MICROSEMI SD1224

SD1224
RF PRODUCTS
RF & MICROWAVE TRANSISTORS
DIVISION
P RODUCT P REVIEW
DESCRIPTION
KEY FEATURES
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
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The SD1224 is an epitaxial silicon NPN planar transistor designed
primarily for 28 V FM Class C RF amplifiers utilized in ground station
transmitters. This device utilizes ballasted emitter resistors and
improved metallization systems to achieve optimum load mismatch
capability.
175 MHz
28 Volts
Class C
Common Emitter
Efficiency 60% Min.
POUT = 40 W Min.
GP = 7.6 dB Gain
APPLICATIONS/BENEFITS
APPLICATIONS/BENEFITS
! VHF FM Applications
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
65
35
4.0
5.0
60
+200
-65 to +150
Unit
V
V
V
A
W
°C
°C
.380 4LSTUD (M135)
epoxy sealed
PIN CONNECTION
1
THERMAL DATA
RTH(j-c)
Junction-Case Thermal Resistance
2.9
4
°C/W
2
3
1. Collector
3. Base
2. Emitter
4. Emitter
SD1224
Copyright  2000
MSC1643.PDF 2000-12-20
Microsemi
RF Products Division
140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855
Page 1
SD1224
RF PRODUCTS
RF & MICROWAVE TRANSISTORS
DIVISION
P RODUCT P REVIEW
Symbol
BVCBO
BVCES
BVCEO
BVEBO
ICES
ICBO
hFE
Test Conditions
IC = 10 mA
IC = 200 mA
IC = 200 mA
IE = 10 mA
VCE = 30 V
VCB = 30 V
VCE = 5 V
Min.
65
65
35
4.0
IB = 0 mA
VBE = 0 V
IB = 0 mA
IC = 0 mA
IE = 0 mA
IE = 0 mA
IC = 500 mA
SD1224
Typ.
Max.
10
1
200
5
Units
V
V
V
V
mA
mA
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STATIC ELECTRICAL SPECIFICATIONS (TCASE = 25°C)
DYMANIC ELECTRICAL SPECIFICATIONS (TCASE = 25°C)
Symbol
POUT
GP
ηC
COB
Test Conditions
f = 175 MHz
f = 175 MHz
f = 175 MHz
f = 1 MHz
PIN = 7.0 W
PIN = 7.0 W
PIN = 7.0 W
VCB = 30 V
VCE = 28 V
VCE = 28 V
VCE = 28 V
Min.
40
7.6
60
SD1224
Typ.
Max.
Units
65
W
dB
%
pF
IMPEDANCE DATA
ZIN (Ω)
0.85 + j 1.20
1.05 + j 1.32
1.01 + j 1.42
1.05 + j 1.35
ZCL (Ω)
3.25 + j 7.05
4.45 + j 5.40
5.25 + 4.42
5.45 + j 4.12
ELECTRICALS
POUT (w)
28.5
43.0
53.0
60.5
PIN (W)
2.0
4.0
6.0
8.0
Test Conditions: VCE = 28 V
f = 175 MHz
Copyright  2000
MSC1643.PDF 2000-12-20
Microsemi
RF Products Division
140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855
Page 2
SD1224
RF PRODUCTS
RF & MICROWAVE TRANSISTORS
DIVISION
P RODUCT P REVIEW
W W W . Microsemi .COM
PACKAGE DATTA
Copyright  2000
MSC1643.PDF 2000-12-20
Microsemi
RF Products Division
140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855
Page 3
SD1224
RF PRODUCTS
RF & MICROWAVE TRANSISTORS
DIVISION
P RODUCT P REVIEW
W W W . Microsemi .COM
NOTES
Copyright  2000
MSC1643.PDF 2000-12-20
Microsemi
RF Products Division
140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855
Page 4