Littelfuse SPST Surface Mount Reed Switch
- RS Stock No.:
- 905-8910
- Mfr. Part No.:
- MDSR-4-22-38
- Brand:
- Littelfuse
Bulk discount available
Subtotal (1 bag of 5 units)*
£6.14
(exc. VAT)
£7.37
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 735 unit(s) ready to ship
- Plus 1,000 unit(s) shipping from 21 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | 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 |
*price indicative
- RS Stock No.:
- 905-8910
- Mfr. Part No.:
- MDSR-4-22-38
- Brand:
- Littelfuse
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| 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 | |
Select all | ||
|---|---|---|
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.
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
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