Dongguan Julun electronics co.,ltd

Main business: the circuit protection device, current fuse, temperature fuse series, fuse holder series, automatic recovery fuse, fuse resistor, varistor, thermistor, high-voltage fuse and peripheral products.

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437A Series 1206 Automotive Electronic Chip Fuse Secondary Circuit Protection

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437A Series 1206 Automotive Electronic Chip Fuse Secondary Circuit Protection


Large Image :  437A Series 1206 Automotive Electronic Chip Fuse Secondary Circuit Protection Get Best Price

Product Details:
Place of Origin: CHINA
Brand Name: Julun
Certification: CE/UL/VDE/KC/ROHS
Model Number: 437A
Payment & Shipping Terms:
Minimum Order Quantity: 100 / Negotiable
Price: Negotiable
Packaging Details: Standard carton
Delivery Time: 7~10 Working days
Payment Terms: L/C, D/P, T/T,
Supply Ability: 10000/Piece/Weekly
Detailed Product Description
Decoupling Ability: Fast Current Range: 500mA~8A
Rated Voltage: 32V~63V Certified: UL / PSE
High Light:

slow blow micro fuse


mini cartridge fuse

437A Series - 1206 Automotive Electronic Chip Fuse Secondary Circuit Protection


The 437A Series AECQ-Compliant fuses are specifically
tested to cater to secondary circuit protection needs of
compact auto-electronics applications.
The general design ensures excellent temperature stability
and performance reliability. In addition to this, the high I²t
values typical of the Ceramic Fuse family ensure
high inrush current withstand capability.

• Operating Temperature from -55ºC to +150ºC

• 100% Lead-free, HalogenFree and RoHS compliant

• Meets Littelfuse’s automotive qualifications*

• Fast response to faulty current to ensure overcurrent protection for sensitive electronic components
• Li-ion Battery • LED Lighting • Automotive Navigation System • TFT Display • Battery Management System (BMS) • Clusters



Electrical Characteristics for Series


% of Ampere Rating Ampere Rating Opening Time
100% 0.500A − 8A 4 hours, Minimum
250% 0.750A − 8A 5 seconds, Maximum
350%  0.750A − 8A 1 second, Maximum
0.500A 5 seconds, Maximum


Electrical Specifications by Item


Ampere Rating Amp Code Max.Voltage Rating Interrupting Rating Nominal Resistance Nominal Melting I2t Nominal Voltage Drop At Rated Nominal Power Dissipation At Rated Current
500mA 0.5 63 50A @ 63VAC/DC 0.908 0.018 0.52 0.26
750mA 0.75 63 50A @ 63VAC/DC
100A @ 63VDC
0.6 0.064 0.45 0.338
1A 1 63 50A @ 63VAC/DC 0.42 0.1 0.41 0.41
1.25A 1.25 63 0.318 0.256 0.4 0.5
1.5A 1.5 63 0.209 0.324 0.39 0.585
1.75A 1.75 63 0.071 0.075 0.27 0.473
2A 2 63 0.062 0.144 0.2 0.4
2.5A 2.5 32 50A @ 32VAC/35VDC 0.043 0.441 0.15 0.375
3A 3 32 0.035 0.506 0.14 0.42
3.5A 3.5 32 0.027 0.777 0.13 0.455
4A 4 32 0.022 1.024 0.13 0.52
5A 5 32 0.0159 2.3 0.13 0.65
7A 7 32 0.01 5.02 0.13 0.91
8A 8 32 0.008 7.23 0.13 1.04



437A Series 1206 Automotive Electronic Chip Fuse Secondary Circuit Protection 0


1.What is your MOQ?
A: We provide you small MOQ for each item, it depends your specific order.
2.What is your delivery date?
A: The delivery date is about 2-7days after receipt of payment.
3.What is your payment terms?
A: We accept T/T, western union, ,70% deposit in advance and 30% balance before
4.Can you send free samples?
A: Yes, free samples are available; you just need to pay the express fee. You can provide your
a/c like DHL, or you can call your courier to pick up from our office.
5.How do you carry out quality control?
A: Quality is our priority. Our QC always attach great importance to quality control from the
very beginning to the end.
6.Can you accept OEM orders?
A: Yes, we accept OEM & ODM orders, welcome all types of customized orders and cooperation.
Please tell me:
What product specifications do you need? when you ask for a quotation.I will give you the most

competitive price per as your requirements. And we have many types for you to choose.
P.S.:If you can't find any products to meet your requirements. welcome to send us the details
drawings so that we can provide us our professional & best service to you.

Contact Details
dongguan Julun electronics co.,ltd

Contact Person: Mag

Tel: 86-15820816806

Send your inquiry directly to us