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Wide-Band Thermopads® WB2 Series

The WTVA WB2 is EMC’s wide band temperature variable attenuator and was designed for wire bondable applications. This product provides a good linear shift from DC to 20 GHz and from -55 °C to +125 °C. Our Thermopads® are microwave absorptive attenuators which provide power dissipation that varies with temperature. This product is available with bondable gold terminals and a wrap around ground plane.

WTVA-WB2 Specification Sheet

Wire Bondable WTVA (WB2) Packaging Specifications


Size 1.52mm x 1.91mm [0.060in x 0.075in]
Impedance 50 Ohms
Frequency Range DC to 20 GHz
TCA Tolerance ±0.001 dB/dB/°C
VSWR (Typical) 1.25:1 Max DC-10 GHz @ 25°C
1.70:1 Max 10-20 GHz @ 25
Power Rating 200 Milliwatts
Operating Temperature -55°C to 150°C
Substrate Alumina
Resistive Material Thick Film
Terminal Material Thick Film, Wire Bondable or Lead Free Finish