Hamlin MDRR-DT Miniature Reed Switch 1 changeover 0.25 A 175 Vdc 5 W MDRR-DT Data Sheet
Product codes
MDRR-DT
INFORMATION PROVIDED ON THIS DATA SHEET IS PROVIDED FOR INFORMATION PURPOSES ONLY AND SHOULD NOT BE RELIED UPON AS BEING ACCURATE FOR ANY
PARTICULAR PURPOSE. Product performance may be affected by the application to which the product is
PARTICULAR PURPOSE. Product performance may be affected by the application to which the product is
applied. Upon request, HAMLIN will assist purchasers by providing information
specific to any particular application. HAMLIN disclaims any and all liability whatsoever for any purchaser’s reliance upon the information contained on this data sheet without further
consultation with authorised representatives of HAMLIN.
consultation with authorised representatives of HAMLIN.
MDRR-DT Features and Benefits
DIMENSIONS (in) mm
Notes
1) For details on electrical specifications, contact Hamlin.
2) Contact rating-Product of the switching voltage and current should never exceed the
wattage rating.
Contact Hamlin for additional load/life information.
Contact Hamlin for additional load/life information.
3) Operate (inc. bounce) /Release Time-per EIA/NARM RS421A, diode suppressed coil.
4) Pull in Range-Contact Hamlin for tolerances available within this range.
5) Rating Sensitivity-The value at which contact ratings and operating characteristics are
determined. Derating may be required below this value.
6) Storage Temperature-Long time exposure at elevated temperature may degrade
solderability of the leads.
Features
•
Miniature changeover switch
with 14.73mm x 2.54mm (0.580”
x 0.100”) glass envelope
with 14.73mm x 2.54mm (0.580”
x 0.100”) glass envelope
•
Capable of switching 175Vdc at
up to 5 Watts
up to 5 Watts
•
Minimum voltage breakdown 200
Vdc
Vdc
•
10
9
Ohms insulation resistance
•
Available sensitivity range 15-30 AT
Benefits
•
Hermetically sealed switch contacts
are not effected by and have no effect
on their external environment
are not effected by and have no effect
on their external environment
•
Can be used as changeover or
normally closed contact
normally closed contact
•
Low, stable contact resistance
•
Low space requirement
•
Zero operating power required for
contact closure
contact closure
•
Fit and forget durability
Applications
•
Reed relays
•
Limit switching
•
Telecoms applications
•
Office equipment
•
Automotive applications
Hamlin USA
Tel: +1 920 648 3000
•
Fax: +1 920 648 3001
•
Email: sales.us@hamlin.com
Hamlin UK
Tel: +44 (0)1379 649700
•
Fax: +44 (0)1379 649702
•
Email: sales.uk@hamlin.com
Hamlin Germany Tel: +49 (0)
6142 923920
•
Fax: +49 (0)
6142 923921
•
Email: sales.de@hamlin.com
Hamectrol France Tel: +33 (0) 1
6047 3000
•
Fax: +33 (0) 1
6015 9136
•
Email: sales.fr@hamlin.com
Switch Type
MDRR-DT
Contact Form
C
Underwriters Laboratories Recognised, File E47258 (see note 1)
ELECTRICAL RATINGS
Contact Rating (2)
Watt - max.
5
Voltage
Switching
Vdc - max.
175
Breakdown
Vdc - min.
200
Current
Switching
A - max.
0.25
Carry
A - max.
1.5
Resistance
Contact, Initial
Ω - max.
0.100
Insulation
Ω - min.
10
9
Capacitance
Contact
pF - typ.
1.0
Temperature
Operating
°C
-40 to +125
Storage (6)
°C
-65 to +125
OPERATING CHARACTERISTICS
Operate Time (3)
ms - max.
0.7
Release Time (3)
ms - max.
1.0
Shock
11ms
1
⁄
2
sine wave
G - max.
50
Vibration
50-2000 Hertz
G - max.
30
Resonant Frequency
Hz - typ.
11000
MAGNETIC CHARACTERISTICS
Pull-In Range (4)
Ampere Turns
15-30
Rating Sensitivity (5)
Ampere Turns
20
Test Coil
L4989
www.hamlin.com
ISSUE No: 4 DATE: 1/5/3