Precision Metal Film Fixed Resistors TyoHM RN1/2WS30ΩFT/BA1 Designed for Performance and Low Noise in Electronics
Product Overview
Precision Metal Film Fixed Resistors from SHI MENG ELECTRONIC CO.,LTD. offer high accuracy, stability, and reliability with low noise and excellent temperature coefficients. These resistors are designed for various applications requiring precise resistance values and are compliant with RoHS and REACH environmental regulations. Available in a wide range of power ratings and tolerances, they are suitable for both general-purpose and demanding electronic circuits.
Product Attributes
- Brand: SHI MENG ELECTRONIC CO.,LTD.
- Certifications: RoHS, REACH
- Material: Nickel-Chromium Alloy (conductive layer)
- Coating: Epoxy Resin (standard blue, optional grey or brick red for non-flammable finish)
Technical Specifications
| Type | Rated Power | Tolerance | Resistance Range | Temperature Coefficient (T.C.R) | Max Continuous Working Voltage | Max Overload Voltage | Insulation Resistance Voltage | Operating Temp Range | Lead Wire | Cap Material | Ceramic Base | Coating |
| 1/8W | 1/8W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 200V | 400V | 300V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1/6W | 1/6W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 250V | 500V | 350V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1/4WS | 1/4W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 350V | 700V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1/2WSS | 1/2W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1/4W | 1/4W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1/2WS | 1/2W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1WSS | 1W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1/2W | 1/2W | 0.1% to 1% | 0 & 0.1~10M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1WS | 1W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 2WSS | 2W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 1W | 1W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 2WS | 2W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 2W | 2W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 500V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 3WS | 3W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 700V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 3W | 3W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 700V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 5WS | 5W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 700V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
| 5W | 5W | 0.1% to 1% | 0.1~2M | 15PPM, 25PPM, 50PPM, 100PPM | 500V | 1000V | 700V | -55 ~ +125 | Tinned copper | Tin-plated steel | High heat exchanged ceramic | Epoxy resin |
Usage Precautions
For ultra-high resistance values (hundreds of K ohms and above), the thin film layer can be prone to occasional failures, especially in humid environments. Consider using MG High Voltage Surge Resistors or CHIP resistors for such applications. For low and ultra-low resistance precision metal film resistors where temperature coefficient or current capability is critical, KN Wire Wound Resistors are recommended. Precision metal film resistors have a thinner film layer compared to other thin-film types, making them less resistant to pulses; avoid using high resistance values in high-pulse or continuous pulse circuits. Due to the high-temperature oxidation susceptibility of the conductive layer, pay attention to surface temperature rise and surrounding heat dissipation for high-power products. Avoid fixing or potting with adhesives on the resistor surface, as this can impede heat dissipation and potentially cause electrochemical reactions leading to failure.
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