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Description
20SQ045 Schottky Barrier Rectifier Diode 20A 45V - Solar Axial Cell Diode R-6 Package for Solar Panel - 3 Pack20SQ045 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
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Elegant, Lightweight & Eye-Catching
Color: Green, Size: 3 clover, Color: Green, Size: 3 clover
These are really nice earrings—long and elegant without feeling heavy at all. They’re super lightweight, so they’re comfortable to wear all day.
The design is eye-catching and adds a nice statement without being too much. The green detail is pretty and gives them a unique look.
They hang nicely and move just enough to catch the light.
Great quality, stylish, and easy to wear.
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Reviewed in the United States on March 25, 2026
★★★★★ 4
Probably not real malachite
Color: Green, Size: 2 clover, Color: Green, Size: 2 clover
These have a malachite-look insert in the bottom dangle piece. I'm pretty sure it's not real malachite though - probably a plastic piece or such. I only marked it down one star though because it still looks very nice (and it doesn't claim to be real anywhere). From more than an couple inches away it looks fine though. I say this because the green part in mine is identical between the two, has a plasticy sheen to it (no variation like real stone), and the back is white (not green).
It's a sparkly set of earrings though and the green is a nice touch, so I can definitely recommend for casual wear.
Just know it's probably not real - but that can be your secret.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Worth it!
Color: Blue
A little smaller than expected but super cute, loved it!!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Lovely bracelet
Color: Green, Color: Green
This bracelet exceeded my expectations! The pictures truly don’t do it justice—the quality and overall look are even more stunning in person. The cubic zirconia stones are incredibly sparkly and catch the light beautifully. It’s well-made and feels like a high-quality piece of jewelry. I love that it’s not bulky at all, and the two-strand design adds such a cute, elegant touch. It would make a perfect gift for someone special (or yourself!). You definitely won’t be disappointed!
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Nicely made, lightweight and very pretty
When I ordered this bracelet I didn't realize that it was a double strand design. It is lightweight and comfortable on my wrist and the two strands of different designs add visual interest to the jewelry. It is helpful that the bracelet has adjustable length so that it can be used on small or larger wrists. My picture shows the length as 9", so there is plenty of room to expand or decrease according to how you like it to fit. Another of my pictures shows that the back side of the clover is solid and smooth-- nothing scratchy against your wrist. I feel this bracelet is a good value for the money and would make nice gift.
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Reviewed in the United States on March 23, 2026