DESCRIPTION
The UM4000 and UM4900 series features high power PIN diodes with long carrier lifetimes and thick I-regions. They are especially suitable for use in low distortion switches and attenuators, in HF through S band frequencies. While both series are electrically equivalent, the UM4900 series have higher power ratings due to a shorter thermal path between the chip and package. High charge storage and long carrier lifetime enable high RF levels to be controlled with relatively low bias current.

FEATUREs
 • Power dissipation to 37.5 W
 • Voltage ratings to 1000 V
 • Series resistance rated at 0.5 Ω
 • Carrier lifetime greater than 5 µs