DLB45-50A
Descriptions
- Fast Acting High current brick fuse
- Surface mount deign to save space
- Ceramic Suqare body with end cap design
- Designed to UL248-1/14
Electrical Characteristics
| Amp Rating | % of Amp Rating | Opening Time |
|---|---|---|
| 30~100A | 100% | 4 Hours Min. |
| 250% | 10s Max. |
Specifications
| Part No. | Rated Current (A) |
Rated Voltage (V) |
Breaking Capacity DC¹ |
Typ. Cold Resistance (mΩ) |
Typical Voltage Drop (mV) |
Pre-Arcing I²t(A²Sec)² |
|---|---|---|---|---|---|---|
| DLB45-30A | 30 | 72V /dc 85V /dc |
1000A | 1.57 | 70 | 820 |
| DLB45-40A | 40 | 1.20 | 67 | 1350 | ||
| DLB45-50A | 50 | 1.00 | 77 | 2050 | ||
| DLB45-60A | 60 | 0.79 | 72 | 3200 | ||
| DLB45-70A | 70 | 0.68 | 80 | 4800 | ||
| DLB45-80A | 80 | 0.56 | 70 | 6000 | ||
| DLB45-100A | 100 | 72V /dc | 0.41 | 63 | 10500 |
1.Typical Pre-arcing I2t are measured at 10In Current
2. Internal qualification for 85Vdc
Dimension
Unit: mm
Packaging
Quantity: 1, 000pcs
24mm wide tape on 330mm (13 inch) diameter
reel -specification EIA Standard 481.
Pad layout
Soldering Parameters
Infrared Reflow Soldering: 260°C, 30 seconds max.
Hand Soldering: 350°C, 5seconds max.
IR Reflow Profile
| Parameter | |
|---|---|
| Temperature min (Tsmin) | 150 °C |
| Temperature max (Tsmax) | 200 °C |
| Time (Tsmin to Tsmax) (ts) | 60 - 120 seconds |
| Average ramp-up rate (Tsmax to Tp) | 3 °C/second max |
| Liquidous temperature (TL) | 217 °C |
| Time at liquidous (tL) | 60 - 150 seconds |
| Peak temperature (Tp) | 260 °C |
| Time within 5 °C of actual peak Temperature (tp) |
30 seconds |
| Average ramp-down rate (Tp to Tsmax) | 6 °C/second max |
| Time 25 °C to peak temperature |
8 minutes max |
Temperature Re-rating Curve
Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation
- Normal Operating Temperature: 25°C± 2°C
- Operating Temperature: -55°C to 125°C with proper correction factor applied.
Time-Current Curves
