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绕线电阻特点：
SMD绕线芯片功率电阻-WR 多种尺寸可选
高负载功率 不易燃 环氧树脂热压封装
无感线绕电阻 稳定性好 可靠性高
具有良好的防潮和环境适宜性
阻值范围：0.1Ω～1.2KΩ |
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应用范围：
通信电源模型 高功率电源 信号保护电路 机顶盒或其他终端设备供电
功率曲线降额图：
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尺寸图标题 |
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尺寸图片介绍
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Unit:mm |
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Type |
Size |
L1 |
A |
B |
H |
K |
M |
W1 |
W2 |
L2 |
Packaging |
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(Inch) |
max. |
mim. |
330mm/13” |
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15 |
2615 |
6.6±0.5 |
5.6±0.5 |
4 |
3.2±0.25 |
1.2 |
1.0±0.4 |
2.0 |
2.0 |
4 |
2000pcs |
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16 |
3816 |
9.6±0.5 |
8.6±0.5 |
4.2 |
3.5±0.25 |
1.8 |
1.2±0.4 |
3.0 |
2.2 |
5.2 |
2000pcs |
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25 |
4525 |
11.4±0.5 |
10.2±0.5 |
6.5 |
4.6±0.25 |
2.2 |
2.0±0.4 |
3.2 |
2.5 |
7.0 |
1000pcs |
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27 |
6327 |
15.9±0.5 |
14.7±0.5 |
7.0 |
6.4±0.25 |
3.0 |
2.0±0.4 |
4.5 |
3.0 |
8.8 |
800pcs | |
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绕线电阻型号识别：WR27DTGR1001 规格：WR-6327-0.5%-300PPM-3W-1KΩ
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WR |
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27 |
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D |
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T |
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G |
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S |
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1001 |
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Product |
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Dimensions |
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Resistance |
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Packaging |
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TCR |
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Power |
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Resistance |
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Type |
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(L1×B) |
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Tolerance |
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Code |
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(PPM/℃) |
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Rating |
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系列名 |
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封装尺寸 |
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精度 |
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包装 |
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温漂 |
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功率 |
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阻值表示 |
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15:2615 |
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D:±0.5% |
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T:Taping Reel |
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E:±100 |
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U:1/2W |
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0010:1Ω |
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16:3816 |
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F:±1% |
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B:Bulk |
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K:±150 |
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T:1W |
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4R70:4.7Ω |
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25:4525 |
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G:±2% |
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F:±200 |
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S:2W |
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1001:1KΩ |
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27:6327 |
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J:±5% |
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G:±300 |
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R:3W |
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D:5W |
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| Standard Electrical Specifications(规格范围) |
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﹨ Item |
Power |
Operating |
Max. |
Max. |
Dielectric |
Resistance Range |
TCR |
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﹨ |
Rating |
Temp.Range |
Operating |
Overload |
Withstand |
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Type ﹨ |
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Voltage |
Voltage |
Voltage |
±0.5% |
±1% |
±2% |
±5% |
(PPM/℃) |
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15(2615) |
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—55～﹢155℃ |
200V |
350V |
500V |
— |
0.22Ω—0.49Ω |
±300 |
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1/2W |
— |
0.5Ω—0.99Ω |
±200 |
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1W |
— |
1Ω—9.9Ω |
±150 |
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10Ω—50Ω |
±100 |
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16(3816) |
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—55～﹢155℃ |
250V |
500V |
500V |
— |
0.1Ω—0.49Ω |
±300 |
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1W |
— |
0.5Ω—0.99Ω |
±200 |
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2W |
— |
1Ω—9.9Ω |
±150 |
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10Ω—200Ω |
±100 |
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25(4525) |
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—55～﹢155℃ |
350V |
700V |
500V |
— |
0.1Ω—0.49Ω |
±300 |
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2W |
— |
0.5Ω—0.99Ω |
±200 |
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3W |
— |
1Ω—9.9Ω |
±150 |
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10Ω—1KΩ |
±100 |
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27(6327) |
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—55～﹢155℃ |
500V |
800V |
500V |
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0.1Ω—0.49Ω |
±300 |
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3W |
— |
0.5Ω—0.99Ω |
±200 |
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5W |
— |
1Ω—9.9Ω |
±150 |
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10Ω—1.2KΩ |
±100 |
| Environmental Charcteristics环境特性测试: |
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Item |
Requirement |
Test Method |
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Temperature Shock Test |
±(5%﹢0.05Ω) |
—25℃ for 30min,25℃ for 10min and 70℃ for 30min as acycle,5cycles |
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Short Time Overload |
±(2%﹢0.05Ω) |
RCWV*2.5 or Max.overload voltage whichever is lower for 5 seconds |
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Endurance |
±(5%﹢0.05Ω) |
70±3℃,RCWV for 1000±48 hrs with 1.5 hrs"ON"and 0.5 hrs “OFF” |
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Damp Heat with Load |
±(5%﹢0.05Ω) |
40±2℃,90～95% R.H.RCWV for 1000±48 hrs with 1.5 hrs “ON”and 0.5 hrs “OFF” |
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Solderability |
95%min.coverage |
245±5℃ for 3 secpmds |
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Dielectric Withstand Voltage |
1000MΩ |
Apply 500V～1000V for 1 minute |
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