Shenzhen Topmay Electronic Co., Ltd.
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Metal Film Resistor 1Ω~10MΩ 1% 1/8W 1/4W 1/2W 1W 2W for Audio
Feature:
High stability
Low TCR
Low noise coefficient
Excellent high frequency characteristic
Application: Entertainment system, TV, Audio, Power supply, Meter/Instruments system, Automation system
Part Number:
| TMRM | - | 1 2 3 4 | 5 | 6 7 | 8 | 9 10 | |||
| Produce Code TMRM: Precision Metal Film Resistor | Resistance Value Code: Three digits: The first two digits are significant figures and the third one denotes number of zeros. 394=390KΩ Four digits: The first three digits are Significant figures and the fourth one denotes number of zeros.1201=1.2K Ω | Tolerance F=±1% G= ±2% J=± 5% | Rated Power: One digits: 1= 1W 2= 1/2W 3= 3/4W 4= 1/4W 8= 1/8W L= 1/10W M=1/16W N=1/20W O=1/32W Two digits: XS=2WS YS=3WS... | Packaging T:tape&reel B:bulk | Terminal: empty value: general type F:Vertical form M:Horizontal form | ||||
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Dimension(mm):
| Type | Dimensions | |||||
| Normal Size | Small Size | I±2.0 | L±1.0 | φD | φd±0.05 | H±2.0 |
| 8(1/8W) | 4S(1/4WS) | 60 | 3.2 | 1.8±0.5 | 0.40 | 27 |
| 4(1/4W) | 2S(1/2WS) | 60 | 6.5 | 2.3±0.5 | 0.43 | 26 |
| 2(1/2W) | 1S(1WS) | 60 | 9.0 | 3.2±0.5 | 0.50 | 26 |
| 1(1W) | XS(2WS) | 60 | 11.5 | 4.5±1.0 | 0.68 | 25 |
| 73 | 11.5 | 4.5±1.0 | 0.68 | 31 | ||
| X(2W) | YS(3WS) | 60 | 15.5 | 5.0±1.0 | 0.68 | 23 |
| 81 | 15.5 | 5.0±1.0 | 0.68 | 33 | ||
| Y(3W) | ZS(5WS) | 94 | 17.5 | 6.0±1.0 | 0.68 | 38 |
| Z(5W) | 94 | 24.5 | 8.0±1.0 | 0.68 | 35 | |
Construction:
| No. | Components | ||
| A | Ceramic core | ||
| B | Metal Film | ||
| C | Caps | ||
| D | Epoxy resin painting | ||
| E | Color code | ||
| F | Soldered or tinned annealed wire. | ||
Electrical Characteristics:
| Type | Rated Power | Max Working Voltage | Max Overload voltage | Dielectric withstanding voltage | Resistance Range | Operation Temperature | T.C.R. PPM/℃ | ||
| 8(1/8W) | 0.125W | 150V | 300V | 300V | 1Ω~10MΩ | -55℃~+155 ℃ | R≤10: 200 R>10: 100 | ||
| 4/1/4W) | 0.25W | 200V | 500V | 350V | 1Ω~10MΩ | ||||
| 2(1/2W) | 0.5W | 300V | 700V | 400V | 1Ω~10MΩ | ||||
| 1(1W) | 1W | 350V | 800V | 450V | 1Ω~10MΩ | ||||
| X(2W) | 2W | 500V | 800V | 450V | 1Ω~10MΩ | ||||
| Y(3W) | 3W | 500V | 800V | 500V | 1Ω~10MΩ | ||||
| Z(5W) | 5W | 500V | 1000V | 500V | 1Ω~10MΩ | ||||
| 4S(1/4WS) small size | 0.25W | 150V | 300V | 300V | 1Ω~10MΩ | ||||
| 2S(1/2WS) small size | 0.5W | 250V | 700V | 350V | 1Ω~10MΩ | ||||
| 1S(1WS) small size | 1W | 350V | 800V | 400V | 1Ω~10MΩ | ||||
| XS(2WS) small size | 2W | 500V | 800V | 450V | 1Ω~10MΩ | ||||
| YS(3WS) small size | 3W | 500V | 1000V | 450V | 1Ω~10MΩ | ||||
| ZS(5WS) small size | 5W | 500V | 1000V | 500V | 1Ω~10MΩ | ||||
| Power | Dimension(mm) | |||||
| L±1 | D±0.5 | d±0.05 | P±1 | W1±1 | W2±1 | |
| 1/8W(1/4WS) | 3.50 | 1.70 | 0.40 | 5.00 | 52.00 | 64.00 |
| 1/4W(1/2WS) | 6.00 | 2.30 | 0.40 | 5.00 | 52.00 | 64.00 |
| 1/2W(1WS) | 9.00 | 3.20 | 0.48 | 5.00 | 52.00 | 64.00 |
| 1W(2WS) | 11.00 | 4.50 | 0.68 | 5.00 | 63.00 | 75.00 |
| 2W(3WS) | 15.00 | 5.00 | 0.68 | 5.00 | 68.00 | 80.00 |
| 3W(5WS) | 17.00 | 6.00 | 0.68 | 10.00 | 71.00 | 83.00 |
| Power | Dimension(mm) | |||
| L±1 | D±0.5 | d±0.05 | H±2 | |
| 1/8W(1/4WS) | 3.50 | 1.70 | 0.40 | 27.00 |
| 1/4W(1/2WS) | 6.00 | 2.30 | 0.40 | 26.00 |
| 1/2W(1WS) | 9.00 | 3.20 | 0.48 | 24.00 |
| 1W(2WS) | 11.00 | 4.50 | 0.68 | 29.00 |
| 2W(3WS) | 15.00 | 5.00 | 0.68 | 30.00 |
| 3W(5WS) | 17.00 | 6.00 | 0.68 | 30.00 |