This standard specification covers SPS type cement resistors designed for consumer electronics, computer, and telecommunications equipment. These resistors offer robust performance with features like flameproof cement stuffing and RoHS & Halogen Free compliance.
| Type | Rated Wattage | Nominal Resistance Range | Tolerance | Lead Length | Marking | Rated Voltage | Dimension (mm) | Operating Temperature Range |
| SPS | 10W | 0.1~470 (Wire Wound) 471~50K (Power Film) | J=5% | B1 | P1 | 750V | A: 12, C: 0.8, D: 11, E: 28, F: 7, G: 3, H: 4, I: 1.5, J: 0.5, K: 20, L: 60, M: 5, N: 5, O: 5, P: 5, h: 0+0.5/-0 | -55155 |
| Characteristic | Specification |
| Rated Power | Max load wattage at 70 ambient temperature. Derating applies above 70. |
| Terminal Tensile | 4.5kg static load applied to terminal for 10 seconds without looseness or fall. |
| Twist Withstand | Lead wire bent 90, then twisted 360 clockwise and counterclockwise, repeated 2 times without break or looseness. |
| Resistance Temperature Coefficient | 300ppm/ (600ppm/ for <1) |
| Temperature Cycle | Resistance change rate within 1% after 5 cycles of -55 to 155. |
| Short Time Over Load | 10x rated power (5x for Power Film) for 5 seconds. Resistance change rate within 2%. |
| Insulation Character | Over 1000M using DC 500V megger. |
| Voltage Withstanding | AC 1000V for 1 minute without physical damage. |
| Load Life | 1000 +48 -0 hours at 70 with rated voltage. Resistance change rate within 5%. |
| Moisture-proof Load Life | 1000 +48 -0 hours at 402, 9095% humidity with rated power. Resistance change rate within 5%. No remarkable appearance change or illegible marking. |
| 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 seconds or 35010 for 3.50.5 seconds. |
| Nonflammability | No flame when applied 16x rated wattage for 5 min. |
| Storage Conditions | Preservative duration of 1 year under 5 ~ 35 and 40% ~ 75% humidity. |