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PDF 51974 Data sheet ( Hoja de datos )
| Número de pieza | 51974 | |
| Descripción | True Hermetically Sealed Proportionally Controlled Heater Hybrids | |
| Fabricantes | Micropac Industries | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 51974 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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True Hermetically Sealed
Proportionally Controlled Heater Hybrids
Mii
HYBRID MICROELECTRONICS
PRODUCTS DIVISION
Features:
• Self-contained
• Programmable via a single external resistor
• Available from 40 to 50 watts
Applications:
• Microwave Oscillators
• Telecommunications
• Other areas where temperature control is needed
DESCRIPTION
A self-contained hybrid circuit heater that is programmable via a single external resistor. These systems are ideal for
microwave oscillators, telecommunications and other areas where temperature control is needed. Heaters are available
from 40 to 50 watts.
Typical Electrical Characteristics for DC Heater (28V DC Input, 28 Watts (51974))
Operating Voltage Range (See Note 13) …………………………………………………………………………………… 28 ±1 VC
Voltage Limits ……………………………………………………………………………………………… 24 VDC Min, 32 VDC Max
Reverse Voltage Protection …………………………………………………………………………………………….………. To 50 V
Operating Current Range ……………………………………………………………………………….…………....…. .015 to 1.00 A
Turn on Current …………………………………………………………………………………………………..…………… To 1.00 A
Quiescent Current ………………………………………………………………………………………..…………… Less than .019 A
Typical Electrical Characteristics for AC Heaters (115 VAC Input, 28 Watts (52034))
Operating Voltage Range …………………………………………………………………….………. 100 to 125 VAC, 50 to 400 Hz
Voltage Limits ……………………………………………………………………………………………………...……… 0 to 150 VAC
Operating Current, Steady State ……………………………………………………………………………………..… .001 to .280 A
Turn-on Current Range (at 115 VAC) ………………………………………………………………………………………. To .280 A
Quiescent Current ……………………………………………………………………………………………………… Less than 1 mA
Temperature Characteristics
Control Range (See Note 1, 2 & 3) …………………………………………………………………………………. +50°C to +100°C
Variation with Load (See Note 4) ………………………………………………………………………………………...….. 10°C Max
Variation over Operating Range (See Note 5) …………………………………………………………………………………… ±2°C
Maximum Control Temperature (See Note 6) ………………………………………………………………………………… +120°C
Environmental Characteristics
Operating Temperature …………………………………………………………………………………………….… -55°C to +100°C
Altitude ………………………………………………………………………………………………………………...….. 70,000 ft. Max
Shock ……………………………………………………………………………………………………………………….…. 20 G Max
Vibration …………………………………………………………………………………………………………. 50 G at 2,000 Hz Max
Humidity ……………………………………………………………………………………………………………..... Greater than 95%
Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION • 905 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 494-2281
1
1 page  
Proportionally Controlled Micro DC Heater Hybrid
True Hermetically Sealed
Proportionally Controlled Heater Hybrids
Micropac Industries, Inc., a supplier of state of the art integrated hybrid circuits, introduces a new Micro D heater
offering a low cost alternative to standard heaters, as a temperature stabilization method for a variety of
applications including Saw Filters, VCOs and YIG Oscillators. These heaters are programmable via a single
external resistor. Dimensions are .200 by .200 (Fig. 1) to 1.4 by .5 inches (Fig. 2). Power ratings are from 1.5
watts to 28 watts. For more information on custom heater hybrids, please contract your local Mii representative or
call Mii directly.
Electrical Characteristics
Operating Voltage
Voltage Limits
Operating Current
Turn On Current
Isolation (Pin to Backside)
Power Dissipation
52250-2
Fig. 1
15.0
13.0
17.0
10 to 100
to 100
1000
1.5
52228-B
Fig. 2
24.0
22.0
28.0
15 to 200
to 200
1000
4.8
VDC
VDC min.
VDC max.
mA
mA
VDC
watts
Pin Function
1 +VDC
2 -VDC
3 Control
4 Control
.200
GND
.200
Vcc
Fig. 1
.110 SQ.
(4 PLACES)
.865
MAX.
.510 MAX.
.175 +- .015
1.40
MAX.
Fig. 2
.165 MAX.
.025
NOM.
Micropac Industries cannot assume any responsibility for any circuits shown or represent that they are free from patent infringement.
Micropac reserves the right to make changes at any time in order to improve design and to supply the best product possible.
MICROPAC INDUSTRIES, INC. HYBRID MICROELECTRONICS PRODUCTS DIVISION • 905 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 494-2281
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 51974.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| 51974 | True Hermetically Sealed Proportionally Controlled Heater Hybrids | Micropac Industries |
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