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2.54mm pitch
8Y254 Series Spring Probes,SMT type
Specifications
Dielectric strength
Insulation resistance
Contact resistance
Capacitance
Current rating at 25℃
Durability
Operating temperature
:
:
:
:
:
:
: 4A
Material
Insulator
Barrel
Plunger
Spring　AC300Vrms 1minute
1000MΩmin
50mΩmax *
1pF max
DC4.0A continuous *
100,000 cycles
-45℃～+130℃
:
:
:
:
High temp.thermoplastic
Brass,　Au, over Ni
Brass, Au over Ni
Copper alloy
How to order
8Y254
- 56
SM -
12 S
S : Single in line
D : Dual in line
See next page
B:Set height
ｾｯﾄ高さ
A:Initial
height
初期高さ
Plunger
PCB
Barrel
Call us for your custom specification.
Full stroke
ﾌﾙｽﾄﾛｰｸ
1.4
(stroke 0.9mm
ｽﾄﾛｰｸ)
Number of positions : P
Single in line : 02～12
Dual in line
: 06～20
(even number)
Surface mount
Spring
Current rating table 定格電流値表
Positions　通電極数
How to use
Spacer
Spacer
B:Set height
ｾｯﾄ高さ
Guide
PCB
DEVICE
etc
4
6
8
10
12
Current rating/1Pin　定格電流
A
4.0
3.4
3.0
2.6
2.0
注1.実装基板の導体部の定格電流の影響を受けます
*In case of Gold plated PCB land or Gold plated metal
for the mating surface.
PCB
*接触する対象が金ﾒｯｷの基板、又は金ﾒｯｷの金属の場合です
5A1
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ｽﾌﾟﾘﾝｸﾞﾌﾟﾛｰﾌﾞ
8Y254 Series Spring Probes,SMT type
2.54mm pitch
Single in line
PC board layout
2.54xP
2.54x(P-1)
2.54x(P-1)
(1.27)
2.5max
(1.27)
2.54
∅2
A:Initial
height
2
C
F
B:Set height
1.53
φ1.7
Dual in line
PC board layout
(2.54xP/2)
2.54x(P/2-1)
2.54
5.08max
2.54
2.54x(P/2-1)
2.54
φ1.53
∅2
A:Initial
height
B:Set height
2
C
F
φ1.05
φ1.7
Product table
P/N
8Y254-49SM-□□S
8Y254-49SM-□□D
8Y254-56SM-□□S
8Y254-56SM-□□D
8Y254-66SM-□□S
8Y254-66SM-□□D
8Y254-92SM-□□S
8Y254-92SM-□□D
8Y254-109SM-□□S
8Y254-109SM-□□D
Line
Single In Line
Dual In Line
Single In Line
Dual In Line
Single In Line
Dual In Line
Single In Line
Dual In Line
Single In Line
Dual In Line
A
B
Initial
height
初期高さ
Set
height
ｾｯﾄ高さ
5.3
4.8
6.4
5.6
S
Stroke
ｽﾄﾛｰｸ
0.5
:mm
C
Barrel
height
ﾊﾞﾚﾙ高さ
4.3
Load
荷重
F:Full
stroke
0.54N/55gf
1.0
0.54N/55gf
1.4
5.0
0.8
(Pin)
8Y254-BE-H53S10-SMT
8Y254-BE-H64S14-SMT
7.4
6.6
10.1
8.9
1.2
8.0
0.49N/50gf
2.1
8Y254-BE-H101S21-SMT
12.0
10.3
1.7
9.2
0.54N/55gf
2.8
8Y254-BE-H120S28-SMT
6.0
5A2
8Y254-BE-H74S14-SMT
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8Y254 Series Spring Probes,Solder dip type
How to order
8Y254 - 56
SD -
12
2.54mm pitch
S
See next page
S : Single in line
D : Dual in line
Solder dip
B:Set height
ｾｯﾄ高さ
A:Initial
height
初期高さ
Plunger
PCB
Barrel
Full stroke
ﾌﾙｽﾄﾛｰｸ
1.4
(stroke 0.9mm
ｽﾄﾛｰｸ)
Number of positions : P
Single in line : 02～12
Dual in line : 06～20
(even number)
Spring
How to use
Current rating table 定格電流値表
Spacer
Positions　通電極数
B:Set height
ｾｯﾄ高さ
Spacer
PCB
A
4.0
3.4
3.0
2.6
2.0
注1.実装基板の導体部の定格電流の影響を受けます
PC Layout
2.54xP
2.54x(P-1)
(1.27)
2.54x(P-1)
2.5max
(1.27)
∅0
(2.54xP/2)
.6
5
2.54x(P/2-1)
2.54
5.08max
2.54x(P/2-1)
φ
A:Initial
height
2.5
B:Set height
2
C
F
φ1.53
F
Current rating　定格電流
4
6
8
10
12
φ0.52
5A3
0.
65
2.54
Guide
PCB
DEVICE
etc
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ｽﾌﾟﾘﾝｸﾞﾌﾟﾛｰﾌﾞ
8Y254 Series Spring Probes,Solder dip type
A
Product table
Initial
height
P/N
Line
8Y254-56SD-□□S
8Y254-56SD-□□D
8Y254-66SD-□□S
8Y254-66SD-□□D
Single In Line
Dual In Line
Single In Line
Dual In Line
B
2.54mm pitch
S
Set
Barrel
Stroke
height
height
初期高さｾｯﾄ高さｽﾄﾛｰｸﾊﾞﾚﾙ高さ
6.4
6.6
5A4
Load
荷重
F:Full
stroke
5.0
5.6
6.0
(Pin)
8Y254-BE-H64S14-SD
0.54N/55gf
0.8
7.4
:mm
C
1.4
8Y254-BE-H74S14-SD