CHIP RESISTOR
电阻温度系数 T.C.R(ppm/
标称阻值允许偏差 Resistance Tolerance
1%
℃)
阻值范围
Resistance
Range
型 号
Type
±0.5%
±
±5%
/
±
400
200
±
±
400
200
1
Ω≤
10Ω≤
1MΩ<
Ω≤
10Ω≤
1MΩ<
Ω≤
10Ω≤
1MΩ<
R
<
10
1M
10M
10
1M
10M
Ω
0201
0402
±
200
±
R
≤
Ω
/
±
±
200 or
200 or
±
±
400
400
R≤
Ω
±
±
200 or
200 or
±
400
400
/
1
R
<
Ω
±
±
100
±
100
±100
R
≤
Ω
/
±
±
200 or
200 or
±
400
250
R≤
Ω
±
±
200 or
200 or
±
400
250
/
±
1
R
<
10
1M
10M
Ω
±
0603
1206
2010
、
、
、
0805
1210
2512
±
100
/
±
100
R
≤
Ω
±
100
±
200 or
±
250
±
200 or
±
250
R
≤
Ω
标 准
Specifications
项目
测试方法 (IEC 60115-1)
Test Methods (IEC 60115-1)
Item
片式电阻器
Resistor
跨接电阻
Jumper
IEC 60115-1 4.17
245℃±5℃锡槽,保持3s±0.3s.
Lead-free solder bath at 245℃±5℃ for 3s±0.3s.
可焊性
Solderability
可焊面积
≥95%
可焊面积
≥95%
95% Cover Min
95% Cover Min
无可见损伤
No mechanical damage
IEC 60115-1 4.18
270℃±5℃锡槽,保持10s±1s.
耐焊接热
无可见损伤
No mechanical damage
△R≤±(1.0%R+0.05Ω)
J级:R≤50 mΩ
Resistance to
Soldering Heat
G级:0201:R≤40 mΩ
others:R≤20 mΩ Lead-free solder bath at 270℃±
5℃ for 10s±1s.
级:0201:R≤35 mΩ
others:R≤10 mΩ
F
IEC 60115-1 4.33
无可见损伤
No mechanical damage 弯曲距离(Bending distance):
基板弯曲试验
Substrate
Bending
Test
外观无可见损伤
No mechanical damage
△R≤±(1.0%R+0.05Ω)
J级:R≤50 mΩ
0201、0402、0603、0805:5mm;
1206、1210:4mm;
G
级:0201:R≤40 mΩ
others:R≤20 mΩ
2010、2512:2mm.
F
级:0201:R≤35 mΩ
others:R≤10 mΩ 保持时间(Duration):60s±5s.
IEC 60115-1 4.32
施加力(Applying force):0201:2N;0402、0603:5 N;
0805:9N;1206、1210:25N;2010、2512:45N.
保持时间(Duration):10s±1s.
剪切力试验
Shear Test
外观无可见损伤
No mechanical damage No mechanical damage
外观无可见损伤
在规定值内
Within specified T.C.R
IEC 60115-1 4.8
+20℃/-55℃/+20℃/+125℃/+20℃
电阻温度系数
/
T.C.R
无可见损伤
No mechanical damage
级:R≤50 mΩ
无可见损伤
No mechanical damage
0.5%、1%:
△R≤±(0.5%R+0.05Ω)
5%:
IEC 60115-1 4.19
温度快速变化
Rapid Change of
Temperature
-55
-55
℃
(30分钟
)
~
常温(5分钟
normal temperature(5min)
)
~155
℃
(30分钟
)
,
300个循环。
J
G
级:0201:R≤40 mΩ
℃(30min)
~
~
155 (30min) ,
℃
others:R≤20 mΩ
300cycles.
F
级:0201:R≤35 mΩ
others:R≤10 mΩ
无可见损伤
△R≤±(1.0%R+0.05Ω)
无可见损伤
No mechanical damage
0.5%、1%:
△R≤±(1.0%R+0.05Ω)
5%:
No mechanical damage
IEC 60115-1 4.13
2.5倍额定电压或最大过负荷电压/电流(取最小值),持续
J级:R≤50 mΩ
短时间过负载
Short Time
Overload
5秒。
G级:0201:R≤40 mΩ
others:R≤20 mΩ 2.5 times rated voltage or max. overload voltage
级:0201:R≤35 mΩ
others:R≤10 mΩ
F
(current) whichever is lower for 5s.
△R≤±(2.0%R+0.05Ω)
无可见损伤
No mechanical damage
级:R≤100 mΩ
G级:R≤40 mΩ
级:0201:R≤35 mΩ
others:R≤20 mΩ
IEC 60115-1 4.39
2.5倍额定电压或最大过负荷电压/电流(取最小值),通1秒/
无可见损伤
No mechanical damage
△R≤±(5.0%R+0.05Ω)
断续过负载
Intermittent
Overload
J
断
25秒,10000个循环。
2.5 times rated voltage or max. overload voltage
(current) whichever is lower for 1s ON/ 25s OFF,
F
10000 cycles.
3