SD1538-08
RF & MICROWAVE TRANSISTORS AVIONICS APPLICATIONS
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DESIGNED FOR HIGH POWER PULSE IFF, DME, A...
SD1538-08
RF & MICROWAVE
TRANSISTORS AVIONICS APPLICATIONS
. . . . . . . . .
DESIGNED FOR HIGH POWER PULSE IFF, DME, AND TACAN APPLICATIONS 200 W (typ.) IFF 1030 - 1090 MHz 150 W (min.) DME 1025 - 1150 MHz 140 W (typ.) TACAN 960 - 1215 MHz 7.8 dB MIN. GAIN REFRACTORY GOLD METALLIZATION BALLASTING AND LOW THERMAL RESISTANCE FOR RELIABILITY AND RUGGEDNESS 30:1 LOAD VSWR CAPABILITY AT SPECIFIED OPERATING CONDITIONS INPUT AND OUTPUT MATCHED, COMMON BASE CONFIGURATION
.400 x .400 2LFL (M138) hermetically sealed ORDER CODE SD1538-08 BRANDING 1538-8
PIN CONNECTION
DESCRIPTION The SD1538-08 is a gold metallized, silicon
NPN power
transistor. The SD1538-08 is designed for applications requiring high peak power and low duty cycles such as IFF, DME and TACAN. The SD1538-08 is packaged in a metal/ceramic package with internal input/output matching, resulting in improved broadband performance and low thermal resistance. ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol Parameter
1. Collector 2. Base
3. Emitter 4. Base
Value
Unit
VCBO VCES VEBO IC PDISS TJ T STG
Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature
65 65 3.5 11 583 +200 − 65 to +150
V V V A W °C °C
THERMAL DATA RTH(j-c)
September 6, 1994
Junction-Case Thermal Resistance
0.30
°C/W
1/5
SD1538-08
ELECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC
Symbol Test Conditions Value Min. Typ. Max. Unit
BVCBO BVCES BVEBO ICES h...