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Micro Miniature Compression Spring 2mm OD for PCB Switches Custom Rate
We specialize in manufacturing ultra-precise miniature compression springs with outer diameters from 1.2-4mm and wire diameters from 0.08-0.3mm. Our custom spring solutions are ideal for PCB switches, tactile feedback mechanisms, battery contacts, and micro valves in compact electronic devices.
Compression Spring Overview
For compact devices like smartphones, TWS earbuds, and smartwatches, dimensional tolerance and force consistency of micro springs directly determine button feel and electrical contact reliability. Our Japanese high-precision computer-controlled spring formers with fine wire tension control achieve ±0.01mm OD repeatability for exceptional consistency.
We employ 100% CCD vision inspection specifically for micro springs, automatically measuring OD, free length, and coil count while rejecting any tangled or deformed springs. For automated placement, we offer tape-and-reel packaging directly compatible with SMT lines. Our engineering team provides design optimization to achieve target force within limited space constraints.
Features & Advantages
Feature
Advantage to You
Ultra-fine wire capability (0.08mm)
Manufacture springs as small as 1.2mm OD for the tightest spaces
100% CCD Optical Sorting
Ensures every spring is dimensionally correct and tangle-free, preventing assembly line jams
Tape & Reel Packaging (SMT Compatible)
Directly feed into pick-and-place machines, boosting production efficiency
Custom Spring Rate
Precisely calculate wire diameter and coil count per your button force or contact pressure requirement
48hr Rapid Sampling
Micro springs also benefit from fast sampling to accelerate prototype validation
Technical Specifications
Specification Item
Detail / Capability
Notes / Description
Min Wire Diameter
0.08mm (±0.003mm)
Music wire or SUS304
Min Outer Diameter
1.2mm (±0.02mm)
1.5mm+ recommended for stable production
Min Free Length
1.5mm (±0.1mm)
Very short springs require evaluation
Spring Rate
0.01 - 5 N/mm
Calculated per load
Recommended Coils
3 - 15
Fewer coils may cause unstable rate
End Type
Closed not ground (std) / Closed & ground (opt)
Micro springs generally not ground
Packaging
Tape & reel / Anti-static tube / Bulk
Reel orientation customizable
Sample Lead Time
48-72 hours
Depending on complexity
Applications
Smartphones & Wearables: Tactile feedback springs for side keys and power buttons; battery contact springs for earbud charging cases
Micro Switches & Relays: Return springs for tactile switches, toggle switches, and micro signal relays
Frequently Asked Questions
Can you handle complex custom designs and provide design optimization suggestions?
Absolutely. This is our core expertise. We provide free DFM analysis within 3-5 days, often helping clients achieve 15-30% cost reduction through design for manufacturability.
How do you ensure quality consistency and handle defect issues?
We implement a rigorous 4-stage QC system with 100% full inspection. Our track record shows 99.99% qualification rate.
What are your lead times and how do you handle urgent orders?
Standard lead times: 3-7 days for prototypes, 7-15 days for mass production. We offer VIP prioritization cutting lead times by up to 30%.
Will I get timely responses and professional support throughout the project?
Yes. You get a 1v1 exclusive consultant with 1-hour initial response commitment and 24-hour technical support.
Can you provide material certifications and environmental compliance reports?
Yes. We provide material certifications and environmental test reports (RoHS, REACH compliant) upon request.
How do you protect my designs and intellectual property?
We start with mutual NDA and implement strict mold ownership protection and confidential data security measures.
What are your payment terms and MOQ requirements?
We offer flexible payment terms (T/T, L/C at sight) and MOQ from 1 piece for prototyping.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
the year20
Total Annual:
20000000-30000000
Employee Number:
60~70
Ecer Certification：
Verified Supplier
Company Profile
Tingfeng Hardware — Your Partner for High-Precision Non-Standard Components
Since 2010, with 15 years of dedication, we focus on one mission: solving your “un-makeable, small-batch, urgent, and difficult” non-standard part manufacturing challenges.
Core Streng... Company Profile
Tingfeng Hardware — Your Partner for High-Precision Non-Standard Components
Since 2010, with 15 years of dedication, we focus on one mission: solving your “un-makeable, small-batch, urgent, and difficult” non-standard part manufacturing challenges.
Core Streng...
