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NP20 Series Contact Probes Min Pitch　0.9mm, Stroke 2.0mm【50 Pieces Per Package】 (Part Numbers)

NP20 Series Contact Probes Min Pitch　0.9mm, Stroke 2.0mm
  • Volume Discount
Check FAQ of this product (3 items)

MISUMI

MiSUMi Economy 60

MISUMI

Part Number

Configured Part Number is shown.

Economy NP20 Series Contact Probes 

Precise Reliable Durable

- Minimum Pitch Ensures Versatile Fit.

- Reliable performance with a precise stroke range.

- Efficiently handle electrical loads with safe and reliable performance.

- Withstands up to 30,000 operations without compromise.

- Low resistance for reliable connectivity.

Economy NP58 Contact Probe
MISUMI Economy Logo

MISUMI Standard
MISUMI Standard

Cheaper Price
Cheaper Price

Product Variety
Product Variety

3D CAD
3D CAD Support

Product Overview of Contact Probes

Overview of Contact Probes
Contact Probes is a contact medium for electrical testing, and a high-end precision electronic hardware component.
It can be used to check the conductivity of all electronic circuits.

Product Feature of Contact Probes

Types Typical Intended Use of Contact Probes
●Contact Probes It can be widely used in printed circuit boards, packaged circuit boards, semiconductors, circuit testing, harness testing, etc.
ICT and PCB2 types are available for different purposes.
ICT is suitable for inspection of substrates with large strokes and various integrated circuits.
PCB probe is cheaper than ICT probe and is used for inspection of individual printed substrates.
● Rotary type Contact Probes Since the plunger rotates with the change of the stroke, the flux and the oxide protective film will be destroyed.
Mainly used for open circuit and short circuit test of printed circuit board.
● Integral Contact Probes An integral probe consisting of a pin from the tip to the end.
Allows flow of stable current, regardless of stroke.
●Double tipped Contact Probes No probe holder is needed, and it can be installed with a narrower pitch.

Dimensional Drawing of Contact Probes

Product Drawings of Contact Probes (Unit: mm)
Dimensional Drawing
 
■Selection example of Contact Probes tip shape pattern (Economy series)
Probe selection example 1
■Selection example of Contact Probes holder tip shape pattern (Economy series)
Probe selection example 2

Example Use of Contact Probes

Punching machine (automatic or manual)Circuit board for conductivity check
Example of using probe

Precautions of Contact Probes

■Precautions of Contact Probes
■General environmental conditions
· Operating ambient temperature is 10 to 40 ℃, humidity is 30% below
· Surrounding environment: An environment where there is no dust, corrosive gas, oil, etc. so that the Contact Probes is not polluted.
■Stroke condition
· Please apply axial load only, not transverse load.
· Exceeding the specified stroke (2/3 of the full stroke) will significantly reduce the life of the probe.
· The Contact Probes life may be shortened if moving at a speed of more than 60 times /min (constant speed).
■Current application condition
· Please apply current in a static state and in contact with the target contact within the specified stroke.
· The probe life may be significantly reduced if current is applied during operation within the specified stroke, outside the specified stroke, or without contact with the target contact (open circuit).
· The probe may not meet the maximum allowable current listed in the catalog due to aging and other reasons. Please design to ensure there is enough margin in actual use.
■Voltage application condition
· Please apply voltage in a static state and in contact with the target contact within the specified stroke.
· Do not apply voltage without contact with the target contact (open circuit). Otherwise, it will cause electric discharge when it is about to be touched, causing damage to the probe.
· When applying high voltage to the Contact Probes, please strictly observe the application conditions of current and voltage, and pay attention to avoid discharge phenomenon and instantaneous huge current generated during discharge.
■Maximum allowable current
· The maximum allowable current listed in the product catalog is the maximum value of continuous current flowing within 1 minute under the above-mentioned conditions (general environment, stroke, application of current and voltage).
■Contact resistance
· The resistance value listed in the product catalog refers to the representative value measured by applying a current of 10 mA to the probe and making it contact with the pure silver terminal under the above-mentioned conditions (general environment, stroke, application of current and voltage).
· If the flowing current is too large, the resistance may increase due to the internal aging of the contact or probe.
· After repeated operations within the specified stroke, the resistance may increase due to the aging of the contact or probe.
■Reference number of replacements
· The reference number of replacements listed in the product catalog refers to the reference number for probes that can be used normally when the current is 10mA under the above conditions (general environment, stroke, application of current and voltage).
· When the resistance increases or the spring pressure decreases due to the difference in the operating environment and conditions, the probe may need to be replaced before the reference number is reached. Please replace it in time according to actual usage.
■Spring pressure
· If the Contact Probes temperature exceeds 80 ℃, the spring pressure will drop.
· If the current value is increased, the spring pressure may drop due to the heating of the probe.
■Mounting hole size for press-fit (reference)
· Reference value only, depending on the material and thickness of the resin plate. Please design referring to the size of the probe holder press-fit part.

