| Test items |
Testing method |
Performance requirements |
| Rapid changes in temperature |
Lower category temperature - room temperature - upper category temperature - room temperature, 5 cycles each limit temperature is kept 30min |
ΔR≤ ± (1% R + 0.05Ω) |
| Climatic sequence |
Dry heat - Damp heat, cyclic - cold - Low pressure - cycle heat - DC load DC voltage is applied Length 1min |
ΔR≤ ± (5% R + 0.1Ω) |
| Terminal Strength |
Rally test |
ΔR≤ ± (1% R + 0.05Ω) |
| Resistance to soldering heat |
Groove welding method, the bath temperature: 350 ± 10 ℃ time: 3.5 ± 0.5s Immersion depth: 2 ± 0.5mm |
ΔR≤ ± (1% R + 0.05Ω) |
| Overload |
Applying a 2.5 or 2 times the rated power load 5s |
ΔR≤ ± (1% R + 0.05Ω) |
| Steady heat |
Applying a DC voltage (limit voltage of the rated voltage or elements) Length 1min |
ΔR≤ ± (5% R + 0.1Ω) |
| Upper category temperature durability |
Resistor on the upper category temperature specified duration 1000h |
ΔR≤ ± (5% R + 0.1Ω) |
To ensure the safety of your goods, we provide professional, environmentally friendly, convenient and efficient packaging services.
Sichuan Qixing Electronics Co., Ltd. specializes in manufacturing high-power resistors, wire-wound potentiometers, trimmer potentiometers, rotary carbon potentiometers, and precision parts. With years of experience in both civil and military industrial products, we strictly enforce ISO9001 and ISO2000 quality control systems.
Our products are widely used in electronic communication products, instrument measuring appliances, cable TV equipment, electrician products, and audio/video products. We maintain our industry leadership through continuous product development and by operating advanced ceramic resistance element production lines with high temperature polymerization furnaces imported from the USA.
With 500 employees including 56 professionals (35 with over 10 years' experience), we provide comprehensive services including product design, OEM solutions, and excellent after-sales support. Our quality policy is "Technical innovation, striving for perfection, keeping on improving, continuously satisfying customers."
Who are we?
We are based in Sichuan, China, established in 2005. Our primary markets include Domestic Market (70%), Western Europe (8%), North America (5%), and other global regions. Our company employs 51-100 professionals.
What can you buy from us?
Our product range includes potentiometers, resistors, EMI filters, knobs, and switches.
What services can we provide?
We accept various delivery terms (FOB, CFR, CIF, EXW, FCA) and payment methods (T/T, L/C, MoneyGram, Western Union, Cash). Our team communicates in both English and Chinese.
Το μήνυμά σας πρέπει να αποτελείται από 20-3.000 χαρακτήρες!
