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ISO

D-HR Series

High Insulation Resistance, High Voltage Relays -10kV & 15kV

Cynergy3 Components Ltd.

7 Cobham Road

Ferndown Industrial Estate

Wimborne, Dorset BH21 7PE

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 SPNO

10kV SPNC

15kV SPNO

Specification

*

Contact Material

Rhodium Tungsten 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

9

9

9

50W switching

10

10

10

10

10

66

6

6

6

Contact Resistance

m

max (typical)

50 (15)

250(100) 50 (15) 250(100)

250 (100)

W

Insulation Resistance

min

1x10

1x10

1x10

W

14

14

14

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

2.0

diode fitted

Resistance

28

150

780

38

240

925

16

95

350

W

Relay Specification

Isolation contact/coil

kV

17

17

17

Insulation resistance contact

to all terminals

min (typical)

1x10

1x10

1x10

W

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

-HR = High Insulation

Resistance Version

Mounting or Connection Style

No suffix indicates PCB mount

F= PCB mount with & coil

connection with flying lead HV

connection

* Form B (n/c) is not available on 15kV models