D-HR Series High Insulation Resistance, High Voltage Relays -5kV, 7.5kV,10kV & 15kV 5kV, 7.5kV,10kV or 15kV isolation Low contact resistance 14 1x10 Ohms minimum insulation resistance PCB or flying leads connections Ideal for sensitive test and measurement circuits which require low leakage current losses Contact Specification Unit Condition 5kV SPNO 5kV SPNC 7.5kV SPNO 7.5kV SPNC 10kV SPNO 10kV SPNC 15kV SPNO* Contact Material Rhodium Tungsten Rhodium Tungsten Rhodium Tungsten Rhodium Tungsten Rhodium Tungsten Rhodium Tungsten Tungsten Isolation across contacts kV DC or AC peak 5 5 5 5 7.5 7.5 7.5 7.5 10 10 10 10 15 Switching Power Max. W 50 50 50 50 50 50 50 50 50 50 50 50 50 Switching Voltage Max. V DC or AC peak 1000 3500 1000 3500 1000 5000 1000 5000 1000 7000 1000 7000 10000 Switching Current Max. A DC or AC peak 3 2 3 2 3 2 3 2 3 2 3 2 2 Carry Current Max A DC or AC peak 4 3 4 3 4 3 4 3 4 3 4 3 2 Capacitance across pF coil to screen <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 contacts grounded 9 9 9 9 9 9 9 9 9 9 9 9 9 Lifetime Operations dry switching 10 10 10 10 10 10 10 10 10 10 10 10 10 6 6 6 6 6 6 6 6 6 6 6 6 6 50W switching 10 10 10 10 10 10 10 10 10 10 10 10 10 Contact Resistance mW max (typical) 50(15) 250(100) 50(15) 250(100) 50(15) 250(100) 50(15) 250(100) 50(15) 250(100) 50(15) 250(100) 250 (100) 14 14 14 14 14 14 14 14 14 14 14 14 14 Insulation Resistance Wmin 1x10 1x10 1x10 1x10 1x10 1x10 1x10 1x10 1x10 1x10 1x10 1x10 1x10 Coil Specification 5V 12V 24V 5V 12V 24V 5V 12V 24V 5V 12V 24V 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 3.7 9 20 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 0.5 1.25 4 0.5 1.25 4 0.5 1.25 4 0.5 1.25 4 Operate Time ms diode fitted 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0 Release Time ms diode fitted 2.0 2.0 2.0 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0 2.0 2.0 2.0 3.0 3.0 3.0 2.0 2.0 2.0 Resistance W 28 150 780 38 240 925 28 150 780 38 240 925 28 150 780 38 240 925 16 95 350 Note. The operate / release voltage and coil resistance will change at a rate of 0.4% per degree C. Values are stated at room temperature (20 degrees C) Relay Specification Isolation contact/coil kV DC or AC peak 17 Insulation resistance contact 14 to all terminals Wmin 1x10 Environmental Operating Temp range C -20 to +70 Part Numbering System D A T 7 12 10 F-HR Reed Switch Size Very high isolation voltages, up to 15kV, Insulation Resistance are achieved through the use of high Contact Form A=n/o, B=n/c* -HR = High Insulation vacuum reed switches. Rhodium or Contact Material Resistance Version tungsten contacts make these relays R=Rhodium, Mounting or Connection Style suitable for high reliability applications, T=Tungsten No suffix indicates PCB mount such as cardiac defibrillators, test Moulding Ref. No. F= PCB mount with & coil equipment and high voltage power connection with flying lead HV Coil Voltage supplies. connection 05=5Vdc, 12=12Vdc, 24=24Vdc The rhodium contact relays have low contact resistance, whilst the tungsten Isolation between contact relays can switch higher voltages. Contacts Please refer to this document for circuit design notes:- 05=5kV, 75=7.5kV MECHANICAL STANDARD (e.g. DAT71210-HR) CIRCUIT DIAGRAMS 15.8 (0.62 ) 60.0 (ALL VARIANTS) (2.36 ) 18.5 FORM A (NO) (0.73 ) 3 1 2 4.0 4 4 Pins 0.635(0.025) Square (0.15 ) 5.1 FORM B (NC) (0.2 ) 3 - 3 10.2 2 1 1 2 4 (0.4 ) 4 + 25.4 (1.0 ) 50.8 NOTE: COIL POLARITY IS IMPORTANT (2.0 ) FOR FORM B VARIANT ONLY. FLYING LEAD (e.g. DAT71210F-HR) Cable: UL3239, 22AWG, ~300 20kV, Nom. 3.2mm OD (White) 50.8 1 2 9 (2.0 ) 4 Pins 0.635(0.025) Square 3 4 NOTE: PINS WHICH ARE NOT NUMBERED HAVE NO ELECTRICAL CONNECTION. Please refer to this document for circuit design notes:-
