three-phase motors, single-phase motors cannot start by themselves. This is where film capacitors play a critical role.

In single-phase motors, film capacitors are commonly used as starting or running capacitors to:

✔️ Create phase shift for generating a rotating magnetic field

✔️ Increase starting torque under load conditions

✔️Improve motor efficiency and stability

✔️ Reduce starting current and heat generation

✔️Protect the motor during operation

Thanks to their high reliability, low loss, and excellent electrical performance, film capacitors have become an essential component in motor applications.

At JYH HSU (Dongguan Zhixu Electronics), we provide reliable film capacitor solutions for motor systems, power electronics, home appliances, and industrial applications.

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🔖 Why Are Film Capacitors Important in UPS & Switching Power Supplies?Film capacitors are widely valued for their:✔️ Hig...
25/05/2026

🔖 Why Are Film Capacitors Important in UPS & Switching Power Supplies?

Film capacitors are widely valued for their:

✔️ High insulation resistance

✔️ Low dielectric loss

✔️ Excellent frequency performance

✔️ High reliability and long service life

Because of these advantages, film capacitors are widely used in:

🔹 UPS systems

🔹 Switching power supplies (SMPS)

🔹 Industrial electronics

🔹 Renewable energy systems

🔹 EV and power applications

In UPS systems, film capacitors help maintain stable power delivery and protect equipment from voltage spikes, undervoltage, and power interruptions.

In switching power supplies, high-frequency switching can generate electromagnetic noise. Film capacitors play a key role in EMI suppression, filtering, and improving overall power stability.

As modern power systems demand higher efficiency and reliability, choosing high-quality film capacitors becomes increasingly important.

At JYH HSU (Dongguan Zhixu Electronics), we provide reliable film capacitor for power electronics, industrial applications, and energy systems.

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🔖 Bigger varistor voltage ratings do not always mean better protection.Many electronic devices, from smartphones to home...
22/05/2026

🔖 Bigger varistor voltage ratings do not always mean better protection.

Many electronic devices, from smartphones to home appliances, face the risk of high-voltage surge damage caused by lightning or power fluctuations.

That's why varistors are widely used for:

✔️ Surge protection

✔️Overvoltage suppression

✔️Circuit safety

However, selecting the wrong varistor voltage can reduce protection effectiveness.

❗ If the voltage rating is too high, the varistor may respond too slowly and fail to protect downstream circuits in time.

❗If the voltage rating is too low, the varistor may operate too frequently, leading to faster aging or even failure.

The key is choosing the right voltage rating based on the actual circuit working voltage.

At, JYH HSU (Dongguan Zhixu Electronics), we help customers select reliable protection components for stable and safer electronic designs. If you're looking for reliable varistors and technical support, contact:

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

💡 Case Study: Resistance Drift Caused by Surge CurrentA customer encountered a serious issue during product testing: the...
21/05/2026

💡 Case Study: Resistance Drift Caused by Surge Current

A customer encountered a serious issue during product testing: the actual resistance value increased far beyond the nominal specification.

After removing the protective coating, the root cause became clear — the resistor element beneath the laser trimming line had been damaged by instantaneous surge current exceeding the resistor's tolerance limit.

This led to:

❗ Resistance drift

❗Failed reliability testing

❗Reduced product stability

💪 Our Solution

At JYH HSU (Dongguan Zhixu Electronics), we focused on improving surge withstand capability.

We recommended anti-surge high-precision resistors in 0805 and 1206 packages featuring:

✔️ High-purity ceramic substrates

✔️High-precision laser trimming

✔️Enhanced surge current resistance

✔️Improved long-term stability

In addition, our reliability verification team conducted surge simulation testing based on the customer's real application conditions to identify potential risks in advance.

The Result

After replacing the original components with our anti-surge resistor solution:

✅ Resistance abnormalities were significantly reduced

✅Reliability testing was successfully passed

✅Product stability improved substantially

In power and industrial electronics, surge current is often an invisible threat. Choosing the right resistor can make a major difference in long-term reliability.

Looking for reliable resistor supplier? Contact:

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

🔗 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

From smartphones to smartwatches, TVs, laptops, and wearable devices — ceramic capacitors are everywhere in modern elect...
20/05/2026

From smartphones to smartwatches, TVs, laptops, and wearable devices — ceramic capacitors are everywhere in modern electronics.

Thanks to their:

✔️ Small size

✔️High capacitance

✔️ Low loss

✔️ Excellent frequency performance

✔️ High reliability

Ceramic capacitors play a critical role in filtering, coupling, bypassing, and stabilizing electronic circuits.

They are widely used in:

🔹 Consumer electronics

🔹 Home appliances

🔹 Wearable devices

🔹 Automotive electronics

🔹 Industrial equipment

As electronic products become smaller, smarter, and more powerful, demand for compact and reliable capacitor solutions continues to grow.

At JYH HSU (Dongguan Zhixu Electronics), we provide reliable ceramic capacitor solutions for a wide range of electronic applications.

If you are looking for a reliable capacitor and resistor supplier, welcome to visit our factory and explore cooperation opportunities with us.

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🎗️ Janpanese Customer Visit RecapLast week, we were honored to welcome representatives from JUPA Co., Ltd., a Japanese t...
19/05/2026

🎗️ Janpanese Customer Visit Recap

Last week, we were honored to welcome representatives from JUPA Co., Ltd., a Japanese trading company specializing in thermal management, noise suppression, and ESD solutions for industrial electronics, to visit our MLCC production facilities.

During the visit, the team reviewed our:

❇️ Manufacturing processes

❇️ Quality management systems (ISO 9001, RoHS, REACH)

❇️ SMT production capabilities

❇️ High-voltage and automotive-grade MLCC product lines

We're pleased to receive positive feedback on both our production standards and technical capabilities.

The visit also marked an important step toward trial orders and deeper future cooperation.

In addition, JUPA shared valuable insights about the Japanese electronics market and encouraged us to participate in upcoming electronics exhibitions in Japan to further expand collaboration opportunities.

We look forward to strengthening our partnership and supporting customers in the Japanese market with reliable component solutions.

If you are also looking for a reliable capacitor and resistor supplier, you are always welcome to visit our factory and explore cooperation opportunities with us.

☎️Contacts:

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

🔖 How Safety Capacitors Protect Rice CookersModern rice cookers rely on more than just heating technology — stable and s...
18/05/2026

🔖 How Safety Capacitors Protect Rice Cookers

Modern rice cookers rely on more than just heating technology — stable and safe operation depends on reliable electronic components, including safety capacitors.

In household appliances, X/Y safety capacitors play several important roles:

✔️ Protecting users from electrical shock risks

✔️Suppressing EMI and electrical noise

✔️Improving circuit stability and reliability

✔️Filtering power supply interference for smoother operation

Without proper filtering and protection, electrical noise can interfere with control circuits and affect appliance performance.

At JYH HSU (Dongguan Zhixu Electronics), we provide reliable safety capacitor solutions designed for household appliances, power supplies, LED drivers, and industrial electronics.

Reliable components help build safer and more stable products.

☎️ Contacts:

👁️‍🗨️ WhatsApp: Jeccisa +8613802381803

📧 Email: [email protected]

📱 WeChat: JECcapacitor

🔗 Website: www.jeccapacitor.com

Address

Dongguan Zhixu Electronic Beside Lvchong Bridge, Caibai Village, Daojiao Town, Dongguan City
Dongguan

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