Introduction to 2020 250V Slow Break Series of Plastic Square Fuses

Walter Electronic Plastic Square Fuse 2020 (8 * 5 * 4) 250V Series Model Selection List and Current Purchase Address: Click on the image to enter

Walter Electronic Plastic Square Fuse 2020 (8 * 5 * 4) 250V series is a general-purpose fuse suitable for general electronic circuits.

Product code: Walter 2010 Plastic Square Fuse 20210 250V Series Slow Break Product code is as follows:

Rated current and rated voltage range: Walter Ward plastic square fuse 2020-250V series current and voltage range：

Rated current：100mA~10A
rated voltage：250V AC

Product identification: Walter Electronic Plastic Square Fuse 2020-250V 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: 250

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 2020-250V Slow Break Series engineering structure drawings are as follows:

1. Product engineering drawings:

2.product mix：

Product features: Walter Electronic Plastic Square Fuse 2020-250V 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 2020-250V slow break series electrical characteristics are as follows:

1. Fusing current characteristics:

2.Product specifications：

3.Breaking Capacity：

4.Time current curve：

Environmental characteristics: Walter electronic plastic square fuse 2020-250V 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 2020-250V Slow Break Series Safety Specification Certification is as follows: