The CSWA2-63DR+ is a high-isolation, absorptive SPDT (Single-Pole Double-Throw) RF switch manufactured by Mini-Circuits. 

It is designed for wireless applications and offers excellent performance across a wide frequency range (500 MHz to 6000 MHz).

Key Features :

• Frequency Range: 500 MHz – 6000 MHz (extendable to 0.3 MHz in non-absorptive mode)

• High Isolation: 65 dB typical at 1 GHz

• Low Insertion Loss: 1.0 dB typical (1.8 dB max at 6 GHz)

• Fast Switching Speed: 30 ns rise/fall time

• Wide Operating Voltage: +3V to +5V (single supply, with internal CMOS driver)

• Robust Construction: Sealed, ultra-compact 4×4×1.2 mm package

• High Reliability: MTBF of 373 years at 85°C case temperature

• Military-Grade Durability: Meets MIL-STD requirements for thermal shock, vibration, and mechanical shock

2. Typical Applications

The CSWA2-63DR+ is widely used in RF signal routing and switching applications, including:

• Cellular Networks (4G/5G, ISM bands)

• Automated Switching Networks

• PCN (Personal Communication Networks)

• WCDMA, WiMAX, and Military Communications

• Test & Measurement Equipment

• Radar & Satellite Systems 

3. Technical Specifications Summary

4. Similar & Alternative Models

(1) HSWA2-63DR+ (Mini-Circuits) 

• Frequency Range: 100 MHz – 6 GHz (wider low-end coverage than CSWA2-63DR+)

• Isolation: 48 dB at 6 GHz

• Package: 20-MLCP (4×4 mm)

• Supply Voltage: 2.7V – 5.5V

• Key Difference: Lower isolation but broader frequency support

(2) HSWA2-30DR+ (Mini-Circuits) 

• Frequency Range: DC – 3 GHz (narrower than CSWA2-63DR+)

• Power Consumption: 8 µA (ultra-low current)

• Package Thickness: 0.9 mm (thinner profile)

• Best For: Low-power, space-constrained designs

(3) HMC232A (Analog Devices) 

• Frequency Range: 100 MHz – 12 GHz (superior high-frequency performance)

• Isolation: >50 dB at 6 GHz, >45 dB at 12 GHz

• Package: 4×4 mm LFCSP

• Best For: Test instruments, VSAT, military radios

(4) ZFSWA2-63DR-S+ (Mini-Circuits) 

• Surface-Mount Design: Easier for automated PCB assembly

• Similar specs to CSWA2-63DR+ but optimized for compact RF systems

5. Selection Considerations

When choosing between these models, consider:
✅ Frequency Needs:

• CSWA2-63DR+ (500 MHz–6 GHz) vs. HMC232A (up to 12 GHz)
  ✅ Isolation Requirements:

• CSWA2-63DR+ (65 dB at 1 GHz) vs. HSWA2-63DR+ (48 dB at 6 GHz)
  ✅ Power Handling:

• CSWA2-63DR+ (30 dBm P1dB) vs. HMC232A (higher linearity)
  ✅ Environmental Conditions:

• CSWA2-63DR+ (-55°C to +125°C) vs. HSWA2-63DR+ (-40°C to +105°C)
  ✅ Supply Chain & Lead Time:

• HSWA2-63DR+ (DigiKey stocks available) vs. CSWA2-63DR+ (longer lead times) 

6. Conclusion

The CSWA2-63DR+ is an excellent choice for high-isolation, broadband RF switching in 5G, 

military, and test equipment. For higher frequencies, the HMC232A is superior, 

while HSWA2-63DR+ offers broader low-frequency support. ZFSWA2-63DR-S+ is ideal for compact SMT designs.

For best pricing & availability, check distributors like DigiKey (HSWA2-63DR+) orDEYEE TECH (CSWA2-63DR+)

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