SP-NO Surface Mount Reed Switch,

  • RS Stock No. 905-8910
  • Mfr. Part No. MDSR-4-22-38
  • Brand Hamlin
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

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.


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


Attribute Value
Contact Configuration SP-NO
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
655 In stock for delivery within 1 working days
Price Each (In a Bag of 5)
kr 8,494
(exc. VAT)
kr 10,618
(inc. VAT)
Per unit
Per Bag*
5 - 5
kr 8,494
kr 42,47
10 - 20
kr 8,056
kr 40,28
25 - 45
kr 7,656
kr 38,28
50 +
kr 7,258
kr 36,29
*price indicative