SD1490
RF POWER BIPOLAR TRANSISTORS TV/LINEAR APPLICATIONS
FEATURES SUMMARY ■ 470 - 860 MHz
■ ■ ■
Figure 1. Package
28...
SD1490
RF POWER BIPOLAR
TRANSISTORS TV/LINEAR APPLICATIONS
FEATURES SUMMARY ■ 470 - 860 MHz
■ ■ ■
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
■ ■ ■ ■ ■ ■
DESCRIPTION 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.
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
SD1490
ELECTRICAL SPECIFICATIONS (Tcase = 25°C) Table 4. Static
Value Symbol BVCBO BVCEO BVEBO ICEO hFE Test Conditions Min. IC = 50 mA; IE = 0 mA IC = 200 mA; IB = 0 mA IE = 10...
