LZ614 is a unique transparent 8mm carrier tape engineered for 3528-2 series SMD LEDs, widely used in mini backlights, automotive interior lights and smart indicator modules. Unlike conventional black opaque carrier tapes that require cover tape removal for component inspection, LZ614 uses high-clarity virgin PC material to deliver full visibility of LED placement, tilt and surface defects directly through the tape body.
The upgraded 0.25mm thick transparent base enhances flatness and anti-warp performance, solving the curling issue common to thin transparent tapes after long reel stacking. The deep 2.05mm cavity fully wraps the medium-height 3528-2 lamp beads to avoid extrusion and pick failure during high-speed SMT placement, while the standard 1.00° demolding angle balances stable mold forming and smooth component ejection. All dimensions comply with global EIA-481 carrier tape industry standards, compatible with all mainstream 8mm taping and pick-and-place machines worldwide.
Complete Technical Parameter Table
| Parameter Name | EIA-481 Tolerance (mm) | LZ614 Custom Value (mm) | Production Practical Benefit |
|---|---|---|---|
| W Tape Width | 8±0.10 | 8 | Universal narrow width fits all global 8mm automated taping equipment, zero equipment refitting cost |
| P1 Feed Hole Pitch | 4±0.10 | 4 | Standard 4mm sprocket pitch delivers consistent traction, eliminates tape skip and jamming during non-stop mass production |
| T Base Thickness | 0.25±0.02 | 0.25 | Thickened transparent PC boosts rigidity, resists bending deformation after thousands of winding layers |
| A0 Cavity Width | 2.95±0.05 | 2.95 | Precision matched horizontal width of 3528-2 LED, restricts left-right chip offset |
| B0 Cavity Length | 3.65±0.05 | 3.65 | Custom cavity length locks the full outline of 3528-2 lamp beads to prevent front-back sliding |
| K0 Cavity Depth | 2.05±0.05 | 2.05 | Deep cavity accommodates medium-height LED body, ensures full suction nozzle contact to lower empty pick rate |
| D1 Draft Angle | 1.00 | 1.00 | Balanced demolding angle reduces mold adhesion rate during mass forming and guarantees easy chip pickup |
Core Competitive Advantages
- Full Transparent PC for Zero-Waste Visual QC: Operators and AI vision systems can inspect component position and defects without tearing cover tape, drastically reducing cover tape consumption and inspection labor cost.
- 0.25mm Thickened Clear Substrate: Solves the inherent softness and curling defects of thin transparent carrier tapes, maintaining consistent flatness for long-shift automated production.
- Exclusive Deep Cavity for 3528-2 LEDs: 2.05mm moderate depth fully protects medium-height lamp beads from surface scratch and extrusion damage during transit and assembly.
- Food-Grade High-Clarity Virgin PC Raw Material: No haze or yellowing after long-term storage, stable transparency throughout the entire component storage cycle.
- One-Stop Supporting Packaging Accessories: Matching transparent anti-static cover tape and standard 8-inch plastic reels available in single order, fast mold revision for customized 3528 variant sizes.
Main Application Scenarios
- 3528-2 SMD LEDs for LCD mini backlight, automotive ambient lights, wearable device indicator lights
- LED packaging factories with mandatory 100% inline visual inspection processes
- Mass production lines requiring frequent spot checks and low packaging material waste
Q&A Session
Q: What’s the biggest advantage of transparent LZ614 tape over black conductive tape for 3528 LED production?
A: Black carrier tapes block all visibility inside pockets; quality inspectors have to peel cover tape repeatedly to check components, wasting massive cover tape and slowing down workflow. LZ614’s fully clear body lets teams inspect component offset, missing beads and surface flaws instantly without damaging packaging materials, cutting production overhead significantly.
Q: Why use 0.25mm thick transparent PC instead of standard 0.20mm thin clear substrate?
A: Transparent PC has lower inherent rigidity than conductive black PC; thin 0.20mm clear tapes easily curl after long winding. The upgraded 0.25mm thickness improves structural toughness, keeping the tape flat during feeding and avoiding machine alarm downtime.
