不燃性金屬膜電阻器
Flame-proof Typ Metal Film Resistor - FMF Series
INTRODUCTION
The FMF series flame-proof Carbon Film Resistors are manufactured by Coating a homogeneous film of pure carbon on high grade ceramic rods, resistance less than 10 have an electro less deposited nickel film, and are coated with layers of gray color flame-proof lacquer. These resistors meet overload tests in accordance with UL specification without producing a fire hazard.
| PRODUCT FEATURE: | |||||||||
| Low Noise | |||||||||
| Low T.C.R. 100ppm, 50ppm. | |||||||||
| Tolerance : ±1%, ±5%. | |||||||||
| Power : | Standard Type: 1/4W ~ 2W | ||||||||
| Miniature Type: 1/2WS ~ 2WS. | |||||||||
| DIMENSION (mm) | SINLOON® | ||||||||
| Power: | STYLE | Dimension (mm) |  |
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| L | D | H | d | ||||||
| 1/4W | FMF25 | 6.3±0.5 | 2.3±0.3 | 29±2.0 | 0.55±0.03 | ||||
| 1/2W | FMF50 | 9.0±0.5 | 3.2±0.5 | 26±2.0 | 0.65±0.03 | ||||
| 1W | FMF100 | 11.5±1.0 | 4.5±0.5 | 35±2.0 | 0.78±0.03 | ||||
| 2W | FMF200 | 11.5±1.0 | 4.5±0.5 | 35±2.0 | 0.78±0.03 | ||||
| 1/2WS | FMF25S | 6.3±0.5 | 2.3±0.3 | 29±2.0 | 0.55±0.03 | ||||
| 1WS | FMF50S | 9.0±0.5 | 3.2±0.5 | 26±2.0 | 0.65±0.03 | ||||
| 2WS | FMF100S | 11.5±1.0 | 4.5±0.5 | 35±2.0 | 0.78±0.03 | ||||
| ELECTRICAL CHARACTERISTICS | |||||||||
| Style | FMF25 | FMF50 | FMF50S | FMF100 | FMF100S | FMF200 | FMF200S | ||
| Power Rating 70oC | 1/4W | 1/2W | 1/2WS | 1W | 1WS | 2W | 2WS | ||
| Operating Temp. Range | -55oC ~ +155oC | ||||||||
| Max. Working Voltage | 250V | 350V | 350V | 500V | 400V | 500V | 500V | ||
| Max. Overload Voltage | 500V | 700V | 600V | 1000V | 800V | 1000V | 1000V | ||
| Dielectric Withstanding Voltage. | 400V | 500V | 400V | 750V | 600V | 750V | 750V | ||
| Value Range ±1%, ±5% | 10Ω ~1MΩ | ||||||||
| Temp. Coefficient (by Type) | ±50ppm, ±100ppm. | ||||||||
| * Standard resistor is 10Ω ~ 1MΩ, below or over this resistance on request. |  |
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