DB(UL) Series
UL Approved* Normally Closed, High Voltage Relays - 10kV
10kV Isolation
Low Contact Resistance
PCB or Panel Mount
HV connections via Flying Leads, Solder Turret
(wire wrap), or 1/4” Spade Terminals
Excellent AC characteristics
Contact Specification Unit Condition
Contact Form
Contact Material
10kV SPNC
N/C (normally closed)
Tungsten
Isolation across contacts kV DC or AC peak
10
50
7000
2
3
Switching Power Max.
Switching Voltage Max.
Switching Current Max.
Carry Current Max
Capacitance across
contacts
W
V
A
A
DC or AC peak
DC or AC peak
DC or AC peak
pF coil to screen
grounded
<0.2
Lifetime operations
dry switching
109
50W switching
106
Contact Resistance
Insulation Resistance Wmin (typical)
mW max (typical)
250(100)
(1013)
Coil Specification
5V
3.7
0.5
2.0
3.0
38
12V
24V
Recently approved by UL, very high
isolation voltages (up to 10kV) are
achieved through the use of high vacuum
reed switches with Tungsten contacts and
make these relays suitable for high
reliability applications, such as cardiac
defibrillators, test equipment and high
voltage power supplies.
Must Operate Voltage
Must Release Voltage
Operate Time
Release Time
Resistance
V
V
DC
DC
9
20
4
2.0
3.0
925
1.25
2.0
3.0
240
ms diode fitted
ms diode fitted
W
Relay Specification
Isolation contact/coil
Insulation resistance contact
to all terminals
kV
17
Wmin (typical)
1010 (1013)
The Tungsten contact relays can switch
higher voltages, up to 7000Vdc/ac peak to
peak
Environmental
Operating Temp range ºC
-20 to +70
*Consult factory for UL ratings
PCB or Panel Mount, via Nylon studs,
versions are available.
Part Numbering System
Connection options, for the HV, include
PCB, solder turret(wire wrap), flying lead
and 0.25” spade terminals.
D B T 7 12 10 F U
Reed Switch Size
Contact Form B =n/c
Contact Material
T=Tungsten
“U” indicates UL approved
Mounting or Connection Style
No suffix indicates PCB mount
F=PCB mount & coil connection with
Flying lead HV connection
P=Panel mount with wire wrap
terminals
S=PCB mount & coil connection with
stud fixing & 1/4” spade HV
connection
Moulding Ref. No.
Coil Voltage
05=5Vdc, 12=12Vdc,
24=24Vdc
Isolation between
Contacts
10=10kV
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
Telephone +44 (0) 1202 897969
T=PCB mount & coil connection with
stud fixing & wire wrap HV
connection
Email:sales@cynergy3.com
www.cynergy3.com
ISO9001CERTIFIED
DB(UL) 2016
© 2016 Cynergy3 Components, All Rights Reserved. Specifications are subject to change without prior notice. Cynergy3 Components and the Cynergy3 Components logo are trademarks of Cynergy3 Components Limited.