Guangdong Uchi Electronics Co.,Ltd
| Payment Terms | T/T, Western Union, MoneyGram |
| Supply Ability | 800,000,000PCS PER MONTH |
| Delivery Time | 7-10 Days |
| Packaging Details | Tape in reel,1500pcs per reel,Tape & reel packaging per EIA481-1 |
| Name | PPTC Resettable Fuse |
| Current Hold Ih (A) | 1.85A |
| Current Trip It (A) | 3.7A |
| Voltage (VDC) – max. | 33V |
| Current (A) – max. | 40A |
| Operating Temperature | -40 ~ +85 degC |
| Package / Case | 2920 |
| Applications | General Purpose |
| Mount, Concaveing Type | Surface Mount, Concave |
| Power Pd (W) – typ. | 1.5W |
| Time to Trip (A) – max | 8A |
| Time to Trip (Sec) – max. | 2.5sec |
| Resistance (ohm) – min. | 0.03 ohms |
| Resistance (ohm) – max. | 0.15 ohms |
| Size (mm) – max. | 7.98 x 5.44mm |
| Features | Faster Time to Trip |
| Brand Name | UCHI |
| Model Number | SMD2920R185SF |
| Certification | ROHS,HF |
| Place of Origin | Dongguan,Guangdong,China |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram | Supply Ability | 800,000,000PCS PER MONTH |
| Delivery Time | 7-10 Days | Packaging Details | Tape in reel,1500pcs per reel,Tape & reel packaging per EIA481-1 |
| Name | PPTC Resettable Fuse | Current Hold Ih (A) | 1.85A |
| Current Trip It (A) | 3.7A | Voltage (VDC) – max. | 33V |
| Current (A) – max. | 40A | Operating Temperature | -40 ~ +85 degC |
| Package / Case | 2920 | Applications | General Purpose |
| Mount, Concaveing Type | Surface Mount, Concave | Power Pd (W) – typ. | 1.5W |
| Time to Trip (A) – max | 8A | Time to Trip (Sec) – max. | 2.5sec |
| Resistance (ohm) – min. | 0.03 ohms | Resistance (ohm) – max. | 0.15 ohms |
| Size (mm) – max. | 7.98 x 5.44mm | Features | Faster Time to Trip |
| Brand Name | UCHI | Model Number | SMD2920R185SF |
| Certification | ROHS,HF | Place of Origin | Dongguan,Guangdong,China |
| High Light | Surface Mount PPTC Resettable Fuse ，33V Pptc Resettable Fuse ，1.85A pptc resettable fuse | ||
SMD PTC Reset 2920 Concave Case Surface Mount PPTC Resettable Fuse 0.3-7A 33V 1.85A Ih
Features
Operation Current: 0.01A ~ 5.0A
Maximum Voltage: 6V ~ 60V
Temperature Range: -40ºC to 85ºC
Excellent for high density applications
Faster time to trip than standard SMD devices
Solid state, Surface mountable: 0603, 0805, 1206, 1210, 1812, 2920
Performance Specification
| Model | V max | Imax | I hold | I trip | Maximum | Resistance | |||
| Pd | Time To Trip | ||||||||
| @25°C | @25°C | Typ. | Current | Time | R i min | R1max | |||
| (V dc) | (A) | (A) | (A) | (W) | (A) | (Sec) | (W) | (W) | |
| SMD2920R030SF | 60 | 10 | 0.30 | 0.60 | 1.5 | 1.5 | 3.0 | 0.600 | 4.800 |
| SMD2920R050SF | 60 | 10 | 0.50 | 1.00 | 1.5 | 2.5 | 4.0 | 0.180 | 1.400 |
| SMD2920R075SF | 33 | 40 | 0.75 | 1.50 | 1.5 | 8.0 | 0.3 | 0.100 | 1.000 |
| SMD2920R075SF60V | 60 | 40 | 0.75 | 1.50 | 1.5 | 8.0 | 0.3 | 0.100 | 1.000 |
| SMD2920R100SF | 33 | 40 | 1.10 | 2.20 | 1.5 | 8.0 | 0.5 | 0.065 | 0.410 |
| SMD2920R100SF60V | 60 | 40 | 1.10 | 2.20 | 1.5 | 8.0 | 0.5 | 0.065 | 0.410 |
| SMD2920R125SF | 33 | 40 | 1.25 | 2.50 | 1.5 | 8.0 | 2.0 | 0.050 | 0.250 |
| SMD2920R150SF | 33 | 40 | 1.50 | 3.00 | 1.5 | 8.0 | 2.0 | 0.035 | 0.230 |
| SMD2920R185SF | 33 | 40 | 1.85 | 3.70 | 1.5 | 8.0 | 2.5 | 0.030 | 0.150 |
| SMD2920R200SF | 16 | 40 | 2.00 | 4.00 | 1.5 | 8.0 | 4.5 | 0.020 | 0.120 |
