MF-USMF050-2 Bourns Inc., MF-USMF050-2 Datasheet - Page 2
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MF-USMF050-2
Manufacturer Part Number
MF-USMF050-2
Description
FUSE RESETTABLE .50A 13.2V SMD
Manufacturer
Bourns Inc.
Series
MF-USMFr
Type
Fast Actingr
Specifications of MF-USMF050-2
R Min/max
0.180 ~ 0.900 Ohm
Voltage - Max
13.2V
Time To Trip
0.1s
Current - Hold (ih) (max)
500mA
Current - Trip (it)
1A
Current - Max
40A
Package / Case
1210 (3225 Metric)
Holding Current
500mA
Tripping Current
1A
Initial Resistance Max
0.9ohm
Operating Voltage
13.2V
Ptc Fuse Case
1210
Initial Resistance Min
0.18ohm
Length
3.22mm
Brand/series
MF-USMF Series
Current, Rating
40 A
Dimensions
0.135x0.11x0.033 "
Mounting Type
PCB
Primary Type
Resettable
Resistance, Dc
0.18 Ohms
Size
1210
Termination
SMT
Voltage, Rating
13.2 VDC
External Depth
0.8mm
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
MF-USMF050-2TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MF-USMF050-2
Manufacturer:
Littelfuse
Quantity:
40 000
Company:
Part Number:
MF-USMF050-2-M7
Manufacturer:
BOURNS
Quantity:
6 150
Packaging: 3000 pcs. per reel.
MF-USMF005
MF-USMF010
MF-USMF020
MF-USMF035
MF-USMF050
MF-USMF075
MF-USMF110
MF-USMF150
MF-USMF175X
Solder Refl ow Recommendations
Product Dimensions
Top and Bottom View
MF-USMF Series - PTC Resettable Fuses
Model
D
300
250
200
150
100
50
A
0
Preheating
B
Side View
C
160–220
(0.118)
(0.118)
(0.118)
(0.118)
(0.118)
(0.118)
(0.118)
(0.118)
(0.118)
Min.
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
3.00
A
Soldering
Time (seconds)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
10–20
Max.
3.43
3.43
3.43
3.43
3.43
3.43
3.43
3.43
3.43
(.039 ± .002)
Recommended Pad Layout
1.0 ± 0.05
(.079 ± .004)
2.0 ± 0.1
Cooling
120
(0.093)
(0.093)
(0.093)
(0.093)
(0.093)
(0.093)
(0.093)
(0.093)
(0.093)
Min.
2.35
2.35
2.35
2.35
2.35
2.35
2.35
2.35
2.35
B
(.098 ± .004)
Notes:
•
•
•
•
Customers should verify actual device performance in their specifi c applications.
2.5 ± 0.1
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(.039 ± .002)
Max.
1.0 ± 0.05
2.80
2.80
2.80
2.80
2.80
2.80
2.80
2.80
2.80
MF-USMF models cannot be wave soldered.
If refl ow temperatures exceed the recommended profi le,
devices may not meet the performance requirements.
Compatible with Pb and Pb-free solder refl ow profi les.
Excess solder may cause a short circuit, especially during hand
soldering. Please refer to the Multifuse
Recommendation guidelines.
(0.031)
(0.031)
(0.031)
(0.022)
(0.022)
(0.022)
(0.022)
(0.016)
(0.016)
Min.
0.80
0.80
0.80
0.55
0.55
0.55
0.55
0.40
0.40
Terminal material:
Termination pad solderability:
Recommended Storage:
Electroless Ni under immersion Au
Standard Au fi nish:
Meets ANSI/J-STD-002 Category 2.
40 °C max./70 % RH max.
Specifi cations are subject to change without notice.
C
(0.043)
(0.043)
(0.043)
(0.033)
(0.033)
(0.033)
(0.033)
(0.033)
(0.033)
®
Max.
0.85
0.85
0.85
0.85
0.85
0.85
1.1
1.1
1.1
Polymer PTC Soldering
DIMENSIONS:
(0.012)
(0.012)
(0.012)
(0.012)
(0.012)
(0.012)
(0.012)
(0.012)
(0.012)
Min.
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
0.30
D
(INCHES)
MM