Hittite Microwave Corporation HMC653LP2E Fixed Attenuator Model Information

Model Number: HMC653LP2E

Key Features:

• Fixed Attenuation Level: 3 dB
• Wide Bandwidth: DC to 25 GHz
• Excellent Attenuation Accuracy
• Power Handling: +25 dBm
• 6 Lead 2x2 mm SMT Package: 4 mm²
• Compatible with high volume surface mount manufacturing techniques
• Applications:
• Fiber Optics
• Microwave Radio
• Military & Space
• Test & Measurement
• Scientific Instruments
• RF/Microwave Circuit Prototyping
• General Description:
  The HMC653LP2E is a wideband fixed value surface mount technology (SMT) 50 Ohm matched attenuator offering a 3 dB attenuation level. It is designed for military, test equipment, and other wideband applications where extremely flat attenuation and excellent voltage standing wave ratio (VSWR) versus frequency are required. The device can handle up to +25 dBm of input power and is suitable for high-volume surface mount manufacturing.
• Electrical Specifications (at TA = +25°C, 50 Ohm system):
• Return Loss (Minimum): 7.0 dB
• Return Loss (Typical): 23.0 dB
• Attenuation Tolerance: ±0.5 dB
• Temperature Coefficient (Typical): 0.0006 dB/°C
• Absolute Maximum Ratings:
• RF Input Power (CW): 26 dBm
• DC Voltage (Terminated): 5.2 V
• DC Voltage (Open): 5.1 V
• Storage Temperature: -65°C to +150°C
• Operating Temperature: -40°C to +85°C
• ESD Sensitivity (HBM): Class 1A
• Package Information:
• Package Type: 6 Lead 2x2 mm SMT
• Package Body Material: RoHS-compliant Low Stress Injection Molded Plastic
• Lead Finish: 100% matte Sn
• MSL Rating: MSL1 (Max peak reflow temperature of 260°C)
• Package Marking: NNN XXX (3-Digit lot number)
• Pin Descriptions:
• Pins 1, 3, 4, 6: GND (Package bottom must be connected to RF/DC ground)
• Pins 2, 5: RF1, RF2 (DC coupled and matched to 50 Ohms; use DC blocking capacitors if input/output signals have non-zero DC potential)
• The HMC653LP2E is an ideal choice for applications requiring precise attenuation over a wide frequency range, particularly in military, aerospace, and high-precision test and measurement environments.