Carbon Film Resistors, Flameproof
Flameproof carbon film resistors designed for consumer electronics, computers, telecommunications, and control instruments. These resistors offer reliable performance with features like flameproof coating and RoHS & Halogen Free compliance.
Product Attributes
- Type: Carbon Film Resistors (RD), Flameproof Carbon Film Resistors (RDN)
- Certifications: RoHS & Halogen Free Compliant
- Material: Ceramic Rod (Forsterite imported), Carbon Film, EPOXY insulating paint (flameproof paint for RDN)
- Marking: Color coding on surface
Technical Specifications
| Type | Rated Wattage | Nominal Resistance | Tolerance | Rated Voltage (Max) | Dimension (D1 x L1 x H3) mm | Lead Diameter (d0.1) mm | Operating Temperature Range |
| RD 1/8W, 1/6W (1/4WS) | 1/8W, 1/6W (1/4WS) | 3.9 ~4.7M | 2%, 5%, 10% | 200V | 1.70.2 x 3.7max x 28 | 0.45 | -55155 |
| RD 1/4W (1/2WS) | 1/4W (1/2WS) | 3.9 ~10M | 2%, 5%, 10% | 250V | 2.40.5 x 6.4 x 28 | 0.6 | -55155 |
| RD 1/2W | 1/2W | 3.9 ~10M | 2%, 5%, 10% | 350V | 3.5 x 9 x 28 | 0.65 | -55155 |
| RDN 1W | 1W | 3.9 ~10M | 2%, 5%, 10% | 500V | 4.5 x 11 x 28 | 0.8 | -55155 |
| RDN 2W | 2W | 3.9 ~10M | 2%, 5%, 10% | 750V | 5 x 15 x 28 | 0.8 | -55155 |
| Performance Test | Specification |
| Terminal Tensile | 1.5kgs static load (1kg for 1/8W & 1/4W axial) for 10 seconds without looseness/fall. |
| Twist Withstand | 360 clockwise and counterclockwise turns, 2 repetitions without break/looseness. |
| Resistance Temperature Coefficient (T.C.) | Ranges from 0 ~ -450 ppm/ to 0 ~ -1300 ppm/ depending on resistance value and wattage. |
| Temperature Cycle | Resistance change rate within 1% after 5 cycles of -55 to 155. |
| Short Time Over Load | Resistance change rate within 1% after 2.5x rated voltage for 5 seconds. |
| Insulation Character | > 10000M using DC 100V or 500V megger. |
| Voltage Withstanding | No physical damage, resistance change within 0.5% after applying max overload voltage or 350V AC for 1 minute. |
| Load Life | Resistance change rate within 5% after 1000 hours at 70 with rated voltage. |
| Moisture-proof Load Life | Resistance change rate within 5% after 500 hours at 402, 9095% humidity with rated power. No remarkable appearance change. |
| Solder-ability | > 95% of lead wire circumference covered with solder after dipping in 2355 solder for 2 seconds. |
| Resistance to Soldering Heat | Resistance change rate within 1% after dipping in 2705 solder for 101 sec or 35010 for 3.50.5 sec. |
| Nonflammability (RDN only) | No flame when applied 16x rated wattage for 5 min. |
| Forming Type | Wattage | L1 mm | D1 mm | P mm | H mm | h1 mm (MG) | A0.02 mm (MG) | B0.05 mm (MG) | C0.2 mm (MG) | H0.5 mm (M) | A+1/-0.5 mm (F) |
| MG | 1/4W(1/2WS) | 6.4 | 2.40.5 | 101 | 71 | 4.5 | 0.2 | 0.8 | 1.2 | - | - |
| MG | 1/2W | 9 | 3.5 | 151.5 | 71 | 4.5 | 0.2 | 0.8 | 1.2 | - | - |
| MG | 1W | 11 | 4.5 | 151.5 | 71 | 4.5 | 0.3 | 1 | 1.4 | - | - |
| MG | 2W | 15 | 5 | 202 | 102 | 4.5 | 0.3 | 1 | 1.4 | - | - |
| M | 1/8W1/6W1/4WS | 3.7max | 1.70.2 | 50.5 | 3.5 | - | - | - | - | 3.5 | - |
| M | 1/4W1/2WS | 6.4 | 2.40.5 | 101 | 3.5 | - | - | - | - | 3.5 | - |
| M | 1/2W | 9 | 3.5 | 151.5 | 3.5 | - | - | - | - | 3.5 | - |
| M | 1W | 11 | 4.5 | 151.5 | 3.5 | - | - | - | - | 3.5 | - |
| M | 2W | 15 | 5 | 202 | 3.5 | - | - | - | - | 3.5 | - |
| F | 1W | 11 | 4.5 | - | 3.5 | - | - | - | - | - | 3.5 |
| F | 2W | 15 | 5 | - | 3.5 | - | - | - | - | - | 3.5 |
2409291134_TyoHM-RD-1-8W-10K-J-T-B_C5200387.pdf