|
Products
產(chǎn)品
|
Metal Film Fixed Resistors
金屬膜固定電阻器
|
|
|
Features
特點
|
1. Low temperature coefficient ,high precision ,and
good high frequency performance .
低溫度系數(shù)、精度高、高頻性好。
2. Operating ambient temperature
使用環(huán)境溫度：-55°C ~+155°C
3. Film the metal in Vacuum ,the surface coating is green
resin with the good waterproof .
真空濺射金屬皮膜，涂層為湖綠色環(huán)氧樹脂，防水性好。
4. Resistance tolerance 阻值誤差 : ±5%，±1%. 0.1% 0.01%
|
|
|
Part No.
料號
|
Power
功率
|
Resistance
tolerance
阻值范圍
|
Max. working
Voltage
最大工作電壓
|
Max. overload
voltage
最大負荷電壓
|
Max. insulation
voltage
最高絕緣電壓
|
|
| |
|
CMF016
MFR016
|
1/8W
1/4W
|
0R~22M
|
150V
|
300V
|
300V
|
|
|
CMF014S
MFR014S
|
1/4WS
|
0R~22M
|
150V
|
300V
|
300V
|
|
|
CMF014
MFR014
|
1/4W
|
0R~22M
|
250V
|
500V
|
500V
|
|
| |
|
CMF12S
MFR12S
|
1/2WS
|
0R~22M
|
250V
|
500V
|
500V
|
|
| |
|
MFR012
|
1/2W
|
0R1~22M
|
350V
|
700V
|
700V
|
|
|
MFR01S
|
1WS
|
0R1~22M
|
350V
|
700V
|
700V
|
|
|
MFR01B
|
1W
|
0R1~22M
|
500V
|
1000V
|
1000V
|
|
|
MFR02S
|
2WS
|
0R1~22M
|
500V
|
1000V
|
1000V
|
|
|
MFR02B
|
2W
|
0R1~22M
|
500V
|
1000V
|
1000V
|
|
|
MFR03S
|
3WS
|
0R1~22M
|
500V
|
1000V
|
1000V
|
|
|
MFR03B
|
3W
|
0R1~22M
|
700V
|
1200V
|
1000V
|
|
|
MFR05S
|
3WS
|
0R1~22M
|
700V
|
1200V
|
1000V
|
|
|
Test Item 測試項目
|
Test Condition 測試條件
|
Performance
性能
|
|
|
Temperature Coefficient
溫度系數(shù)
|
The resistance value at normal temperature and
normal temperature added 100°C, calculate per °C resistance value change rate. 在常溫及常溫+100°C時分別測量電阻值并計算每度的阻值變化。
|
±300ppm/°C
|
|
|
Short Time overload
短時間過負荷
|
10×rated voltage or Max. overload voltage(get the lower) for 5 seconds. 施加10倍額定功率的電壓或最高負荷電壓（取較小者）5秒。
|
R≤±(0.5%R0+0.05Ω)
|
|
|
Pulse overload
斷續(xù)過負荷
|
At 4×rated voltage or Max. pulse overload voltage(get the lower)cycle 10000±200times(1second on,25 seconds off).4倍額定電壓或最高負荷斷續(xù)電壓（取較小者）測試1秒，停25秒，循環(huán)10000±200次。
|
R≤±(1%R0+0.05Ω)
|
|
|
Resistance to soldering Heat耐焊接熱
|
Immerge into the 350±10°C tin stove for 2~3seconds. 在350±10°C錫爐中浸入2~3秒。
|
R≤±(0.5%R0+0.05Ω)
|
|
|
Solderability
可焊性
|
Immerge into the 245±3°C tin stove for 2~3seconds. 在245±3°C錫爐中浸入2~3秒。
|
The soldering area
is over 95%焊錫面積覆蓋率達95%以上
|
|
|
Temperature cycling
溫度循環(huán)
|
At -55°C for 30 min. ,then at+25°C for 10~15°C,then at +125°C for 30 min., then at +25°C for 10~15 min., total 5cycles.在-55°C時放置30分鐘，然后在+25°C時放置10~15分鐘，然后再在+275°C時放置30分鐘，接著在+25°C時放置10~15分鐘，共循環(huán)5次。
|
R≤±(0.5%R0+0.05Ω)
|
|
|
Load life in humidity
耐濕負荷壽命
|
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 40±2°C and 90~95% relative humidity. 在溫度為40±2°C，相對濕度為90~95%的恒溫恒濕箱中，施加額定電壓或最大工作電壓（取較小者）共1000小時（通電0.5小時，斷電0.5小時）
|
R≤±(2%R0+0.05Ω)
|
|
|
Load life in heat
耐濕負荷壽命
|
Overload rated voltage or Max. working voltage(get the lower) for 1000 hours(1.5hours on and 0.5 hours off) at the 70±2°C. 在溫度為70±2°C的恒溫恒濕箱中，施加額定電壓或最大工作電壓（取較小者）共1000小時（通電0.5小時，斷電0.5小時）
|
R≤±(2%R0+0.05Ω
|
|
| |
|
|
|
|
|
|
|
|
|
