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ProductsOur products cover axial diodes, surface mount bridge rectifiers, photovoltaic modules, etc., and are widely used in fields such as power electronics, aerospace, and industrial automation.
Photovoltaic Diodes
A Photovoltaic Bypass Diode is a critical semiconductor component integrated into solar panels to prevent power loss and physical damage caused by partial shading, debris, or cell failures. It acts as an "electrical safety valve," redirecting current around compromised sections to maintain system stability and efficiency.
Core Functions & Working Principle:
1. Hot-Spot Prevention:
When a solar cell is shaded (e.g., by leaves, dust, or structural obstructions), it stops generating current and becomes a high-resistance load. This forces other cells to dissipate excess energy as heat, creating destructive "hot spots." The bypass diode provides a low-resistance parallel path, allowing current to skip the shaded celland avoid overheating.
2. Reverse Current Blocking:
In healthy cells, the diode remains reverse-biased(high impedance), minimizing interference with normal operation. Only when a cell's output voltage drops below the diode’s forward threshold (typically 0.7V) does it activate.
3. Voltage-Clamping Action:
A shaded cell can develop negative voltage. The diode clamps this reverse voltage to safe levels (typically <1V), protecting cell integrity.
Part Number
Package
VRM_Max(V)
Io_Max(A)
IFSM_Max(A)
Rated lo(A)
VF_Max(V)
IR@25℃IR(μA)
IR@125℃IR(μA)
RθJC(℃/W)
Tj (℃)
Nantong JUXIN Semiconductor Co., Ltd.
Contact: Mr.Jacky
Address: No.196, East Qingyu Road, Rucheng Street, Rugao-226500, Jiangsu Province, China.
Phone(Wechat): +86-15190885420
Email: info@rectifier-diode.com
Anhui JUXIN Semiconductor Co., Ltd.
Address: No.99,Shuanglong Road,Chizhou Economic Technology Development Zone,Anhui Province,China.
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