| SMD2920R200SF24V | 24 | 40 | 2.00 | 4.00 | 1.5 | 8.0 | 4.5 | 0.020 | 0.120 |
| SMD2920R200SF33V | 33 | 40 | 2.00 | 4.00 | 1.5 | 8.0 | 4.5 | 0.020 | 0.120 |
| SMD2920R250SF | 16 | 40 | 2.50 | 5.00 | 1.5 | 8.0 | 16.0 | 0.020 | 0.085 |
| SMD2920R250SF24V | 24 | 40 | 2.50 | 5.00 | 1.5 | 8.0 | 16.0 | 0.020 | 0.085 |
| SMD2920R260SF | 6 | 40 | 2.60 | 5.20 | 1.5 | 8.0 | 10.0 | 0.014 | 0.075 |
| SMD2920R260SF16V | 16 | 40 | 2.60 | 5.20 | 1.5 | 8.0 | 10.0 | 0.014 | 0.075 |
| SMD2920R300SF | 6 | 40 | 3.00 | 6.00 | 1.5 | 8.0 | 20.0 | 0.012 | 0.048 |
| SMD2920R300SF16v | 16 | 40 | 3.00 | 6.00 | 1.5 | 8.0 | 20.0 | 0.012 | 0.048 |
| SMD2920R400SF | 6 | 40 | 4.00 | 8.00 | 1.5 | 20.0 | 4.0 | 0.008 | 0.040 |
| SMD2920R400SF16V | 16 | 40 | 4.00 | 8.00 | 1.5 | 20.0 | 4.0 | 0.008 | 0.040 |
| SMD2920R500SF | 6 | 40 | 5.00 | 10.00 | 1.5 | 25.0 | 5.0 | 0.005 | 0.031 |
| SMD2920R500SF12V | 12 | 40 | 5.00 | 10.00 | 1.5 | 25.0 | 5.0 | 0.005 | 0.031 |
| SMD2920R500SF16V | 16 | 40 | 5.00 | 10.00 | 1.5 | 25.0 | 5.0 | 0.005 | 0.031 |
| SMD2920R600SF | 6 | 40 | 6.00 | 12.00 | 1.5 | 25.0 | 6.0 | 0.004 | 0.020 |
| SMD2920R600SF12v | 12 | 40 | 6.00 | 12.00 | 1.5 | 25.0 | 6.0 | 0.004 | 0.020 |
| SMD2920R700SF | 6 | 40 | 7.00 | 14.00 | 1.5 | 25.0 | 6.0 | 0.0025 | 0.010 |
| SMD2920R700SF12v | 12 | 40 | 7.00 | 14.00 | 1.5 | 25.0 | 6.0 | 0.0025 | 0.010 |
Environmental Specifications
| Test | Conditions | Resistance change | |||
| Passive aging | +85°C, 1000 hrs. | ±5% typical | |||
| Humidity aging | +85°C, 85% R.H. , 168 hours | ±5% typical | |||
| Thermal shock | +85°C to -40°C, 20 times | ±33% typical | |||
| Resistance to solvent | MIL-STD-202,Method 215 | No change | |||
| Vibration | MIL-STD-202,Method 201 | No change | |||
| Ambient operating conditions : - 40 °C to +85 °C | |||||
| Maximum surface temperature of the device in the tripped state is 125 °C | |||||
Thermal Derading Chart
Recommended Hold Current(A) at Ambient Temperature(°C)
| Model | Ambient Operation Temperature | ||||||||
| -40°C | -20°C | 0°C | 25°C | 40°C | 50°C | 60°C | 70°C | 85°C | |
| SMD2920R030SF | 0.45 | 0.40 | 0.35 | 0.30 | 0.25 | 0.23 | 0.20 | 0.17 | 0.14 |
| SMD2920R050SF | 0.76 | 0.67 | 0.59 | 0.50 | 0.42 | 0.38 | 0.33 | 0.29 | 0.23 |
| SMD2920R075SF | 1.13 | 1.01 | 0.88 | 0.75 | 0.62 | 0.56 | 0.50 | 0.44 | 0.34 |
| SMD2920R100SF | 1.66 | 1.47 | 1.29 | 1.10 | 0.91 | 0.83 | 0.73 | 0.64 | 0.50 |
| SMD2920R125SF | 1.89 | 1.68 | 1.46 | 1.25 | 1.04 | 0.94 | 0.83 | 0.73 | 0.56 |
| SMD2920R150SF | 2.27 | 2.01 | 1.76 | 1.50 | 1.25 | 1.13 | 1.00 | 0.87 | 0.74 |
| SMD2920R185SF | 2.80 | 2.47 | 2.17 | 1.85 | 1.54 | 1.39 | 1.22 | 1.07 | 0.85 |
| SMD2920R200SF | 3.02 | 2.68 | 2.34 | 2.00 | 1.66 | 1.50 | 1.32 | 1.16 | 0.90 |
| SMD2920R250SF | 3.78 | 3.35 | 2.93 | 2.50 | 2.08 | 1.88 | 1.65 | 1.45 | 1.13 |
| SMD2920R260SF | 3.64 | 3.25 | 2.91 | 2.60 | 2.26 | 2.08 | 1.95 | 1.74 | 1.13 |
| SMD2920R300SF | 4.53 | 4.02 | 3.51 | 3.00 | 2.52 | 2.26 | 1.99 | 1.75 | 1.34 |
| SMD2920R400SF | 6.04 | 5.36 | 4.68 | 4.00 | 3.36 | 3.01 | 2.65 | 2.33 | 1.79 |
| SMD2920R500SF | 7.55 | 6.70 | 5.85 | 5.00 | 4.20 | 3.77 | 3.32 | 2.92 | 2.23 |
| SMD2920R600SF | 8.60 | 7.70 | 6.80 | 6.00 | 4.95 | 4.60 | 4.06 | 3.65 | 3.15 |
| SMD2920R700SF | 10.03 | 8.98 | 7.93 | 7.00 | 5.77 | 5.36 | 4.73 | 4.26 | 3.68 |
