產(chǎn)品詳情
功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
l 安裝在散熱器，于 25℃時(shí)，額定功率達(dá) 50 瓦；在不使用散熱片，25℃常溫下，額定功率是 3 瓦
Installed on the radiator, with a rated power of 50 watts at 25 ℃ ; The rated power is 3 watts at room temperature of 25 ℃ without using heat sinks
l TO-220 模壓塑封包裝
TO-220 Molded plastic packaging
l 只用一顆 M3（3mm）螺絲，便可以安裝于散熱器上
Only one M3 (3mm) screw is needed to install it on the radiator
l 保護(hù)性高的模壓塑膠封外盒，且易于安裝
Highly protective molded plastic outer box, and easy to install
l 高絕緣度 High insulation degree
l 無感設(shè)計(jì) Sensorless design
用于電源供應(yīng)器的入口端、低能量脈沖負(fù)載、射頻功率放大器之終端電阻、電壓整流器、緩沖電路器、UPS Used for the inlet end of power supplies, low-energy pulse loads, terminal resistors of RF power amplifiers, voltage rectifiers, buffer circuits, UPS
©2025 V1.0
功率型 厚膜 無感 電阻器 Power type Thick film Non inductive Resistor
|
1 |
氧化鋁基板 |
Alumina Substrate |
|
2 |
電阻層 |
Resistor Layer |
|
|
|
|
|
3 |
引腳 |
Lead |
|
4 |
模壓封裝 |
Molding |
|
|
|
|
|
測(cè)試項(xiàng)目 |
基本要求 |
測(cè)試方法 |
|
|
Test project |
Basic Requirements |
Test Method |
|
|
|
|
|
|
|
短時(shí)間過負(fù)荷 |
|
2 倍額定功率，但不超過最大耐壓的 1.5 倍，連續(xù) 5 秒鐘 |
|
|
Short term overload |
△R±0.3% |
2 times the rated power, but not exceeding 1.5 times the |
|
|
|
|
maximum withstand voltage, for 5 consecutive seconds |
|
|
負(fù)載壽命 |
△R±1.0% |
額定功率下 2000 小時(shí) |
|
|
Load Life |
2000 hours at rated power |
|
|
|
|
|
||
|
|
|
|
|
|
|
|
40±2℃、90～95%濕度下，在最大工作電壓下維持 1000 小 |
|
|
耐濕測(cè)試 |
△R±0.5% |
時(shí)（1.5 小時(shí)“開”，0.5 小時(shí)“關(guān)”） |
|
|
Humidity test |
|
Maintain 1000 hours at maximum operating voltage at 40 ±2 ℃ |
|
|
|
|
and 90-95% humidity (1.5 hours "on", 0.5 hours "off") |
|
|
|
|
|
|
|
焊接附著性 |
90%以上覆蓋新錫 |
245±5℃持續(xù) 3 秒 |
|
|
solderability |
Over 90% coverage of new tin |
245 ± 5 ℃ for 3 seconds |
|
|
熱沖擊測(cè)試 |
△R±0.3% |
-65℃～﹢150℃，100 次循環(huán) |
|
|
Thermal Shock |
65 ℃~+150 ℃, 100 cycles |
|
|
|
|
|
||
|
引線強(qiáng)度 |
△R±0.2% |
（拉力測(cè)試）2.4 牛頓 |
|
|
Lead strength |
(Tensile test) 2.4 Newtons |
|
|
|
|
|
||
|
高頻震動(dòng) |
△R±0.2% |
20 公克震動(dòng) |
|
|
High-frequency vibration |
20 grams of vibration |
|
|
|
|
|
||
|
絕緣強(qiáng)度 |
△R±0.15% |
1800V AC，60 秒 |
|
|
Dielectric Strength |
1800V AC，60 seconds |
|
|
|
|
|
||
|
溫度循環(huán) |
ΔR±0.3% |
-65°C~+150°C，1000 次循環(huán) |
|
|
Temperature Cycling |
-65°C~+150°C, 1000 cycles |
|
|
|
|
|
|
型號(hào) |
|
阻值范圍 Resistance Range |
|
溫度系數(shù) |
|
||
|
Type |
±0.5% |
|
±1% |
|
±5% |
TCR（PPM/℃） |
|
|
|
/ |
|
≥0.1Ω～1Ω |
|
±300 |
|
|
|
|
|
|
|
|
|
|
|
|
|
/ |
|
≥1Ω～5Ω |
|
±100 |
|
|
|
|
|
|
|
|
|
±200 |
|
|
RTP50 |
|
|
≥5Ω～10Ω |
|
|
||
|
|
|
|
±300 |
|
|||
|
|
|
|
|
|
|
±50 |
|
|
|
|
|
≥10Ω～100KΩ |
|
±100 |
|
|
|
|
|
|
|
|
|
±200 |
|
©2025 V1.0
|
功率型 厚膜 無感 電阻器 Power type Thick film |
Non inductive Resistor |
|
|
|
|
最大工作電壓 Maximum operating voltage |
450VDC |
|
|
|
|
耐電壓 Voltage endurance |
1800VAC |
|
|
|
|
絕緣電阻 Insulation resistance |
10GΩ min |
|
|
|
|
工作溫度范圍 Working temperature range |
- 55 ° C～+150 ° C |
|
|
|
|
產(chǎn)品類型 |
功率 |
阻值 |
精度 |
|
Product type |
Power |
Resistance |
Accuracy |
|
RTP |
50 Watts |
3R9=3.9Ω |
D：±0.5% |
|
|
|
10R=10Ω |
F：±1% |
|
|
|
20K=20KΩ |
J：±5% |
|
|
|
|
|
