MF-USMD035-2 Bourns Inc., MF-USMD035-2 Datasheet - Page 2

• Manufacturer Part Number: MF-USMD035-2
• Description: FUSE RESETTABLE .35A HOLD SMD
• Manufacturer: Bourns Inc.
• Series: MF-USMDr
• Type: PTC Resettable Fusesr

Specifications of MF-USMD035-2

• Package / Case: 1210 (3225 Metric)
• R Min/max: 0.200 ~ 1.300 Ohm
• Voltage - Max: 6V
• Time To Trip: 0.2s
• Current - Hold (ih) (max): 350mA
• Current - Trip (it): 750mA
• Current - Max: 40A
• Hold Current: 0.35 Amp
• Trip Current: 0.75 Amp
• Current Rating (max): 40 Amps
• Resistance: 1.3 Ohms
• Maximum Voltage: 6 VoltsDC
• Termination Style: SMD/SMT
• Mounting Style: SMD/SMT
• Current Rating: 40 Amps
• Dimensions: 3.43 mm L x 2.8 mm W x 0.62 mm H
• Operating Temperature Range: - 40 C to + 85 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MF-MSMD035-02; MF-MSMD035TR; MF-USMD035-02; MF-USMD035TR

Top and Bottom View
Terminal material: solder-plated copper
Termination pad solderability: Meets EIA Specification RS-186-9E, ANSI/J-STD-002 Category 3.
Note:
• MF-USMD models can be wave soldered and reworked.
• If reflow temperatures exceed the recommended profile, devices may not meet the performance
Additional Features
Packaging: 3000 pcs. per reel.
Product Dimensions
Solder Reflow Recommendations
MF-USMD005
MF-USMD010
MF-USMD020
MF-USMD035
MF-USMD050
MF-USMD075
MF-USMD110
requirements.
Patents pending
Model
MF-USMD Series -
D
A
300
250
200
150
100
50
0
B
C
Side View
Preheating
160–220
(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
Time (seconds)
PTC Resettable Fuses
A
Recommended Pad Layout
(.043 ± .004)
1.1 ± 0.1
Soldering
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(0.135)
(.067 ± .004)
Max.
3.43
3.43
3.43
3.43
3.43
3.43
3.43
1.70 ± 0.1
10–20
Cooling
(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
120
(.102 ± .004)
2.6 ± 0.1
(.043 ± .004)
1.1 ± 0.1
B
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
(0.110)
Max.
2.80
2.80
2.80
2.80
2.80
2.80
2.80
(0.020)
(0.020)
(0.020)
(0.015)
(0.015)
(0.015)
(0.012)
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK
Min.
0.50
0.50
0.50
0.38
0.38
0.38
0.30
PART IDENTIFICATION
Typical Part Marking
Specifications are subject to change without notice.
Specifications are subject to change without notice.
C
(0.033)
(0.033)
(0.033)
(0.025)
(0.024)
(0.025)
(0.019)
Max.
0.85
0.85
0.85
0.62
0.62
0.62
0.48
051
Z
UNIT =
YEAR CODE -
2001 = 1
BIWEEKLY DATE CODE -
WEEK 51 & 52 = Z
(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
D
(INCHES)
MM