Littelfuse SPST Surface Mount Reed Switch

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Subtotal (1 bag of 5 units)*

£6.14

(exc. VAT)

£7.37

(inc. VAT)

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  • 825 unit(s) ready to ship
  • Plus 1,000 unit(s) shipping from 09 October 2025
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Per Bag*
5 - 5£1.228£6.14
10 - 20£1.086£5.43
25 - 45£0.98£4.90
50 +£0.926£4.63

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RS Stock No.:
905-8910
Mfr. Part No.:
MDSR-4-22-38
Brand:
Littelfuse
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Brand

Littelfuse

Contact Configuration

SPST

Contact Resistance

100mΩ

Maximum Release Time

0.2ms

Operating Time Including Bounce

0.6ms

AT Value Range

22-38AT

Dimensions

15.24 x 2.28mm

MDSR-4 Surface Mount Reed Switch, Low Power


This surface-mount reed switches can switch 200 V dc at 10 W. It has a low electrical footprint and require zero operating power to close the contacts. It is hermetically sealed and with magnetically operated contacts it is highly resilient to contamination. Even operating in conditions long after optical and other technology reed switches would have failed. It has Form A (SPST normally open) contacts.

The glass envelope measures 15.24 x 2.28 mm and this item has an AT 22-38 sensitivity rating.

Features


Surface mounting normally open switch
Capable of switching 200 V dc or 0.5 A at up to 10 W
Low, stable contact resistance
Operating temperature range: -40°C to +125°C


Littelfuse

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