STMicroelectronics SD1490
The SD1490 is a gold metallized epitaxial silicon NPN planar transistor using diffused emitter ballast resistors for high linearity Class A operation in UHF and Band IV, V television transmitters and transposers.| Part No. | SD1490 |
|---|---|
| Datasheet | SD1490 Download |
| Manufacturer |  STMicroelectronics |
| Description | RF & MICROWAVE TRANSISTORS |
| Buy | Stock & Price |
APPLICATIONS
FEATURES
SUMMARY● 470 - 860 MHz
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● Figure 1. Package 28 VOLTS CLASS A PUSH PULL DESIGNED FOR HIGH POWER LINEAR OPERATION HIGH SATURATED POWER CAPABILITY GOLD METALLIZATION DIFFUSED EMITTER BALLAST RESISTORS COMMON EMITTER CONFIGURATION INTERNAL INPUT MATCHING POUT = 25 W MIN. WITH 9.0 dB GAIN
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DESCRIPTION
Table 1. Order Codes Order Codes SD1490 Marking SD1490 Package M173 Packaging PLASTIC TRAYS w w w t a .D S a e h Figure 2. Pin Connection U 4 t e .c m o .438 x .450 2LFL (M173) epoxy sealed 1. Collector 2. Base 3. Emitter June 2004 w w w .D a S a t e e h U 4 t m o .c REV. 2 1/10 SD1490 Table 2.ABSOLUTE MAXIMUM RATINGS
(Tcase = 25°C) Symbol VCBO VCEO VEBO IC PDISS TJ TSTG Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature Value 45 30 3.0 8 135 +200 – 50 to +150 Unit V V V A W °C °C Table 3. Thermal Data Symbol RTH(j-c) Parameter Junction-Case Thermal Resistance Value 1.3 Unit °C/W 2/10 SD1490ELECTRICAL SPECIFICATIONS
(Tcase = 25°C) Table 4.
