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MDRR-DT Features and Benefits
Features
Benefits
Applications
? Miniature changeover switch
with 14.73mm x 2.54mm (0.580”
x 0.100”) glass envelope
? Capable of switching 175Vdc at
up to 5 Watts
? Minimum voltage breakdown 200
Vdc
? 10 9 Ohms insulation resistance
? Available sensitivity range 15-30 AT
? Hermetically sealed switch contacts
are not effected by and have no effect
on their external environment
? Can be used as changeover or
normally closed contact
? Low, stable contact resistance
? Low space requirement
? Zero operating power required for
contact closure
?
?
?
?
?
Reed relays
Limit switching
Telecoms applications
Office equipment
Automotive applications
? Fit and forget durability
DIMENSIONS (in) mm
Switch Type
Contact Form
Underwriters Laboratories Recognised, File E47258 (see note 1)
ELECTRICAL RATINGS
MDRR-DT
C
Contact Rating (2)
Watt - max.
5
Voltage
Current
Resistance
Capacitance
Temperature
Switching
Breakdown
Switching
Carry
Contact, Initial
Insulation
Contact
Operating
Storage (6)
Vdc - max.
Vdc - min.
A - max.
A - max.
? - max.
? - min.
pF - typ.
°C
°C
175
200
0.25
1.5
0.100
10 9
1.0
-40 to +125
-65 to +125
OPERATING CHARACTERISTICS
Operate Time (3)
Release Time (3)
ms - max.
ms - max.
0.7
1.0
Shock
Vibration
Resonant Frequency
11ms 1 ? 2 sine wave
50-2000 Hertz
G - max.
G - max.
Hz - typ.
50
30
11000
MAGNETIC CHARACTERISTICS
Pull-In Range (4)
Rating Sensitivity (5)
Test Coil
Ampere Turns
Ampere Turns
15-30
20
L4989
Notes
1)
2)
3)
For details on electrical specifications, contact Hamlin.
Contact rating-Product of the switching voltage and current should never exceed the
wattage rating.
Contact Hamlin for additional load/life information.
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.
Hamlin USA
Hamlin UK
Hamlin Germany
Hamectrol France
Tel:
Tel:
Tel:
Tel:
+1 920 648 3000 ? Fax: +1 920 648 3001 ? Email: sales.us@hamlin.com
+44 (0)1379 649700 ? Fax: +44 (0)1379 649702 ? Email: sales.uk@hamlin.com
+49 (0) 6142 923920 ? Fax: +49 (0) 6142 923921 ? Email: sales.de@hamlin.com
+33 (0) 1 6047 3000 ? Fax: +33 (0) 1 6015 9136 ? Email: sales.fr@hamlin.com
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 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.
ISSUE No: 4 DATE: 1/5/3
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