Positive Temperature Coefficient 1812 SMT Polymer 0.75A PPTC Resettable Fuse 16V
Brand Name:AMPFORT
Certification:UL,CUL,TUV
Model Number:MSMD075
Minimum Order Quantity:2000 pcs
Delivery Time:7-10 Workdays
Payment Terms:T/T,Paypal, Western Union
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Location:
Dongguan Guangdong China
Address:
No.1, Yixiang ,Liwu Industrial Park,Liwuyuan Village,Xihu District, Shilong Town,Dongguan 523325,Guangdong ,China
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1812 SMT PPTC Polymer PTC Resettable Fuse 4532 Polyfuse 0.75A 16V
24V 33V 0.2sec
Features Of The 1812 SMT PPTC Polymer PTC Resettable Fuse
◆ Surface Mount Devices
◆ Standard 4532mm(1812mils) footprint
◆ Surface mount packaging for automated assembly
◆ Compatible with Pb and Pb-free solder reflow profiles.
◆ Agency recognition: UL approved
Applications 1812 SMT PPTC Polymer PTC Resettable Fuse
◆ Overcurrent and overtemperature protection of automotive
electronics
◆ PC motherboards, Hard disk driver, and PC peripherals
◆ POS Equipment
◆ USB port protection
◆ HDMI source protection
Electronics Parameters 1812 SMT PPTC Polymer PTC Resettable Fuse
| P/N | IH, (A) | IT,(A) | Vmax,(v) | Imax,(A) | (A) | (Sec.) | Pd typ(W) | Rmin | R1max |
| MSMD010 | 0.10 | 0.30 | 60 | 10 | 0.5 | 1.50 | 0.8 | 0.700 | 15.000 |
| MSMD014 | 0.14 | 0.34 | 60 | 10 | 1.5 | 0.15 | 0.8 | 0.400 | 6.500 |
| MSMD020 | 0.20 | 0.40 | 30 | 10 | 8.0 | 0.02 | 0.8 | 0.750 | 5.00 |
| MSMD020/60 | 0.20 | 0.40 | 60 | 10 | 1.5 | 0.15 | 0.8 | 0.400 | 6.000 |
| MSMD030 | 0.30 | 0.60 | 30 | 10 | 8.0 | 0.10 | 0.8 | 0.300 | 3.000 |
| MSMD035 | 0.35 | 0.70 | 16 | 10 | 8.0 | 0.10 | 0.8 | 0.200 | 1.800 |
| MSMD050 | 0.50 | 1.00 | 16 | 30 | 8.0 | 0.15 | 0.8 | 0.150 | 1.000 |
| MSMD075 | 0.75 | 1.50 | 16 | 40 | 8.0 | 0.20 | 0.8 | 0.110 | 0.450 |
| MSMD075/24 | 0.75 | 1.50 | 24 | 40 | 8.0 | 0.20 | 0.8 | 0.110 | 0.450 |
| MSMD075/33 | 0.75 | 1.50 | 33 | 40 | 8.0 | 0.20 | 0.8 | 0.110 | 0.450 |
| MSMD110 | 1.10 | 2.20 | 6 | 100 | 8.0 | 0.30 | 0.8 | 0.040 | 0.225 |
| MSMD110/16 | 1.10 | 2.20 | 16 | 100 | 8.0 | 0.50 | 0.8 | 0.040 | 0.225 |
| MSMD110/24 | 1.10 | 2.20 | 24 | 100 | 8.0 | 0.50 | 0.8 | 0.055 | 0.180 |
| MSMD125 | 1.25 | 2.50 | 6 | 40 | 8.0 | 0.40 | 0.8 | 0.035 | 0.140 |
| MSMD150 | 1.50 | 3.00 | 6 | 100 | 8.0 | 0.50 | 0.8 | 0.030 | 0.120 |
| MSMD150/12 | 1.50 | 3.00 | 12 | 100 | 8.0 | 0.50 | 1.0 | 0.030 | 0.120 |
| MSMD150/24 | 1.50 | 3.00 | 24 | 20 | 8.0 | 1.50 | 1.0 | 0.030 | 0.140 |
| MSMD160 | 1.60 | 3.20 | 8 | 100 | 8.0 | 0.50 | 0.8 | 0.025 | 0.120 |
| MSMD160/12 | 1.60 | 3.20 | 12 | 100 | 8.0 | 1.00 | 1.0 | 0.025 | 0.120 |
| MSMD160/16 | 1.60 | 3.20 | 16 | 100 | 8.0 | 1.00 | 1.0 | 0.025 | 0.120 |
| MSMD200 | 2.00 | 4.00 | 16 | 100 | 8.0 | 3.00 | 0.8 | 0.020 | 0.080 |
| MSMD250/16 | 2.50 | 5.00 | 16 | 100 | 8.0 | 5.00 | 1.2 | 0.015 | 0.100 |
| MSMD260 | 2.60 | 5.20 | 16 | 100 | 8.0 | 5.00 | 0.8 | 0.015 | 0.080 |
| MSMD300 | 3.00 | 6.00 | 12 | 100 | 8.0 | 5.00 | 0.8 | 0.012 | 0.060 |
Dimension 1812 SMT PPTC Polymer PTC Resettable Fuse
| P/N | Marking | A | B | C | D | |||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | ||
| MSMD010 | T010 | 4.37 | 4.73 | 3.07 | 3.41 | 0.80 | 1.20 | 0.30 |
