MK17 Series
Reed Sensors for
SMD Mounting
MEDER electronic
DESCRIPTION
MK17 are magnetically operated Reed proximity
switches for SMD mounting.
•
Lead design 1:
Flat, straight leads for PCB
slot mounting.
•
Lead design 2:
Flat, bent SMD leads.
•
Lead design 3:
J-Lead.
APPLICATIONS
•
Electronic PCB’s where all components
are surface mounted
•
Telecommunication applications
Hook switch in mobile and hard-wired phones
•
Switching element in microphones
The sensors are supplied taped & reeled according
to IEC 286/part 3 suitable for auto-placement.
The special features of this series are the small
dimensions of only 12.5 x 2.1 x 2.1mm and the
simple internal structure.
FEATURES
•
•
•
•
•
Two operate sensitivities available
Tape and Reel available
Excellent for low power operations
No external power required for sensor operation
UL approved
All dimensions in mm [inch]
DIMENSIONS
Recommended
Pad Layout
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260
MEDER electronic
MK17 Series
Reed Sensors for
SMD Mounting
ORDER INFORMATION
Part Number Example
MK17 - B - 1
B
is the magnetic sensitivity
1
is the lead design
Magnetic
Sensitivity
x-
B, C, D, E
Lead
Design
x
1, 2, 3
Series
MK17 -
Options
MAGNETIC SENSITIVITY
Sensitivity
class
Pull In
AT Range
B
C
D
E
10 - 15
15 - 20
20 - 25
25 - 30
TAPE & REEL
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261
MK17 Series
Reed Sensors for
SMD Mounting
MEDER electronic
SOLDERING INFORMATION
reflow soldering conditions according JEDEC norm J-STD-020C
40 s
260
o
C
183
o
C
125
o
C
Ramp up:
max. 6K/s
120 s
120-180 s
Ramp down:
max. 8/Ks
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262
MEDER electronic
MK17 Series
Reed Sensors for
SMD Mounting
CONTACT DATA
All Data at 20° C
Contact Ratings
Switching Power
Switching Voltage
Switching Current
Carry Current
Static Contact Resistance
Dynamic Contact Resistance
Insulation Resistance across Contacts
Breakdown Voltage across Contact
Operate Time incl. Bounce
Release Time
Capacitance
Contact Operation *
Must Operate Condition
Must Release Condition
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
-40
-50
30
20
130
130
260
g
g
o
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 & 10 mA
Measured w/ 0.5 V & 50 mA ,
1.5 ms after closure
100 volts applied
Voltage applied for 60 sec. min.
Measured w/ 100 % overdrive
Measured w/ no coil suppression
at 10 kHz cross contact
10
9
210
Form A
Min.
Typ.
Max. Units
10
100
0.5
0.5
200
250
W
V
A
A
mΩ
mΩ
Ω
VDC
0.6
0.1
0.2
ms
ms
pF
Steady state field
Steady state field
10
4
30
18
AT
AT
C
C
C
o
o
Please note: The indicated electrical data are maximum values and can vary downwards when using a more
sensitive switch.
* These ranges refer to the uncut / unmodified Reed Switches described in our Reed Switch section. Consult factory if
more detail is required.
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263
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