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SMT Contact Spring

SMT Contact Spring

Product Name : SMT Contact Spring

Product Description

Surface automatic mount grounding spring (SMT Contact Spring) to be used in a variety of applications from the Smart Phone, Tablet PC, Notebook, GPS to wireless base station and power amplifier, SMT Contact Spring can also be used in the radio frequency applications, such as an antenna are used and connected to each other, resulting in reduced signal reflection and electromagnetic interference (EMI) protection. Especially in recent years, a variety of product features and power speed enhancements, making the electromagnetic compatibility and electrostatic protection by the extreme attention in the mobile or handheld information products, such as Smart Phone, Tablet PC, NB, Wi-Fi camera and flash drives and other products of increasingly stringent safety regulations.
Product Benefits
Normalized design, save design time and tooling costs
Cheap price, the normalized mass production Small size, light weight, safety stock, available for immediate delivery
Gold plated surface, high temperature resistance, high voltage, ultra-low resistance. Anti-hook, a foolproof design, not easy to deformation and fracture
EIA standardized material with packaging, high production efficiency.
Product Features
Material: beryllium copper, phosphor bronze, titanium copper, SUS#301 or 304…
Hardness: HV300-340 / HV360-410
Surface Plating: Au Plate (1 μ”)
Volume Resistance: ≦ 0.005ohm / sq.in at 500gf
PCB Adhesion: 2-4 kgf
Circle Time: 30% compression, 1,000 times compression fatigue test without deformation
RoHS & GP & Reach Compliant
Product Details
In the manufacture of molds before, 3D drawing software can be more accurate simulation of the actual situation, at any time amends the product's features and specifications. X-Ray perspective, plating layer analysis and N2 re-flow simulation tests, can effectively improve product reliability

EIA standardized material with packaging, high production efficiency.

Normalized design, save design time and tooling costs

Application Examples


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  Part Number Specifications Unit : mm
SME SERIES Part No. H L W T Part No. H L W T
SME-0025A-H 2.50 2.50 2.00 0.10 SME-0062A-H 6.20 3.80 2.00 0.10
SME-0030A-H 3.00 3.00 2.00 0.10 SME-0070A-H 7.00 4.50 2.00 0.10
SME-0035A-H 3.50 3.00 2.00 0.10 SME-0085A-H 8.50 5.50 3.00 0.10
SME-0038A-H 3.80 3.00 2.00 0.10 SME-0100A-H 10.0 5.50 3.00 0.10
SME-0042A-H 4.20 3.50 2.00 0.10 SME-30315A-H 3.00 3.00 1.50 0.10
SME-0048A-H 4.80 3.50 2.00 0.10 SME-35315A-H 3.50 3.00 1.50 0.10
SME-0055A-H 5.50 3.80 2.00 0.10 SME-38315A-H 3.80 3.00 1.50 0.10
Recommended Minimum Compression : 15% Recommended Maximum Compression : 40%

STG SERIES Part No. H L W T Part No. H L W T
STG-253220A-H 2.50 3.20 2.00 0.08 STG-555025A-H 5.50 5.00 2.50 0.12
STG-313720A-H 3.10 3.70 2.00 0.08 STG-605525A-H 6.00 5.50 2.50 0.12
STG-404525A-H 4.00 4.50 2.50 0.10 STG-635525A-H 6.30 5.50 2.50 0.12
STG-454525A-H 4.50 4.50 2.50 0.10 STG-705525A-H 7.00 5.50 2.50 0.12
STG-505025A-H 5.00 5.00 2.50 0.12 STG-755525A-H 7.50 5.50 2.50 0.12
Recommended Minimum Compression : 15% Recommended Maximum Compression : 40%

SML SERIES Part No. H L W T Part No. H L W T
SML-0006A 0.60 3.00 1.00 0.08 SML-0017A-H 1.70 3.50 2.00 0.08
SML-0008A 0.80 3.00 1.00 0.08 SML-123510A-H 120 3.00 1.00 0.08
SML-0012A 1.20 3.50 2.00 0.08 SML-153510A-H 1.50 3.50 1.00 0.08
SML-0015A-H 1.50 2.60 1.50 0.08 SML-183510A-H 1.70 3.50 1.00 0.08
Recommended Minimum Compression : 20% Recommended Maximum Compression : 35%

