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  4. PTC fuse Current I(H) 0.13 A 230 V (L x W x H) 10.8 x 10.20 x 9 mm CMF-SD25-2 1 pc(s)
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Bourns PTC fuse Current I(H) 0.13 A 230 V (L x W x H) 10.8 x 10.20 x 9 mm CMF-SD25-2 1 pc(s) CMF-SD25-2 Datenbogen

Produktcode
CMF-SD25-2
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 Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
 
CMF-SD Series - Telecom CPTC Resettable Fuses
CMF-SD SERIES, REV. O, 05/10
Product Dimensions
(Reduced value available on request.)
Packaging Options - Tape and Reel:
CMF-SD10, CMF-SD25, CMF-SD35 & CMF-SD50 = 400 
pcs. per reel; 
CMF-SD35A & CMF-SD50A = 500 pcs. per reel
A
B
F
H
G
E
D
C
Dim.
CMF-SD10
CMF-SD25
CMF-SD35
CMF-SD50
CMF-SD35A
CMF-SD50A
A
  9.00
 (.354)  
MAX.
  7.15
 (.281)  
MAX.
B
 10.80
 (.425)  
MAX.
  8.50
 (.355)  
MAX.
C
 10.20
 (.402)  
MAX.
  8.10
 (.319)  
MAX.
D
4.88 - 5.28
(.192 - .208)
3.25 - 3.65
(.128 - .144)
E
2.41 - 2.61
(.095 - .103)
2.41 - 2.61
(.095 - .103)
F
   0.5
 (.020)  
MAX.
   0.5
 (.020)  
MAX.
G
2.5
(.098)
2.5
(.098)
H
1.0
(.039)
1.0
(.039)
DIMENSIONS:
 MM
 (INCHES)
COPLANARITY:
 0.15
 (.006)
Recommended Pad Layout
B
1
2
3
4
A
F
E
D
C
H
G
1
2
3
4
Solder Refl ow Recommendations
160–220
300
250
200
150
100
50
0
10–20
Temperature (
°
C)
120
Preheating
Soldering
Cooling
Time (seconds)
Solder refl ow
• Recommended 
refl ow methods: IR, vapor phase oven, hot air oven.
•  Devices are not designed to be wave soldered to the bottom side of the 
 board.
•  Gluing the devices is not recommended.
•  Recommended maximum paste thickness is 0.25  mm (.010 inch).
•  Devices can be cleaned using standard industry methods and solvents.
Note:  
• If 
refl ow temperatures exceed the recommended profi le, devices may not 
 
meet the performance requirements.
Rework
•  A device should not be reworked.
Dim.
CMF-SD10
CMF-SD25
CMF-SD35
CMF-SD50
CMF-SD35A
CMF-SD50A
A
10.0
(.394)
8.00
(.315)
B
8.80
(.346)
7.05
(.278)
C
3.20
(.126)
2.75
(.108)
D
2.00
(.079)
2.00
(.079)
E
2.60
(.102)
2.51
(.099)
F
5.00
(.197)
3.45
(.136)
G
7.60
(.299)
5.95
(.234)
H
10.0
(.394)
8.15
(.321)
DIMENSIONS:
 MM
 (INCHES)
Applications
Used as a secondary overcurrent protection 
device in:
■
  Customer Premise Equipment (CPE)
■
 Central Offi ce (CO)
■
 Access equipment