Aolittel Technology Co.,Ltd
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3216 SMD Ceramic Slow Blow High Inrush Chip Fuse CQ12LH 3.1x1.6 mm 1-20A 63V 24V For Input Power Port
Approval Recognized Component for Canada and U.S. 1A~20A
Interrupting Rating
1A~8A : 100 amperes at 63V DC
10A~20A : 150 amperes at 24V DC
Application
•Cell phones
•Battery packs
•Digital cameras
•DVD players
•Hard disk drives
Electrical Characteristic
| Rated current | 1 In | 2 In | 3 In | 8 In | |
| MIN | MIN | MAX. | MAX | max | |
| 1A~2A | 4hr | 1 SEC | 120 SEC | 3 SEC | 0.05 sec |
Dimension
Part numbering
| Product Type | Printing | (A) | (V) | cold resistance | maximum voltage drop | I²T value | Breaking capacity | Weight(single product) |
| CQ12LH 001 | H | 1A | 63V | 0.23 | 0 | 0.17 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 002 | N | 2A | 63V | 0.075 | 0 | 0.72 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 003 | P | 3A | 63V | 0.032 | 0 | 1.35 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 004 | S | 4A | 63V | 0.018 | 0 | 2.24 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 005 | T | 5A | 63V | 0.013 | 0 | 3 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 006 | U | 6A | 63V | 0.009 | 0 | 4.68 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 007 | V | 7A | 63V | 0.008 | 0 | 6.37 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 008 | W | 8A | 63V | 0.007 | 0 | 8.32 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 010 | 10 | 10A | 24V | 0.006 | 0 | 12 | 150 amperes at 24V DC | 0.0152 |
| CQ12LH 012 | 12 | 12A | 24V | 0.005 | 0 | 17.28 | 150 amperes at 24V DC | 0.0152 |
| CQ12LH 015 | 15 | 15A | 24V | 0.003 | 0 | 29.25 | 150 amperes at 24V DC | 0.0152 |
| CQ12LH 020 | 20 | 20A | 24V | 0.002 | 0 | 52 | 150 amperes at 24V DC | 0.0152 |
| CQ12LH 1.50 | K | 1.5A | 63V | 0.125 | 0 | 0.394 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 2.50 | O | 2.5A | 63V | 0.05 | 0 | 0.938 | 100 amperes at 63V DC | 0.0152 |
| CQ12LH 3.50 | R | 3.5A | 63V | 0.027 | 0 | 1.838 | 100 amperes at 63V DC | 0.0152 |
1.Measured at ≦ 10% of rated current and 25°C.
2.Melting I2t at 1000% of current rating.
3.Certified (cRUus) and Customized up to 125V
Features
a. High voltage and high current rating
b. High inrush and high breaking capacity
c. Fast arcing extinguished
d. Lead free & Halogen free material
e. Good explosion proof
f. Precise fusing time and cut-off completed
g. Suitable for rated current of 1A ~20A
Environmental Specification
Operating Temperature -55°C to +125°C
Vibration MIL-STD-202G, Method 201(10-55 Hz, 0.06 inch, total excursion)
Salt Spray MIL-STD-202G, Method 101, Test Condition B (48Hrs)
Insulation Resistance MIL-STD-202G, Method 302, Test Condition A
Resistance to Solder Heat MIL-STD-202G, Method 210, Test Condition B (10sec, at 260°C)
Thermal Shock MIL-STD-202G, Method 107, Test Condition B (-65°C to +125°C)
Physical Specification
Material Construction
Body Material: Ceramic
Termination Material: Silver(Ag),Nickel(Ni),Tin(Sn)
Fuse Element: Silver(Ag)
Packaging
1. Tape & Reel : 8mm tape
2. Packaging Specification : EIA Standard 481-D
3.Quantity : 4,000 pcs per reel.
FUSE TYPE
There are four basic types of fuses:
(1)Slow Blow/Time lag fuses
(2)Dual element slow blow fuses
(3)Fast acting fuses
(4)Very fast acting fuses
Slow-blow fuses are ideal for circuits with a transient surge or power-on inrush.These circuits
include:motors,transformers,incandescent lamps and capacitate loads.Fast-acting fuses response quickly and are used in circuits without transient inrush currents. Very fast-acting fuses often have silver linked. Because the fuses need to have ability to limit the current,these fuses are usually used to protect semiconductor circuits.