140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
MS1279
RF & MICROWAVE TRANSISTORS
TV/LINEAR APPLICATIONS
Features
•
•
•
•
•
•
•
170- 230 MHz
25 VOLTS
P
OUT
= 20 WATTS
G
P
= 8.0 dB GAIN MINIMUM
GOLD METALLIZATION
INTERNAL INPUT MATCHING
COMMON EMITTER CONFIGURATION
DESCRIPTION:
The MS1279 is a gold metallized epitaxial silicon NPN planar
transistor using diffused emitter ballast resistors for high
linearity Class AB operation in VHF and Band III television
transmitters and transposers.
ABSOLUTE MAXIMUM RATINGS
(Tcase = 25° C)
°
Symbol
V
CEO
V
CES
V
EBO
I
C
P
DISS
T
J
T
STG
Parameter
Collector-Emitter Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
Value
35
60
4.0
8.0
140
+200
-65 to +150
Unit
V
V
V
A
W
°
C
°
C
Thermal Data
R
TH(J-C)
Thermal Resistance Junction-case
1.5
°
C/W
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
MS1279
ELECTRICAL SPECIFICATIONS (Tcase = 25° C)
25
°
Symbol
BV
CBO
BV
CER
BV
CEO
BV
EBO
I
CES
HFE
I
C
= 50mA
I
C
= 50mA
I
C
= 50mA
I
E
= 10mA
V
CE
= 50V
V
CE
= 5V
STATIC
Test Conditions
I
E
= 0mA
R
BE
= 10Ω
Ω
I
B
= 0mA
I
C
= 0mA
I
E
= 0mA
I
C
= 1A
Value
Min.
65
60
35
4.0
---
20
Typ.
---
---
---
---
---
---
Max.
---
---
---
---
5
120
Unit
V
V
V
V
mA
---
DYNAMIC
Symbol
P
OUT
G
P
IMD
3
C
OB
f = 225 MHz
f = 225 MHz
P
OUT
= 14W
f =1 MHz
Test Conditions
V
CE
= 25 W
V
CE
= 25 W
V
CE
= 25 W
V
CB
= 30 V
I
C
= 2.5 mA
I
C
= 2.5 mA
I
C
= 2.5 mA
Value
Min.
20
8.0
---
---
Typ.
---
---
-55
---
Max.
---
---
---
85
Unit
W
dB
dBc
pF
Note: * dB compression
IMPEDANCE DATA
FREQ
150 MHz
250 MHz
V
CE
= 28V
I
C
= 2.5A
P
OUT
= 20W
Z
IN
(
Ω)
1.0 + j1.0
1.0 + j2.0
Z
CL
(
Ω)
9.0 + j5.0
6.0 + j6.0
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
MS1279
TYPICAL PERFORMANCE
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
MS1279
PACKAGE MECHANICAL DATA
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at
WWW.ADVANCEDPOWER.COM
or contact our factory direct.
