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[Lifetime Warranty] 20SQ045 Schottky Barrier Rectifier Diode 20A 45V - Solar Axial Cell Diode R-6 Package for Solar Panel | Pack of 30
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$14.20
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$16.33
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20SQ045 Schottky Barrier Rectifier Diode
Key Features
- Part Number: 20SQ045
- Technology: Schottky Barrier Rectifier
- Forward Current (Io): 20A
- Maximum Repetitive Peak Reverse Voltage (Vr): 45V
- Low Forward Voltage Drop (Vf): 0.55V @ 20A
- Package: R-6 Axial
- Mounting Type: Through Hole
- Characteristics: Low power loss, high efficiency, low leakage current
- Compliance: Lead-Free / RoHS Compliant
Replaces / Cross-Reference Part Numbers
- Direct replacement for diodes marked 20SQ045.
- May substitute for other Schottky diodes with equivalent electrical specifications (20A, 45V) and physical package (R-6 Axial). Verify circuit requirements before substitution.
Compatibility & Fitment
- Designed for low-voltage, high-frequency inverters, free-wheeling diodes, and polarity protection applications.
- Commonly used as a blocking or bypass diode in solar panel junction boxes and DC power systems.
- The R-6 axial package is intended for through-hole mounting on a printed circuit board (PCB) or for point-to-point wiring.
When to Replace
- Component tests as a short circuit, allowing current to flow in both directions.
- Component tests as an open circuit, blocking current flow in the forward direction.
- Associated fuse or circuit protection device repeatedly fails.
- Noticeable decrease in circuit voltage output or efficiency.
- Visible signs of overheating, such as discoloration or damage to the component body.
Installation Tips
- Observe polarity. The stripe on the diode's body indicates the cathode (negative) lead. Incorrect installation will cause circuit failure.
- When soldering, use a heat sink on the lead between the component body and the solder joint to prevent heat damage.
- Avoid bending leads too close to the diode body to prevent stress on the internal seal.
- Ensure sufficient clearance and airflow around the component for heat dissipation, especially in applications approaching the 20A current rating.
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Perfect fit
Universal fit with any brand with DC to DC converters, PV systems, solar panels, circuit boards of electronic devices, and more -
Premium quality
This product adopts a high-quality metal that provides stable and durable performance -
Saving solution
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Simple installation
Because the Schottky diode is a relatively simple part, the installation just takes a few minutes and will save you at least a hundred bucks in labor
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