Mylar Screen Cable Weight and Dimensions: A Practical Guide for Makers and Engineers

Overview: what is Mylar screen cable and why dimensions matter

Mylar screen cable (sometimes called Mylar-shielded ribbon or polyimide-backed cable depending on construction) is widely used where a thin, flexible screened cable is needed for low-profile assemblies, displays, and sensor cabling. This guide explains how to interpret and measure Mylar screen cable weight and dimensions, and how those properties affect bend radius, connector choice, and mounting in enclosures. Practical examples use South African contexts such as student projects, lab prototypes and small-run production where local availability and branch pickup may affect choices.

Key dimension terms

• Conductor pitch - centre-to-centre spacing between adjacent conductors, typically in mm (e.g., 0.5 mm, 1.0 mm).
• Overall width - the full width of the ribbon including foil/Mylar shield and edge margins.
• Thickness - overall cable thickness, including insulation and shielding layer, often under 1 mm for Mylar-based constructions.
• Screen/Shield layer - foil or conductive coating applied to Mylar that provides EMI reduction; affects thickness and weight.
• Length - run length influences total weight; cable sold by metre or custom-cut lengths.

Typical dimension ranges and examples

Exact values vary by manufacturer and construction. Below is a compact comparison table representative of common Mylar ribbon/screen cable options used in maker and education projects.

Notes: weights are indicative and expressed as grams per metre (g/m). For South African procurement and BOMs, convert consumption into ZAR per metre using current supplier pricing and include VAT where applicable.

For product browsing, explore related cable and shielded ribbon ranges on Communica's collections page or search by brand on the shop-by-brand page to identify supplier datasheets before ordering.

Browse cable and ribbon collections • Search by brand

Measuring weight and converting to purchase quantities

To estimate weight for shipping or mechanical support, measure the cable length and multiply by the manufacturer-stated g/m. Example: a 2.5 m length of standard Mylar flex at 12 g/m yields 30 g total (2.5 × 12 = 30 g). For multiple runs, sum each run's length. When creating a purchase order, include expected waste (typically 5-10%) and request a VAT invoice for education or procurement teams.

Internal link: branch pickup and stock checks

If you need same-day collection or to confirm exact pitch and shield type, check stock levels at Communica branches and trading hours: Branches & Trading Hours.

Standards, selection criteria and practical checks

When selecting Mylar screen cable for a project, consider these practical factors: conductor pitch for connector compatibility, thickness for insertion force, screen type for EMI needs, and weight for strain relief and mounting. Use datasheets to confirm mechanical properties such as minimum bend radius and recommended soldering or crimping methods.

Connector and pitch compatibility

Match the cable pitch to the mating connector: a 0.5 mm pitch ribbon requires a connector rated for 0.5 mm. If a connector is not available locally, consider adapters or custom cable-to-board terminations. For displays and FPC-style ends, check the end treatment (exposed pads, reinforced tail) to ensure reliable insertion.

Simple wiring diagram (ASCII) for a screened ribbon

  Connector side view (pins 1..n)  +---------------------------------+  | 1 2 3 4 5 6 7 8 ... n           |  | o o o o o o o o ... o           |  +---------------------------------+  Screen/foil surrounds conductors and is grounded to chassis at connector shell or separate drain wire.

Calculations and examples

Use these simple formulas for planning:

• Total weight = length (m) × weight per metre (g/m)
• Estimated cost = length (m) × unit price (ZAR/m) + VAT (15%) - include waste allowance.

Example: a lab needs 12 metres of 1.0 mm pitched Mylar ribbon at an estimated 14 g/m and a supplier price of R45/m. Total material weight = 12 × 14 = 168 g. Material cost = 12 × R45 = R540; add VAT (R81) = R621 (estimate). Prices are illustrative - check current stock and pricing on Communica's product listings.

See all product categories to compare cable accessories such as strain reliefs, adhesives and connector housings available locally.

Troubleshooting common issues

• Intermittent connections: inspect end treatment for torn pads and re-terminate or reinforce with Kapton tape or a crimp-style terminal.
• Excessive stiffness: check for heavier shield layers or multi-layer constructions; choose thinner variants for tight bends.
• EMI problems: ensure the screen is properly grounded at one point (usually chassis) and avoid running cable parallel to noisy power traces.

Practical procurement advice for South Africa

For makers and procurement teams, verify stock before commuting. Communica maintains a wide range of components and offers branch pickup from Samrand and other locations - useful for urgent education lab needs and rapid prototyping. For larger orders or repeated buys, request a quote and VAT invoice to simplify institutional procurement.

Learn more about Communica’s background and distribution footprint to plan orders and account setup: About Communica.

Quick checklist before ordering

• Confirm pitch and connector type against datasheet.
• Check thickness and minimum bend radius for your enclosure.
• Calculate total length, weight and add 5-10% waste.
• Verify local stock and request a VAT invoice for institutional purchases.

Sources

• Flexible flat cable (overview) - Wikipedia
• DuPont flex and FPC materials - manufacturer technical guidance
• Communica product collections - browse cables and accessories
• Communica branches & trading hours - local pickup and stock checks