Ultra Fast Electronic Circuit Board Fuses Micro Insurance 249-2410
Series Chip
OC_249_datasheet.pdf
The 249 series fuses are characterized by small size, high
performance and high reliability. Used in over-current protection
circuits such as notebook computers, telecommunication systems,
LCD/PDP TVs, wireless products, and liquid crystal displays.
Main Characteristics
SMD Fuse; Very Fast-acting(VF)
Standard
UL 248-1
Materials
Body: Ceramic
End Caps: Copper plated with silver
Operating Temperature
-55℃ to +125℃
Stock Temperature
+10℃ to +60℃
Relative humidity:≤75% yearly average
Without dew, maximum 30 days at 95%
Vibration Resistance
24 cycles at 15 min. each (60068-6)
10-60Hz at 0.75mm amplitude
60-2000Hz at 10g acceleration
Soldering Parameters
260℃.≤10 sec (Wave Soldering)
350℃.≤3 sec (Hand Soldering)
Soldering Peak:
260℃. 10 sec.
280℃. 5 sec. (IEC 60068-20)
| Time vs Current Characteristics: UL-248-14 |
| Rated Current | 100% | 200% |
| 20A~30A | >4h | <60s |
Specifications
Note: (1) Permissible continuous operating current is ≤100% at
ambient temperature of 23°C (73.4°F)
(2) Typical pre-arcing I2t are measured at 10In current.
Dimension
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.
