Contact Probes / NP20 Series

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Technical Information

■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
Brass	Gold Plating on Nickel Undercoat

Specifications

Part Number	-	Tip Shape	-	Lead Wire Color	-	Lead Wire Length
NP26 NP38 NR26 NR20K NRB26 NRB38	- - -	A A B	- -	R R	- -	1000 400

■Contact Probes

Part Number	Mounting Pitch (min.)	Full Stroke	Spring Pressure		Allowable Current	Resistance	Replacement Cycle (Reference)	Unit Price	Volume Discount Rate
Part Number	Mounting Pitch (min.)	Full Stroke	Initial	2/3 Stroke	Allowable Current	Resistance	Replacement Cycle (Reference)	1 ~ 69 pc(s).	70~99	100~500
NP26	0.5mm	2.0mm	3gf	16gf	0.5A	250mΩ	10,000 times
NP31	0.6mm	2.0mm	2gf	22gf	1A	180mΩ	30,000 times
NP31HD	0.6mm	2.0mm	6gf	23gf	1A	180mΩ	30,000 times
NP38	0.8mm	2.0mm	15gf	35gf	1A	180mΩ	30,000 times
NP20	0.9mm	2.0mm (3.0mm)	20gf	50gf	1A	100mΩ	30,000 times
NP58	1.00mm	2.0mm	25gf	50gf	1A	100mΩ	50,000 times

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.

Part Number:

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Part Number
NP20-A
NP20-B
NP20-C
NP20-C40
NP20-D
NP20-E
NP20-G
NP20-H
NP20-J
NP20-J40
NP20-N
NP20-N40
NR20K-B
NR20K-C
NR20K-N-B

Standard Unit Price	Minimum order quantity	Volume Discount	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)	End Shape	Plunger Material	Plunger O.D. (Ø)	Plunger Surface Treatment	Plunger Length L1 (Range) (mm)	Receptacle O.D. D (Range) (Ø)	Barrel, Receptacle Material	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)
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Straight, Crowned] Straight Crown A	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.5	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	Same day Stock	10	Contact Probes	0.9	[Sphere Shape (SR)] Sphere(SR) B	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.5	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	Same day Stock	10	Contact Probes	0.9	[Needle] Needle C	3 to 4.5	3	30.1 to 50	-	[Copper Alloy] EN CW101C Equiv.	0.37	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	3.0	-	15.0	20	50
6.05 €	1	Available	Same day Stock	10	Contact Probes	0.9	[Needle] Needle C40	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.37	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	Same day Stock	10	Contact Probes	0.9	[Cup] Cup D	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.5	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Needle] Needle E	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.5	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Flat] Flat G	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.5	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Straight, Crowned] Straight Crown H	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.37	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Cup] Cup J	3 to 4.5	3	30.1 to 50	-	[Copper Alloy] EN CW101C Equiv.	0.37	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	3.0	-	15.0	20	50
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Cup] Cup J40	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.37	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
6.05 €	1	Available	Same day Stock	10	Contact Probes	0.9	[Sphere Shape (SR)] Sphere(SR) N	3 to 4.5	3	30.1 to 50	-	[Copper Alloy] EN CW101C Equiv.	0.37	Nickel Plating Base, Rhodium Plating	0.1 to 3	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	3.0	-	15.0	20	50
6.05 €	1	Available	5 Days	10	Contact Probes	0.9	[Sphere Shape (SR)] Sphere(SR) N40	1 to 2.6	2	30.1 to 50	-	[Carbon steel] ISO-TC90 Equiv.	0.37	Nickel Plating Base, Rhodium Plating	3.1 to 5	-	[Copper Alloy] Phosphor Bronze	0.48	10.1 to 15	10.1 to 20	1	100	4.0	-	15.0	20	50
1.64 €	1	Available	Same day Stock	10	Receptacle	-	-	-	-	-	[Cylindrical] NR20K-B	-	-	-	-	0.01 to 1	[Copper Alloy] Brass	0.65	15.1 to 20	-	-	-	-	0.8	19.6	-	-
1.64 €	1	Available	5 Days	10	Receptacle	-	-	-	-	-	[Cylindrical] NR20K-N-B	-	-	-	-	0.01 to 1	[Copper Alloy] Brass	0.65	15.1 to 20	-	-	-	-	0.8	19.6	-	-
1.64 €	1	Available	5 Days	10	Receptacle	-	-	-	-	-	[Cylindrical] NR20K-C	-	-	-	-	0.01 to 1	[Copper Alloy] Brass	0.65	15.1 to 20	-	-	-	-	0.65	19.6	-	-

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Basic Attributes

Type
- Contact Probes
- Receptacle
Clear
Min. Mounting Pitch(mm)
0.9
Clear
Plunger Tip Shape
- Needle
  - Needle C40
  - Needle C
  - Needle E
- Sphere Shape (SR)
  - Sphere(SR) N40
  - Sphere(SR) B
  - Sphere(SR) N
- Cup
  - Cup J40
  - Cup D
  - Cup J
- Flat
  - Flat G
- Straight, Crowned
  - Straight Crown A
  - Straight Crown H
Clear
Full Stroke (Range)(mm)
1 to 2.6

3 to 4.5
Clear
Full Stroke(mm)
2

3
Clear
2/3 Stroke Spring Pressure (Range)(gf)
- 30.1 to 50
Clear
End Shape
- Cylindrical
  - NR20K-B
  - NR20K-C
  - NR20K-N-B
Clear
Plunger Material
- Copper Alloy
  - EN CW101C Equiv.
- Carbon steel
  - ISO-TC90 Equiv.
Clear
Plunger O.D.(Ø)
0.37

0.5
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 Material
- Copper Alloy
  - Brass
  - Phosphor Bronze
Clear
Barrel, Receptacle O.D.(Ø)
0.48

0.65
Clear
Barrel, Receptacle Length L2 (Range)(mm)
- 10.1 to 15
- 15.1 to 20
Clear
Initial Spring Pressure (Range)(gf)
10.1 to 20
Clear
Allowable Current(A)
1
Clear
Resistance(mΩ)
100
Clear
Plunger Length(mm)
3.0

4.0
Clear
Receptacle Outermost Diameter(Ø)
0.65

0.8
Clear
Barrel, Receptacle Length(mm)
15.0

19.6
Clear
Initial Spring Pressure(gf)
20
Clear
2/3 Stroke Spring Pressure(gf)
50
Clear
Type
- NP20
- NR20K-B
- NR20K-C
- NR20K-N-B
Clear
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