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万瑞和供应D1812系列贴片保险丝/贴片自恢复保险丝
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SMD1812系列贴片保险丝
产品简介
贴片型、无铅、卷盘式包装，适合自动化贴装，应用于高密度线路板，工作电流：0 1-3 0A 工作电压：6-60V 工作温度：-40~85℃。
产品编号：SMD1812所属类别：贴片保险丝SMD
 订购热线：400-0503-668

WHPTC(SMD表面贴装型)自复位过流保护器 SMD1812系列（SMD1812 Series）

产品电气特性参数 Performance specification （25℃）
Model 型号VmaxImaxIhItPdTime to tripResistance
VAAAWCurrent(A)Time(s)Rmin(Ω)R1max(Ω)
WH1812-01060.0100.100.300.80.51.502.00015.000
WH1812-01460.0100.140.340.81.50.151.0006.000
WH1812-02030.0400.200.400.88.00.020.8005.000
WH1812-03030.0400.300.600.88.00.100.4003.500
WH1812-05016.0400.501.000.88.00.150.1501.200
WH1812-050/24V24.0400.501.000.88.00.150.1501.200
WH1812-07516.0400.751.501.08.00.200.1000.500
WH1812-1108.0401.102.201.08.00.300.0600.260
WH1812-110/16V16.0401.102.201.08.00.300.0700.270
WH1812-1258.0401.252.500.88.00.400.0500.220
WH1812-1508.0401.503.001.08.00.500.0400.170
WH1812-1608.0401.603.201.08.01.000.0400.160
WH1812-2008.0402.004.001.08.02.000.0300.110
WH1812-2608.0402.605.001.28.02.500.0150.060
WH1812-3006.0403.005.001.28.04.000.0100.050
产品尺寸参数 Dimensions （mm）
Model 型号ABCDE
MinMaxMinMaxMinMaxMinMin
WH1812-0104.374.733.073.410.500.900.300.25
WH1812-0144.374.733.073.410.500.900.300.25
WH1812-0204.374.733.073.410.500.900.300.25
WH1812-0304.374.733.073.410.500.900.300.25
WH1812-0504.374.733.073.410.401.000.300.25
WH1812-050/24V4.374.733.073.410.401.000.300.25
WH1812-0754.374.733.073.410.401.000.300.25
WH1812-1104.374.733.073.410.401.000.300.25
WH1812-110/16V4.374.733.073.410.401.000.300.25
WH1812-1254.374.733.073.410.301.000.300.25
WH1812-1504.374.733.073.410.301.000.300.25
WH1812-1604.374.733.073.410.301.200.300.25
WH1812-2004.374.733.073.410.301.200.300.25
WH1812-2604.374.733.073.410.501.200.300.25
WH1812-3004.374.733.073.410.801.400.300.25

 符号定义 Definition

 

符号 Sign说明Definition

Vmax

WHSMD在阻断状态下所承受的电压

Maximum voltage device can withstand without damage at it rated current

Imax

WHSMD能承受的电流

Maximum fault current device can withstand without damage at rated voltage

Ih

WHSMD在25℃静止空气的的工作电流

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
TestConditionsResistance 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 solventMIL-STD-202,Method 215No change
抗震性MIL-STD-202，方法201无变化
VibrationMIL-STD-202,Method 201No change

工作温度范围：-40℃~+85℃

Ambient operating conditions: -40℃ to ~+85℃

产品保护状态下表面温度为125℃

Maximum surface temperature of the device in the tripped state is 125℃

   载盘参数 Tape and Reel Specifications (mm)
 
WHSMD2920Series1812Series1210Series1206Series0805Series
SignEIA 481-1
W16.0±0.312.0±0.38.0±0.28.15±0.28.0±0.2
P04.0±0.104.0±0.104.0±0.104.0±0.104.0±0.10
P18.0±0.108.0±0.104.0±0.104.0±0.104.0±0.10
P22.0±0.052.0±0.052.0±0.052.0±0.052.0±0.05
A05.74±0.103.55±0.102.82±0.101.95±0.101.45±0.10
B08.02±0.105.10±0.153.46±0.103.45±0.102.30±0.10
D01.55±0.051.55±0.051.55±0.051.55±0.051.60±0.05
F7.5±0.105.5±0.053.5±0.053.5±0.053.5±0.05
E11.75±0.101.75±0.101.75±0.101.75±0.101.75±0.10
T0.22±0.050.22±0.050.22±0.050.22±0.050.22±0.05
K00.87±0.100.87±0.100.87±0.100.87±0.100.91±0.10
1.02±0.101.04±0.101.02±0.101.02±0.101.30±0.10
1.50±0.101.50±0.101.50±0.101.50±0.10 
Amax178178178178178
Nmin5050505050
W216.5±1.013.4±1.09.0±0.59.0±0.59.0±0.5
W1max22.419.413.113.113.1

包装数量 Packing
 
2920SeriesPcs/Reel1812SeriesPcs/Reel1210SeriesPcs/Reel1206SeriesPcs/Reel0805Series

Pcs/Reel

2920-03020001812-01020001210-00545001206-00550000805-0055000
2920-05020001812-01420001210-01045001206-01050000805-0105000
2920-07520001812-02020001210-02045001206-02050000805-0205000
2920-10020001812-03020001210-03545001206-02550000805-0255000
2920-12520001812-05020001210-05045001206-03550000805-0355000
2920-15020001812-07520001210-07545001206-05050000805-0505000
2920-18520001812-11020001210-11045001206-07550000805-0753000
2920-20020001812-12520001210-15035001206-10035000805-1003000
2920-25020001812-15020001210-20030001206-11035000805-1103000
2920-26020001812-16020001210-26030001206-1503000--
2920-30020001812-2002000--1206-2003000--
--1812-2602000--1206-2603000--
--1812-3001500------ 

以上产品资料内容如有变更将不另行通知，敬请谅解。不详之处，请来电咨询，谢谢！

以上SMD1812贴片自恢复保险丝产品参数仅供参考，实际参数以当时规格书为准