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SD1446

P1-P3P4-P6P7-P7
1/7May 2004
SD1446
RF POWER BIPOLAR TRANSISTORS
UHF MOBILE APPLICATIONS
REV. 2
FEATURES SUMMARY
■ 50 MHz
■ 12.5 VOLTS
■ EFFICIENCY 55%
■ COMMON EMITTER
■ GOLD METALLIZATION
■ P
OUT
= 70 W MIN. WITH 10 dB GAIN
DESCRIPTION
The SD1446 is a 12.5 V Class C epitaxial silicon
NPN planar transistor designed primarily for land
mobile transmitter applications. This device utiliz-
es emitter ballasting and is extremely stable and
capable of withstanding high VSWR under operat-
ing conditions.
Figure 1. Package
Figure 2. Pin Connection
Table 1. Order Codes
.380 4L FL (M113)
epoxy sealed
1. Collector 3. Base
2. Emitter 4. Emitter
Order Codes Marking Package Packaging
SD1446 SD1446 M113 PLASTIC TRAYS
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
SD1446
2/7
Table 2. Absolute Maximum Ratings (T
case
= 25°C)
Table 3. Thermal Data
ELECTRICAL SPECIFICATIONS (T
CASE
= 25°C)
Table 4. Static
Table 5. Dynamic
Symbol Parameter Value Unit
V
CBO
Collector-Base Voltage 36 V
V
CEO
Collector-Emitter Voltage 18 V
V
EBO
Emitter-Base Voltage 3.5 V
I
C
Device Current 12.0 A
P
DISS
Power Dissipation 183 W
T
J
Junction Temperature +200 °C
T
STG
Storage Temperature – 65 to +150 °C
Symbol Parameter Value Unit
R
TH(j-c)
Junction-Case Thermal Resistance 1.05 °C/W
Symbol Test Conditions
Value
Unit
Min. Typ. Max.
BV
CBO
I
C
= 50 mA; I
E
= 0 mA 36 — — V
BV
CES
I
C
= 100 mA; V
BE
= 0 V 36 — — V
BV
CEO
I
C
= 50 mA; I
B
= 0 mA 18 — — V
BV
EBO
I
E
= 10 mA; I
C
= 0 mA 3.5 — — V
I
CES
V
CE
= 15 V; I
E
= 0 mA — — 10 mA
h
FE
V
CE
= 5 V; I
C
= 5 A 10 — — —
Symbol Test Conditions
Value
Unit
Min. Typ. Max.
P
OUT
f = 50 MHz; P
IN
= 7 W; V
CE
= 12.5 V 70 — — W
G
P
f = 50 MHz; P
IN
= 7 W; V
CE
= 12.5 V 10 — — dB
η
c
f = 50 MHz; P
IN
= 7 W; V
CE
= 12.5 V — 55 — %
C
OB
f = 1 MHz; V
CB
= 12.5 V — — 300 pF
Obsolete Product(s) - Obsolete Product(s)
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3/7
SD1446
TYPICAL PERFORMANCE
Figure 3. Power Output vs Power Input
IMPEDANCE DATA
Figure 4. Typical Input Impedance Figure 5. Typical Collector Load Impedance
Table 6. Impedance Data
(1)
Note: 1. P
OUT
= 70W; V
CE
= 12.5 V
FREQ.
Z
IN
(Ω)Z
CL
(Ω)
50 MHz 0.8 + j 0.9 1.2 + j 0.6
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P7

SD1446

Mfr. #:
Buy SD1446
Manufacturer:
Advanced Semiconductor, Inc.
Description:
RF Bipolar Transistors RF Transistor
Lifecycle:
New from this manufacturer.
Delivery:
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