SMD / EMI · Type C Spring Contact

Type C
- 05

C-type SMD spring contact for PCB surface mount grounding and EMI shielding. Tape-and-reel packaged for automated SMT pick-and-place assembly — reliable contact force with consistent electrical performance.

TYPE C - 05 SMD Spring Contact — gold-plated
Product Features

Key Characteristics

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SMT Compatible

Tape-and-reel packaged for automated SMT pick-and-place — compatible with standard reflow soldering processes and production lines.

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EMI Shielding

C-type spring profile delivers reliable electrical contact between PCB pad and metal enclosure for consistent EMI suppression performance.

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PCB Grounding

Provides a low-resistance grounding path from PCB to chassis or housing — the spring returns the same contact force at a given working height, without taking a permanent set.

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Spring Contact Force

Precision-formed spring geometry ensures consistent contact force against the mating surface for reliable electrical continuity.

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Compact Profile

Low-profile C-type geometry suited to space-constrained PCB layouts where board-to-housing clearance is limited.

Technical Data

Specifications

Item number BC05-20035035G-SY BC05-25030040G-SY BC05-25040050G-SY BC05-20047057G-SY
Thickness 0.1 mm 0.1 mm 0.1 mm 0.1 mm
Width 2.0 mm ± 0.2 2.5 mm ± 0.2 2.5 mm ± 0.2 2.0 mm ± 0.2
Length 3.5 mm ± 0.2 3.0 mm ± 0.2 4.0 mm ± 0.2 4.7 mm ± 0.2
Height 3.5 mm ± 0.2 4.0 mm ± 0.2 5.0 mm ± 0.2 5.7 mm ± 0.2
Basic Material Beryllium Copper (BeCu) Beryllium Copper (BeCu) Beryllium Copper (BeCu) Beryllium Copper (BeCu)
Plating Gold-plating Gold-plating Gold-plating Gold-plating
Standardly, SMD springs are gold-plated. Other plating are possible:
G = Gold-plated    S = Tin-plated
Product Sample

Product Reference

TYPE C - 05 (BC05-20035035) dimensional drawing: isometric, front and top views with overall size 3.5 x 2.0 x 3.5 mm, 0.1 mm gold-plated beryllium copper and a 0.63 mm base hole, plus mechanical and product data tables
BC05-20035035 · 3.5 × 2.0 × 3.5 mm
⇩ Download CAD (STEP) ⇩ Download Drawing (PDF)
TYPE C - 05 (BC05-25030040) dimensional drawing: isometric, front and top views with overall size 3.0 x 2.5 x 4.0 mm, 0.1 mm gold-plated beryllium copper and a 1.00 mm base hole, plus mechanical and product data tables
BC05-25030040 · 3.0 × 2.5 × 4.0 mm
⇩ Download CAD (STEP) ⇩ Download Drawing (PDF)
TYPE C - 05 (BC05-25040050) dimensional drawing: isometric, front and top views with overall size 4.0 x 2.5 x 5.0 mm, 0.1 mm gold-plated beryllium copper and a 0.63 mm base hole, plus mechanical and product data tables
BC05-25040050 · 4.0 × 2.5 × 5.0 mm
⇩ Download CAD (STEP) ⇩ Download Drawing (PDF)
TYPE C - 05 (BC05-20047057) dimensional drawing: isometric, front and top views with overall size 4.7 x 2.0 x 5.7 mm, 0.1 mm gold-plated beryllium copper, a 0.70 mm base end flange and a 0.62 mm base hole, plus mechanical and product data tables
BC05-20047057 · 4.7 × 2.0 × 5.7 mm
⇩ Download CAD (STEP) ⇩ Download Drawing (PDF)
Also Available

Other Type C Variants

TYPE C - 01
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TYPE C - 02
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TYPE C - 03
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TYPE C - 04
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TYPE C - 06
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TYPE C - 07
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TYPE C - 08
→
TYPE C - 09
→
TYPE C - 10
→
TYPE C - 11
→
TYPE C - 12
→
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