符号定义 Definition
符号 Sign
说明
Definition
Ih
WHSMD在25℃静止空气的的最大工作电流
Hold current-maximum current at which the device will not trip at 25℃ still air
It
WHSMD在25℃静止空气中启动保护的最小电流
Trip current-minimum current at which the device will always trip at still air
Pd
WHSMD在25℃静止空气中动作时消耗的功率
Power dissipation when device is in the tripped state at 25℃ still air environment at rated voltage
R1max
WHSMD回流焊后在25℃静止空气中冷却1小时后的最大电阻值
Maximum resistance of device at 25℃ measured one hour post reflow
测试项目 Test
测试项目
测试方法条件
电阻变化
Test
Conditions
Resistance change
高温老化
85℃,1000小时
典型±10%
Passive aging
+85℃,1000hrs
±10% typical
湿热老化
85℃,相对湿度85%,168小时
典型±10%
Humidity aging
+85℃,85%R.H.,168hrs
±10% typical
热冲击
-40℃到85℃,20次
典型±33%
Thermal shock
+85℃ to -40℃,20 times
±33% typical
耐溶剂性能
MIL-STD-202,方法215
无变化
Resistance to solvent
MIL-STD-202,Method 215
No change
抗震性
MIL-STD-202,方法201
无变化
Vibration
MIL-STD-202,Method 201
No change
工作温度范围:-40℃~+85℃
Ambient operating conditions: -40℃ to ~+85℃
产品保护状态下表面最高温度为125℃
Maximum surface temperature of the device in the tripped state is 125℃
载盘参数 Tape and Reel Specifications (mm)
WHSMD
2920Series
1812Series
1210Series
1206Series
0805Series
Sign
EIA 481-1
W
16.0±0.3
12.0±0.3
8.0±0.2
8.15±0.2
8.0±0.2
P0
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
P1
8.0±0.10
8.0±0.10
4.0±0.10
4.0±0.10
4.0±0.10
P2
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
2.0±0.05
A0
5.74±0.10
3.55±0.10
2.82±0.10
1.95±0.10
1.45±0.10
B0
8.02±0.10
5.10±0.15
3.46±0.10
3.45±0.10
2.30±0.10
D0
1.55±0.05
1.55±0.05
1.55±0.05
1.55±0.05
1.60±0.05
F
7.5±0.10
5.5±0.05
3.5±0.05
3.5±0.05
3.5±0.05
E1
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
T
0.22±0.05
0.22±0.05
0.22±0.05
0.22±0.05
0.22±0.05
K0
0.87±0.10
0.87±0.10
0.87±0.10
0.87±0.10
0.91±0.10
1.02±0.10
1.04±0.10
1.02±0.10
1.02±0.10
1.30±0.10
1.50±0.10
1.50±0.10
1.50±0.10
1.50±0.10
Amax
178
178
178
178
178
Nmin
50
50
50
50
50
W2
16.5±1.0
13.4±1.0
9.0±0.5
9.0±0.5
9.0±0.5
W1max
22.4
19.4
13.1
13.1
13.1
包装数量 Packing
2920Series
Pcs/Reel
1812Series
Pcs/Reel
1210Series
Pcs/Reel
1206Series
Pcs/Reel
0805Series
Pcs/Reel
2920-030
2000
1812-010
2000
1210-005
4500
1206-005
5000
0805-005
5000
2920-050
2000
1812-014
2000
1210-010
4500
1206-010
5000
0805-010
5000
2920-075
2000
1812-020
2000
1210-020
4500
1206-020
5000
0805-020
5000
2920-100
2000
1812-030
2000
1210-035
4500
1206-025
5000
0805-025
5000
2920-125
2000
1812-050
2000
1210-050
4500
1206-035
5000
0805-035
5000
2920-150
2000
1812-075
2000
1210-075
4500
1206-050
5000
0805-050
5000
2920-185
2000
1812-110
2000
1210-110
4500
1206-075
5000
0805-075
3000
2920-200
2000
1812-125
2000
1210-150
3500
1206-100
3500
0805-100
3000
2920-250
2000
1812-150
2000
1210-200
3000
1206-110
3500
0805-110
3000
2920-260
2000
1812-160
2000
1210-260
3000
1206-150
3000
-
-
2920-300
2000
1812-200
2000
-
-
1206-200
3000
-
-
-
-
1812-260
2000
-
-
1206-260
3000
-
-
-
-
1812-300
1500
-
-
-
-
-
-