Seller:homestore758✉️(3,485)99.4%,
Location:Hong Kong, CN,
Ships to: WORLDWIDE,
Item:296073714323Key Button Membrane Switch Expansion Keyboard 1x4 1x5 4x4 4x5 Keys Control Panel.
Key Button Membrane Switch Expansion Keyboard 1x4 1x5 4x4 4x5 Keys Control Panel
(1) Electrical properties 1. Working voltage: ≤ 50VDC 2. Working current: ≤ 100mA 3. Contact resistance: 0.5 ~ 10 Ω 4. Insulation resistance: ≥ 100m Ω (100VDC) 5. Substrate withstand voltage: 2kdvc 6. Rebound time: ≤ 6ms 7. Loop resistance: 50 Ω, 150 Ω, 350 Ω, or as required by the user 8. Insulation ink withstand voltage: 100VDC (2) Mechanical properties 1. Reliability service life: > 1 million times 2. Closing displacement: 0.1-0.4mm (non tactile type) 0.4-1.0mm 3. Standard working force: 15-750g 4. Silver slurry migration: 10M Ω / 50VDC between the two lines after 56 hours at 55 ℃, 90% temperature 5. There is no oxidation and impurity on the silver paste line 6. Silver paste line width ≥ 0.3mm, minimum interval 0.3mm, line burr < 1 / 3, line gap < 1 / 4 line width 7. Pin spacing standard 2.54 2.50 1.27 1.25mm 8. The curvature resistance of outgoing line is continuously rolled 80 times with d = 10 mm steel bar. Model Number: Membrane Switch Keypad Package Include: 1 x Membrane Switch Keypad