437A Series - 1206 Automotive Electronic Chip Fuse Secondary
Circuit Protection
Fuse_437A_Datasheet.pdf
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.
Features
• 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
Applications
• 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 |
Dimensions
FAQ
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
shipment.
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.
