MEDER electronic
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High Voltage Reed Relays
for PCB Mounting
HM Series
• High voltage test sets
• Cable testers
• Medical equipment (RF surgery)
High voltage Reed Relays for PCB mounting suitable
for switching up to 10 kVDC with breakdown voltages
up to 15 kVDC. This series is available with high
voltage cables. Standard relays available in 1 Form A
and 1 Form B switching congurations.
DESCRIPTION
DIMENSIONS
All dimensions in mm [inch]
APPLICATIONS FEATURES
Power switching up to 50 W available
Special pin outs available
1 Form A and 1 Form B are standard
Various cable lengths available
32 mm spacing between contact and coil
available
•
•
•
•
•
68±0.5
[2.677±0.02]
[2.677±0.02] [2.677±0.02]
[0.748±0.02]
68±0.5
19±0.5
19±0.5
AWG20
Silicone high-voltage wire
UL-Style 3239
cable ends tinned
HMxx-1Axx-150
HMxx-1Bxx-150
MEDER electronic
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Part Number Example
HM12 - 1A83 - 02
12 is the nominal voltage
1A is the contact form
83 is the switch model
02 is the pinout
ORDER INFORMATION
PIN OUT
View from top of component
HM Series
Series Nominal
Voltage
Contact
Form
Switch
Model Pin Out
HM XX - XX XX XXx
Options 05, 12, 24
1A 69, 83 02, 03, 04,
06, 08, 150
1B 69, 83 06, 150
High Voltage Reed Relays
for PCB Mounting
2.5mm [0.098”] pitch grid 2.5mm [0.098”] pitch grid
2.54mm [0.100”] pitch grid
+
Locking Pin
Locking Pin
+
HMxx-1Axx HMxx-1Axx-02 HMxx-1Bxx-06
HMxx-1Bxx-105
HMxx-1Axx-04
HMxx-1Axx-08
HMxx-1Axx-150
HMxx-1Axx-06
HMxx-1Axx-03
MEDER electronic
168
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High Voltage Reed Relays
for PCB Mounting
RELAY DATA
HM Series
All Data at 20° C Switch Model →
Contact Form →
Switch 69
Form A/B
Switch 83
Form A/B
Contact Ratings Conditions Min. Typ. Max. Min. Typ. Max. Unit
Switching Power Any DC combination of V & A not
to exceed their individual max.‘s 50 50 W
Switching Voltage DC or peak AC 10 7.5 kV
Switching Current DC or peak AC 3.0 3.0 A
Carry Current DC or peak AC 5.0 5.0 A
Static Contact Resistance w/ 0.5 V & 10mA 150 150 mΩ
Insulation Resistance
(100 Volts applied)
Across contacts
Contact to coil
1013
1013
1013
1013 Ω
Breakdown Voltage Voltage applied for 60 sec. min. 15
15
10
15 kVDC
Operate Time incl. Bounce Measured w/ 100 % overdrive 3.0 3.0 ms
Release Time Measured w/ no coil suppression 1.5 1.5 ms
Capacitance Across contacts
Contact to coil
0.8
5.0
0.8
5.0 pF
Life Expectancies
Switching 5 V - 10 mA DC only & <10 pF stray cap. 50 50 106
Cycles
For other load requirements please see our life test section on P. 120.
Environmental Data
Shock Resistance 1/2 sinus wave duration 11 ms 50 50 g
Vibration Resistance From 10 - 2000 Hz 20 20 g
Ambient Temperature 10°C/ minute max. allowable -20 70 -20 70 oC
Stock Temperature 10°C/ minute max. allowable -35 105 -35 105 oC
Soldering Temperature 5 sec. dwell 260 260 oC
MEDER electronic
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COIL DATA
HM Series
Contact
Form
Switch
Model
Coil
Voltage
Coil
Resistance
Pull-in
Voltage
Drop-out
Volage
Nominal
Coil Power
All Data
at 20 °C
VDC ΩVDC VDC mW
Nom. Max. Min. Typ. Max. Max. Min. Typ.
1A
83
5 7.5 41 45 50 3.8 0.5 555
12 16 225 250 275 9.0 1.0 575
24 30 900 1000 1100 18 2.0 575
69
5 7.5 27 30 33 3.8 0.5 833
12 16 135 150 165 9.0 1.0 960
24 30 540 600 660 18 2.0 960
1B
83
5 7.5 40.5 45 49.5 3.8 0.5 555
12 16 225 250 275 9 1.0 575
24 30 900 1000 1100 18 2.0 575
69
5 7.5 40.5 45 49.5 3.8 0.5 555
12 16 225 250 275 9 1.0 575
24 30 900 1000 1100 18 2.0 575
* The pull-in / drop-out voltage and coil resistance will change at rate of 0.4% per °C.
High Voltage Reed Relays
for PCB Mounting
