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8Y254 Series Spring Probe Connectors
SMT type
Specifications
Dielectric strength
Insulation resistance
Contact resistance
Durability
Capacitance
Operating temperature
2.54mm pitch
Materials
Insulator
Barrel
Plunger
Spring Coil
:
AC300Vrms 1minute
:
1000MΩmin
: 50mΩmax *
:
100,000 cycles min
:
1pF max
:　-45℃～+160℃
:
:
:
:
High temp.thermoplastic
Brass,　Au plating over Ni
Brass, Au plating over Ni
Stainless steel,Au plating
How to order
8Y254
- 64S14
SM
- 04 S
S : Single in line
D : Dual in line
See next page
Surface mount
Number of positions : P
Single in line : 02,03,04,06,07,08,09,10,12
Dual in line
: 04,12,20(even number)
Regarding other number of positions, please feel free to ask us.
Single in line
2.54xP
2.54x(P-1)
2.54x(P-1)
(1.27)
2.54max
(1.27)
PC board layout
2.54
φ2
Dual in line
(2.54xP/2)
2.54x(P/2-1)
2.54
5.08max
2.54
2.54x(P/2-1)
φ1.53
A:Initial
height
2
2.54
φ2
φ1.05
8Y254-H120S28-SM (Page 5A9)
Temperature Rise (Reference)
120
100
φ1.82
80
℃
60
40
20
0
2
4
6
8
10
Current(Amps)
*In case of Gold plated PC board land or Gold plated metal
for the mating surface.
*At recommended stroke and Static contacting to the
target. (The target shall be motionless.)
5A1
This figure shows temperature rising in case of single spring probe.
Using multiple spring probes, temperature rises than above.
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www.jccherry.com
8Y254 Series Spring Probe Connectors
SMT type
2.54mm pitch
:mm
8Y254-53S10SM-□□D
8Y254-64S14SM-□□S
8Y254-64S14SM-□□D
8Y254-74S14SM-□□S
8Y254-74S14SM-□□D
8Y254-81S17SM-□□S
8Y254-81S17SM-□□D
8Y254-101S21SM-□□S
8Y254-101S21SM-□□D
8Y254-108S28SM-□□S
8Y254-108S28SM-□□D
8Y254-120S28SM-□□S
8Y254-120S28SM-□□D
Initial
height
Recommended
Travel
5.3
0.7
1.0
6.4
1.0
1.3
7.4
1.0
1.4
8.1
1.1
1.7
10.1
1.6
2.1
10.8
1.8
2.4
12.0
2.0
2.8
S
A:Initial
height
Plunger
Full travel
P/N
8Y254-53S10SM-□□S
S
(travel)
Product table
A
Line
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Positions　Barrel
（Pin P/N)
8Y254-H57S14-SM
8Y254-H64S14-SM
8Y254-H74S14-SM
8Y254-H81S17-SM
8Y254-H101S21-SM
8Y254-H108S28-SM
8Y254-H120S28-SM
8Y254-120S28SM-□□S
Current rating table
(Case of Temperature Rise=30℃)
4
6
8
10
12
PC Board
Spring
Current rating/1Pin　A
4.0
3.4
3.0
2.6
2.0
Affected by current rating of mounting board's conductor part.
How to use
Guide
Full
Travel
PC Board
Device
etc
Spacer
Spacer
PC Board
Please feel free to ask us about vacuum pick-up clip
or tape packaging.
5A2
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www.jccherry.com
8Y254 Series Spring Probe Connectors
Solder Dip type
How to order
8Y254 - 64S14 SD - 04
2.54mm pitch
S
See next page
S : Single in line
D : Dual in line
Solder dip
Number of positions : P
Single in line : 02,03,04,06,07,08,09,10,12
Dual in line
: 04,12,20(even number)
Regarding other number of positions, please feel free to ask us.
PC Board layout
2.54xP
2.54x(P-1)
(1.27)
2.54max
Single in line
2.54x(P-1)
65
0.
φ
(2.54xP/2)
2.54x(P/2-1)
2.54
Dual in line
5.08max
2.54x(P/2-1)
65
0.
φ
2.5
2
A:Initial
height
φ1.53
φ0.56
8Y254-H120S28-SM (Page 5A9)
Temperature Rise (Reference)
120
100
80
℃
60
40
20
0
2
4
6
8
10
Current(Amps)
This figure shows temperature rising in case of single spring probe.
Using multiple spring probes, temperature rises than above.
