UL CUL 10.1mmx 3.1mm 4012 Fast-Acting Chip Fuse CQ40LF 500mA-40A 600VAC 350VDC With High Inrush High Breaking Capacity
Application
• Storage system power
• Cooling fan system for PC server
• Voltage regulator module
• Base station power supply
• Voltage regulator module for PC server
• High end servers / Blade computing
• Battery Management System
Main Features
• Surface mount high current fuse
• Available in ratings of 20 to 60 Amperes
• Higher voltage rating up to 100VDC
• 10.25×3.20 (mm) square shape surface mount
• Operating temperature range from -55°C to 125°C
• Enhanced thermal cycling endurance
• RoHS compliant and Halogen Free
Materials & Dimension
Construction Body Material: Ceramic
Termination Material: Silver(Ag),Nickel(Ni),Tin(Sn)
Fuse Element: Silver(Ag)
Recommended Land Pattern--Reflow Solder
Unit:mm
| | L2 | L1 | W |
| 1-30A | 6.1 | 3.25 | 3.43 |
Part Numbering
Part number system
CQ40LF 001
CQ40LF -- Series
001 -- AMP Code (Refer to below table )
| PN | Ampere
Rating
[ In ] | Voltage
Rating
( V ) | Nominal
Resistance
Cold Ohms | Nominal
Melting I t
A Sec |
| CQ40LF.500 | 500mA | 600VAC 350VDC | 0.3510 | 2.300 |
| CQ40LF1.25 | 1.25A | 0.0750 | 17.000 |
| CQ40LF002 | 2A | 0.0560 | 37.000 |
| CQ40LF020 | 20A | 0.0050 | 30.000 |
| CQ40LF030 | 30A | 0.0025 | 96.000 |
| CQ40LF040 | 40A | 0.0019 | 600.000 |
Electrical Characteristic
| Rated current | 1 In | 2 In |
| Min. | Max. |
| 0.5-40A | 4 hour | 5 sec |
Environmental Temperature at 25°C
Interrupting Rating
0.5A~40A :
150 amperes at 350V DC
150 amperes at 600V AC
Soldering Method
*Reflow Soldering : 260°C, 30Sec. max.
*Wave Soldering : 260°C, 10Sec. max.
*Hand Soldering : 350°C, 3Sec. max.
Tape and Reel Specification
Tape & Reel Quantity: 1000PCS/Reel
| Item | W | P | E | F | P1 | D | D1 |
| Criterion | 16.00 | 8.00 | 1.75 | 7.50 | 2.00 | 1.50 | 1.50 |
| Tolerance | ±0.10 | ±0.10 | ±0.10 | ±0.05 | ±0.05 | ±0.10 | ±0.10 |
| Item | P0 | 10P0 | A0 | B0 | KO | t |
| Criterion | 4.00 | 4.00 | 3.52 | 10.58 | 1.50 | 0.30 |
| Tolerence | ±0.10 | 0.20 | ±0.10 | ±0.10 | ±0.10 | ±0.05 |
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) |
Storage
The ambient temperature shall be kept between 5℃~30℃.
The relative humidity recommended for storage is between 25%~ 60%.
Sealed plastic bags with desiccant shall be used to reduce the oxidation of the termination and shall only be opened prior to use.
The products shall not be stored in areas where harmful gases containing sulfur or chlorine are present.
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UL CUL 10.1mmx 3.1mm 4012 Fast - Acting Chip Fuse CQ40LF 500mA-40A 600VAC 350VDC With High Inrush Images
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