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Positive Temperature Coefficient 1812 SMT Polymer 0.75A PPTC Resettable Fuse 16V

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Positive Temperature Coefficient 1812 SMT Polymer 0.75A PPTC Resettable Fuse 16V

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Brand Name :AMPFORT
Model Number :MSMD075
Certification :UL,CUL,TUV
Place of Origin :Dongguan,Guangdong,China
MOQ :2000 pcs
Price :Negotiable
Payment Terms :T/T,Paypal, Western Union
Supply Ability :10,000,000 Pieces Per Month
Delivery Time :7-10 Workdays
Packaging Details :Tape in reel
Name :1812 PPTC Resettable Fuse 0.75A 16V 24V 33V
Size :1812(4532 metric)
Hold current :0.75A
Voltage :16V 24V 33V
Mounting Type :Surface Mountable
Package :Taped in reel
Advantages :Automated assembly
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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/NIH, (A)IT,(A)Vmax,(v)Imax,(A)(A)(Sec.)Pd typ(W)RminR1max
MSMD0100.100.3060100.51.500.80.70015.000
MSMD0140.140.3460101.50.150.80.4006.500
MSMD0200.200.4030108.00.020.80.7505.00
MSMD020/600.200.4060101.50.150.80.4006.000
MSMD0300.300.6030108.00.100.80.3003.000
MSMD0350.350.7016108.00.100.80.2001.800
MSMD0500.501.0016308.00.150.80.1501.000
MSMD0750.751.5016408.00.200.80.1100.450
MSMD075/240.751.5024408.00.200.80.1100.450
MSMD075/330.751.5033408.00.200.80.1100.450
MSMD1101.102.2061008.00.300.80.0400.225
MSMD110/161.102.20161008.00.500.80.0400.225
MSMD110/241.102.20241008.00.500.80.0550.180
MSMD1251.252.506408.00.400.80.0350.140
MSMD1501.503.0061008.00.500.80.0300.120
MSMD150/121.503.00121008.00.501.00.0300.120
MSMD150/241.503.0024208.01.501.00.0300.140
MSMD1601.603.2081008.00.500.80.0250.120
MSMD160/121.603.20121008.01.001.00.0250.120
MSMD160/161.603.20161008.01.001.00.0250.120
MSMD2002.004.00161008.03.000.80.0200.080
MSMD250/162.505.00161008.05.001.20.0150.100
MSMD2602.605.20161008.05.000.80.0150.080
MSMD3003.006.00121008.05.000.80.0120.060



Dimension 1812 SMT PPTC Polymer PTC Resettable Fuse

P/N

Marking

ABCD
Min.Max.Min.Max.Min.Max.Min.
MSMD010T0104.374.733.073.410.801.200.30
MSMD014T0144.374.733.073.410.801.200.30
MSMD020T0204.374.733.073.410.801.200.30
MSMD020/60T0204.374.733.073.410.801.200.30
MSMD030T0304.374.733.073.410.801.200.30
MSMD035T0354.374.733.073.410.601.000.30
MSMD050T0504.374.733.073.410.601.000.30
MSMD075T0754.374.733.073.410.601.000.30
MSMD075/24T0754.374.733.073.410.601.000.30
MSMD075/33T0754.374.733.073.410.601.000.30
MSMD110T1104.374.733.073.410.601.000.30
MSMD110/16T1104.374.733.073.410.601.000.30
MSMD110/24T1104.374.733.073.410.901.300.30
MSMD125T1254.374.733.073.410.601.000.30
MSMD150T1504.374.733.073.410.450.850.30
MSMD150/12T1504.374.733.073.410.450.850.30
MSMD150/24T1504.374.733.073.410.901.300.30
MSMD160T1604.374.733.073.410.450.850.30
MSMD160/12T1604.374.733.073.410.450.850.30
MSMD160/16T1604.374.733.073.410.450.850.30
MSMD200T2004.374.733.073.410.701.100.30
MSMD250/16T2504.374.733.073.410.701.100.30
MSMD260T2604.374.733.073.410.701.100.30
MSMD300T3004.374.733.073.410.701.100.30



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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