High Current Ceramic Square SMD Brick Fuse 1245 30A 40A 50A 60A 70A 80A 100A 72VDC 85VDC
The High Current Ceramic Square SMD Brick Fuse in the 1245 package is a rugged, surface-mount overcurrent protection device engineered for demanding high-power applications. Constructed with a ceramic body for superior thermal and mechanical stability, this fuse is available in a wide range of high current ratings from 30A up to 100A, including 30A, 40A, 50A, 60A, 70A, 80A, and 100A. It supports DC voltage ratings of 72V and 85V, making it an ideal choice for battery-backed systems and industrial power circuits requiring reliable, high-interrupting capacity protection.
Specification
| Product Name | SMD Fuse |
| Rated Current | 30A to 100A |
| Rated Voltage | 72VDC 85VDC |
| Size | 1245 |
| Breaking Capacity | 1000A |
| Type | Brick Fuse |
| Feature | One Time Positive Disconnect |
| Part No. | Rated Voltage/DC | Rated Current/A |
| PB07030 | 72V 85V | 30A |
| PB07040 | 40A | |
| PB07050 | 50A | |
| PB07060 | 60A | |
| PB07070 | 70A | |
| PB07080 | 72V | 80A |
| PB07100 | 100A |

Dimension (mm)

Features
•Ceramic square brick construction – excellent arc quenching, high temperature resistance, and mechanical robustness
•High current handling: 30A / 40A / 50A / 60A / 70A / 80A / 100A
•DC voltage ratings: 72V DC and 85V DC
•Compact 1245 SMD footprint (approx. 12.4mm × 4.5mm) – suitable for automated assembly and space-constrained PCBs
•Low internal resistance minimizes conduction losses
•High interrupting rating – capable of safely clearing severe fault currents
•Excellent thermal cycling and surge withstand capability
•RoHS compliant and halogen-free options available
Applications
•Electric vehicle (EV) and e-mobility battery packs (e-bikes, scooters, golf carts)
•Energy storage systems (ESS) and battery management systems (BMS)
•High-power DC-DC converters and power supplies
•Industrial battery chargers and power tools
•Telecom and data center power distribution units (PDUs)
•Server and computing power rails
•Renewable energy systems (solar charge controllers, inverters)
•Robotics and servo drives
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
MP/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363