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Miniature reed switches are plated with Ruthenium for high durability at low level loads. They are classified by glass diameter and length, and each of them are highly configurable with respect to the switching distance differential. For environmental reasons, the leads are plated with pure Tin, which is Lead free.
These miniature reed switches are built with flattened leads which are oriented to the contact inside. This way, when a batch of reed switches are used for an application and oriented one way, they all perform very similarly. Another added advantage is that when these reed switches are SMD formed, there is no need for any undue pressure to flatten the leads, which could in turn transfer shock to the tiny glass seals.
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Reed Switch Type
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Glass Diameter (mm)
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Glass Length (mm) max.
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Overall Length (mm)
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Contact Rating (W) max.
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Switching Current (A) max.
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UM-0018
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1.80
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5.0 - 7.0
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35.7
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5.0
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0.5
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MM-1018
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1.80
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10.0
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35.7
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10.0
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0.5
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RM-1318
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1.80
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13.5
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47.5
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10.0
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0.5
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SM-1322
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2.25
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13.8
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41.0
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10.0
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0.5
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MO-1422
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2.25
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14.0
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54.0
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15.0
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0.5
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MC-1425
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2.54
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14.0
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47.5
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10.0
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0.5
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These highly sensitive, form A reed switches are designed for low power, high speed switching applications, where there is a size restriction. The 5 mm glass version is built for use in very compact applications, and the 7 mm glass version is built for...
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This 10mm long form A reed switch is designed for low power, high speed switching applications, and has a cost advantage over the UM-0018 Ultra-miniature series. The flattened lead outs are useful for orienting the internal blades to face one way...
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This reed switch is designed for applications where a size restriction is present, but higher load switching and current carrying capability is required. The blades have a good flexibility, for fast operation and good contact force, and can carry up to 1.5 A...
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This form A reed switch is built with a 2.25 mm diameter glass with a higher wall thickness for better glass to metal seals, and is a good solution for general purpose, high volume applications with a little shock and vibration, such as toys...
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This off centre contact form A reed switch is designed for magnet applications. Measurements are always taken with the contact overlap portion centred to the length of the test coil, with the width of all blades in a batch of switches, facing one way...
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This form A reed switch is built with specially pressed blades with slightly higher rigidity for close differential, low hysteresis applications where an operate and release is required with minimum magnet travel or...
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