MF-MSMD125-2 Bourns Inc., MF-MSMD125-2 Datasheet - Page 2

• Manufacturer Part Number: MF-MSMD125-2
• Description: FUSE RESETTABLE 1.25A HOLD SMD
• Manufacturer: Bourns Inc.
• Series: MF-MSMDr
• Type: PTC Resettable Fusesr

Specifications of MF-MSMD125-2

• Package / Case: 1812 (4532 Metric)
• R Min/max: 0.035 ~ 0.140 Ohm
• Voltage - Max: 6V
• Time To Trip: 0.4s
• Current - Hold (ih) (max): 1.25A
• Current - Trip (it): 2.5A
• Current - Max: 100A
• Hold Current: 1.25 Amps
• Trip Current: 2.5 Amps
• Current Rating (max): 100 Amps
• Resistance: 0.14 Ohms
• Maximum Voltage: 6 VoltsDC
• Termination Style: SMD/SMT
• Mounting Style: SMD/SMT
• Current Rating: 100 Amps
• Dimensions: 4.73 mm L x 3.41 mm W x 0.48 mm H
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MF-MSMD125-02; MF-MSMD125TR

Terminal material: solder-plated copper
Termination pad solderability: Meets EIA
Specification RS-186-9E, ANSI/J-STD-002
Category 3.
Recommended Pad Layout
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Additional Features
■
Packaging: 2000 pcs. per reel.
Product Dimensions
MF-MSMD010
MF-MSMD014
MF-MSMD020
MF-MSMD030
MF-MSMD050
MF-MSMD075
MF-MSMD110
MF-MSMD125
MF-MSMD150
MF-MSMD160
MF-MSMD200
MF-MSMD260
(.059 ± .002)
Patents pending
1.5 ± 0.05
Top and Bottom View
Model
MF-MSMD Series -
(.106 ± .004)
2.70 ± 0.1
D
A
B
C
Side View
(0.126 ± .004)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
(0.172)
3.2 ± 0.1
(.059 ± .002)
Min.
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
4.37
1.5 ± 0.05
A
PTC Resettable Fuses
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
(0.186)
Max.
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
4.73
Note:
• MF-MSMD models can be wave soldered and reworked.
• If reflow temperatures exceed the recommended profile, devices may not meet the performance
Solder Reflow Recommendations
requirements.
300
250
200
150
100
50
0
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
(0.121)
Min.
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
3.07
B
Preheating
160–220
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
(0.134)
Max.
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
3.41
Time (seconds)
Soldering
(0.022)
(0.022)
(0.022)
(0.022)
(0.015)
(0.015)
(0.015)
(0.012)
(0.012)
(0.012)
(0.012)
(0.010)
Min.
0.56
0.56
0.56
0.56
0.38
0.38
0.38
0.30
0.30
0.30
0.30
0.25
10–20
C
(0.032)
(0.032)
(0.032)
(0.032)
(0.024)
(0.024)
(0.024)
(0.019)
(0.019)
(0.019)
(0.019)
(0.019)
Cooling
Max.
0.81
0.81
0.81
0.81
0.62
0.62
0.62
0.48
0.48
0.48
0.48
0.48
120
UNIT =
(0.012)
(0.012)
(0.012)
(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
0.30
0.30
0.30
D
(INCHES)
MM