Specifications
3WS Fixed Fusible Metal Film Resistors- Flame Proof Coating
- Low Temperature Coefficient
- Uniform in Fusing Time
3WS Fixed Fusible Metal Film Resistors
| TYPE | Power Rating | Dielectric Withstanding Voltage | Max. Open Circuit Voltage | Resistance Range | |
| Normal size | FRN1/4W | 0.25W | 300V | 200V | 0.1Ω~300KΩ |
| FRN1/2W | 0.5W | 500V | 250V | 0.1Ω~300KΩ | |
| FRN1W | 1W | 500V | 250V | 0.1Ω~300KΩ | |
| FRN2W | 2W | 500V | 250V | 0.1Ω~300KΩ | |
| Small size | FRN1/2W(S) | 0.5W | 300V | 200V | 0.1Ω~300KΩ |
| FRN1W(S) | 1W | 500V | 250V | 0.1Ω~300KΩ | |
| FRN2W(S) | 2W | 500V | 250V | 0.1Ω~300KΩ | |
| FRN3W(S) | 3W | 500V | 250V | 0.1Ω~300KΩ | |
| Properties: |
| Temperature coefficient of resistance: +/-200ppm/degrees Celsius |
| Short time overload: +/- (2%+ 0.05 ohms) |
| Dielectric withstanding voltage: no evidence of damage |
| Terminal strength: no evidence of damage |
| Moisture load life: +/- (5%+ 0.05 ohms) |
| Load life at 70 degrees Celsius: +/- (5%+ 0.05 ohms) |
| Temperature cycling: +/- (1%+ 0.05 ohms) |
| Solderability: >95% |
| Resistance to solvent: no evidence of damage |
| Flame resistant: no evidence of flame |
| Resistance tolerance: +/-5%, +/-10% |
| Type (normal size ): dimensions (mm) |
| FRN 1/4W: |
| 6.5 +/- 0.5 (L) x |
| 2.3 +/- 0.3 (D) x 0.6 +/- 0.05 (d) x 28 +/- 3 (H) |
| Power rating: 0.25W |
| Dielectric withstanding voltage: 300V |
| Max. open circuit |
| voltage: 200V |
| Resistance: 10 to 2M ohms |
| FRN 1/2W: |
| 9.0 +/- 1.0 (L) x 3.2 +/- 0.5 (D) x 0.7+/- 0.05 (d) x |
| 28 +/- 3 (H) |
| Power rating: 0.5W |
| Dielectric withstanding voltage: 500V |
| Max. open circuit voltage: 250V |
| Resistance: 10 to 2M |
| ohms |
| FRN 1W: |
| 12.0 +/- 1.0 (L) x 4.5 +/- 0.5 (D) x 0.8 +/- 0.05 (d) x 32 +/- 3 (H) |
| Power rating: 1W |
| Dielectric withstand |
| ing voltage: 500V |
| Max. open circuit voltage: 250V |
| Resistance: 10 to 2M ohms |
| FRN 2W: |
| 15.5 +/- 1.0 (L) x 5.0 +/- 1.0 (D) |
| x 0.8 +/- 0.05 (d) x 35+/- 3 (H) |
| Power rating: 2W |
| Dielectric withstanding voltage: 500V |
| Max. open circuit voltage: 250V |
| stance 10 to 2M ohms |
| Type (small size): dimensions (mm) |
| FRN 1/2W(S): |
| 6.5 +/- 0.5 (L) x 2.3 +/- 0.3 (D) x 0.6 + |
| /- 0.05 (d) x 28 +/- 3 (H) |
| Power rating: 0.5W |
| Dielectric withstanding voltage: 300V |
| Max. open circuit voltage: 200V |
| Resistance: 10 to 2M ohms |
| FRN 1W(S): |
| 9.0 +/- 1.0 (L) x 3.2 +/- 0.5 (D) x 0.7 +/- (d) x |
| 28 +/- 3 (H) |
| Power rating: 1W |
| Dielectric withstanding voltage: 500V |
| Max. open circuit voltage: 250V |
| Max. open circuit |
| voltage: 250V |
| Resistance: 10 to 2M ohms |
| FRN 2W(S): |
| 12.0 +/- 1.0 (L) x 4.5+/- 0.5 (D) x 0.8 +/- 0.05 (d) x 32 +/-3 (H) |
| Power rating: 2W |
| Dielectric withstanding voltage: 500V |
| Max. open circuit voltage: 250V |
| Resistance: 10 to 2M ohms |
| FRN 3W(S): |
| 15.5 +/- 1.0 (L) x 5.0 +/-1.0 (D) x 0.8 +/- 0.05 (d) x 35 +/- 3 (H) |
| Power rating: 3W |
| Dielectric w |
| ithstanding voltage: 500V |
| Max. open circuit voltage: 250V |
Standard Packing : Plastic Pallet wrapped by water proof plastic film
Optional Packing : Strong Metal Pallet with wood cover to protect products withour damages during transportation.
Thunder Group was established in Taiwan Taipei in 1971, which has produced resistors more than 40 years. We have provided our products around the world including Vishat Dale Electronics, Panasonic, and Funkushima Futaba. We believe our professional experience can offer you best quality resistors with the most competitive price and fast lead-time.
Thunder Group Location
Taipei Headquarters & Kaohsiung SMD Chip Resistor Factory
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