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ISO
9001
CERTIFIED
D Series
High Voltage relays 10kV & 15kV
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
D 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 and 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.
PCB or Panel Mount, via Nylon studs,
versions are available.
Connection options, for the HV, include
PCB, solder turret(wire wrap), flying lead
and 0.25” spade terminals.
PCB or Panel Mount
Excellent AC characteristics
10kV or 15kV Isolation
Low Contact Resistance
HV connections via Flying Leads, Solder Turret
(wire wrap), or 1/4” Spade Terminals
Contact Unit Condition 10kV SPNO 10kV SPNC 15kV SPNOSpecification
Contact Material Rhodium Tunsten Rhodium Tungsten Tungsten
Isolation across contacts kV DC or AC peak 10 10 10 10 15
Switching Power Max. W 50 50 50 50 50
Switching Voltage Max. V DC or AC peak 1000 7000 1000 7000 10000
Switching Current Max. A DC or AC peak 3 2 3 2 2
Carry Current Max A DC or AC peak 4 3 4 3 2
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 (typical) 10 (10 ) 10 (10 ) 10 (10 )W
10 13 10 13 10 13
Coil Specification 5V 12V 24V 5V 12V 24V 5V 12V 24V
Must Operate Voltage V DC 3.7 9 20 3.7 9 20 3.7 9 20
Must Release Voltage V DC 0.5 1.25 4 0.5 1.25 4 0.5 1.25 4
Operate Time ms 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0
diode 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) 10 (10 ) 10 (10 ) 10 (10 )W
10 13 10 13 10 13
Envirnonmental
Operating Temp range ºC -20 to +70 -20 to +70 -20 to +70
Part Numbering System
D A T 7 12 10 F
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
Mounting or Connection Style
No suffix indicates PCB mount
F= CB coil connectionP mount & with
Flying lead HV connection
P=Panel mount with wire wrap
terminals
S=PCB coil connectionmount & with
stud fixing & 1/4” spade HV
connection (not available on 15kV
models)
T=PCB coil connectionmount & with
stud fixing & wire wrap HV
connection
Please refer to this document for circuit design notes:-
http://www.cynergy3.com/blog/application-notes-reed-relays-0
