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TFM-3 from Mini-Circuits

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TFM-3

Manufacturer: Mini-Circuits

Circuits - FREQUENCY MIXERS

Partnumber Manufacturer Quantity Availability
TFM-3,TFM3 Mini-Circuits 835 In Stock

Description and Introduction

Circuits - FREQUENCY MIXERS The TFM-3 from Mini-Circuits is a surface-mount, low-pass filter designed for RF and microwave applications. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Frequency Range:** DC to 3 GHz  
- **Insertion Loss (Max):** 1.5 dB (typical)  
- **Passband Ripple (Max):** ±0.5 dB  
- **Stopband Attenuation:**  
  - 4.5 GHz: ≥15 dB  
  - 6 GHz: ≥30 dB  
  - 9 GHz: ≥40 dB  
- **Impedance:** 50 Ω  
- **Power Handling (Max):** +30 dBm (1W)  
- **Operating Temperature Range:** -55°C to +100°C  
- **Package Type:** Surface Mount (SMD)  
- **Dimensions:** 0.20" x 0.13" x 0.08" (5.08 x 3.30 x 2.03 mm)  

### **Descriptions:**  
- The TFM-3 is a low-pass filter designed for applications requiring high rejection of unwanted harmonics and spurious signals.  
- It is suitable for use in wireless communications, test equipment, and RF signal conditioning.  
- The filter is constructed using thin-film technology for improved performance and reliability.  

### **Features:**  
- **High Rejection:** Provides strong attenuation in the stopband.  
- **Low Insertion Loss:** Ensures minimal signal degradation in the passband.  
- **Compact Size:** Small SMD footprint for space-constrained designs.  
- **Wideband Performance:** Effective filtering from DC to 3 GHz.  
- **High Power Handling:** Capable of handling up to 1W of RF power.  

This information is based solely on the manufacturer's provided data for the TFM-3 filter from Mini-Circuits.

Application Scenarios & Design Considerations

Circuits - FREQUENCY MIXERS

Alternative Part Number

  • ZX60-33LN+ --: Low-noise MMIC amplifier in a different product series with comparable gain and frequency coverage, usable as a functional substitute for TFM-3 in many RF signal-chain designs.
  • MAR-6SM+ --: Wideband MMIC amplifier with similar gain and bandwidth characteristics, offered in a different series and package, making it a practical drop-in alternative for general RF amplification.
  • ERA-2SM+ --: Monolithic amplifier with comparable frequency range and gain, from a distinct product family, suitable as a third-choice replacement when layout and biasing are adjusted.
  • ADT1-1WT+ --: Wideband RF transformer in a similar surface-mount package, offering comparable impedance transformation and bandwidth for signal coupling applications.
  • T1-1T+ --: RF transformer with similar 1:1 impedance ratio and frequency range, suitable as a functional substitute in matching and isolation circuits.
  • TC1-1T+ --: Surface-mount RF transformer with comparable coupling performance and bandwidth, usable as an alternative where board space and impedance match allow.

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