Electronic Circuit Board Fuses 437 Series 1206 High Temperature Very Fast-Acting Ceramic Fuse
Fuse_437_Datasheet.pdf
This 100% Lead-free, RoHS compliant and Halogen-free fuse series has been designed specifically to provide over current protection to circuits that see high working ambient temperatures (up to 150ºC). The general design ensures excellent temperature stability and performance reliability. In addition to this, the high I²t values typical of the Littelfuse Ceramic Fuse family ensure high inrush current withstand capability.
Features
• Operating Temperature from -55ºC to +150ºC
• 100% Lead-free, HalogenFree and RoHS compliant
• Suitable for both leaded and lead-free reflow / wave soldering
Applications
LCD Displays • Servers • Printers • Scanners • Data Modems
Electrical Characteristics for Series
| % of Ampere Rating | Ampere Rating | Opening Time |
| 100% | 250mA - 8A | 4 hours, Minimum |
| 250% | 750mA - 8A | 5 seconds, Maximum |
| 300% | 250mA -500mA | 5 seconds, Maximum |
| 300% | 750mA - 8A | 1 second, Maximum |
Electrical Specifications by Item
| Ampere Rating | Amp Code | Max.Voltage Rating | Interrupting Rating1 | Nominal Resistance | Nominal Melting I2t | Nominal Voltage Drop At Rated | Nominal Power Dissipation AtRated Current |
| 250mA | 0.25 | 125 | 50 A @ 125 V AC/DC | 2.29 | 0.003 | 0.78 | 0.195 |
| 375mA | 0.375 | 125 | 1.33 | 0.01 | 0.6 | 0.225 |
| 500mA | 0.5 | 63 | 50 A @ 63 V AC/DC | 0.908 | 0.018 | 0.52 | 0.26 |
| 750mA | 0.75 | 63 | 0.665 | 0.064 | 0.45 | 0.338 |
| 1A | 1 | 63 | 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 | 0.058 | 0.225 | 0.2 | 0.4 |
| 2.5A | 2.5 | 32 | 50 A @ 32 V AC/35 V DC | 0.043 | 0.441 | 0.15 | 0.375 |
| 3A | 3 | 32 | 0.033 | 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.
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