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Miniature Cartridge Fuse for Space Application

Basic Info

Model No.:  RSG-I-FFA

Product Description

Model NO.: RSG-I-FFA Type: Current Fuse Shape: Circle Origin: Shanghai, China Breaking Capacity: High Usaga: Low Voltage Trademark: Songshan HS Code: 85361000 RSG-I-FFA is a miniature Cartridge Fuse used in spacecrafts. The standards of implementation are SAST issued by Shanghai Academy of Astronautics No. 8 and CASTC issued by Beijing Academy of Aerospace No. 5. The fuse has been widely used in a variety of spacecrafts such as Shenzhou spacecraft, Tiangong I, II spacecraft, etc. The customers have been using the products which so far have never had any problem, and thus the guideline "foolproof" in aerospace industry is really achieved in this product. The specifications of the products ranging from 0.375A to 15A are available for selection. The product is able to adapt to a variety of harsh environments, and it can pass the rigorous tests such as damp, temperature energized screening, temperature shock, high temperature derating, vibration, etc. The fuse can replace the fuse type FM08 manufactured by AEM company from the United States.

Rated current Rated voltage    Tube  size Lead wire size
D L d l
0.375A,0.5A,0.75A,1A,1.5A,2A,2.5A,3A,4A,5A,6A,7A 125VDC φ2.3mm 7.0mm Φ0.6mm 38mm
8A,10A 125VDC φ2.3mm 7.0mm Φ0.8mm 38mm
12A,15A 125VDC Φ4.8mm 10.6mm Φ1.0mm 38mm
Quality level
1.SAST (the eighth institute of China aerospace science and technology's standard)         
2.CAST-C (the fifth institute of China aerospace science and technology's standard)
Electrical characteristics
No. Rated current  (A) Rated voltage (VDC) Max    resistance value       (mW) Max       Steady State Voltage Drop          (mV) I2t   (A2sec)
1 0.375 125 400 220 0.0090
2 0.5 125 250 180 0.0165
3 0.75 125 132 150 0.040
4 1 125 108 144 0.082
5 1.5 125 72 138 0.24
6 2 125 60 160 0.45
7 2.5 125 42 168 0.64
8 3 125 36 156 1.00
9 4 125 24 156 2.74
10 5 125 18 142 4.60
11 6 125 15 132 7.93
12 7 125 12 120 10.95
13 8 125 11 115 15.14
14 10 125 7.8 108 25.00
15 12 125 6 90 120.00
16 15 125 5 100 200.00
Rated breaking capacity
Rated current Rated voltage Short-circuit DC current Test voltage
10A 125V 100A 125V
15A 125V 150A 125V
Life test
20ºC±5ºC:when the test current is equal to the rated current ,the fuse will not blown more than 1000 hours.

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Product Categories : Aerospace Fuse

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