Page 1242 - MiSUMi 2025

Economy series Installation Variation and Technical Information Economy series
Contact Probes Magnets

QOverview QGeneral Environmental Conditions
Contact Probes can be used in connection tests of all electronic circuits. · Operating Temperature: 10~40°C, Humidity: 30% or Less
· Operating Atmosphere: Free of dust, corrosive gases and oil components etc.,
QHow to Use where the contact probe may not be contaminated.
Press-fit appropriate receptacles in the mating holes drilled in a bakelite or other
plastic plate. If the mating holes are loose, use appropriate adhesives (Loctite, etc.) QStroke Conditions
to fill the gap. After press fitting, wire the receptacles. If wires need to be soldered, · Apply load in the axial direction only. Do not apply lateral load.
do not solder past the stopper in the receptacle. After wiring, insert Contact Probes. · Stroking over the specified stroke (2/3 of full stroke) will significantly decrease the
Pressing plungers too hard may cause damage to the tip or internal components of lifetime of the Contact Probe.
Contact Probes and result in performance degradation. · Stroking over 60 times per min (constant velocity) may decrease the lifetime of the
It is recommended to make several tests under operating environment before actual Contact Probe.
use.
QCurrent Application Conditions
QTypical Uses · Apply current only after contact is made at a specified position in a static state.
Suitable for extensive use in testing printed circuit boards, mounted circuit boards, · Applying current while stroking, with irregular strokes, or in open state where the
15 semiconductors/in-circuit, harnesses, etc. · May not meet allowable current shown in the catalog due to contact probe’s 15
contact subject is not contacted will severely decrease the lifetime of Contact
Probes.
Sensors / Noise Filters / Power Distribution Units / Contact Probes Pattern A Pattern B Pattern C QVoltage Application Conditions Contact Probes Power Distribution Units / Sensors / Noise Filters /
QContact Probe Tip Shapes and Patterns
deterioration. Consider actual applications carefully in the designing stage.
· Apply current only after contact is made at a specified position in a static state.
· Do not energize probes in open (not in contact) state. Discharge before contacting
will result in damage to Contact Probes.
· When applying high voltage to a contact probe, be sure to satisfy Current
Application Conditions and Voltage Application Conditions, and be careful of
instantaneous large current including discharge.
Sensors Pattern D Pattern E Pattern G QAllowable Current Sensors
· Allowable current provided in the catalog is the maximum continuous current for
1 min under the conditions as shown above (Normal environment, stroke, current
and voltage applied).
P.15-007 QResistance P.15-007
Area Sensors / Safety Light Curtains / Safety Door Switches Pattern H Pattern J Pattern N · Resistance value provided in the catalog is the representative value as shown Safety Door Switches Safety Light Curtains / Area Sensors /
above (Normal environment, stroke, current and voltage applied), when 10mA
current flows where pure silver contacts are used for the measurement.
· Large current may cause deterioration of contact and inner parts, resulting in
resistance value increase.
P.15-036 · Stroke cycle repetition may cause deterioration of contacts and inner parts, P.15-036
resulting in resistance increase.
Noise Filters QReplacement Cycle (Reference) Filters Noise
· Replacement cycle provided in the catalog is the representative value as shown
above (Normal environment, stroke, current and voltage applied), when 10mA
QReceptacle End Shapes current flows.
P.15-050 Wire Wrap Type Solder and Crimp Type · Replacement cycle can vary depending on operating environment and conditions P.15-050
including resistance increase and spring pressure decrease. Replace Contact
Probes considering actual applications.
Power Distribution Units *Solder Type Terminal Mounted Type QSpring Pressure Units Power Distribution
· Spring pressure decreases if temperature of contact probe is 80°C or more.
· Spring pressure may decrease due to heat generation of a contact probe at larger
P.15-052 current. P.15-052
QMounting Hole for Press-Fitting Dimension (Reference)
Caution: The product mentioned here is not handled in this catalog.
Contact Probes on material and thickness of resin plate. Please take the dimensions of receptacle Probes Contact
· The values provided are for reference. Appropriate dimensions vary depending
press fit part as a guide for your design.
P.15-054 P.15-054
QHow to attach Double Tipped Probes

① Insert the probes by reversing ② Attach the plate (bottom) ③ Assemble the IC with flip-chip BGA
and fix the probes
the plate (top) upside down
sockets and the board
Free length
｜
Plate
(bottom) Usable length
|| Plate
Usable stroke Free length Set length Usable length (top)
Plate Plate
(top) (top) Recommended Plate
value is 2/3 of
full stroke listed (bottom)
in catalog
PCB
15-055 PCB