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ISO
9001
CERTIFIED
D- SeriesHR
High Insulation Resistance, High Voltage Relays -10kV & 15kV
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset 21 7BH PE
D-HR 2016
Telephone +44 (0) 1202 897969
Email:sales@cynergy3.com
Very high isolation voltages - up to 15kV -
are achieved through the use of high
vacuum reed switches with either rhodium
or tungsten contacts which make these
relays suitable for high reliability
applications, such as cardiac
defibrillators, test equipment and high
voltage power supplies.
The rhodium contact relays have low
contact resistance, while the tungsten
contact relays can switch higher voltages.
1x10 Ohms Minimum Insulation Resistance
14
10kV or 15kV Isolation
Low Contact Resistance
PCB or Flying Leads Connections
Ideal for sensitive test and measurement circuits
which require low leakage current losses
Contact Unit Condition 10kV 10kV 15kVSpecification SPNO SPNC SPNO*
Contact Material Rhodium Tungsten Rhodium Tungsten Tungsten
Isolation across contacts kV or peak 10 10 10 10 15DC AC
Switching Power Max. W 50 50 50 50 50
Switching Voltage Max. V or peak 1000 7000 1000 7000 10000DC AC
Switching Current Max. A or peak 3 2 3 2 2DC AC
Carry Current Max A or peak 4 3 4 3 2DC AC
Capacitance across pF coil to screen <0.2 <0.2 <0.2 <0.2 <0.2
contacts grounded
Lifetime Operations dry switching 10 10 10 10 10
99 99 9
50W switching 10 10 10 10 10
66 66 6
Contact Resistance m max (typical) 50 (15) 250(100) 50 (15) 250(100) 250 (100)W
Insulation Resistance min 1x10 1x10 1x10W
14 14 14
Coil Specification 5V 12V 24V 5V 12V 24V 5V 12V 24V
Must Operate Voltage V 3.7 9 20 3.7 9 20 3.7 9 20DC
Must Release Voltage V 0.5 1.25 4 0.5 1.25 4 0.5 1.25 4DC
Operate Time ms 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0diode fitted
Release Time ms 2.0 2.0 2.0 3.0 3.0 3.0 2.0 2.0 2.0diode fitted
Resistance 28 150 780 38 240 925 16 95 350W
Relay Specification
Isolation contact/coil kV 17 17 17
Insulation resistance contact
to all terminals min (typical) 1x10 1x10 1x10W
14 14 14
Environmental
Operating Temp range ºC -20 to +70 -20 to +70 -20 to +70
Part Numbering System
D A T 7 12 10 F-HR
Reed Switch Size
Contact Form *A=n/o, B=n/c
Moulding Ref. No.
Contact Material
R=Rhodium,
T=Tungsten
Coil Voltage
05=5Vdc, 12=12Vdc,
24=24Vdc
Isolation between
Contacts
10=10kV, 15=15kV
Insulation Resistance
- = High InsulationHR
Resistance Version
Mounting or Connection Style
No suffix indicates mountPCB
F= mount with & coilPCB
connection with flying lead HV
connection
* Form B (n/c) is not available on 15kV models
Please refer to this document for circuit design notes:-
http://www.cynergy3.com/blog/application-notes-reed-relays-0
