52280

True Hermetically Sealed Proportionally Controlled Metal Package Heater Hybrids Mii HYBRID MICROELECTRONICS PRODUCTS DIVISION Features: ƒ Self-contained Programmable via a single external resistor Available in 28 watt and 48 watt versions Standard products Applications: Ideal for microwave oscillators Telecommunications Other areas where temperature control is needed DESCRIPTION The Mii heater is a self-contained hybrid circuit heater programmable for temperature by a single external resistor. These systems are ideal for microwave oscillators, telecommunications and other areas where temperature control is needed. Metal package heaters are available in 28 watt and 40 watt versions.. Typical Electrical Characteristics for DC Metal Package Heater Mii P/N 52280-2 …………………………………………………………….……………………….……..…. 28 VDC Input, 28 Watts Mii P/N 52280-1 …………………………………………………………….…………………………...……. 28 VDC Input, 40 Watts Operating Voltage Range (See Note 1) ………………………………………………………………………..…………. 28± 1 VDC Voltage Limits ……………………………………………………………………………………………... 24 VDC Min, 32 VDC Max Reverse Voltage Protection …………………………………………………………………………..………….………… to 50 VDC Operating Current Range ………………………………………………………………….…………………..……… 0.005 to 1.00 A Turn-on Current ………………………………………………………………………………………….…….……………… to 1.00 A Quiescent Current ……………………………………………………………………………………………..…….. Less than .005 A Typical Temperature Characteristics Control Range …………………………………………………………………………………………..……………. +50°C to +1...