Contact Probes / NP31 Series

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■Contact Probes

No.	Part	Material	Surface Treatment
	Plunger	ISO-TC90 Equiv.	Rhodium Plating on Nickel Undercoat
	Barrel	Phosphor Bronze	Gold Plating on Nickel Undercoat
	Spring	Spring Steel (JIS-SWP)	Gold Plating

■Receptacles

Material	Surface Treatment
Phosphor Bronze	Gold Plating on Nickel Undercoat

Specifications

Part Number	-	Tip Shape	-	Lead Wire Color	-	Lead Wire Length
NP26 NP38	- -	A A

■Contact Probes

Part Number	Mounting Pitch (min.)	Full Stroke	Spring Pressure		Allowable Current	Resistance	Replacement Cycle (Reference)	Unit Price	Volume Discount Rate
			Initial	2/3 Stroke				1 ~ 69 pc(s).	70~99	100~500
NP31	0.6mm	2.0mm	2gf	22gf	1A	180mΩ	30,000 times
NP31HD			6gf	23gf

Full Stroke in ( ) is applicable to Tip Shape C, J, and N.
For orders larger than indicated quantity, please request a quotation.

■Receptacles

Part Number	Matching Contact Probe	Mounting Hole for Press-Fitting Dimension (Reference)	Unit Price	Volume Discount Rate
Part Number	Matching Contact Probe	Mounting Hole for Press-Fitting Dimension (Reference)	1 ~ 69 pc(s).	70~99	100~500
NR26	NP26	0.34~0.35mm
NR31	NP31 NP31HD	0.42~0.43mm
NR38	NP38	0.53~0.54mm
NR20K	NP20	0.63~0.64mm
NR58	NP58	0.78~0.79mm

For orders larger than indicated quantity, please request a quotation.

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Part Number
NP31-A
NP31-B
NP31-C
NP31-D
NP31-E
NP31-G
NP31-H
NP31-J
NP31-N
NP31HD-A
NP31HD-B
NP31HD-C
NP31HD-E
NP31HD-H
NP31HD-N
NR31

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Type	Min. Mounting Pitch (mm)	Plunger Tip Shape	Full Stroke (Range) (mm)	Full Stroke (mm)	2/3 Stroke Spring Pressure (Range) (gf)	Plunger Material	Plunger O.D. (Ø)	Plunger Surface Treatment	Plunger Length L1 (Range) (mm)	Receptacle O.D. D (Range) (Ø)	Barrel, Receptacle O.D. (Ø)	Barrel, Receptacle Length L2 (Range) (mm)	Initial Spring Pressure (Range) (gf)	Allowable Current (A)	Resistance (mΩ)	Plunger Length (mm)	Receptacle Outermost Diameter (Ø)	Barrel, Receptacle Length (mm)	Initial Spring Pressure (gf)	2/3 Stroke Spring Pressure (gf)
6.80 €	1	5 Days	10	Contact Probes	0.6	[Tapered, Crowned] Taper Crown A	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Sphere Shape (SR)] Sphere(SR) B	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Needle] Needle C	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Cup] Cup D	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Needle] Needle E	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	2	22
6.80 € 2.04 €	1	Same day Stock	10	Contact Probes	0.6	[Flat] Flat G	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	2	22
6.80 € 2.04 €	1	Same day Stock	10	Contact Probes	0.6	[Straight, Crowned] Straight Crown H	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Cup] Cup J	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Sphere Shape (SR)] Sphere(SR) N	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	2	22
6.80 €	1	5 Days	10	Contact Probes	0.6	[Tapered, Crowned] Taper Crown A	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	6	23
6.80 €	1	5 Days	10	Contact Probes	0.6	[Sphere Shape (SR)] Sphere(SR) B	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	6	23
6.80 € 1.97 €	1	Same day Stock	10	Contact Probes	0.6	[Needle] Needle C	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	6	23
6.80 €	1	5 Days	10	Contact Probes	0.6	[Needle] Needle E	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.34	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	0.31	5 to 10	0 to 10	1	180	4.5	-	10	6	23
6.80 € 2.04 €	1	Same day Stock	10	Contact Probes	0.6	[Straight, Crowned] Straight Crown H	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	6	23
6.80 €	1	5 Days	10	Contact Probes	0.6	[Sphere Shape (SR)] Sphere(SR) N	1 to 2.6	2	0 to 30	[Carbon steel] ISO-TC90 Equiv.	0.21	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	0.31	5 to 10	0 to 10	1	180	2	-	10	6	23
2.02 €	1	5 Days	10	Receptacle	-	-	-	-	-	-	-	-	-	0.01 to 1	0.44	10.1 to 15	-	-	-	-	0.5	12.7	-	-

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Basic information

Barrel, Receptacle Material	Phosphor Bronze	Properties	Standard

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Basic Attributes

Type
- Contact Probes
- Receptacle
Clear
Min. Mounting Pitch(mm)
0.6
Clear
Plunger Tip Shape
- Needle
  - Needle C
  - Needle E
- Sphere Shape (SR)
  - Sphere(SR) B
  - Sphere(SR) N
- Cup
  - Cup D
  - Cup J
- Flat
  - Flat G
- Straight, Crowned
  - Straight Crown H
- Tapered, Crowned
  - Taper Crown A
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Full Stroke (Range)(mm)
1 to 2.6
Clear
Full Stroke(mm)
2
Clear
2/3 Stroke Spring Pressure (Range)(gf)
- 0 to 30
Clear
Plunger Material
- Carbon steel
  - ISO-TC90 Equiv.
Clear
Plunger O.D.(Ø)
0.21

0.34
Clear
Plunger Surface Treatment
- Nickel Plating Base, Rhodium Plating
Clear
Plunger Length L1 (Range)(mm)
0.1 to 3

3.1 to 5
Clear
Receptacle O.D. D (Range)(Ø)
- 0.01 to 1
Clear
Barrel, Receptacle O.D.(Ø)
0.31

0.44
Clear
Barrel, Receptacle Length L2 (Range)(mm)
- 5 to 10
- 10.1 to 15
Clear
Initial Spring Pressure (Range)(gf)
0 to 10
Clear
Allowable Current(A)
1
Clear
Resistance(mΩ)
180
Clear
Plunger Length(mm)
2

4.5
Clear
Receptacle Outermost Diameter(Ø)
0.5
Clear
Barrel, Receptacle Length(mm)
10

12.7
Clear
Initial Spring Pressure(gf)
2

6
Clear
2/3 Stroke Spring Pressure(gf)
22

23
Clear
Type
- NP31
- NP31HD
- NR31
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