MF-LSMF185/33X-2 Bourns Inc., MF-LSMF185/33X-2 Datasheet - Page 2

• Manufacturer Part Number: MF-LSMF185/33X-2
• Description: FUSE PTC RESET 1.85A 33V SMD
• Manufacturer: Bourns Inc.
• Series: MF-LSMFr

Specifications of MF-LSMF185/33X-2

• Package / Case: 2920 (7351 Metric)
• Voltage - Max: 33V
• Current - Max: 40A
• Current - Hold (ih) (max): 1.85A
• Current - Trip (it): 3.7A
• R Min/max: 0.045 ~ 0.150 Ohm
• Time To Trip: 2.5s
• Hold Current: 1.85 Amps
• Trip Current: 1.85 Amps
• Current Rating (max): 40 Amps
• Resistance: 0.15 Ohms
• Maximum Voltage: 33 Volts
• Termination Style: Solder Pad
• Mounting Style: SMD/SMT
• Dimensions: 7.98 mm L x 5.44 mm W x 1.6 mm H
• 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-LSMF185/33X-2TR

Applications
■
■
■
■
Packaging: 3000 pcs. per reel.
MF-LSMF185/33X
MF-LSMF260X
MF-LSMF300X
MF-LSMF300/24X
Product Dimensions
Typical Time to Trip at 23 ˚C
9
Automotive electronics
Industrial controls
IEEE ports
Portable electronics
MF-LSMF Series - PTC Resettable Fuses
Top View
Model
0.01
100
0.1
10
1
1
X
MF-LSMF185/33X
MF-LSMF260X
D
(0.265)
(0.265)
(0.265)
(0.265)
Min.
6.73
6.73
6.73
6.73
Bottom View
A
A
E
(0.312)
(0.312)
(0.312)
(0.312)
Max.
7.98
7.98
7.98
7.98
Fault Current (Amps)
B
0 1
Side View
(0.189)
(0.189)
(0.189)
(0.189)
Min.
4.80
4.80
4.80
4.80
(.079 ± .002)
2.0 ± 0.05
C
B
MF-LSMF300/24X
(0.214)
(0.214)
(0.214)
(0.214)
Max.
5.44
5.44
5.44
5.44
Recommended Pad Layout
MF-LSMF300X
(0.030)
(0.030)
(0.014)
(0.030)
Customers should verify actual device performance in their specifi c applications.
Min.
0.75
0.75
0.35
0.75
1
0 0
(.181 ± .004)
4.6 ± 0.10
C
(.209 ± .004)
The Time to Trip curves represent typical performance
of a device in a simulated application environment.
Actual performance in specifi c customer applications
may differ from these values due to the infl uence of
other variables.
5.3 ± 0.10
(0.063)
(0.063)
(0.033)
(0.063)
Max.
1.60
1.60
0.85
1.60
Specifi cations are subject to change without notice.
Terminal material:
Termination pad solderability:
Recommended Storage:
(0.012)
(0.012)
(0.012)
(0.012)
Min.
0.30
0.30
0.30
0.30
D
Electroless Ni under immersion Au
Standard Au fi nish:
Meets ANSI/J-STD-002 Category 2.
40 °C max./70 % RH max.
(.010)
(.010)
(.010)
(.010)
Min.
0.25
0.25
0.25
0.25
DIMENSIONS:
E
(.079)
(.079)
(.079)
(.079)
Max.
2.00
2.00
2.00
2.00
(INCHES)
MM