HM Series
High Voltage Reed Relays
for PCB Mounting
MEDER electronic
DESCRIPTION
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 configurations.
APPLICATIONS
•
High voltage test sets
•
Cable testers
•
Medical equipment (RF surgery)
•
•
•
•
•
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
All dimensions in mm [inch]
DIMENSIONS
68±0.5
[2.677±0.02]
19±0.5
[0.748±0.02]
68±0.5
[2.677±0.02]
19±0.5
[2.677±0.02]
HMxx-1Axx-150
HMxx-1Bxx-150
cable ends tinned
AWG20
Silicone high-voltage wire
UL-Style 3239
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166
MEDER electronic
HM Series
High Voltage Reed Relays
for PCB Mounting
ORDER INFORMATION
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
Series
HM
Nominal
Voltage
XX -
Contact
Form
XX
1A
Options
05, 12, 24
1B
69, 83
Switch
Model
XX
69, 83
Pin Out
XXx
02, 03, 04,
06, 08, 150
06, 150
PIN OUT
View from top of component
2.5mm [0.098”] pitch grid
2.54mm [0.100”] pitch grid
HMxx-1Axx-02
2.5mm [0.098”] pitch grid
HMxx-1Bxx-06
HMxx-1Axx
+
HMxx-1Axx-03
HMxx-1Axx-04
HMxx-1Bxx-105
Locking Pin
+
HMxx-1Axx-06
HMxx-1Axx-08
HMxx-1Axx-150
Locking Pin
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167
HM Series
High Voltage Reed Relays
for PCB Mounting
MEDER electronic
RELAY DATA
All Data at 20° C
Contact Ratings
Switching Power
Switch Model
→
Contact Form
→
Conditions
Any DC combination of V & A not
to exceed their individual max.‘s
DC or peak AC
DC or peak AC
DC or peak AC
w/ 0.5 V & 10mA
Across contacts
Contact to coil
Voltage applied for 60 sec. min.
Measured w/ 100 % overdrive
Measured w/ no coil suppression
Across contacts
Contact to coil
Switch 69
Form A/B
Switch 83
Form A/B
Min. Typ. Max. Min. Typ. Max. Unit
50
50
W
Switching Voltage
Switching Current
Carry Current
Static Contact Resistance
Insulation Resistance
(100 Volts applied)
Breakdown Voltage
Operate Time incl. Bounce
Release Time
Capacitance
Life Expectancies
Switching 5 V - 10 mA
10
3.0
5.0
150
10
13
10
13
15
15
7.5
3.0
5.0
150
10
13
10
13
10
15
kV
A
A
mΩ
Ω
kVDC
3.0
1.5
0.8
5.0
0.8
5.0
3.0
1.5
ms
ms
pF
DC only & <10 pF stray cap.
50
50
10
6
Cycles
For other load requirements please see our life test section on P. 120.
Environmental Data
Shock Resistance
Vibration Resistance
Ambient Temperature
Stock Temperature
Soldering Temperature
1/2 sinus wave duration 11 ms
From 10 - 2000 Hz
10°C/ minute max. allowable
10°C/ minute max. allowable
5 sec. dwell
-20
-35
50
20
70
105
260
-20
-35
50
20
70
105
260
g
g
o
C
C
C
o
o
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168
MEDER electronic
HM Series
High Voltage Reed Relays
for PCB Mounting
COIL DATA
Contact
Form
Switch
Model
Coil
Voltage
VDC
Nom.
5
Max.
7.5
16
30
7.5
16
30
7.5
16
30
7.5
16
30
Min.
41
225
900
27
135
540
40.5
225
900
40.5
225
900
Coil
Resistance
Pull-in
Voltage
VDC
Max.
50
275
1100
33
165
660
49.5
275
1100
49.5
275
1100
Max.
3.8
9.0
18
3.8
9.0
18
3.8
9
18
3.8
9
18
Drop-out
Volage
VDC
Min.
0.5
1.0
2.0
0.5
1.0
2.0
0.5
1.0
2.0
0.5
1.0
2.0
Nominal
Coil Power
mW
Typ.
555
575
575
833
960
960
555
575
575
555
575
575
All Data
at 20 °C
Ω
Typ.
45
250
1000
30
150
600
45
250
1000
45
250
1000
83
1A
69
12
24
5
12
24
5
83
1B
69
12
24
5
12
24
* The pull-in / drop-out voltage and coil resistance will change at rate of 0.4% per °C.
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169
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