Microsemi Corporation MS1078 Datasheet
RF PRODUCTS DIVISION
DESCRIPTION
DESCRIPTION
DESCRIPTIONDESCRIPTION
RF & MICROWAVE TRANSISTORS
The MS1078 is a Class AB epitaxial silicon NPN planar transistor
designed primarily for SSB and communications. This device utilizes
emitter ballasting to achieve extreme ruggedness under severe
operating conditions.
IMPORTANT:
For the most current data, consult
MICROSEMI
’s website:
http://www.microsemi.com
S
ymbol Parameter Value Unit
V
V
V
P
T
CBO
CEO
EBO
I
C
DISS
T
STG
ABSOLUTE MAXIMUM RATINGS (T
Collector-Base Voltage 70 V
Collector-Emitter Voltage 35 V
Emitter-Base Voltage 4.0 V
J
Device Current 12 A
Power Dissipation 175 W
Junction Temperature +200
Storage Temperature -65 to +150
CASE
= 25°°°°
C)
WWW.
Microsemi
.
COM
P
RODUCT PREVIEW
KEY FEATURES
KEY FEATURES
KEY FEATURES KEY FEATURES
Optimized for SSB
!"
30 MHz
!"
28 Volts
!"
IMD –30dB
!"
Common Emitter
!"
Gold Metallization
!"
P
!"
OUT
GP
!"
APPLICATIONS/BENEFIT
APPLICATIONS/BENEFITSSSS
APPLICATIONS/BENEFITAPPLICATIONS/BENEFIT
HF SSB Applications
!"
MS1078
= 130 W PEP
= 12 dB Gain
°C
°C
R
TH(j-c)
Copyright 2000
MSC1611.PDF 2000-11-06
THERMAL DATA
Junction-Case Thermal Resistance 1.0
°C/W
Microsemi
140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855
RF Products Division
Page 1
M
M
S
S
1
1
0
0
7
7
8
8
Symbol Test Conditions
BV
BV
BV
I
h
CES
FE
CES
CEO
EBO
Symbol Test Conditions
Note:
P
OUT
G
IMD
η
C
OB
f
*
P
C
1
*
= 30.00 MHz,
Copyright 2000
MSC1611.PDF 2000-11-06
RF PRODUCTS DIVISION
STATIC ELECTRICAL SPECIFICATIONS (TCASE = 25°C
RF & MICROWAVE TRANSISTORS
P
RODUCT PREVIEW
Min. Typ. Max.
I
I
I
V
V
=
C
=
C
=
E
CE
CE
50 mA
100 mA
20 mA
=
=
35 V
5 V
DYMANIC ELECTRICAL SPECIFICATIONS (TCASE = 25°C
V
I
I
I
I
B
C
E
C
BE
=
=
=
=
0 V
=
0 mA
0 mA
0 mA
7 A
110 V
55 V
4.0 V
20 mA
18 50
Min. Typ. Max.
f
30 MHz
=
P
OUT
P
OUT
P
OUT
f
1 MHz
=
130 W PEP
=
130 W PEP
=
130 W PEP
=
f
2
= 30.01 MHz
V
28 V
=
CE
V
V
V
V
CE
CE
CE
CB
=
=
=
=
28 V
28 V
28 V
28 V
I
CQ
I
CQ
I
CQ
I
CQ
150 mA
=
150 mA
=
150 mA
=
150 mA
=
130 W
12 dB
-30 dBc
37 %
250 pF
Microsemi
140 Commerce Drive, Montgomeryville PA 18936, (215) 631-9840, Fax: (215) 631-9855
RF Products Division
MS1078
MS1078
MS1078
WWW.
Microsemi
Units
.
COM
Units
E
E
L
L
E
E
C
C
T
T
R
R
I
I
C
C
A
A
L
L
S
S
Page 2
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