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表面貼裝元件 RJM MELF精密電阻系列，精度最高可做到±0.05%，溫度係數最低可做到±3ppm，是新一代表面貼裝線路設計的最佳選擇。 精密晶圓電阻又稱為精密無引線電阻、精密晶圓電阻、精密無腳電阻、精密圓柱型電阻、精密表面貼裝電阻、精密無引腳電阻。低溫度係數TCR，散熱性好，阻值範圍廣。德鍵電子晶圓系列符合RoHS規範，Lead-Free無鉛標準，使用Lead-Free Logo無鉛標誌，以充分滿足客戶及立法要求。 |
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| 型 號 | RJM72P | RJM73S | RJM73P | RJM74S | RJM74P | RJM16M | RJM17M | RJM18M | |
| DIN-44061 type | DIN: 0102 | DIN: 0204 | DIN: 0207 | DIN: 0411 | |||||
| 額定功率 P70 (W) |
0.125 | 0.125 | 0.25 | 0.25 | 0.50 | 1.0 | 2.0 | 3.0 | |
| 阻值范圍 (Ω) |
10 to 1M | 0.1 to 10M | 0.1 to 22M | 0.1 to 22M | |||||
| 精度 (%) |
J ( ±5 ); F ( ±1 ); D ( ±0.5 ); C ( ±0.25 ); B ( ±0.10 ); A5 ( ±0.05 ) | ||||||||
| 溫度系數 (ppm/°C) |
C2 ( ±50 ); C3 ( ±25 ); C5( ±15 ); C6 ( ±10 ); C7 ( ±5 ) | ||||||||
| 氣候類型 (LCT/UCT/days) |
55 / 125 / 56 | ||||||||
| 工作電壓 Umax (V) |
200 | 200 | 250 | 250 | 300 | 350 | 400 | 450 | |
| 工作環境溫度 | -55°C to 125°C | ||||||||
| 絕緣電壓 (V) |
300 | 300 | 300 | 300 | 600 | 700 | 800 | 900 | |
| 絕緣阻抗 | >1GΩ | ||||||||
| 尺寸 (mm) |
± 0.2 | L=2.2; D=1.3; L1=1.0 |
L=3.5; D=1.3; L1=1.6 |
L=5.5; D=2.1; L1=3.5 |
L=5.9; D=2.1; L1=3.9 |
L=8.6; D=3.1; L1=6.2 |
L=11.6; D=3.6; L1=8.8 |
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| ± 0.1 | K=0.4; D1=D+0 / D-0.15 |
K=0.8; D1=D+0 / D-0.25 |
K=1.0; D1=D+0 / D-0.5 |
K=1.2; D1=D+0 / D-0.5 |
K=1.5; D1=D+0 / D-0.5 |
K=1.6; D1=D+0 / D-0.5 |
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| 建議焊盤 尺寸和間距 (mm) |
S=1.0; W=2.0; H=2.0 |
S=1.6; W=2.5; H=2.5 |
S=2.6; W=2.5; H=2.5 |
S=2.8; W=2.8; H=2.8 |
S=5.6; W=3.2; H=3.8 |
S=8.2; W=4.0; H=4.5 |
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| 注 |
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| 產品訂購 |
| RJM74P | 10R | D | C6 | T |
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| 型號 | 阻值范圍 | 阻值公差 | 溫度系數 | 包裝方式 |
| RJM72P | 10Ω ~ 1MΩ | J ( ±5%) F ( ±1% ) D ( ±0.5% ) C ( ±0.25% ) B ( ±0.10% ) A5 ( ±0.05% ) |
C2 ( ±50ppm/°C ) C3 ( ±25ppm/°C ) C5 ( ±15ppm/°C ) C6 ( ±10ppm/°C ) C7 ( ±5ppm/°C ) |
T (Taping Reel) P (Bulk) |
| RJM73S RJM73P |
0.1Ω ~ 10MΩ | |||
| RJM74S RJM74P RJM16M |
0.1Ω ~ 22MΩ | |||
| RJM17M RJM18M |
0.1Ω ~ 22MΩ |
| Melf Precision Resistors | 德鍵電子工業股份公司 臺灣電話﹕+886-2-29810109﹔傳真﹕+886-2-29887487 大陸電話﹕+86-755-26055363﹔傳真﹕+86-755-26055365 |