PHILIPS MX0912B351Y114

DISCRETE SEMICONDUCTORS
DATA SHEET
MX0912B351Y
NPN microwave power transistor
Product specification
Supersedes data of November 1994
1997 Feb 19
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
FEATURES
PINNING - SOT439A
• Interdigitated structure; high emitter efficiency
PIN
DESCRIPTION
• Diffused emitter ballasting resistors providing excellent
current sharing and withstanding a high VSWR
1
collector
• Gold metallization realizes very stable characteristics
and excellent lifetime
2
emitter
3
base connected to flange
• Multicell geometry gives good balance of dissipated
power and low thermal resistance
• Input and output matching cell allows an easier design
of circuits.
1
olumns
c
APPLICATIONS
b
Intended for use in common base class C broadband
pulse power amplifier from 960 to 1215 MHz for TACAN
application.
3
3
e
2
MAM045
Top view
DESCRIPTION
NPN silicon planar epitaxial microwave power transistor in
a SOT439A metal ceramic flange package, with base
connected to flange. It is mounted in common base
configuration and specified in class C.
Fig.1 Simplified outline and symbol.
QUICK REFERENCE DATA
Microwave performance up to Tmb = 25 °C in a common base class C broadband amplifier.
MODE OF
OPERATION
f
(GHz)
VCC
(V)
PL
(W)
Gpo
(dB)
ηC
(%)
Class C
tp = 10 µs; δ = 10%
0.960 to 1.215
50
>325
>7
>40
Zi/ZL
(Ω)
see Figs 7 and 8
WARNING
Product and environmental safety - toxic materials
This product contains beryllium oxide. The product is entirely safe provided that the BeO slab is not damaged.
All persons who handle, use or dispose of this product should be aware of its nature and of the necessary safety
precautions. After use, dispose of as chemical or special waste according to the regulations applying at the location of
the user. It must never be thrown out with the general or domestic waste.
1997 Feb 19
2
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VCBO
collector-base voltage
open emitter
−
65
V
VCES
collector-emitter voltage
RBE = 0 Ω
−
60
V
VCEO
collector-emitter voltage
open base
−
20
V
VEBO
emitter-base voltage
open collector
−
3
V
IC
collector current
tp ≤ 10 µs; δ ≤ 10%
−
21
A
Ptot
total power dissipation
(peak power)
Tmb = 75 °C; tp ≤ 10 µs; δ ≤ 10%
−
960
W
Tstg
storage temperature
−65
+200
°C
Tj
operating junction temperature
−
200
°C
Tsld
soldering temperature
−
235
°C
t ≤ 10 s; note 1
Note
1. Up to 0.2 mm from ceramic.
MGL054
1000
handbook, halfpage
Ptot
(W)
800
600
400
200
0
−50
0
100
Tmb (°C)
200
tp = 10 µs; δ = 10%; Ptot max = 960 W.
Fig.2
Maximum power dissipation derating as a
function of mounting base temperature.
1997 Feb 19
3
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
THERMAL CHARACTERISTICS
Tj = 125 °C unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
Rth j-mb
thermal resistance from junction to mounting base CW
Rth mb-h
thermal resistance from mounting base to heatsink CW; note 1
Zth j-h
thermal impedance from junction to heatsink
MAX.
UNIT
1.7
K/W
0.2
K/W
0.13
K/W
MAX.
UNIT
tp = 10 µs; δ = 10%
notes 1 and 2
Notes
1. See “Mounting recommendations in the General part of handbook SC19a”.
2. Equivalent thermal impedance under nominal pulse microwave operating conditions.
CHARACTERISTICS
Tmb = 25 °C unless otherwise specified.
SYMBOL
ICBO
PARAMETER
CONDITIONS
collector cut-off current
VCB = 65 V; IE = 0
140
mA
VCB = 50 V; IE = 0
14
mA
ICES
collector cut-off current
VCE = 60 V; RBE = 0 Ω
140
mA
IEBO
emitter cut-off current
VEB = 1.5 V; IC = 0
1.4
mA
APPLICATION INFORMATION
Microwave performance up to Tmb = 25 °C measured in the test circuit as shown in Fig.6 and working in class C
broadband in pulse mode; note 1.
