25PPM 330K 1/4W DIP Metal Film Fixed Resistor 1K 100R 0.1% 0.25W Electronic Resistor
DIP Metal Film Fixed Resistor
,1K 100R Electronic Resistor
,25PPM Metal Film Fixed Resistor
METAL FILM FIXED DIP RESISTORS (MF RN SN) 330K 0.1% 1/4W 25PPM 1K 100R
METAL FILM FIXED RESISTORS (MF RN SN)
Style :MF1/8W (1/6W) MF1/4W MF1/4WS MF1/2W MF1/2WS MF1W MF1WS MF2W MF2WS MF3W MF3WS
Characteristic Performance
| Item | Performance |
| Operating Temp. Range | -55℃ ~ +155℃ |
| Temperature Coefficient | ≧10Ω:±100PPM/℃ ＜10Ω:±200PPM/℃ |
| Short Time Overload | Within ±(0.5%+0.05Ω), no evidence of mechanical damage. |
| Insulation Resistance | 104MΩ or more |
| Dielectric Withstanding Voltage | No evidence of flashover mechanical damage, arcing or insulation breakdown. |
| Pulse Overload | Within ±(0.5%+0.05Ω) |
| Terminal Strength | No evidence of mechanical damage. |
| Resistance to Soldering Heat | Within ±(0.5%+0.05Ω), no evidence of mechanical damage. |
| Solderability | Covered with new solder by 95% at least. |
| Resistance to Solvent | No deterioration of protective coating and markings. |
| Temperature Cycle | Within ±(1%+0.05Ω), no evidence of mechanical damage. |
| Load Life in Humidity | Within ±(1%+0.05Ω) |
| Load Life | Within ±(2%+0.05Ω) |
Features:
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Formed by spattering Ni-Cr alloy onto highly Al2O3 concentrated ceramic rods.
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Makes an excellent precise resistor due to its low temperature coefficient.
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Long term reliability and moisture proof resin for protective coating
Derating Curve
Structure & Materials
| No. | Item | Material |
| 1 | Lead Wire | Soldered or tinned annealed copper wire. |
| 2 | Connection | The lead wire, which is plated with solder, shall be mounted to the caps by welding process. |
| 3 | Terminal | Tinned iron cap. |
| 4 | Ceramic Core | High alumina ceramic is used. |
| 5 | Resistance Element | The resistor element shall consists of metal film. |
| 6 | Insulation Coating | Epoxy resin is used. |
| 7 | Indication | Color code. |
Dimensions
| Style | Dimensions (mm) | Max. Working V. |
Max. Overload V. |
Resistance Range | |||
| L | D | d | H | ||||
| MF 1/8W (1/6W) | 3.20 ± 0.20 | 1.80 ± 0.20 | 0.40 ± 0.05 | 28.00 ± 3.00 | 200V | 400V | 10Ω ~ 1MΩ |
| MF 1/4WS | 3.20 ± 0.20 | 1.80 ± 0.20 | 0.40 ± 0.05 | 28.00 ± 3.00 | 200V | 400V | 10Ω ~ 1MΩ |
| MF 1/4W | 6.50 ± 0.50 | 2.30 ± 0.30 | 0.50 ± 0.05 | 28.00 ± 3.00 | 250V | 500V | 10Ω ~ 2MΩ |
| MF 1/2WS | 6.50 ± 0.50 | 2.30 ± 0.30 | 0.50 ± 0.05 | 28.00 ± 3.00 | 250V | 500V | 10Ω ~ 2MΩ |
| MF 1/2W | 9.00 ± 1.00 | 3.20 ± 0.50 | 0.60 ± 0.10 | 28.00 ± 3.00 | 350V | 700V | 10Ω ~ 2MΩ |
| MF 1WS | 9.00 ± 1.00 | 3.20 ± 0.50 | 0.60 ± 0.10 | 28.00 ± 3.00 | 350V | 700V | 10Ω ~ 2MΩ |
| MF 1W | 12.00 ± 1.00 | 4.50 ± 0.50 | 0.65 ± 0.10 | 32.00 ± 3.00 | 500V | 1000V | 10Ω ~ 2MΩ |
| MF 2WS | 12.00 ± 1.00 | 4.50 ± 0.50 | 0.65 ± 0.10 | 32.00 ± 3.00 | 500V | 1000V | 10Ω ~ 2MΩ |
| MF 2W | 15.50 ± 1.00 | 5.00 ± 1.00 | 0.70 ± 0.10 | 35.00 ± 3.00 | 500V | 1000V | 10Ω ~ 2MΩ |
| MF 3WS | 15.50 ± 1.00 | 5.00 ± 1.00 | 0.70 ± 0.10 | 35.00 ± 3.00 | 500V | 1000V | 10Ω ~ 2MΩ |
| MF 3W | 17.50 ± 1.00 | 6.50 ± 1.00 | 0.70 ± 0.10 | 35.00 ± 3.00 | 500V | 1000V | 10Ω ~ 2MΩ |
Note: Special resistance range min. 0.1Ω, max. 5.1MΩ, expect the resistance value is less than 0.22Ω
and tolerance is ≤1% , but character is not guaranteed.
How to Order
MF1/4W-T52-1KRB MF1/4W-T52-100RB MF1/4W-B-330KRB
MF1/4W DIP Resistor 0.1% 25ppm for available
| MF1/4W 0.1% | MF1/4W 0.1% | MF1/4W 0.1% |
| 10R | 620R | 22K |
| 20R | 1K | 30K |
| 47R | 1.5K | 33K |
| 50R | 2K | 47K |
| 100R | 2.2K | 51K |
| 120R | 2.5K | 50K |
| 125R | 3K | 100K |
| 150R | 3.3K | 120K |
| 200R | 3.16k | 150K |
| 220R | 4.7K | 200K |
| 250R | 4.99K | 220K |
| 300R | 5K | 300K |
| 316R | 5.1K | 330K |
| 330R | 6.41K | 390K |
| 400R | 10K | 470K |
| 470R | 14.1K | 500K |
| 500R | 15K | 1M |
| 510R | 20K |
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