HNST WELCOME! 0755-23173910
English /中文
你当前的浏览器版本过低或不支持。请升级或更换浏览器。推荐浏览器 Chrome Edge。

Walter Electronic Plastic Square Fuse 2020 (8 * 5 * 4) 300V Series Model Selection List and Current Purchase Address: Click on the image to enter

 

Walter Electronic Plastic Square Fuse 2020 (8 * 5 * 4) 300V series is a general-purpose fuse suitable for general electronic circuits.

 

 

Product code: Walter 2010 Plastic Square Fuse 20210 300V Series Slow Break Product code is as follows:

serial number delay Rated current rated voltage Safety regulations symbols
2020 T 6.3A 300V cULs/VDE

 

Rated current and rated voltage range: Walter Ward plastic square fuse 2020-300V series current and voltage range:

Rated current:100mA~10A
rated voltage:300V AC

 

Product identification: Walter Electronic Plastic Square Fuse 2020-300V Slow Break Series has the following identification

 

1. Manufacturer and product name identification: logo+2020

 

2. Electrical characteristics: T (delay fuse)

 

3. Rated current: A/mA

 

4. Rated voltage: 300

 

5. Safety certification symbols: UL, CCC, VDE, PSE

 

 


Appearance and shape:

 

1. Appearance: There should be no damage or obvious bruises

 

2. Shape: Small fuse with pins

 

Engineering drawings and structure: Walter Huade Electronic Plastic Fuse 2020-300V Slow Break Series engineering structure drawings are as follows:

 

1. Product engineering drawings:

2.product mix:

element material quality number
body Heat resistant plastic:UL-94-V0 1
terminal Tinned Copper 2

 

Product features: Walter Electronic Plastic Square Fuse 2020-300V Slow Break Type Series product features are as follows:

 

1. Pin tensile strength: 10 Newton 10 ± 1s

 

2. Pin thrust strength: 2 Newton 10 ± 1s

 

3. Solderability: Wave soldering at 260 ℃, ≤ 3s; Soldering iron: 350 ± 10 ℃, ≤ 1s

 

4. Welding heat resistance: Wave soldering: 260 ± 10 ℃, 10s; Soldering iron: 350 ℃, 3s

 

 


Electrical characteristics: Walter Huade electronic plastic square fuse 2020-300V slow break series electrical characteristics are as follows:

 

1. Fusing current characteristics:

RATED CURRENT 2.1 In 2.75 In 4 In 10 In
Max. Min Max. Min Max. Min Max.
100mA~10A 2min 400ms 10s 150ms 10s 20ms 150ms

 

2.Product specifications:

Rated current Cold Resistance Maximum voltage drop(mV) Maximum power consumption(mW) I²T(A2 Sec@10In)
100mA

2.75Ω

350

170

0.11

125mA  1.83Ω  300  180  0.11

160mA

1.15Ω 280 190 0.17

200mA

 0.80Ω  260  200  0.30

250mA

 0.71Ω  240  220  0.63

315mA

 0.48Ω  220  250  1.0

400mA

 0.33Ω  200  280  1.5

500mA

0.24Ω 190 310  2.9

630mA

 0.20Ω  180  360  4.3

800mA

0.13Ω  160  430  6.5

1A

94.00mΩ  140  500  11

1.25A

67.50mΩ  130  600  15

1.6A

46.05mΩ  120  730  26

2A

33.80mΩ  100  870  37

2.5A

23.80mΩ  100  1000  61

3.15A

17.30mΩ  100  1200  98

4A

12.70mΩ  100  1400  136

5A

10.10mΩ  100  1500  212

6.3A

 7.50mΩ  100  1650  321

8A

5.50mΩ

80 1800 360

10A

4.50mΩ

75 2000 405

 

3.Breaking Capacity:

UL

100mA~10A

50A/300V AC

VDE

100mA~6.3A

50A/300V AC

TUV

8A~10A

100A/300V AC

CQC

1A~5A

50A/300V AC

6.3A~10A

100A/300V AC

PSE

1A~10A

100A/300V AC

KC

100mA~6.3A

50A/300V AC

 

4.Time current curve:

Environmental characteristics: Walter electronic plastic square fuse 2020-300V slow break series environmental characteristics are as follows:

 

1. Operating temperature range: -55~125 ℃. (Note: If it exceeds the range of 25 ± 5 ℃, the impact of environmental temperature on the fuse should be considered when selecting the fuse specification. Please refer to the temperature curve:

 

2. Storage conditions:

 


It can be stored for 3 years under sealed conditions with a temperature of+10~60 ℃ and a relative humidity of 75% or less.

 

It can be stored for up to 30 days under non exposed conditions with a temperature of+10~60 ℃ and a relative humidity of 95%.

 

 


Installation method and conditions:

 

1. It is recommended to install as shown in the following figure and meet the required dimensions.

 

 

2. Suggest customers to adjust the welding parameters:

 

Wave soldering parameters:

 

Tin furnace temperature: 260 ℃ Max

 

Welding time: 2-5s

 

Manual welding parameters:

 

Solder iron temperature: 350 ± 5 ℃

 

Welding time: 1-2 seconds Max

 

Safety Specification Certification: Walter Electronic Plastic Square Fuse 2020-300V Slow Break Series Safety Specification Certification is as follows:

UL

E56092 (100mA~10A)

VDE

40018781 (100mA~6.3A)

TUV

J50361151 (8A~10A)

CQC

CQC20012271742 (1A~10A)

PSE

JET2179-31007-1003 (1A~5A)、JET2179-31007-1004 (6.3A~10A)

KC

SU05015-12004 (100mA)、SU05015-12005 (125mA~800mA)

SU05015-12001 (1A~2.5A)、SU05015-12003 (3.15A~6.3A)

Brand

Product Recommendation

Recommend Article