---
product_id: 165860847
title: "BOJACK T4AL250V 5x20mm 4A 250V Slow Blow Fuses 4 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20)"
brand: "bojack"
price: "69 Lei"
currency: RON
in_stock: true
reviews_count: 9
category: "Bojack"
url: https://www.desertcart.ro/products/165860847-bojack-t4al250v-5x20mm-4a-250v-slow-blow-fuses-4-amp
store_origin: RO
region: Romania
---

# Slow-blow time-delay tech 4A current rating 250V voltage capacity BOJACK T4AL250V 5x20mm 4A 250V Slow Blow Fuses 4 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20)

**Brand:** bojack
**Price:** 69 Lei
**Availability:** ✅ In Stock

## Summary

> ⏳⚡ Fuse your circuits with confidence — slow to blow, fast to protect!

## Quick Answers

- **What is this?** BOJACK T4AL250V 5x20mm 4A 250V Slow Blow Fuses 4 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20) by bojack
- **How much does it cost?** 69 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/165860847-bojack-t4al250v-5x20mm-4a-250v-slow-blow-fuses-4-amp)

## Best For

- bojack enthusiasts

## Why This Product

- Trusted bojack brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact 5x20mm Glass Tube:** Fits seamlessly into tight spaces like vacuums & microwaves
- • **Robust 250 Volt Endurance:** Reliable protection for high-voltage circuits up to 250V
- • **Time-Delay Slow-Blow Design:** Absorbs surge currents to prevent nuisance blowouts
- • **Precision 4 Amp Current Rating:** Engineered to handle steady 4A loads without fail
- • **Bulk Pack of 20 with Storage Case:** Always be ready with spares neatly organized on hand

## Overview

The BOJACK T4AL250V fuse pack offers 20 high-quality 5x20mm slow-blow glass tube fuses rated at 4 amps and 250 volts. Designed with time-delay technology, these fuses withstand short surge currents without blowing prematurely, making them ideal for protecting sensitive electronics and appliances. Compact and durable, they come in a convenient storage case, perfect for professionals and DIYers who demand reliable circuit protection.

## Description

BOJACK 20 Pcs High Quality Slow-blow Glass Fuse Fuse model:T4AL250V Fuse Current: 4A Fuse Voltage: 250V Fuse Dimension:5x20mm/0.2x0.78 Inch The role of the Slow-blow fuse：The slow-blow fuse is also called a time-delay fuse. Its delay characteristic is maintained in the circuit when it has a non-fault pulse current and can protect against long-term overload. Some circuits have a current greater than a few times the normal operating current at the switching instant. Although this current peak is very high, it occurs for a short period of time. We call it a pulse current or an inrush current or a surge current. Ordinary fuses can not withstand such currents. If such a circuit uses an ordinary fuse, it may not be able to start normally. If a larger fuse is used, it will not be protected when the circuit is overloaded. The melt of the time-delay fuse is specially processed to absorb energy. By adjusting the energy absorption, it can resist the inrush current and protect the overload.

Review: So far so good - So I was a little weary buying Chicom components. I usually stay away but this was the only one I could get of this value. Seems to work and does the job. It fits perfectly. For those of you who may not know this is the shorter fuse. You might find in vacuums, microwaves and so on
Review: GOOD PRODUCT - Im a service tech. bought these to have on my truck

## Features

- BOJACK 20 Pcs High Quality Slow-blow Glass Fuse
- Fuse Dimension: 5x20mm/0.2x0.78 Inch
- Fuse Current: 4A
- Fuse Voltage: 250V
- Package Quantity: 20 pcs Packed in a plastic storage case

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 4 Amps |
| ASIN | B07X3N43CH |
| Best Sellers Rank | #50,849 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #63 in Cartridge Fuses |
| Brand | BOJACK |
| Current Rating | 4 Amps |
| Date First Available | August 26, 2019 |
| Item Weight | 0.634 ounces |
| Item dimensions L x W x H | 2.76 x 1.97 x 0.59 inches |
| Item model number | BJ-SBF250-4A |
| Manufacturer | BOJACK |
| Material | Glass |
| Mounting Type | Through-Hole Mount |
| Product Dimensions | 2.76 x 1.97 x 0.59 inches |
| UPC | 769390171614 |
| Unit Count | 20 Count |
| Voltage | 250 Volts |

## Product Details

- **AC Adapter Current:** 4 Amps
- **Brand:** BOJACK
- **Item dimensions L x W x H:** 2.76 x 1.97 x 0.59 inches
- **Material:** Glass
- **Voltage:** 250 Volts

## Images

![BOJACK T4AL250V 5x20mm 4A 250V Slow Blow Fuses 4 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20) - Image 1](https://m.media-amazon.com/images/I/71CkW5jHDfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ So far so good
*by J***E on August 19, 2025*

So I was a little weary buying Chicom components. I usually stay away but this was the only one I could get of this value. Seems to work and does the job. It fits perfectly. For those of you who may not know this is the shorter fuse. You might find in vacuums, microwaves and so on

### ⭐⭐⭐⭐⭐ GOOD PRODUCT
*by A***R on December 23, 2025*

Im a service tech. bought these to have on my truck

### ⭐⭐⭐⭐⭐ Saved my Ion "Game Day" speaker.
*by J***N on November 8, 2023*

Speaker was DOA. Took it apart, swapped battery, still no love. Worked when plugged in but no battery life etc... Finally determined that there is a fuse inline with battery connections. It was cracked. These were a perfect replacement, after installation, works fine and now I have spares if it happens again.

## Frequently Bought Together

- BOJACK T4AL250V 5x20mm 4A 250V Slow Blow Fuses 4 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20)
- BOJACK T3AL250V 5x20mm 3A 250V Slow Blow Fuses 3 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20)
- BOJACK T2AL250V 5x20mm 2A 250V Slow Blow Fuses 2 amp 250 Volt 0.2 x 0.78 Inch Glass Tube Time-delay Fuses (Pack of 20)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-10*