符号Sign

说明

Definition

Vmax

WHSMD在阻断状态下所承受的最大电压

Maximum voltage device can withstand without damage at it rated current

Imax

WHSMD能承受的最大电流

Maximum fault current device can withstand without damage at rated voltage

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

Rmin

WHSMD在工作前的初始最小阻值

Minimum device resistance at 25℃ prior to tripping

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

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℃

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

2920

Series

Pcs/Reel

1812

Series

Pcs/Reel

1210

Series

Pcs/Reel

1206

Series

Pcs/Reel

0805

Series

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

-

-

-

-

-

-