5A3
2.54
(1.27)
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www.jccherry.com
8Y254 Series Spring Probe Connectors
Solder Dip type
2.54mm pitch
:mm
P/N
8Y254-53S10SD-□□S
8Y254-53S10SD-□□D
8Y254-64S14SD-□□S
8Y254-64S14SD-□□D
8Y254-74S14SD-□□S
8Y254-74S14SD-□□D
8Y254-81S17SD-□□S
8Y254-81S17SD-□□D
8Y254-101S21SD-□□S
8Y254-101S21SD-□□D
8Y254-108S28SD-□□S
8Y254-108S28SD-□□D
8Y254-120S28SD-□□S
S
Recommended
Travel
5.3
0.7
1.0
6.4
1.0
1.3
7.4
1.0
1.4
8.1
1.1
1.7
10.1
1.6
2.1
10.8
1.8
2.4
12.0
2.0
2.8
A:Initial
height
Plunger
Initial
height
(travel)
8Y254-120S28SD-□□D
S
Full
Travel
Line
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Single
Dual
Single
Dual
（Pin P/N)
8Y254-H57S14-SD
8Y254-H64S14-SD
8Y254-H74S14-SD
8Y254-H81S17-SD
8Y254-H101S21-SD
8Y254-H108S28-SD
8Y254-H120S28-SD
Full travel
Product table
A
PC Board
Barrel
Spring
How to use
Guide
PC Board
Device
etc
8Y254-120S28SD-□□S
Current rating table
(Case of Temperature Rise=30℃)
Spacer
Positions
4
6
8
10
12
Spacer
Current rating/1Pin　A
4.0
3.4
3.0
2.6
2.0
PC Board
Affected by current rating of mounting board's conductor part.
5A4
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www.jccherry.com
8Y254 Series Right Angle Connectors for Spring Probe
2.54mm pitch
Specifications
Dielectric strength
Insulation resistance
Contact resistance
Durability
Capacitance
Operating temperature
Materials
Insulator
Barrel
Plunger
Spring Coil
:
AC300Vrms 1minute
:
1000MΩmin
: 50mΩmax *
:
100,000 cycles min
:
1pF max
:　-45℃～+160℃
:
:
:
:
High temp.thermoplastic
Brass,　Au plating over Ni
Brass, Au plating over Ni
Stainless steel,Au plating
How to order
8Y254
- 64S28
RA
- 04 S
S : Single in line
Right Angle
Number of positions : P
Single in line : 02,03,04,06,07,08,09,10,12
Regarding other number of positions, please feel free to ask us.
Single in line
2.54xP
(1.27)
2.54x(P-1)
(1.27)
8
4.5
2.54max
3.5
2.8
(R1.24)
φ1.53
φ1.05
2.0
Soldering
2.48
PC Board
2
Probe Pin P/N
8Y254-H108S28-RA
Full travel 2.8mm
0.78N(80gf) at 2.0mm travel(recommended travel)
1.8
2.54x(P-1)
PC Board
Layout
8Y254-64S28RA-□□S
Current rating table
(Case of Temperature Rise=30℃)
7.3
Positions
4.5
4
6
8
10
12
4.0
ｸﾘｰﾑﾊﾝﾀﾞ塗布ｴﾘｱ
ﾒﾀﾙﾏｽｸ厚　100μm typical
1.7
Current rating/1Pin A
4.0
3.4
3.0
2.6
2.0
Affected by current rating of mounting board's conductor part.
*In case of Gold plated PC board land or Gold plated metal
for the mating surface.
*At recommended stroke and Static contacting to the
target. (The target shall be motionless.)
5A5
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www.jccherry.com
8Y254 Series Spring Probe Pins
Specifications
Contact resistance
Durability
Operating temperature
:
:
:
Materials
Barrel
Plunger
50mΩmax *
100,000 cycles min
-45℃～+160℃
:
:
Spring Coil
8Y254-H53S10-SM
8Y254-H53S10-SD
:
8Y254-H64S14-SD
Full travel 1.0mm
0.98N(100gf) at 0.7mm travel
(recommended travel)
Brass,　Au, over Ni
Brass, Au plating over Ni
over Ni plating
Stainless steel,Au plating
8Y254-H64S14-SM
Full travel 1.3mm
0.98N(100gf) at 1.0mm travel
(recommended travel)
8Y254-H120S28-SM (Page 5A9)
Temperature Rise (Reference)
120
100
80
℃
60
40
*In case of Gold plated PC board land or Gold plated metal
for the mating surface.
*At recommended stroke and Static contacting to the
target. (The target shall be motionless.)
20
0
2
4
6
8
10
Current(Amps)
5A8
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www.jccherry.com
8Y254 Series Spring Probe Pins
8Y254-H74S14-SD
8Y254-H81S21-SD
8Y254-H74S14-SM
Full travel 1.4mm
0.98N(100gf) at 1.0mm travel(recommended travel)
8Y254-H101S21-SD
8Y254-H81S21-SM
Full travel 1.7mm
0.88N(90gf) at 1.1mm travel(recommended travel)
8Y254-H101S21-SM
8Y254-H108S28-SD
Full travel 2.1mm
0.98N(100gf) at 1.6mm travel(recommended travel)
8Y254-H108S28-SM
Full travel 2.4mm
0.98N(100gf) at 1.8mm travel(recommended travel)
8Y254-H120S28-SD
8Y254-H120S28-SM
Full travel 2.8mm
0.98N(100gf) at 2.0mm travel(recommended travel)
5A9