PTC RESETTABLE FUSES; RADIAL LEADED TYPE
KAMAYA OHM
®
®
MFKRA Series
•
Features
1. Self-resettable Fuse, manufactured with Polymeric Positive Temperature Coefficient (PPTC).
No need to exchange.
2. Cured, flame-retardant epoxy polymer insulating material meets UL 94V-0 requirements.
3. Approval, UL, CSA, TUV.
• UL File No. : E193804
• CSA File No. : CA110338M002-14
• TUV File No. : E972255.08
RA
8 1 501
50
T
•
Dimensions
Style1
A
E
Style2
A
E
Markings indicate production Into
(Style, I hold, etc.).
B
B
Parts Number
MFKRA101N~901N
MFKRA112N~182N
MFKRA252N~402N
MFKRA502N~902N
C
5.1±0.7
5.1±0.7
5.1±0.7
10.2±0.7
D
7.6min.
7.6min.
7.6min.
E
3.1
3.0
3.0
Style
1
2
D
C
C
D
Please refer to the below Ratings about size A and B.
•
Ratings
lhold
Code
101
171
201
251
301
401
501
651
751
901
112
132
162
182
252
302
402
502
602
702
802
902
A
0.10
0.17
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
1.10
1.35
1.60
1.85
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
Size A
mm
7.4
7.4
7.4
7.4
7.4
7.4
7.9
9.7
10.4
11.7
8.9
8.9
10.2
12.0
12.0
12.0
14.4
17.4
19.3
22.1
24.2
24.2
Size
Size B
mm
12.7
12.7
12.7
12.7
13.4
13.7
13.7
15.2
16.0
16.7
14.0
18.9
16.8
18.4
18.3
18.3
24.8
24.9
31.9
29.8
32.9
32.9
Internal
Resistance
ohm
4.50
3.20
2.84
1.95
1.36
0.86
0.77
0.48
0.40
0.31
0.18
0.115
0.105
0.07
0.048
0.05
0.03
0.03
0.02
0.02
0.02
0.01
Time To Trip
s
4.0
3.0
2.2
2.5
3.0
3.8
4.0
5.3
6.3
7.2
6.6
7.3
8.0
8.7
10.3
10.8
12.7
14.5
16.0
17.5
18.8
20.0
Vmax
V
Imax
A
Itrip
A
60
40
lhold×2
30
* Time To Trip is measured at I=5
Ihold. (Except MFKRA902N : measured at I=40A)
•
Parts Number Description
Example
Style
MFK
RA
501
I hold
Series Name
Type Code
e.g.: 501=5.0A
132=1.25A
202=2.0A
3-Digit
N
Sub Style Code
Standard
N
TL
*Pacaging
Bulk (Loose Pacage)
Tape & Reel
Ammo Box
BP
TL
AP
Please contact KAMAYA about another applications.
These products are available for Japanese companies and inside of Japan only.
Please contact KAMAYA for further information.
*Refer to Tape and Packing information on page 66.
Product by
63
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