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UL High Power PPTC Resettable Fuse SMD 2920 , Surface Mount Polyswitch Resettable Fuses
Quick Detail:
Description:
The LSMD2920 Series device provides surface mount overcurrent protection for medium voltage (≤60V) applications where resettable protection is desired.
Applications:
◆ Computer mother borad,Modem
◆ Industrial controls
◆ IEEE ports
◆ Portable electronics
Specifications:
Electrical Characteristics
P/N |
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IH, (A) | IT,(A) | Vmax,(v) | Imax,(A) | (A) | (Sec.) | Pd typ(W) | Rmin | R1max | |
LSMD030 | 0.30 | 0.60 | 60 | 10 | 1.5 | 3.0 | 1.5 | 0.600 | 4.800 |
LSMD050 | 0.50 | 1.00 | 60 | 10 | 2.5 | 4.0 | 1.5 | 0.180 | 1.400 |
LSMD075 | 0.75 | 1.50 | 33 | 40 | 8.0 | 0.3 | 1.5 | 0.100 | 1.000 |
LSMD100 | 1.00 | 2.00 | 33 | 40 | 8.0 | 0.5 | 1.5 | 0.065 | 0.410 |
LSMD125 | 1.25 | 2.50 | 33 | 40 | 8.0 | 2.0 | 1.5 | 0.050 | 0.250 |
LSMD150 | 1.50 | 3.00 | 33 | 40 | 8.0 | 2.0 | 1.5 | 0.035 | 0.230 |
LSMD185 | 1.85 | 3.70 | 33 | 40 | 8.0 | 2.5 | 1.5 | 0.030 | 0.150 |
LSMD200 | 2.00 | 4.00 | 16 | 40 | 8.0 | 4.5 | 1.5 | 0.020 | 0.120 |
LSMD250 | 2.50 | 5.00 | 16 | 40 | 8.0 | 16.0 | 1.5 | 0.020 | 0.085 |
LSMD260 | 2.60 | 5.20 | 6 | 40 | 8.0 | 10.0 | 1.5 | 0.014 | 0.075 |
LSMD300 | 3.00 | 6.00 | 6 | 40 | 8.0 | 20.0 | 1.5 | 0.010 | 0.055 |
LSMD300D | 3.00 | 5.20 | 24 | 20 | 8.0 | 20.0 | 1.5 | 0.010 | 0.055 |
IH=Hold current: maximum current at which the device will not trip at 25℃ still air.
IT=Trip current: minimum current at which the device will always trip at 25℃ still air.
Vmax=Maximum voltage device can withstand without damage at rated current.
Imax=Maximum fault current device can withstand without damage at rated voltage.
Ttrip=Maximum time to trip(s) at assigned current.
Pdtyp=Typical power dissipation: typical amount of power dissipated by the device when in state air environment.
Rmin=Minimum device resistance at 25℃ prior to tripping.
Rmax=Maximum device resistance at 25℃ prior to tripping.
Product Dimensions & Marking (Unit: mm) :
P/N | Marking
| A | B | C | D | |||
Min. | Max. | Min. | Max. | Min. | Max. | Min. | ||
LSMD030 | T030 | 6.73 | 7.98 | 4.80 | 5.44 | 0.75 | 1.15 | 0.30 |
LSMD050 | T050 | 6.73 | 7.98 | 4.80 | 5.44 | 0.75 | 1.15 | 0.30 |
LSMD075 | T075 | 6.73 | 7.98 | 4.80 | 5.44 | 0.75 | 1.15 | 0.30 |
LSMD100 | T100 | 6.73 | 7.98 | 4.80 | 5.44 | 0.65 | 1.05 | 0.30 |
LSMD125 | T125 | 6.73 | 7.98 | 4.80 | 5.44 | 0.65 | 1.05 | 0.30 |
LSMD150 | T150 | 6.73 | 7.98 | 4.80 | 5.44 | 0.65 | 1.50 | 0.30 |
LSMD185 | T185 | 6.73 | 7.98 | 4.80 | 5.44 | 0.65 | 1.50 | 0.30 |
LSMD200 | T200 | 6.73 | 7.98 | 4.80 | 5.44 | 0.55 | 0.95 | 0.30 |
LSMD250 | T250 | 6.73 | 7.98 | 4.80 | 5.44 | 0.55 | 0.95 | 0.30 |
LSMD260 | T260 | 6.73 | 7.98 | 4.80 | 5.44 | 0.45 | 0.85 | 0.30 |
LSMD300 | T300 | 6.73 | 7.98 | 4.80 | 5.44 | 0.45 | 0.85 | 0.30 |
LSMD300D | T300 | 6.73 | 7.98 | 4.80 | 5.44 | 0.65 | 1.50 | 0.30 |
Thermal Derating Chart – I hold (Amps)
P/N | Ambient Operating Temperature | ||||||||
-40℃ | -20℃ | 0℃ | 25℃ | 40℃ | 50℃ | 60℃ | 70℃ | 85℃ | |
LSMD030 | 0.45 | 0.40 | 0.35 | 0.30 | 0.25 | 0.23 | 0.20 | 0.17 | 0.14 |
LSMD050 | 0.76 | 0.67 | 0.59 | 0.50 | 0.42 | 0.38 | 0.33 | 0.29 | 0.23 |
LSMD075 | 1.13 | 1.01 | 0.88 | 0.75 | 0.62 | 0.56 | 0.50 | 0.44 | 0.34 |
LSMD100 | 1.66 | 1.47 | 1.29 | 1.10 | 0.91 | 0.83 | 0.73 | 0.64 | 0.50 |
LSMD125 | 1.89 | 1.68 | 1.46 | 1.25 | 1.04 | 0.94 | 0.83 | 0.73 | 0.56 |
LSMD150 | 2.27 | 2.01 | 1.76 | 1.50 | 1.25 | 1.13 | 1.00 | 0.87 | 0.74 |
LSMD185 | 2.80 | 2.47 | 2.17 | 1.85 | 1.54 | 1.39 | 1.22 | 1.07 | 0.85 |
LSMD200 | 3.02 | 2.68 | 2.34 | 2.00 | 1.66 | 1.50 | 1.32 | 1.16 | 0.90 |
LSMD250 | 3.78 | 3.35 | 2.93 | 2.50 | 2.08 | 1.88 | 1.65 | 1.45 | 1.13 |
LSMD260 | 3.64 | 3.25 | 2.91 | 2.60 | 2.26 | 2.08 | 1.95 | 1.74 | 1.13 |
LSMD300 | 4.53 | 4.02 | 3.51 | 3.00 | 2.52 | 2.26 | 1.99 | 1.75 | 1.34 |
LSMD300D | 4.53 | 4.02 | 3.51 | 3.00 | 2.52 | 2.26 | 1.99 | 1.75 | 1.34 |
A=LSMD030
B=LSMD050
C=LSMD075
D=LSMD100
E=LSMD125
F=LSMD150
G=LSMD185
H=LSMD200
I=LSMD250
J=LSMD260
K=LSMD300
◆ The Time to Trip curves represent typical performance of a device in a simulated application environment. Actual performance in specific customer applications may differ from these values due to the influence of other variables.
Agency Approvals:
Agency Approvals:UL,CSA,TUV
Regulation/Standard: RoHS RoHS 2.0(2011/65/CE)
Package information:
Model Q’ty/Reel
LSMD150/185/300D 1000pcs
LSMD030 ~ LSMD125 1500 pcs
LSMD200 ~ LSMD300 2000 pcs
Note: Reel packaging per EIA-481-1 standard
Competitive Advantage:
