2410 300V Automotive Grade Multilayer Monolithic Fast Precision Surface Mount Fuse 20A
Features Of 300V Fast Acting Surface Mounted Fuse
• Unique construction enhances reliability
• Hermetically sealed wire-in-air structure
• Highly-reliable end-cap construction
• Highest current rating in the industry, up to 20A, 250V
• Consistent electrical performance
Application Of 300V Fast Acting Surface Mounted Fuse
Communications & Networks
Battery Management Systems
Medical Equipment
Infotainment Systems
Battery Charging Device
Under-the-hood Applications
Consumer Electronics
Home appliances
Power Supply device
Telecommunication System
Automotive Device
Industrial Equipment
Description Of 300V Fast Acting Surface Mounted Fuse
2410 Size Surface Mount Fuse with time-lag characteristics; the unique time delay feature of this fuse helps as the non-fault pulsed current protection and long overload protection.
pecification Of 300V Fast Acting Surface Mounted Fuse
|
Catalog
No.
|
Ampere
Rating
|
Voltage
Rating
|
Breaking
Capacity
|
Nominal Cold
Resistance
(Ohms)
|
I2TMelting
Integral(A2.S)
|
Agency Approvals
|
|
|
|
|
SSF0250
|
250mA
|
300VAC
|
50A@300VAC
50A@250VAC
200A@125VAC
|
0.860
|
0.145
|
●
|
●
|
|
SSF0300
|
300mA
|
0.620
|
0.162
|
●
|
●
|
|
SSF0315
|
315mA
|
0.550
|
0.189
|
●
|
●
|
|
SSF0375
|
375mA
|
0.470
|
0.200
|
●
|
●
|
|
SSF0400
|
400mA
|
0.380
|
0.238
|
●
|
●
|
|
SSF0500
|
500mA
|
0.320
|
0.275
|
●
|
●
|
|
SSF0600
|
600mA
|
0.285
|
0.470
|
●
|
●
|
|
SSF0630
|
630mA
|
0.256
|
0.566
|
●
|
●
|
|
SSF0700
|
700mA
|
0.208
|
0.805
|
●
|
●
|
|
SSF0750
|
750mA
|
0.175
|
1.240
|
●
|
●
|
|
SSF0800
|
800mA
|
0.155
|
1.880
|
●
|
●
|
|
SSF1100
|
1A
|
0.148
|
3.500
|
●
|
●
|
|
SSF1125
|
1.25A
|
0.102
|
4.760
|
●
|
●
|
|
SSF1150
|
1.5A
|
0.085
|
6.305
|
●
|
●
|
|
SSF1200
|
2A
|
0.044
|
8.950
|
●
|
●
|
|
SSF1250
|
2.5A
|
0.043
|
16.025
|
●
|
●
|
|
SSF1300
|
3A
|
0.033
|
21.560
|
●
|
●
|
|
SSF1315
|
3.15A
|
0.029
|
22.750
|
●
|
●
|
|
SSF1350
|
3.5A
|
0.027
|
27.050
|
●
|
●
|
|
SSF1400
|
4A
|
0.025
|
31.808
|
●
|
●
|
|
SSF1500
|
5A
|
0.019
|
40.250
|
●
|
●
|
|
SSF1600
|
6A
|
0.018
|
67.245
|
●
|
●
|
|
SSF1630
|
6.3A
|
0.017
|
73.550
|
●
|
●
|
|
SSF1700
|
7A
|
0.015
|
76.280
|
●
|
●
|
Electrical Characteristics Of 300V Fast Acting Surface Mounted Fuse
Breaking Capacity:50A@300Vac ，50A@250Vac，200A@125Vac.
Operating Characteristics
|
% of Ampere Rating(In)
|
Blowing Time
|
|
100% * In
|
4 hours Min
|
|
200% * In
|
120 sec Max
|
Average Time Current Curves Of 300V Fast Acting Surface Mounted Fuse
Technical Advices Of 300V Fast Acting Surface Mounted Fuse
Q: What are the similarities and differences between a disposable fuse and a resettable fuse?A:A restorable fuse is essentially a PTC thermistor. It is totally different from a fuse because of its operating principle: it protects a circuit as the resistance of the PTC material is positively correlated to temperature and jump at Curie point.
For the similarities: they both can be used for circuits for overcurrent protection and applied to a number of similar fields and circumstances. Both can be used or replaced in some circumstances. For example, both products are outstanding for battery protection applications where overcurrent protection requirement is not so strict. For protection of certain ICs and important components or at power input/output ends, only the disposable fuse may be competent. The impedance requirement is also higher for these parts. However, the PTC thermistor will be the best choice for the circumstances when products should avoid being damaged from overheat or overcurrent protection at interfaces where hot-swapping is frequent. Yet in most circumstances, the two products are greatly different or cannot replace one another. The following table shows the primary differences between the two.
Owing to the similarities and differences, the two products are available in the market for different purposes.
|
|
One Time fuse
|
Resettable PTC fuse
|
|
Internal resistance
|
Small
|
Large
|
|
Current sensitivity
|
High
|
Low
|
|
Response time
|
Fast
|
Low
|
|
Ageing rate
|
Slow
|
Fast
|
|
Leakage current
|
None
|
Yes
|
|
Safety performance
|
Strong
|
Weak
|
|
Application scope
|
Wide
|
Narrow
|
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