Physical Dimensions(mm.)
| Model | A | B | C | D | E | |||
| Min. | Max. | Min. | Max. | Min. | Max. | Min. | Min. | |
| SMD2920R030SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.60 | 1.20 | 0.30 | 0.25 |
| SMD2920R050SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.60 | 1.20 | 0.30 | 0.25 |
| SMD2920R075SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.30 | 0.30 | 0.25 |
| SMD2920R075SF60V | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.30 | 0.30 | 0.25 |
| SMD2920R100SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.40 | 1.00 | 0.30 | 0.25 |
| SMD2920R100SF60V | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 2.10 | 0.30 | 0.25 |
| SMD2920R125SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.40 | 1.00 | 0.30 | 0.25 |
| SMD2920R150SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.50 | 1.30 | 0.30 | 0.25 |
| SMD2920R185SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.40 | 0.30 | 0.25 |
| SMD2920R200SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.40 | 0.30 | 0.25 |
| SMD2920R200SF24V | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.40 | 0.30 | 0.25 |
| SMD2920R200SF33V | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.40 | 0.30 | 0.25 |
| SMD2920R250SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.7 | 1.40 | 0.30 | 0.25 |
| SMD2920R250SF24V | 6.73 | 7.98 | 4.80 | 5.44 | 0.7 | 1.40 | 0.30 | 0.25 |
| SMD2920R260SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.7 | 1.40 | 0.30 | 0.25 |
| SMD2920R260SF16V | 6.73 | 7.98 | 4.80 | 5.44 | 0.70 | 1.40 | 0.30 | 0.25 |
| SMD2920R300SF | 6.73 | 7.98 | 4.80 | 5.44 | 0.60 | 1.20 | 0.30 | 0.25 |
| SMD2920R300SF16V | 6.73 | 7.98 | 4.80 | 5.44 | 0.60 | 1.20 | 0.30 | 0.25 |
| SMD2920R400SF | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R400SF16V | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R500SF | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R500SF12V | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R500SF16V | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R600SF | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R600SF12V | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R700SF | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
| SMD2920R700SF12V | 6.73 | 7.98 | 4.80 | 5.44 | 1.00 | 1.60 | 0.30 | 0.25 |
Recommended Pad Layout (mm.)
Packaging Quantity
| Part Number | Quantity |
| SMD2920 Series | 1500 pcs/reel |
Tape & reel packaging per EIA481-1
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2006
Total Annual:
1,500,000-2,500,000
Employee Number:
138~168
Ecer Certification：
Verified Supplier
Uchi was established in 2006 in Dongguan, China. After years of development, Uchi has become a large scale hi-tech enterprise that specialized in development and production of complete series of MOV,PTC, NTC series, PPTC series, Fuse(ALL TYPE),Resistor、integrated circuit 、 Capacitor, ... Uchi was established in 2006 in Dongguan, China. After years of development, Uchi has become a large scale hi-tech enterprise that specialized in development and production of complete series of MOV,PTC, NTC series, PPTC series, Fuse(ALL TYPE),Resistor、integrated circuit 、 Capacitor, ...
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