Suzhou Walter Electronic Chip Fuse 1206HC Quick Break Series Model Selection List and Online Purchase Address: Click on the image to enter
Suzhou Walter Electronics is a professional fuse manufacturer brand. Below is a detailed introduction to the 1206T slow break series of SMD fuses.
Application scope: The Suzhou Walter SMD fuse 1206HC quick break series is a universal product suitable for general electronic equipment.
Product name and code: Walter SMD fuse 1206HC quick break series code and name are as follows:
|
Series Number |
Rating Current |
Rating Voltage |
Safety Approval |
| 1206HC | 40A | 35V | cULs |
Product size and structure: Walter SMD fuse 1206HC quick break series product size and structure are as follows:
1.Product size: units（mm）
|
Type number |
L(mm) |
W(mm) |
T(mm) |
A(mm) |
| 1206HC40A35V |
3.20±0.25 |
1.60±0.25 |
0.60±0.15 |
0.58±0.20 |
2.Product structure and material description:
|
No. |
Component |
Material |
Quantity |
| （1） |
Substrate |
氧化铝陶瓷 | 1 |
| （2） |
Adhesion layer |
Epoxy |
1 |
| （3） |
Adhesion layer |
Cu Alloy / Sn |
1 |
| （4） |
Fuse element |
Cu / Ni / Sn |
2 |
| （5） |
Terminal electrode |
Flame-retardant epoxy |
1 |
| （6） |
Protective coating |
Flame-retardant epoxy |
1 |
Product Specification: Walter SMD Fuse 1206HC Quick Break Series Product Selection Specification List:
| Type Number | Marking |
Rated Current(ADC) |
Rated
Voltage (VDC) |
Nominal Resistance(Ω) |
Nominal Melting I2t |
Safety Approva |
| 1206HC12A35V | 12 | 12 | 35V |
0.00268 |
20.0 |
cULs |
| 1206HC15A35V | 15 | 15 | 35V |
0.00205 |
35.0 |
cULs |
| 1206HC20A48V | 20 | 20 | 48V |
0.00136 |
80.1 |
cULs |
| 1206HC25A48V | 25 | 25 | 48V |
0.00106 |
0.00106 |
cULs |
| 1206HC30A48V | 30 | 30 | 48V |
0.00086 |
142.0 |
cULs |
| 1206HC40A48V | 40 | 40 | 48V |
0.00068 |
240.0 |
cULs |
| 12063T3.5A63V | U1 | 3.5A | 63V |
0.0180 |
3.174 |
cULs |
| 12063T4A63V | V | 4A | 63V |
0.0155 |
4.145 |
cULs |
| 12063T5A63V | W | 5A | 63V |
0.0110 |
6.477 |
cULs |
| 12063T6A63V | W1 | 6A | 63V |
0.0128 |
9.327 |
cULs |
| 12063T6.3A63V | W1 | 6.3A | 63V |
0.0095 |
10.283 |
cULs |
| 12063T7A63V | X1 | 7A | 63V |
0.0085 |
12.696 |
cULs |
| 12063T8A63V | Y | 9A | 63V |
0.0075 |
16.582 |
cULs |
| 12063T10A63V | Z | 10A | 63V |
0.0057 |
25.909 | cULs |
Note: a. The general resistance value refers to the impedance measured under weak current conditions of less than 10% of the rated current.
b. General I ² T refers to the I corresponding to the process from power on to action time of 10mS ² T.
Product electrical characteristics: The electrical characteristics of Walter SMD fuse 1206HC quick break series are as follows:
1.time-current characteristic：
Rated current
|
1.0In |
3.5In |
3.0In |
8.0In |
10.0In |
|
|
12A to 40A |
4hrs min. |
5sec max. |
0.1sec min ; 3sec max. |
2ms min ; 50ms max. |
0.2ms min ； 20ms max. |
注：In:25℃ Rating Current
Time current characteristic curve：
2.I²-Tgraph：
The breaking capacity parameters of Walter SMD fuse 1206T slow break series are as follows:
| Rating Current | Breaking Capacity |
| 12A~15A | V=35V DC ;I=150A |
| 20A~40A | V=48V DC ;I=200A |
Product characteristics and reliability testing scope: Walter SMD fuse 1206HC quick break series product characteristics and reliability testing scope are as follows
|
Item |
Contain | Reference standard |
|
Time/current characteristics |
I=1.0In ; 2.0In and measure the value of time individually by meter |
Value of time measured in different currents is within spec. UL248-1/-14 |
|
Breaking capacity |
V=125V/63V DC;I=50A |
No a permanent arcing, ignition, bursting UL248-1/-14 |
|
Solder ability |
T=245℃±5℃, t=5s±0.5s, magnifier : 20X |
Cover ≧95% MIL-STD-202 Method 208 |
|
Soldering heat resistance |
t =30±5s T=250±5℃, t=30±5s |
No crack and damage, △R<15% Marking is easily legible MIL-STD-202, Method 210F, Condition K |
|
Thermal Shock |
-65℃ 15min~25℃ 5min~ +125℃ 15min ; 100 cycles |
No crack and damage, △R<10% MIL-STD-202, Method 107G conditionB-3 |
|
Mechanical Shock |
a=100G for 11ms, 5pulses |
No crack and damage, △R<10% MIL-STD-202, Method 213B |
|
Vibration |
A simple harmonic motion with an amplitude of 0.03 inches (maximum 0.06 inches throughout the entire process) and a frequency of approximately 10Hz to 55Hz that varies uniformly |
MIL-STD-202, Method 201A |
|
Vibration, High Frequency |
Peak value of 20g, tolerance value of ± 10%, vibration frequency of 10Hz~2000Hz, statistical time of 12 hours |
MIL-STD-202, Method 204D, Condition D |
Environmental characteristics: Walter SMD fuse 1206HC quick break series environmental characteristics are as follows:
1. Operating temperature range: -55~150 ℃. (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 diagram:)
2.
Storage conditions:
It can be stored for 2 years in a closed environment with a temperature of 10-40 ℃ and a relative humidity of ≤ 75%. It can be stored for up to 30 days under non exposed conditions with a temperature of 10-40 ℃ and a relative humidity of 95%.
