DHC49-100A
High Current Brick Fuse
Ampere Rating 40-100A
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

Applications
- Power battery protection
- Test equipment
- Power supplies
- Game systems
- Industrial equipment
- Telecom system
Electrical Characteristics
| Amp Rating | % of Amp Rating | Opening Time |
|---|---|---|
| 40~100A | 1.0 In | 4 hour min. |
| 2.5 In | 10s max. |
Specifications
| Part No. | Rated Current (A) | Rated Voltage (V) | Breaking Capacity DC ¹ | Typ. Cold Resistance (mΩ) | Typical Voltage Drop (mV) | Pre-Arcing I²t (A²s) ² |
|---|---|---|---|---|---|---|
| DHC49-40A | 40 | 72Vdc 85Vdc |
1000A | 1.2 | 67 | 1350 |
| DHC49-50A | 50 | 1.0 | 77 | 2050 | ||
| DHC49-60A | 60 | 0.79 | 72 | 3200 | ||
| DHC49-70A | 70 | 0.68 | 80 | 4800 | ||
| DHC49-80A | 80 | 0.56 | 70 | 6000 | ||
| DHC49-100A | 100 | 72Vdc | 0.41 | 53 | 10500 |
1.Typical Pre-arcing I2t are measured at 10In Current
2. Internal qualification for 85Vdc
Dimension
Unit: mm

Pad layout
Unit: mm

Soldering Parameters

IR Reflow Profile
| Preheat Heat | |
|---|---|
| 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+0/-5°C |
| Time within 5°C of actual peak Temperature (tp) | 10-30 seconds |
| Average ramp-down rate (Tp to Tsmax) | 6°C/second max. |
| Time 25 °C to peak temperature | 8 minutes max. |
Soldering Characteristics
Reflow Soldering
- Temperature: 260° C
- Time: 30 Seconds Maximum
Time-Current Curves
