■ 外型尺寸
型號(hào)
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250℃下額定功率(W)帶散熱板
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外形尺寸(mm)
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重量(g)
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電 阻 體
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標(biāo)準(zhǔn)散熱板(鋁)
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Amax | B | Lmax | Hmax | C | l | l1 | M | N |
Ф1 |
Ф2 | 表面積cm2 | 厚度(mm) | | RX24 | 5 | 155 | 16 | 36.5 | 8 | 8.5 | 11.4 | 12 | 4.4 | 1.5 | 1.5 | 2.2 | 415 | 1 | 3 | | 10 | 19.5 | 21 | 40.5 | 10 | 11.2 | 14 | 16 | 5 | 2 | 2 | 2.5 | 415 | 6 | | 20 | 27 | 27 | 48.0 | 13 | 14.3 | 18.3 | 20 | 7 | 2 | 2 | 3.5 | 535 | 11 | | 30 | 34 | 29 | 55.0 | 15.5 | 16.3 | 25 | 22 | 7.3 | 2 | 2 | 3.5 | 535 | 18 | | 50 | 50 | 29 | 71 | 15.5 | 16.3 | 40 | 22 | 7.3 | 2 | 2 | 3.5 | 995 | 30 | | 75 | 65.5 | 48 | 86.5 | 26 | 27 | 23.5 | 37 | 11.5 | 3.5 | 3 | 4.4 | 995 | 3 | 90 | | 100 | 98 | 48 | 119 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | 3 | 4.4 | 995 | 160 | | 150 | 130 | 48 | 151 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | 3 | 4.4 | 995 | 240 | | RXG24 | 75 | 65.5 | 48 | 93.5 | 26 | 27 | 23.5 | 37 | 11.5 | 3.5 | M3 | 4.4 | 995 | 90 | | 100 | 98 | 48 | 126 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | M3 | 4.4 | 995 | 160 | | 150 | 130 | 48 | 158 | 26 | 27 | 52 | 37 | 11.5 | 3.5 | M3 | 4.4 | 995 | 240 | | 200 | 92 | 73 | 132 | 45 | 46.5 | 35 | 58 | 21 | 5 | M6 | 5.5 | 3750 | 420 | | 250 | 112 | 73 | 152 | 45 | 46.5 | 45 | 58 | 21 | 5 | M6 | 5.5 | 4765 | 480 | | 300 | 130 | 73 | 170 | 45 | 46.5 | 51 | 58 | 21 | 5 | M6 | 5.5 | 5780 | 580 | | 500 | 204 | 73 | 244 | 45 | 46.5 | 87 | 58 | 21 | 5 | M6 | 5.5 | 8500 | 970 |
■ 主要技術(shù)指標(biāo)| 型 號(hào) | 額定功率(W) | 阻值范圍(Ω) | 阻值允許偏差(%) | 溫度系數(shù) (×10-6/℃) | 絕緣電壓(V) | 最高過負(fù)荷電壓(V) | | 帶散熱板 | 不帶散熱板 | | RX24 | 5 | 3 | 0.01Ω～1KΩ |
F(±1%)
D(±5%) |
±100
±50 | 1000 | 1500 | | 10 | 8 | 0.01Ω～1.5KΩ | | 20 | 12.5 | 0.01Ω～7.5KΩ | | 30 | 15 | 0.01Ω～10KΩ | | 50 | 20 | 0.01Ω～15KΩ | | RXG24 | 75 | 45 | 0.01Ω～20KΩ | 2000 | 3000 | | 100 | 50 | 0.01Ω～24KΩ | | 150 | 55 | 0.01Ω～30KΩ | | 200 | 55 | 0.01Ω～36KΩ | | 250 | 60 | 0.01Ω～39KΩ | | 300 | 75 | 0.01Ω～47KΩ | | 500 | 200 | 0.01Ω～51KΩ |
■主要檢驗(yàn)項(xiàng)目、試驗(yàn)方法及性能要求| 檢驗(yàn)項(xiàng)目 | 性能要求 | 試驗(yàn)方法 | | 電阻溫度系數(shù) |
≤±100(×10-6/℃) |
-55℃/+20℃ 20℃/+125℃ | | 引出端強(qiáng)度 |
R≤±(1%R+0.05Ω) | 拉力40N | | 耐電壓 | 無擊穿或飛弧 | 交流電壓，其峰值為絕緣電壓的1.42倍，1min | | 可焊性 | 焊料能自由流動(dòng)并與引線潤濕 |
235±5℃ 2±0.5s | | 耐焊接熱 |
ΔR≤±(1%R+0.05Ω) |
260±5℃ 10±1s | | 過載 |
ΔR≤±(1%R+0.05Ω) | 5倍額定功率 5s | | 溫度快速變化 |
ΔR≤±(1%R+0.05Ω) | -55℃/+125℃ 5次循環(huán) | | 振動(dòng) |
ΔR≤±(1%R+0.05Ω) |
10～500Hz 98m/s2 |
表面溫升
| ≤275℃ | VR | | 耐脈沖 | ΔR≤±(0.2%R+0.05Ω) | MIL-STD-202 100g,6毫秒10次 | | 長期負(fù)荷 |
ΔR≤±(1%R+0.05Ω) | +25±2℃ VR 1000h | | 穩(wěn)態(tài)濕熱 |
ΔR≤±(1%R+0.05Ω) | +40±2℃ 濕度95～93% 240h |
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