
312003P Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.95 | Condition is New, Lot of 16 Ericsson in line Fuse -0 LITTLEFUSE 312003P, shipping cost = $9.35 | 100.0% |
![]() | $35.00 | Condition is New, ERICSSON 344A4528P55 IN LINE FUSE AND HOLDER / LITTLEFUSE #312003P - LOT OF (14), shipping cost = $20.37 | 99.8% |

The Ericsson 312003P 16-Line Fuse, manufactured by Littlefuse, is a reliable and robust protection solution designed for telecommunications applications. This fuse is specifically engineered to withstand the demanding conditions of the telecom industry.
This 16-line fuse measures 11.1 millimeters in width and 13.5 millimeters in height, making it a compact solution for space-constrained applications. Each line can accommodate a current rating of up to 300 milliamperes (mA), allowing for efficient use of space while providing adequate protection for each line.
The Ericsson 312003P 16-Line Fuse is constructed using a Low Melting Point Alloy (LMPA) material, which offers excellent overload and short-circuit protection. This material ensures that the fuse will melt at a predictable temperature when an excessive current flows, preventing damage to the circuit and ensuring the continuity of the communication network.
The fuse's lines are individually protected by a layer of porcelain insulation, ensuring that each line is isolated from its neighbors. This design minimizes the risk of interline communication, which can lead to unwanted short circuits and potential damage to the circuit.
The Ericsson 312003P 16-Line Fuse also features a fuse clips design that allows for easy insertion and removal of the fuses. The clips securely hold the fuses in place, ensuring that they remain in contact with the circuit and continue to provide protection.
In summary, the Ericsson 312003P 16-Line Fuse from Littlefuse is a robust and reliable protection solution for telecommunications applications. Its compact size, high current rating, and individual line protection make it an efficient and effective solution for safeguarding telecom circuits. The use of LMPA material and porcelain insulation provides excellent overload and short-circuit protection, ensuring the continuity of communication networks.
The Ericsson 312003P 16-line Fuse from Littlefuse is a protective device designed to safeguard electrical circuits against short circuits, overcurrent, and overvoltage. Like any other product, it comes with its advantages and disadvantages.
Advantages:1. Reliability: Littlefuse is a well-known brand in the fuse industry, and their products are known for their high reliability and durability. The Ericsson 312003P is no exception.
2. High Current Rating: This fuse has a high current rating, making it suitable for applications with high current requirements.
3. Protection against Overvoltage: This fuse can protect against overvoltage, which is an essential feature for sensitive electronic components.
4. Interchangeability: This fuse is interchangeable with other 16-line fuses from other manufacturers, making it a convenient option for those who need to replace multiple fuses.
Disadvantages:1. Cost: Compared to other fuse options, the Ericsson 312003P from Littlefuse can be more expensive.
2. Size: Due to its high current rating and 16-line configuration, this fuse is larger than some other options, which may make it more difficult to install in tight spaces.
Conclusion:The Ericsson 312003P 16-line Fuse from Littlefuse is a reliable and effective protective device for applications with high current requirements and sensitivity to overvoltage. However, it may be more expensive and larger than some other options. Ultimately, the decision to purchase this fuse will depend on the specific needs and constraints of the application.
Recommendation:If your application requires a high current rating, protection against overvoltage, and the convenience of interchangeability with other 16-line fuses, then the Ericsson 312003P from Littlefuse is a solid choice. However, if cost and size are primary concerns, it may be worth exploring other options with lower current ratings or alternative fuse configurations.
Details:
Please pay particular attention to the measurements, different manufacturers sizes are from one other.
specifications fuseaud:
- brand: Ericsson
- mpn: 312003p
- model: 0 312003p
- type: Fuse
- amperage: 3a
- voltage: 250v
- country of origin: United States
offer fuseaud:
- sold #: 9
- started: february 24, 2026
- prices: $24.95–$35.00
- item condition: New
- in stock #: 2
- options: ship-to-home
- availability: in stock
returns fuseaud:
- method: money back
- paid by: buyer
- policy: returns accepted
- time: 30 days
seller fuseaud:
- rating: 100.0%
- # reviews: 2738
- city: brick, new jersey
payments fuseaud:
- other
- credit card: mastercard
- wallet: google-pay
general fuseaud:
- category: Electronics > Vehicle Gps > Car Audio Video Installation > Fuses Holders
shipping fuseaud:
- transit: 3-8 days
- class: standard
- type: fixed
- service: standard

