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Select Map of Narrow Pitch Connectors

This page summarizes the board-to-FPC / narrow-pitch connectors. On this page, you can choose the best connector for use, size and current rating. Feel free to contact us for technical questions.

Please choose the connector type that suits your needs from the following connector types. By selecting a connector type, this allows you to compare connector specs by type.

Standard Type
Battery Type
High Speed Type

Standard Type Select Map

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Select map of standard type connectors.
Step 1: Select the desired connector pitch/stacking height combination from the table below. The number of applicable connectors is shown.
Step 2: For series with multiple pitch/stacking height combinations, compare specs and choose the connector that is closest to your needs.

Height, Pitch 0.3  0.35 0.4 
0.5 2 Series  
0.6 4 Series 1 Series
0.7
0.8   1 Series 1 Series
0.9    
1.0     1 Series
1.5～4.0     1 Series
Size description

Pitch=0.3, Height=0.5

Series Product Width (mm) Signal Pin Core Count Power Supply Terminal Current Value (A/pin)

Length Dimension (mm)
BM55 Series 1.5 2 5.0 Ln+2.46
BM55 Series
BK10 Series 1.7 30 5.0 Ln+2.95
BK10 Series

*1: Power pins are 2 pins     *2: Ln = pitch x number of cores/2

Pitch=0.35, Height=0.6

Series Product Width (mm) Signal Pin Core Count Power Supply Terminal Current Value (A/pin) Length Dimension (mm)
BK13 Series 1.9 10, 24, 32, 40, 50, 60 5.0 Ln+2.6
BK13 Series
BM28 Series 1.7 6, 10, 16, 18, 20, 24, 30, 34, 36, 40, 44, 46, 50, 58, 60 5.0 Ln+2.95
BM28 Series
BM29 Series 1.5 2, 4, 6, 12, 24 3.0 Ln+2.46
BM29 Series
BM23FR Series 1.98 10, 14, 20, 24, 30, 40, 42, 44, 46, 50, 54, 64   Ln+2.85
BM23FR Series

*1: Power pins are 2 pins     *2: Ln = pitch x number of cores/2

Battery Type Select Map

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Select map of battery type connectors. Compare the specs and choose the connector that's closest to your needs.

Size description

Pitch=0.35, Height=0.6

Series Product Width (mm) Signal Pin Core Count Power Supply Terminal Current Value (A/pin) Length Dimension (mm)
BM50 Series 2.0 4 15 Ln+4.15
BM50 Series
BM29 Series 1.5 2, 4, 6, 12, 24 3.0 Ln+2.46
BM29 Series

*1: Power pins are 2 pins     *2: Ln = pitch x number of cores/2

Pitch=0.4, Height=0.7

Series Product Width (mm) Signal Pin Core Count Power Supply Terminal Current Value (A/pin) Length Dimension (mm)
BK22 Series 2.3 4.6 15 Ln+4.6
BK22 Series
BM25 Series 2.6 4 10 Ln+4.6
BM25 Series

*1: Power pins are 2 pins     *2: Ln = pitch x number of cores/2

High Speed Type Select Map

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Select map for high-speed type (high-speed transmission) connectors. Compare the specs and choose the connector that's closest to your needs.

Size description

Pitch=0.35, Height=0.6

Series Product Width (mm) Signal Pin Core Count RF Signal Characteristic Length Dimension (mm)
BM56 Series 2.2 10 V.S.W.R
0～1GHz：1.2MAX
1～6GHz：1.3MAX
6～20GHz：1.5MAX		 Ln+1.94
BM56 Series
BM46 Series 2 12 V.S.W.R
0～3GHz：1.3MAX
3～6GHz：1.4MAX
6～12GHz：1.6MAX		 Ln+2.74
BM29 Series

*Ln = pitch x number of cores/2

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