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3ST (1206) / 3.2 x 1.6 mm chip fuse (time-delay)

Classification:

Chip fuse

Keyword:

Download：

3ST (1206) 3.2 x 1.6 mm chip fuse (time-delay).pdf

This surface mount fuse measures 3.2×1.6 mm (1206 case size) and features a slow‑blow (time‑delay) characteristic. It is available in current ratings from 250 mA to 50 A.

Phone: +86 716 2423 516

Fax: +86 716 2423 645

Email: xlyhi014@163.com

Online Message

3SF (1206) / 3.2 x 1.6 mm chip fuse (fast-acting)

6SF (2410) / 6.5 x 2.6 mm chip fuse (fast-acting)

Detailed Introduction Technical Specifications

Electrical Characteristics

Rated Current	Opening Time
	100%	350%	1000%
	Min.	Max.	Min.	Max.
250mA-50A	4hour	5sec.	0.2ms	20ms

In accordance with UL248-1, UL248-14

Interrupting Rating

cURus	50 amperes at 125V AC (250mA-10A)


	50 amperes at 125V/72V/63V DC (250mA-10A)
	200 amperes at 48V DC (250mA-30A)
	200 amperes at 36V/32V/24V DC (250mA–50A)

Product Features

Materials

Body: Cu, Sn, Ag

Substrate: Alumina ceramic

Electrode: Copper (Cu), Nickel (Ni), Silver(Ag), Tin (Sn) (Termination with nickel and lead-free tin solder plating)

Operating

Temperature

-55℃~+150℃

(Consider de-rating)

Solderability

T/ Solder melting temperature = 235°C ± 5°C, t/ Solder immersion time = 2 +0–0.5 s,

Coverage ≥ 95%, ΔS = 2.0 mm ± 0.5 mm, magnification: 20×

Resistance to

Soldering Heat

T/ Solder melting temperature = 260°C ± 5°C, t/ Solder immersion time = 10 s ± 1 s

△S = 2.0 mm ± 0.5 mm

Recommended

Soldering

Parameters

260℃, 10s Max.

(Compatible with both wave and Solder-reflow)

Storage

Conditions

Can be stored for 2 years under tight seal condition at temperature +10~40℃ relative

humidity ≤75%

At most can be kept 30 days at temperature +10~40°C relative humidity be 95%

under covered conditions.

Part No.	Current Rating	Voltage Rating	Safety Approvals
3ST 0250	250mA	125V AC 125V DC 72V DC 63V DC 48V DC 36V DC 32V DC 24V DC	●
3ST 0315	315mA		●
3ST 0350	350mA		●
3ST 0375	375mA		●
3ST 0400	400mA		●
3ST 0500	500mA		●
3ST 0750	750mA		●
3ST 0800	800mA		●
3ST 1100	1A		●
3ST 1125	1.25A		●
3ST 1150	1.5A		●
3ST 1160	1.6A		●
3ST 1200	2A		●
3ST 1250	2.5A		●
3ST 1300	3A		●
3ST 1400	4A		●
3ST 1450	4.5A		●
3ST 1500	5A		●
3ST 1600	6A		●
3ST 1650	6.5A		●
3ST 1700	7A		●
3ST 1750	7.5A		●
3ST 1800	8A		●
3ST 2100	10A		●
3ST 2120	12A	48V DC 36V DC 32V DC 24V DC	●
3ST 2150	15A		●
3ST 2200	20A		●
3ST 2250	25A		●
3ST 2300	30A		●
3ST 2350	35A	36V DC 32V DC 24V DC	●
3ST 2400	40A		●
3ST 2450	45A		●
3ST 2500	50A		●

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Certification

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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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