SMZ SERIES Part No. H L W T Part No. H L W T
SMZ-0017A-H 1.70 3.00 2.00 0.08 SMZ-0030SA 3.00 3.00 2.00 0.10
SMZ-0020A-H 2.00 3.00 2.00 0.06 SMZ-20315SA 2.00 3.00 1.50 0.10
SMZ-0020SA 2.00 3.00 2.00 0.10 SMZ-25315SA 2.50 3.00 1.50 0.10
SMZ-0025SA 2.50 3.00 2.00 0.10 SMZ-30315SA 3.00 3.00 1.50 0.10
Recommended Minimum Compression : 30% Recommended Maximum Compression : 50%

BCF SERIES Part No. H L W T Part No. H L W T
BCF-20215A-H 2.00 2.50 1.50 0.10 BCF-40420A-H 4.20 4.20 2.00 0.10
BCF-25215A-H 2.50 2.60 1.50 0.08 BCF-42425A-H 4.20 4.20 2.50 0.10
BCF-22425A-H 2.20 3.60 1.50 0.10 BCF-48320A-H 4.80 3.70 2.00 0.10
BCF-30315A-H 3.00 3.00 1.50 0.10 BCF-48425A-H 4.80 4.50 2.00 0.10
BCF-30320A-H 3.00 3.00 2.00 0.10 BCF-55425A-H 5.50 4.00 2.50 0.10
BCF-35425A-H 3.50 4.00 2.50 0.10 BCF-70525A-H 7.00 4.80 2.50 0.10
BCF-40320A-H 4.00 3.00 2.00 0.10 BCF-150760A-H 15.0 7.00 6.00 0.10
Recommended Minimum Compression : 15% Recommended Maximum Compression : 35%

SMR SERIES Part No. L W H Part No. L W H


SMR-151501A 1.50 1.50 0.10 SMR-602803A 6.00 2.80 0.30
SMR-281801A 2.80 1.80 0.10 SMR-202004A 2.00 2.00 0.40
SMR-301501A 3.00 1.50 0.10 SMR-301604A 3.00 1.60 0.40
SMR-302001A 3.00 2.00 0.10 SMR-302004A 3.00 2.00 0.40
SMR-3512501A 3.50 1.25 0.10 SMR-303004A 3.00 3.00 0.40
SMR-352501A 3.50 2.50 0.10 SMR-161405A 1.60 1.40 0.50
SMR-503001A 5.00 3.00 0.10 SMR-402305A 4.00 2.30 0.50
SMR-1608015A 1.60 0.80 0.15 SMR-452005A 4.50 2.00 0.50
SMR-2516015A 2.50 1.60 0.15 SMR-452006A 4.50 2.00 0.60
SMR-3020015A 3.00 2.00 0.15 SMR-541706A 5.40 1.70 0.60
SMR-4030015A 4.00 300 0.15 SMR-702506A 7.00 2.50 0.60
SMR-4834015A 4.80 3.40 0.15 SMR-201508A 2.00 1.50 0.80
SMR-160802A 1.60 0.80 0.20 SMR-341708A 3.40 1.70 0.80
SMR-191402A 1.90 1.40 0.20 SMR-221510A 2.20 1.50 1.00
SMR-202003A 2.00 2.00 0.30 SMR-3020134A 3.00 2.00 1.34
SMR-321603A 3.20 1.60 0.30 SMR-302015A 3.00 2.00 1.50
SMR-503003A 5.00 3.00 0.30 SMR-252520A 2.50 2.50 2.00
Recommended Minimum Compression : N/A Recommended Maximum Compression : N/A

Product Code Example-1
SME-    30      3     15      A  -    H
[1][2][3][4][5][6]                 
[1]Type Series
[2]3.0mm_Height
[3]3.0mm_Length
[4]1.5mm_Width
[5]Plating_A-Au T-Tin
[6]H- Hole in the bottom
Product Code Example-2
STG -    31      37     20      A  -    H
[1][2][3][4][5][6]                 
[1]Type Series
[2]3.1mm_Height
[3]3.7mm_Length
[4]2.0mm_Width
[5]Plating_A-Au T-Tin
[6]H- Hole in the bottom
Customized Product Specifications
SMT-004A-H
 
SMT-013A
 
SMT-014A-H
 
SMT-016A-H
 
SMT-017A
 
SMT-018A
 
SMT-034ST
 
SMT-037A
 
SMT-038ST
 
SML-0055A-H
 
SMD-183510A
 
SMD-213510A
 
SMK-083015A-H
 
SME-0035A-C
 
SME-0042A-C
 
SMD-0042A-H
 
SMR-033216A
 
SMR-105013A
 
UTF-037A-H
 
SMT-002BA
           
There are more samples, please feel free to ask us.

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