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8ED Series / 8.5 x 5.0 x 4.0 mm Square Miniature Fuse (Time-Lag)

Classification:

Ultra-small fuse

Keyword:

Download：

8ED Series 8.5 x 5.0 x 4.0 mm Square Miniature Fuse (Time-Lag).pdf

This square subminiature fuse measures 8.5×5.0×4.0 mm and features a fast-acting characteristic. It is available in current ratings from 100 mA to 15 A. Designed for reliable overcurrent protection in space‑constrained applications, it is ideal for use in compact electronic devices, power supplies, control circuits, and other miniaturized equipment where dependable circuit protection is required.

Phone: +86 716 2423 516

Fax: +86 716 2423 645

Email: xlyhi014@163.com

Online Message

8ET Series / 8.5 x 5.0 x 4.0 mm Square Miniature Fuse (Time-Lag)

6EF Series / 8.5 x 8.0 x 4.0 mm Square Miniature Fuse (Fast-Acting)

Detailed Introduction Technical Specifications

Electrical Characteristics

Rated Current	Opening Time
	100%	200%
	Min.	Max.
100mA-15A	4-hour	60sec.

In accordance with UL248-1, UL248-14.

Interrupting Rating

UL	130 amperes at 250V AC
	100 amperes at 300V AC
	100 amperes at 350V AC
	100 amperes at 400V AC

Product Features

Materials

Body: Thermoplastic

Lead: Tin-plated copper wire

Fuse Element: Alloy

Operating

Temperature

-55℃~125℃

(Consider de-rating)

Solderability

260℃, 3s Max. (Wave Soldering)

350±10℃, 1s max. (Soldering iron)

Resistance to

Soldering Heat

260℃, 10s Max. (Wave Soldering)

350℃, 3s Max. (Soldering iron)

Recommended

Soldering

Parameters

Wave Soldering Parameter

Soldering furnace temperature: 260℃.

Solder dwell time: 2–5 s max.

Hand soldering parameter

Soldering iron temperature: 350±5℃

Solder dwell time: 1–2 s max.

Storage

Conditions

Can be stored for 3 years under tight seal condition at temperature +10~60℃ relative

humidity ≤75%

At most can be kept 30 days at temperature +10~60°C relative humidity be 95%

under covered conditions.

Part No.	Current Rating	Safety Approvals	I ² T Reference value (A ² Sec.)
Part No.	Current Rating		I ² T Reference value (A ² Sec.)
8ED 0100	100mA	●	0.028
8ED 0125	125mA	●	0.034
8ED 0150	150mA	●	0.038
8ED 0160	160mA	●	0.038
8ED 0200	200mA	●	0.082
8ED 0250	250mA	●	0.128
8ED 0300	300mA	●	0.279
8ED 0350	350mA	●	0.279
8ED 0400	400mA	●	0.283
8ED 0500	500mA	●	0.737
8ED 0600	600mA	●	1.22
8ED 0630	630mA	●	1.22
8ED 0800	800mA	●	2.55
8ED 1100	1A	●	4.55
8ED 1125	1.25A	●	7.78
8ED 1150	1.5A	●	12.12
8ED 1160	1.6A	●	12.12
8ED 1200	2A	●	19.2
8ED 1250	2.5A	●	31.68
8ED 1300	3A	●	51.2
8ED 1350	3.5A	●	46.08
8ED 1400	4A	●	86
8ED 1500	5A	●	143.9
8ED 1600	6A	●	225.4
8ED 1630	6.3A	●	225.4
8ED 1800	8A	●	332
8ED 2100	10A	●	343.9
8ED 2120	12A	●	547.7
8ED 2125	12.5A	●	547.7
8ED 2150	15A	●	605.2

Factory Real Scene

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Certification

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Enterprises Cultivated as Hidden Champions in Niche Segments of Hubei Province’s Pillar Industries

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Contract-Abiding and Credit-Respecting Enterprise

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WHY CHOOSE US?

We are not just selling fuses, but providing you with a "foolproof" circuit protection solution.

Authentic materials, rejecting the 'time bomb'

Fully certified and globally accessible

Lean production, safe and reliable

The product can be customized

FAQ

What certifications do you have?

Certification Standards: UL, CUL, VDE, CCC, PSE, KC (different models are subject to different certifications; please consult customer service for confirmation).

Product Center

If you have any questions about our products or services, Please feel free to call us!

A professional fuse manufacturer with over four decades of experience, specializing in thermal fuses and current fuses, with an annual production capacity of 1 billion units.Our products are exported to markets in the Americas, Europe, Southeast Asia, and beyond, and the “Hongtian” brand of thermoplastic materials and current fuses enjoy a high level of trust among customers.

Phone ： +86 716 2423 516

Email ： xlyhi014@163.com

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