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SDS-C100 flap door soft-down stay is a Sugatsune America down stay designed for downward opening lids, so the lid motion is controlled as it swings open. This soft-down function provides soft open once the opening motion is initiated, which helps manage lid movement on flap doors and similar downward opening applications. The SDS-C100 flap door soft-down stay is a short arm type designed for small door applications, so it suits compact flap doors where space around the hinge side is tight. As a single down stay, it can accommodate 10.4 lbs. per square inch torque, tying lid size and weight directly to practical load capacity during opening. The stay is specified for torque of 30-43 lbs per inch, so torque can be matched to lid geometry within this working range. The black finish supports projects where a dark stay is preferred for visual consistency around the opening.
This Sugatsune America SDS-C100/BLK short arm stay allows a downward opening lid to open to 90 degrees, so the door can reach a right-angle open position relative to the cabinet face. That 90-degree opening angle sets a predictable stop point for the motion, which helps align door travel with nearby counters, panels, or clearances. Because the stay is non-handed, either side of a small flap door can be used in the layout without changing the part, simplifying planning across mirrored cabinet runs. The rated torque of 30-43 lbs per inch, combined with the 10.4 lbs per square inch single down stay capacity, ties lid design directly to the stay rating so flap door height and weight can be matched to the working range.
This short arm type stay is designed for small door applications, so it suits compact flap doors on cabinets, work surfaces, and similar casework where the panel opens downward. The configuration for downward opening lids means the mechanism is tuned for a door that pivots out and down from the upper edge, which is common on overhead cabinets with lower-hinged fronts. Because the single down stay can accommodate 10.4 lbs per square inch torque, projects using modest-size fronts within that torque load can rely on the stated capacity when planning door dimensions. The 90-degree opening capability lets the flap door reach a horizontal or near-horizontal position, which can be important where the opened door needs to clear adjacent hardware or align with nearby surfaces.
The specified torque rating of 30-43 lbs per inch defines the range where the SDS-C100/BLK delivers its soft-down performance, so designers can calculate lid height times lid weight times 1/2 and align that value to the stay. Because the single stay capacity is listed as 10.4 lbs per square inch torque, the relationship between lid geometry and the stay rating is clear, which supports predictable performance as the door opens. The soft open action is triggered once opening motion is initiated, so the stay responds after the user starts lifting the flap, providing a controlled downward movement instead of a free fall. The 90-degree opening limit also keeps the travel predictable, which helps reduce unexpected over-travel on small doors in tight installations. With the unit being non-handed, a single part number SDS-C100/BLK serves both left and right mounting locations, which simplifies ordering and layout across multiple cabinets using this style of front.
The SDS-C100 flap door soft-down stay is designed for downward opening lids on small door applications, so it suits flap-style fronts that pivot down from the top edge.
The SDS-C100/BLK allows the door to open to 90 degrees, so the flap can reach a right-angle open position relative to the cabinet front.
The torque rating of 30-43 lbs per inch defines the operating range where the stay provides its soft-down action based on the combination of lid height and weight.
For the SDS-C100 flap door soft-down stay, the stated note defines torque rating as lid height times lid weight times 1/2, tying geometry directly to the spec range.
The SDS-C100/BLK is a short arm type designed for small door applications, so it is specified for compact flap doors rather than large, heavy panels.
The down stay is non-handed, so the same SDS-C100 flap door soft-down stay can be used on either the left or right side of the downward opening lid.
The Sugatsune America SDS-C100/BLK flap door soft-down stay combines downward opening lid design, 90-degree opening travel, and soft open action triggered after motion starts, so small flap doors move in a controlled way. Its short arm layout supports compact door applications, while the 30-43 lbs per inch torque range and 10.4 lbs per square inch single stay capacity connect lid sizing directly to the rating. For projects needing a black, non-handed down stay that supports calculated torque on smaller flap fronts, this SDS-C100 flap door soft-down stay provides a defined operating window that can be matched to lid dimensions.
