Walter Electronic Plastic Square Fuse 2020 (8 * 5 * 4) 400V Series Model Selection List and Current Purchase Address: Click on the image to enter
Walter Electronic Plastic Square Fuse 2020 (8 * 5 * 4) 400V series is a general-purpose fuse suitable for general electronic circuits.
Product code: Walter 2010 Plastic Square Fuse 20210 400V Series Slow Break Product code is as follows:
serial number | delay | Rated current | rated voltage | Safety regulations symbols |
2020 | T | 6.3A | 400V | cULs/VDE |
Rated current and rated voltage range: Walter Ward plastic square fuse 2020-400V series current and voltage range:
Rated current:100mA~10A
rated voltage:400V AC
Product identification: Walter Electronic Plastic Square Fuse 2020-400V 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: 400
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 2020-400V 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 2020-400V 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 2020-400V 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 |
3.Breaking Capacity:
UL |
100mA~10A |
50A/400V AC |
VDE |
100mA~5A |
50A/400V AC |
4.Time current curve:
Environmental characteristics: Walter electronic plastic square fuse 2020-400V 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 2020-400V Slow Break Series Safety Specification Certification is as follows:
UL |
E56092(100mA~6.3A) |
VDE |
40042706(100mA~5A) |