PV Tabbing and Bus Ribbon |
 PV Tabbing Ribbon Info Sheet |
The State-of-the-Art Interconnect Solution for PV Module Manufacturers
Targray’s Premium PV Tabbing Ribbon is softer and smoother, with ultra-long durability, superb electrical conductivity and easy-to-tab workability. With its heightened electrical conductivity, you can boost your module power output and minimize cell damage while maximizing productivity.
Targray offers a wide selection of interconnect wire and bus wire with a variety of solder coatings to match your particular needs.
Benefits
- Reliable, market-proven, high-quality product.
- Improve workability with smooth-as-silk-surfaces and edges.
- Softer solutions customized to your specifications.
- Ultra-long durability, excellent tabbing efficiency and electrical conductivity.
- Various dimensions and solder types available to serve your needs.
Interconnect and tabbing products specifications
| Interconnect Ribbon | Buss Bar |
| Materials | Electrical Conductivity | Over 97% at 20° C |
| CDA-102 (UNS-C10200) | Electrical Resistivity | 1.68 x 10-8 Ωm at 20° C |
| Oxygen-free-Copper OFHC | Density | 8.94 g/cm3 |
| Purity over 99.96% | Thermal Conductivity | 391 W/(m*K) at 20° C |
| Coefficient of Thermal Expansion | 17.7 x 10-6 /K at 20° C |
- Base metal thickness: 0.1 mm– 0.5 mm, +/- 10 μm
- Base metal width: 1 mm – 10 mm, +/- 100 μm
- Coating thickness: 20 or 40 μm/side
- Tolerance after coating: +/- 20 μm on thickness; +/- 150 μm on width
Regular solder coatings
| Solder Alloys | Solid Phase Temperature | Liquid Phase Temperature | |
| SnPb 60/40 | 183° C | 190° C | Leaded |
| SnPbAg 62/36/2 | 178° C | 180° C | Leaded |
| SnPbAg 96.5/3.0/0.5 | 217° C | 219° C | Lead Free |
| SnCu 99.3/0.7 | 230° C | 240° C | Lead Free |
Packaging (Bobbins and Spools)
Interconnect and bus bar ribbons are wound onto a bobbin or spool weighing 2.5—4.5 kg. The bobbin and spool dimensions can be viewed below. Other DIN 46 339 standard spools are also available.
Bobbin
| D (mm) | d (mm) | L (mm) | W (mm) | a (mm) | h (mm) | Tare (g) |
| 160±0.5 | 90±0.5 | 114±0.6 | 90±0.2 | 12±0.2 | 20±0.5, -0 | 390 |
Spool
| D (mm) | d (mm) | h (mm) | a (mm) | b (mm) | R (mm) | r1 (mm) | r2 (mm) | Tare (g) |
| 380±1 | 180±1 | 100±1 | 2.5±0.5 | 1.5±0.5 | 34φ | 8φ | 15φ | 590 |
Targray is happy to service your special requirements for:
- Base copper dimensions & Temper
- Solder Composition
- Solder Thickness
- Customized Packaging
Contact us for a customized solution that meets your needs.
