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MARR-5 Features and Benefits
Features
? Miniature normally open switch
with 19.69mm x 2.66mm (0.775”
x 0.105”) glass envelope
? Capable of switching 1000Vdc at
up to 1mA
? Minimum voltage breakdown
2000 Vdc
? 10 12 Ohms insulation resistance
? Available sensitivity range 17-38 AT
DIMENSIONS (in) mm
Switch Type
Contact Form
Underwriters Laboratories Recognised, File E47258 (see note 1)
ELECTRICAL RATINGS
Benefits
? Hermetically sealed switch
contacts are not effected by and
have no effect on their external
environment
? Low, stable contact resistance
? Zero operating power required
for contact closure
? Fit and forget durability
Applications
? Reed relays (particularly suitable
for high voltage breakdown
applications)
? Security
? Limit switching
? Telecoms line switching
? Office equipment
? Automotive applications
MARR-5
A
Contact Rating (2)
Watt - max.
10
Voltage
Current
Resistance
Capacitance
Temperature
Switching (6)
Breakdown
Switching
Carry
Contact, Initial
Insulation
Contact
Operating
Storage (7)
Vdc - max.
Vdc - min.
A - max.
A - max.
? - max.
? - min.
pF - typ.
°C
°C
1000
2000
0.5
1.3
0.100
10 12
0.2
-75 to +125
-75 to +125
OPERATING CHARACTERISTICS
Operate Time (3)
Release Time (3)
ms - max.
ms - max.
0.75
0.3
Shock
Vibration
Resonant Frequency
11ms 1 ? 2 sine wave
50-2000 Hertz
G - max.
G - max.
Hz - typ.
100
30
3200
MAGNETIC CHARACTERISTICS
Pull-In Range (4)
Rating Sensitivity (5)
Test Coil
Ampere Turns
Ampere Turns
17-38
35
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) MARR-5 Switching current is limited to 1ma at 1000 Vdc. Higher voltages and currents can
be switched using correct suppression circuitry (consult Hamlin).
7) 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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