Union Semiconductor International Limited

Union Semiconductor International Limited

Union Semiconductor International Limited (USI) is a reputable global semiconductor company engaged in the design, manufacturing, and distribution of integrated circuits and electronic components. With a strong commitment to research and development, USI provides innovative and high-quality solutions for various industries, including consumer electronics, automotive, industrial, and telecommunications. Their diverse product portfolio includes system-on-chips (SoCs), sensors, power management ICs, and radio-frequency modules. USI's state-of-the-art manufacturing facilities and dedication to quality assurance ensure the production of reliable and efficient semiconductor solutions. They work closely with customers, offering customized solutions and technical support to meet specific requirements. USI also prioritizes sustainability by minimizing environmental impact and developing energy-efficient products. With their focus on innovation, quality, and customer satisfaction, USI continues to drive technological advancements and maintain a prominent position in the semiconductor market.

EMI/RFI Filters (LC, RC Networks)

Results:
10
Series
Size / Dimension
Attenuation Value
Number of Channels
Height
Filter Order
Values
Package / Case
Technology
Resistance - Channel (Ohms)
Operating Temperature
Applications
Center / Cutoff Frequency
Voltage - Rated
Mounting Type
ESD Protection
Type
Current
Results remaining10
Applied Filters:
Union Semiconductor International Limited
Select
ImageProduct DetailPriceAvailabilityECAD ModelSeriesMounting TypeOperating TemperaturePackage / CaseNumber of ChannelsSize / DimensionVoltage - RatedHeightTypeFilter OrderTechnologyCenter / Cutoff FrequencyResistance - Channel (Ohms)ValuesESD ProtectionApplicationsCurrentAttenuation Value
UM4601
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
4
0.079" L x 0.079" W (2.00mm x 2.00mm)
5V
0.031" (0.80mm)
Low Pass
3rd
LC (Pi)
150MHz (Cutoff)
10
L = 17nH, C = 15pF
Yes
Data Lines for Mobile Devices
-
-24dB @ 800MHz, -41dB @ 2 ~ 5GHz
UM4611
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
4
0.067" L x 0.051" W (1.70mm x 1.30mm)
5V
0.024" (0.60mm)
Low Pass
3rd
LC (Pi)
150MHz (Cutoff)
10
L = 17nH, C = 15pF
Yes
Data Lines for Mobile Devices
-
-24dB @ 800MHz, -41dB @ 2 ~ 5GHz
UM8601
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-WFDFN Exposed Pad
8
0.157" L x 0.063" W (4.00mm x 1.60mm)
5V
0.031" (0.80mm)
Low Pass
3rd
LC (Pi)
150MHz (Cutoff)
10
L = 17nH, C = 15pF
Yes
Data Lines for Mobile Devices
-
-24dB @ 800MHz, -41dB @ 2 ~ 5GHz
UM8401
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
16-WFDFN Exposed Pad
8
0.157" L x 0.063" W (4.00mm x 1.60mm)
5V
0.031" (0.80mm)
Low Pass
2nd
RC (Pi)
150MHz (Cutoff)
-
R = 100Ohm, C = 10pF
Yes
Data Lines for Mobile Devices
-
-31.5dB @ 800MHz, 25dB @ 2 ~ 5GHz
UM6411
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
6
0.098" L x 0.051" W (2.50mm x 1.30mm)
5V
0.024" (0.60mm)
Low Pass
2nd
RC (Pi)
150MHz (Cutoff)
-
R = 100Ohm, C = 10pF
Yes
Data Lines for Mobile Devices
-
-36dB @ 800MHz, -32dB @ 2 ~ 5GHz
UM8611
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
8
0.130" L x 0.051" W (3.30mm x 1.30mm)
5V
0.024" (0.60mm)
Low Pass
3rd
LC (Pi)
150MHz (Cutoff)
10
L = 17nH, C = 15pF
Yes
Data Lines for Mobile Devices
-
-24dB @ 800MHz, -41dB @ 2 ~ 5GHz
UM4411
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
4
0.067" L x 0.051" W (1.70mm x 1.30mm)
5V
0.024" (0.60mm)
Low Pass
2nd
RC (Pi)
150MHz (Cutoff)
-
R = 100Ohm, C = 10pF
Yes
Data Lines for Mobile Devices
-
-36dB @ 800MHz, -32dB @ 2 ~ 5GHz
UM4401
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
4
0.083" L x 0.063" W (2.10mm x 1.60mm)
5V
0.024" (0.61mm)
Low Pass
2nd
RC (Pi)
150MHz (Cutoff)
-
R = 100Ohm, C = 10pF
Yes
Data Lines for Mobile Devices
-
-36dB @ 800MHz, -32dB @ 2 ~ 5GHz
UM6401
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
6
0.118" L x 0.063" W (3.00mm x 1.60mm)
5V
0.024" (0.61mm)
Low Pass
2nd
RC (Pi)
150MHz (Cutoff)
-
R = 100Ohm, C = 10pF
Yes
Data Lines for Mobile Devices
-
-36dB @ 800MHz, -32dB @ 2 ~ 5GHz
UM8411
Contact us
Quantity
Contact us
PCB Symbol, Footprint & 3D Model
-
Surface Mount
-40°C ~ 85°C
8-UFDFN
8
0.130" L x 0.051" W (3.30mm x 1.30mm)
5V
0.024" (0.60mm)
Low Pass
2nd
RC (Pi)
150MHz (Cutoff)
-
R = 100Ohm, C = 10pF
Yes
Data Lines for Mobile Devices
-
-36dB @ 800MHz, -32dB @ 2 ~ 5GHz

About  EMI/RFI Filters (LC, RC Networks)

Products within this family are designed to combine multiple passive components into a single device, resulting in a frequency-dependent opposition to the flow of current. While there are alternative types available, the majority of these products are classified as low-pass devices, specifically designed to suppress the transmission of high-frequency signals that could potentially cause interference or disrupt desired operation. These integrated devices offer a compact solution by incorporating various passive components, such as resistors, capacitors, and inductors, into a single unit. The arrangement and characteristics of these components are carefully engineered to create a frequency-dependent impedance. This impedance acts as a barrier to the flow of current for high-frequency signals, effectively attenuating or blocking them while allowing lower-frequency signals to pass through with minimal disruption. By utilizing these low-pass devices, the undesired transmission of high-frequency signals can be effectively suppressed. This is particularly important in situations where the presence of high-frequency signals may interfere with the proper functioning of electronic systems. The integration of multiple components into a single device not only simplifies the design process but also enhances the overall reliability of the system. These products find widespread application in various industries, including telecommunications, audio equipment, data transmission systems, and electronic circuits, where the prevention of high-frequency interference is crucial. They play a vital role in maintaining the integrity of signals, minimizing noise, and ensuring the optimal operation of electronic systems. To summarize, the products in this family integrate multiple passive components into a single device that creates a frequency-dependent opposition to current flow. While other types exist, the majority of these products are low-pass devices specifically designed to suppress the transmission of high-frequency signals that could otherwise result in interference or undesired operation. By incorporating these devices into electronic systems, unwanted high-frequency signals can be effectively mitigated, ensuring reliable operation and optimal performance.