Miniature Proportionally Controlled Heater
Description
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HY-71 10
Micro-heater
Miniature Proportionally Controlled Heater
400 Hot Springs Road, Carson City NV 89706 • (775) 883-0820 • Fax (775) 883-0827 • www.
hytek.
com • 33
TEC Controllers
Features:
✦ ✦ ✦ ✦ ✦
Description:
The HY7110 is a miniature proportionally controlled heater whose temperature can be programmed with a single external resistor.
This device is ideally suited for regulating the temperature of sensitive electronic components such as microwave filters, optical waveguides, multiplexers and crystal oscillators.
The HY7110 in a ceramic package can supply up to 28 Watts of power from an unregulated 28 Volt supply.
Beryllia base for good thermal conduction Regulation temperature from 40°C to 100°C Electrically isolated from the case Epoxy sealed Hermetically sealed and military screened units available
Maximum ratings:
Rating Supply Voltage Reverse Voltage Power Dissipation Operating Temperature (Case) Storage Temperature Range Symbol VDD VR PD T MAX/MIN Value 35 –50 35 100/–20 –65 to +150 Unit Vdc Vdc Watts °C °C
Laser Diode Drivers Micro-heaters
OUTLINE DIMENSIONS
Operating characteristics:
Characteristic Supply Voltage (Pin 1 to Pin 2) Steady State Supply Current @ VDD = +35 Vdc Temperature variation over operating voltage Temperature variation with load
0.
018" diameter Cu with Au flash
Symbol VDD IS ∆T V ∆T L TC RC TMAX PD
Min +8 0.
015
Max +35 1.
0 2 10
Unit Vdc Adc °C °C °C Ω °C Watts
Control Temperature Range Control Resistor Value Pin 3 to Pin 4 (See Figure 1) Maximum Control Temperature when Rc = 0Ω Turn on power at start-up @VDD = +28 Volts
50 0
100 35K 110
25
28
BERYLLIA BASE TWO TIMES ACTUAL SIZE
HY-71 10 Micro-Heater
TYPICAL BASE TEMPERATURE VS CONTROL RESISTOR
SUPPLY CURRENT (AMPS)
MAX START-UP CURRENT VS SUPPLY VOLTAGE
MAX THERMAL POWER AVAILABLE VS SUPPLY VOLTAGE
BASE TEMPERATURE °C
CONTROL RESISTOR RC IN KΩ TYPICAL BASE TEMPERATURE LOSS WITH POWER DISSIPATION
TEMPERATURE CHANGE °C
SUPPLY VOLTAGE (VOLT...
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