MK23 Series
Open Reed Sensors
for SMD Mounting
MK23-35
MK23-46
MK23-66
MEDER electronic
MK23-80
MK23-87
DESCRIPTION
MK23-Sensors are magnetically operated, open
Reed proximity Switches for SMD mounting.
Lead design 1:
Flat, straight leads for PCB slot
mounting.
Lead design 2:
Flat, bent SMD leads (Gull-wing)
Lead design 4:
Round, bent SMD leads for PCB
slot mounting
Magnet force and position magnet/sensor
determine Pull-In and Drop-Out point. The sensors
are supplied taped & reeled according to IEC 286/
part 3 suitable for auto-placement.
FEATURES
•
Reed switches without moulding case for
reasonable products
•
Five different switch models
•
Flat or round leads in three different designs
•
Four operate sensitivities available
•
Tape & Reel package
•
No external power required for sensor operation
APPLICATIONS
•
Electronic PCB`s where all components are
surface mounted
•
No power-requirement sensor for low power
applications
•
Telecommunication applications
•
Automotive applications
All dimensions in mm [inch] unspecified tolerances +/- 0.1 mm
DIMENSIONS
MK23-35
Lead Design 1
Lead Design 2
www.meder.com
278
MK23 Series
Open Reed Sensors
for SMD Mounting
MEDER electronic
CONTACT DATA
All Data at 20° C
Switching Power max.
Switching Voltage max.
Switching Current max.
Carry Current max.
Static Contact Resistance max.
Insulation Resistance min.
Breakdown Voltage min.
Operate Time incl. Bounce max.
Release Time max.
Capacitance type
Contact Operation **
Pull-In
Drop-Out
Environmental Data
Shock Resistance max.
Vibration Resistance max.
Ambient Temperature
Stock Temperature
Soldering Temperature max.
1/2 sinus wave duration 11 ms
From 10 - 2000 Hz
10°C/ minute max. allowable
10°C/ minute max. allowable
5 sec.
260
260
30
20
50
20
50
20
-40 up to + 130
-55 up to + 130
260
260
260
50
20
50
20
g
g
o
Contact form
→
Switch Model
→
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
/ 0.5 V & 10 mA
RH 45%
Voltage applied for 60 sec. min.
.
Measured w/ 100 % overdrive
Measured w/ no coil suppression
at 10 kHz cross contact
Form A
35
20 *
200
1.0
1.25
150
10
12
320
46
10 *
200
0.5
1.0
150
10
12
225
66
10 *
200
0.5
1.25
150
10
10
225
80
10 *
170
0.25
0.5
200
10
9
210
87
10 *
200
0.5
0.5
150
10
9
230
Unit
W
V
A
A
mΩ
Ω
VDC
ms
ms
pF
0.5
0.1
0.2
0.7
0.1
0.2
0.5
0.1
0.2
0.6
0.1
0.2
0.6
0.1
0.2
6 - 35
5.5 - 28
10 - 40
10 - 50
10 - 30
4 - 27
10 - 70
4 - 62
7 - 37
6 - 42
AT
AT
C
C
C
o
o
* The indicated electrical data are maximum values and can vary downwards when using a more sensitive switch. Consult factory if
more detail is required.
** These ranges refer to the uncut / unmodified Reed Switches described in our Reed Switch section. Consult factory if more detail is
required.
www.meder.com
282
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