| MSMD014 | T014 | 4.37 | 4.73 | 3.07 | 3.41 | 0.80 | 1.20 | 0.30 |
| MSMD020 | T020 | 4.37 | 4.73 | 3.07 | 3.41 | 0.80 | 1.20 | 0.30 |
| MSMD020/60 | T020 | 4.37 | 4.73 | 3.07 | 3.41 | 0.80 | 1.20 | 0.30 |
| MSMD030 | T030 | 4.37 | 4.73 | 3.07 | 3.41 | 0.80 | 1.20 | 0.30 |
| MSMD035 | T035 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD050 | T050 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD075 | T075 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD075/24 | T075 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD075/33 | T075 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD110 | T110 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD110/16 | T110 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD110/24 | T110 | 4.37 | 4.73 | 3.07 | 3.41 | 0.90 | 1.30 | 0.30 |
| MSMD125 | T125 | 4.37 | 4.73 | 3.07 | 3.41 | 0.60 | 1.00 | 0.30 |
| MSMD150 | T150 | 4.37 | 4.73 | 3.07 | 3.41 | 0.45 | 0.85 | 0.30 |
| MSMD150/12 | T150 | 4.37 | 4.73 | 3.07 | 3.41 | 0.45 | 0.85 | 0.30 |
| MSMD150/24 | T150 | 4.37 | 4.73 | 3.07 | 3.41 | 0.90 | 1.30 | 0.30 |
| MSMD160 | T160 | 4.37 | 4.73 | 3.07 | 3.41 | 0.45 | 0.85 | 0.30 |
| MSMD160/12 | T160 | 4.37 | 4.73 | 3.07 | 3.41 | 0.45 | 0.85 | 0.30 |
| MSMD160/16 | T160 | 4.37 | 4.73 | 3.07 | 3.41 | 0.45 | 0.85 | 0.30 |
| MSMD200 | T200 | 4.37 | 4.73 | 3.07 | 3.41 | 0.70 | 1.10 | 0.30 |
| MSMD250/16 | T250 | 4.37 | 4.73 | 3.07 | 3.41 | 0.70 | 1.10 | 0.30 |
| MSMD260 | T260 | 4.37 | 4.73 | 3.07 | 3.41 | 0.70 | 1.10 | 0.30 |
| MSMD300 | T300 | 4.37 | 4.73 | 3.07 | 3.41 | 0.70 | 1.10 | 0.30 |
Operating principle 1812 SMT PPTC Polymer PTC Resettable Fuse
The operating principle of JKPPTC Resettable Fuse is based on the
dynamic equilibrium of energy. The curren passing JKPPTC component
will cause some heat, part or all the heat diffuse in the air,
while the stay heat can rise the temperature of JKPPTC
component.(show in the under diagram)
1. Under normal working,the dynamic equilibrium of energy keep the
JKPPTC’s temperature and resistance low. (T<25 ℃)
2. When the current or the environment temperature rising, but the
heat produced and that sent forth still reach a equilibratory
state, The JKPPTC will still in low resistance. (R<Rc,T<25℃)
3. When the JKPPTC’s temperature increaces to Tc,If the current and
ambient temperature continue to further rise, then the stay heat
will be larger and larger, thus causing the temperature of JKTTPC
component abruptly rising. In this stage(Tc), the least change of
temperature will cause resistance value substantially increasing,
and JKPPTC component will be in the high resistance protection
state(Rc~Rp,Tc~Tp). The increase of impedance will prevent current
from rising ,and the current will rapidly fall in a little
time,thus protecting circuit units from damage.
4. If the heat produced by the applied voltage is enough to the
diffusing by the JKPPTC component , the component will remain in
the operating state (high resistance).Once the applied voltage
disappears, JKPPTC will automatically reset itself.
Positive Temperature Coefficient 1812 SMT Polymer 0.75A PPTC Resettable Fuse 16V
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