March 21, 2023 | 3 min read

SMT Splice Tape Selection Guide: Width, Pitch, Feeder Compatibility, and How to Specify for Purchasing

SMT Splice Tape Selection Guide: Width, Pitch, Feeder Compatibility, and How to Specify for Purchasing

Summary

Choosing the right SMT splice tape is not only about adhesion. For stable passthrough and reliable indexing, you must match splicing materials to carrier tape width/pitch, carrier material, and feeder tolerances. Poor matching is a common cause of jams, mispicks, and inconsistent changeovers across shifts.

This guide provides a practical selection framework and a procurement-ready specification checklist.

Step 1: Identify Your Carrier Tape Width and Pitch

Most SMT lines work with multiple tape formats. The first requirement is to capture:

Width (common formats include 8 mm, 12 mm, 16 mm, 24 mm, and beyond)

Pitch (sprocket-hole spacing) and pocket geometry

Cover tape behavior (peel angle and peel force can affect stability around the splice)

Why it matters: if the splice or shim interferes with sprocket holes, or if thickness spikes exceed clearance, feeder stability will degrade.

SMT Splice Tape Selection Guide: Width, Pitch, Feeder Compatibility, and How to Specify for Purchasing

Step 2: Confirm Carrier Tape Material (Paper vs Plastic)

Carrier tape material influences adhesive performance and residue risk.

Capture:

paper carrier vs plastic carrier

surface energy and contamination risk (oil/dust)

whether the joint area is cleaned/controlled

Selection implication: choose a splice tape adhesive system that bonds consistently to your carrier type and supports stable peel behavior.

Step 3: Understand Feeder Tolerance and Speed

High-speed feeders have tight clearance zones. A splice can introduce:

local thickness peaks

stiffness changes

slight misalignment near holes

For critical lines, consider:

controlled thickness splice tape

shims/clips for joint stability

SMT Splice Tape Selection Guide: Width, Pitch, Feeder Compatibility, and How to Specify for Purchasing

splice tools/jigs for repeatable alignment

Step 4: Decide Between Single vs Double Splice Tape

Both types are used in production; the choice depends on mechanical stress and changeover discipline.

General guidance (application dependent)

Single splice tape: faster manual splicing, common for standard lines

Double splice tape: added security where tension is higher or where the splice zone is more demanding

Your validation should include: passthrough test, hole registration check, and residue inspection.

Step 5: When to Add Shims/Clips and Tools

Shims/clips and splice tools improve repeatability on:

higher speed lines

wider carrier tapes

builds where mis-pick near splice is costly

SMT Splice Tape Selection Guide: Width, Pitch, Feeder Compatibility, and How to Specify for Purchasing

Procurement Checklist: How to Specify Splice Tape Correctly

If purchasing only says “splice tape,” you may get inconsistent results. Use a procurement-ready spec that includes:

Required information

carrier tape width range used (e.g., 8–72 mm)

carrier material (paper/plastic)

intended use: single splice / double splice / ESD-safe (if required)

feeder type/model and typical line speed (if available)

packaging preference (roll length, dispenser type)

Recommended validation criteria

passthrough at feeder gate and guides

hole registration at the joint (visual check)

residue inspection after cycling

repeatability across operators (standard work)

SMT Splice Tape Selection Guide: Width, Pitch, Feeder Compatibility, and How to Specify for Purchasing

FAQ

Q1: What is the most common cause of splice-related feeder issues?

Thickness spikes, hole misalignment, and residue are the most frequent root causes—especially when materials are improvised or not matched to the carrier type.

Q2: Is double splice tape always better?

Not always. It can provide additional security, but validation should confirm passthrough and flatness for your feeder clearance.

Q3: Do I need ESD-safe splice tape?

Use ESD-safe materials when handling ESDsensitive components and when your ESD control program requires material controls.

Request Samples or a Bulk Quote

To recommend a compatible splicing solution, share:

tape width/pitch and carrier material

feeder model and line speed

your current failure mode (jam, mis-pick, residue)

monthly usage estimate and shipping country

Email: info@funsmt.com