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Specifications
Type:
Metal Film Resistor
Resistance:
100Ω
Voltage-Supply(Max):
350V
Power(Watts):
1W
Temperature Coefficient:
±50ppm/℃
Tolerance:
±1%
Operating Temperature:
-55℃~+125℃
Mfr. Part #:
RN 1WS 100R F T/B A1
Package:
Through Hole,D3.3xL9.2mm
Key Attributes
Model Number:
RN 1WS 100R F T/B A1
Product Description
Product Overview
Precision Metal Film Fixed Resistors from SHI MENG ELECTRONIC CO.,LTD. are designed for high accuracy, stability, and reliability. They feature low noise, small voltage coefficient, and a low temperature coefficient, making them suitable for a wide range of applications requiring precise resistance values. These resistors comply with RoHS and REACH environmental regulations.
Product Attributes
- Brand: SHI MENG ELECTRONIC CO.,LTD.
- Certifications: RoHS, REACH
- Material: Nickel-Chromium alloy conductive layer
- Coating: Epoxy resin (standard blue, special grey or brick red available)
Technical Specifications
| Type | Rated Power | Tolerance | Resistance Value | Temperature Coefficient (PPM/C) | Max Continuous Working Voltage (V) | Max Overload Voltage (V) | Insulation Resistance Voltage (V) | Operating Temp Range (C) |
| 1/8W, 1/6W, 1/4WS, 1/2WSS | 1/8W, 1/6W, 1/4W, 1/2W | 0.1% (B), 0.25% (C), 0.5% (D), 1% (F), 2% (G) | 0 & 0.1~10M | 15, 25, 50, 100 | 200 | 400 | 300 | -55 ~ +125 |
| 1/4W, 1/2WS, 1WSS | 1/4W, 1/2W, 1W | 0.1% (B), 0.25% (C), 0.5% (D), 1% (F), 2% (G) | 0 & 0.1~10M | 15, 25, 50, 100 | 250 | 500 | 350 | -55 ~ +125 |
| 1/2W, 1WS, 2WSS | 1/2W, 1W, 2W | 0.1% (B), 0.25% (C), 0.5% (D), 1% (F), 2% (G) | 0 & 0.1~10M | 15, 25, 50, 100 | 350 | 700 | 500 | -55 ~ +125 |
| 1W, 2WS | 1W, 2W | 0.1% (B), 0.25% (C), 0.5% (D), 1% (F), 2% (G) | 0.1~2M | 15, 25, 50, 100 | 500 | 1000 | 500 | -55 ~ +125 |
| 2W, 3WS | 2W, 3W | 0.1% (B), 0.25% (C), 0.5% (D), 1% (F), 2% (G) | 0.1~2M | 15, 25, 50, 100 | 500 | 1000 | 500 | -55 ~ +125 |
| 3W, 5WS | 3W, 5W | 0.1% (B), 0.25% (C), 0.5% (D), 1% (F), 2% (G) | 0.1~2M | 15, 25, 50, 100 | 500 | 1000 | 700 | -55 ~ +125 |
Performance Characteristics
| Characteristic | Specification | Test Method |
| Temperature Coefficient (T.C.R.) | For R 1: 100PPM/. For R < 1: 200PPM/ (reference). For 1~10: 100PPM/. For 10.1~100K: 50PPM/. For R 100K: 100PPM/. (Custom 50, 25, 15 PPM/ available for R 10). | Calculated based on resistance change over temperature. |
| Load Life | Resistance change (2%R+0.05) MAX. No mechanical damage. | 1000 hours at 702, with rated voltage or max continuous working voltage (whichever is less), duty cycle 1.5hrs ON, 0.5hrs OFF. |
| Short Time Overload | Resistance change (0.5%R+0.05). | 2.5 times the rated voltage or maximum overload voltage (whichever is less), for 5 seconds. |
| Insulation Resistance | 1000M or more. | Measured with resistor in V-block. |
| Electric Withstanding Voltage | Resistance change (0.5%R+0.05). No flashover, mechanical damage, arcing, or insulation breakdown. | Applied for 60 seconds as per characteristic table voltage. |
| Temperature Cycling | Resistance change (0.5%R+0.05) MAX. No mechanical damage. | 5 cycles of -253 (30 min), Room temp (10-15 min), 852 (30 min), Room temp (10-15 min). |
| Resistance to Soldering Heat | Resistance change (0.5%R+0.05). No mechanical damage. | Immersion in tin bath at 35010 for 30.5 sec, or 2605 for 101 sec. |
| Solder Ability | 95% coverage minimum on lead wire. | Tin bath temperature: 2605, Dwell time: 30.5 sec. |
| Joint Intensity | No terminal wire loosening or breakage. | Clamped at solder point and flipped 90 outwards, twice. |
Construction
- Tinned copper lead wire
- High heat exchanged ceramic base
- Tin-plated steel caps
- High stability electric conduction film
- Color ring mark
- Epoxy resin coating
Note: Standard coating is blue epoxy resin paint. Special non-flammable grey or brick red coating is available. For 5W products, non-flammable coating is recommended due to higher surface temperature.
Precautions for Use
- For high resistance values (hundreds of K ohm), the film layer is very thin, potentially reducing reliability, especially in high humidity environments. Ultra-high resistance values are not recommended for high-reliability designs.
- For ultra-high resistance values, consider MG High Voltage Surge Resistors or CHIP Resistors.
- For low resistance and ultra-low resistance applications where temperature coefficient or current capability is critical, consider KN Wire Wound Resistors.
- Precision metal film resistors have a thinner film layer compared to other thin film resistors, making them less resistant to pulses. Avoid using high resistance products in high pulse or continuous pulse circuits.
- The conductive composition is prone to oxidation at high temperatures. Pay attention to surface temperature rise and surrounding heat dissipation for high-power products. Do not use adhesives for fixing or potting, as they can hinder heat dissipation and may cause electrochemical reactions leading to failure.
2410121258_TyoHM-RN-1WS-100R-F-T-B-A1_C433681.pdf
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