Usage Method of Contact Probes

●Selection of Contact Probes (probe holder)
Please select the product according to the mounting pitch (spacing) of the workpiece to be inspected.
Also, select the probe holder corresponding to the probe.
＊ The probe is different from the probe holder mounted directly on the resin plate, can be easily disassembled, saving time to replace the probe.
●About the use of the Contact Probes (probe holder)
① Insert the probe holder after opening holes on the resin plate (bakelite board, etc.). (See Diagram 1)
* For the opening size, please refer to the mounting hole size for press-fit as documented on each page. (See Diagram 2)
* If there is clearance between the resin plate and the probe holder, please fix it with adhesive before using it.
② After installation, wire to the probe holder.
＊ When soldering wires, please be careful not to let the flux flow into the probe holder. Otherwise, the probe may not work.
＊ Depending on the environment, if there is no space for soldering or wiring, please perform wiring before press-fit.
③ Insert the Contact Probes into the probe holder. (Refer to Diagram 1)
* At this time, if the tip (plunger) part is pressed down forcefully, it may cause damage or deterioration in function. Please be careful.
＊ Please use within the prescribed stroke (2/3 of the full stroke).
Probe selection & usage method

Related Products of Contact Probes

MISUMI Contact Probes C-NP84 series matching probe holder product NR84
Probe Holder Example

Specification Table of Contact Probes

Specification Table of Contact Probes
Part Number-Tip Shape-Lead Wire Color-Lead Wire Length
C‐NP84-G    

■ Contact Probes
Part NumberMounting Pitch
(min)		Full strokeSpring pressureMaximum Allowable CurrentResistanceReference
number of replacements
Initial stage2/3 stroke
C‐NP200.9mm2.0mm20gf50gf1.5A80mΩ30,000 times

Part Number 

CAD Data download and 3D preview are not available because the part number has not yet been determined.

  • *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
  • Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
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  1. 1
Part Number
C-NP20-A
C-NP20-AK
C-NP20-B
C-NP20-C
C-NP20-C40
C-NP20-D
C-NP20-E
C-NP20-G
C-NP20-H
C-NP20-J40
C-NP20-N
C-NP20-RH
Part NumberStandard Unit PriceNumber of pc(s). included in pkg.Minimum order quantityVolume DiscountDays to ShipFull Stroke (Range)
(mm) 		Plunger O.D.
(Ø) 		Plunger Length L1 (Range)
(mm) 		Plunger Length
(mm) 		Plunger Tip Shape

492,359 IDR

50 Pieces Per Package

1 Pack(s)Available Same day 1~2.60.53.1~54A Type

517,386 IDR

50 Pieces Per Package

1 Pack(s)Available 16 Day(s) 3~4.50.355.1~83AK Type

483,301 IDR

50 Pieces Per Package

1 Pack(s)Available 16 Day(s) 1~2.60.53.1~54B Type

483,359 IDR

50 Pieces Per Package

1 Pack(s)Available Same day 3~4.50.350.1~33C Type

483,421 IDR

50 Pieces Per Package

1 Pack(s)Available Same day 1~2.60.353.1~54C40 Type

483,481 IDR

50 Pieces Per Package

1 Pack(s)Available Same day 1~2.60.53.1~54D Type

483,539 IDR

50 Pieces Per Package

1 Pack(s)Available 16 Day(s) 1~2.60.53.1~54E Type

483,599 IDR

50 Pieces Per Package

1 Pack(s)Available Same day 1~2.60.53.1~54G Type

492,776 IDR

50 Pieces Per Package

1 Pack(s)Available Same day 1~2.60.353.1~54H Type

483,716 IDR

50 Pieces Per Package

1 Pack(s)Available 16 Day(s) 1~2.60.353.1~54J40 Type

483,776 IDR

50 Pieces Per Package

1 Pack(s)Available 16 Day(s) 3~4.50.350.1~33N Type

517,446 IDR

50 Pieces Per Package

1 Pack(s)Available 16 Day(s) 3~4.50.55.1~84RH Type

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  1. 1

Basic Information

Type Contact Probe Min. Mounting Pitch(mm) 0.9 Full Stroke(mm) 2
2/3 Stroke Spring Pressure (Range)(gf) 30.1~50 Plunger Material SK4 Plunger Surface Treatment Nickel Plating Base, Gold Plating
Barrel, Receptacle Material Phosphor Bronze Barrel, Receptacle O.D.(Ø) 0.48 Barrel, Receptacle Length L2 (Range)(mm) 10.1~15
Properties Standard Initial Spring Pressure (Range)(gf) 10.1~20 Allowable Current(A) 1.5
Resistance(mΩ) 80 Barrel, Receptacle Length(mm) 15.0 Initial Spring Pressure(gf) 20
2/3 Stroke Spring Pressure(gf) 50

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Specification/Dimensions

  • Full Stroke (Range)(mm)

    • 1~2.6
    • 3~4.5

    Clear

  • Plunger O.D.(Ø)

    • 0.35
    • 0.5

    Clear

  • Plunger Length L1 (Range)(mm)

    • 0.1~3
    • 3.1~5
    • 5.1~8

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  • Plunger Length(mm)

    • 3
    • 4

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  • Plunger Tip Shape

    • C40 Type
    • J40 Type
    • A Type
    • AK Type
    • B Type
    • C Type
    • D Type
    • E Type
    • G Type
    • H Type
    • N Type
    • RH Type

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  • type

    • C-NP20

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  • CAD

    • 2D
    • 3D

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Days to Ship

    • All
    • Same day
    • 16 Day(s) or Less

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Specify Alterations

Frequently asked question (FAQ)

Question: What are the operating environment conditions for probes?
Answer: Ambient temperature is 10 to 40℃, humidity is below 30%, and there is no dust, corrosive gas, oil, etc., so that the probe is not polluted.
Question: Does the center distance chosen for the probe refer to the center distance between two adjacent probes?
Answer: Yes. If it is less than the minimum mounting pitch, the installation of two adjacent probes interferes with each other.
Question: If I choose a non-lead type product, how to use it?
Answer: The customer shall weld the wire by himself.

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