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WH1812 Series SMD Resettable Fuse
Introduction
SMD type, lead-free, roll-reel packaging for automated assembly, used in high-density circuit boards, working current: 0 1-3 0A Operating Voltage :6-60V Working temperature: -40 ~ 85 ℃
Product Number: Category:Varistors
Hits:Order Hotline:400-0503-668
Tags SMD Resettable Fuse PPTC
 
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WH1812 Series SMD Resettable Fuse

SMD1812自复位过流保护器产品的尺寸和标识
Performance specification (25℃)
Model 型号 Vmax Imax Ih It Pd Time to trip Resistance
V A A A W Current(A) Time(s) Rmin(Ω) R1max(Ω)
WH1812-010 60.0 10 0.10 0.30 0.8 0.5 1.50 2.000 15.000
WH1812-014 60.0 10 0.14 0.34 0.8 1.5 0.15 1.000 6.000
WH1812-020 30.0 40 0.20 0.40 0.8 8.0 0.02 0.800 5.000
WH1812-030 30.0 40 0.30 0.60 0.8 8.0 0.10 0.400 3.500
WH1812-050 16.0 40 0.50 1.00 0.8 8.0 0.15 0.150 1.200
WH1812-050/24V 24.0 40 0.50 1.00 0.8 8.0 0.15 0.150 1.200
WH1812-075 16.0 40 0.75 1.50 1.0 8.0 0.20 0.100 0.500
WH1812-110 8.0 40 1.10 2.20 1.0 8.0 0.30 0.060 0.260
WH1812-110/16V 16.0 40 1.10 2.20 1.0 8.0 0.30 0.070 0.270
WH1812-125 8.0 40 1.25 2.50 0.8 8.0 0.40 0.050 0.220
WH1812-150 8.0 40 1.50 3.00 1.0 8.0 0.50 0.040 0.170
WH1812-160 8.0 40 1.60 3.20 1.0 8.0 1.00 0.040 0.160
WH1812-200 8.0 40 2.00 4.00 1.0 8.0 2.00 0.030 0.110
WH1812-260 8.0 40 2.60 5.00 1.2 8.0 2.50 0.015 0.060
WH1812-300 6.0 40 3.00 5.00 1.2 8.0 4.00 0.010 0.050
Dimensions (mm)
Model 型号 A B C D E
Min Max Min Max Min Max Min Min
WH1812-010 4.37 4.73 3.07 3.41 0.50 0.90 0.30 0.25
WH1812-014 4.37 4.73 3.07 3.41 0.50 0.90 0.30 0.25
WH1812-020 4.37 4.73 3.07 3.41 0.50 0.90 0.30 0.25
WH1812-030 4.37 4.73 3.07 3.41 0.50 0.90 0.30 0.25
WH1812-050 4.37 4.73 3.07 3.41 0.40 1.00 0.30 0.25
WH1812-050-24V 4.37 4.73 3.07 3.41 0.40 1.00 0.30 0.25
WH1812-075 4.37 4.73 3.07 3.41 0.40 1.00 0.30 0.25
WH1812-110 4.37 4.73 3.07 3.41 0.40 1.00 0.30 0.25
WH1812-110-16V 4.37 4.73 3.07 3.41 0.40 1.00 0.30 0.25
WH1812-125 4.37 4.73 3.07 3.41 0.30 1.00 0.30 0.25
WH1812-150 4.37 4.73 3.07 3.41 0.30 1.00 0.30 0.25
WH1812-160 4.37 4.73 3.07 3.41 0.30 1.20 0.30 0.25
WH1812-200 4.37 4.73 3.07 3.41 0.30 1.20 0.30 0.25
WH1812-260 4.37 4.73 3.07 3.41 0.50 1.20 0.30 0.25
WH1812-300 4.37 4.73 3.07 3.41 0.80 1.40 0.30 0.25
SMD1812系列产品电流折减与环境温度和25°C动作时间曲线图

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Definition

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

WHSMD25℃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

WHSMD25℃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

WHSMD25℃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

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℃

 

EIA标准载带尺寸图和标准载盆样图

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

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

-

-

-

-

-

-


Shenzhen Wondhope Electric Co.,Ltd.
Address:2/F, Bldg 3, Minxing Industrial Zone, Minkang Rd, Minzhi Office, Longhua New Area
Tel:+86.755-29503668 Fax:+86.755-29503998 粤ICP备05046856号-5
E-mail:inquiry@wondhope.com