MODE OF OPERATION
Class C;
tp = 10 µs; δ = 10%
tp = 300 µs; δ = 10%;
see Fig.5
f
(GHz)
VCC
(V)(2)
PL
(W)
Gpo
(dB)
ηC
(%)
0.960 to 1.215
50
>325
typ. 375
>7
typ. 7.6
>40
typ. 47
1.03 to 1.09
50
typ. 350
typ. 8
typ. 48
Zi/ZL
(Ω)
see Figs 7 and 8
Notes
1. Operating conditions and performance for other pulse formats can be made available on request.
2. VCC during pulse.
1997 Feb 19
4
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
MGL056
450
MGL055
50
handbook, halfpage
handbook, halfpage
PL
(W)
ηC
(%)
400
45
350
0.95
1.05
1.15
f (GHz)
40
0.95
1.25
1.05
1.15
f (GHz)
1.25
VCC = 50 V; tp = 10 µs; δ = 10%.
Fig.4
Fig.3
Load power as a function of frequency.
(In broadband test circuit as shown in Fig.6)
1997 Feb 19
5
Collector efficiency as a function of
frequency. (In broadband test circuit as
shown in Fig.6)
Philips Semiconductors
Product specification
NPN microwave power transistor
handbook, full pagewidth
1 µs
MX0912B351Y
1 µs
300 µs
3 ms
MGK066
Fig.5 Pulse definition.
List of components
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS
CATALOGUE NO.
L1
0.65 mm diameter copper wire
−
total length = 12 mm;
height of loop = 9 mm
−
L2
4 turns 0.65 mm diameter
copper wire
−
int. diameter. 3 mm;
L = 5 mm
−
C1
DC block
100 pF
C2
tantalum capacitor
10 µF; 50 V
C3
electrolytic capacitor
470 µF; 63 V
C4
feedthrough bypass capacitor
C5, C6
variable gigatrim capacitor
1997 Feb 19
ATC, ref. 100A101KP50X
Erie, ref. 1250-003
0.8 to 8 pF
6
Tekelec, ref. 729.1
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
30
handbook, full pagewidth
15
30
2
5
3
1.5
5
5.5
5
3.5
7.5
2.5
3.5 1
40
40
0.635
0.7
4.5
7
5
3.2
11
21.5
24
MLC085
handbook, full pagewidth
C3
VCC
C2
L1
L2
C5
C1
C6
MLC086
Dimensions in mm.
Substrate: Epsilam 10.
Thickness: 0.635 mm.
Permittivity: εr = 10.
Fig.6 Broadband test circuit.
1997 Feb 19
7
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
1
handbook, full pagewidth
0.5
0.2
2
0.960 GHz
5
1.215 GHz
10
+j
0
0.2
0.5
1
2
5
∞
10
−j
10
5
0.2
2
0.5
MGL057
1
VCC = 50 V; Zo = 5 Ω; PL = 325 W.
Fig.7 Input impedance as a function of frequency associated with optimum load impedance.
1
handbook, full pagewidth
0.5
2
0.2
5
10
+j
0
0.2
0.5
1
2
5
∞
10
−j
10
1.215 GHz
0.2
5
0.960 GHz
2
0.5
1
MGL058
VCC = 50 V; Zo = 5 Ω; PL = 325 W.
Fig.8 Optimum load impedance as a function of frequency associated with input impedance.
1997 Feb 19
8
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
PACKAGE OUTLINE
12.85 max
handbook, full pagewidth
0.15 max
6
max
3.3
2.9
1.6 max
3
23 max
seating plane
3.7
max
2.7
min
1
9.85
max
3.3
2.7
min
2
MBC881
8.25
16.5
Dimensions in mm.
Torque on screws: max. 0.4 Nm.
Recommended screw: M3.
Recommended pitch for mounting screws: 19 mm.
Fig.9 SOT439A.
1997 Feb 19
9
10.3
10.0
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
DEFINITIONS
Data sheet status
Objective specification
This data sheet contains target or goal specifications for product development.
Preliminary specification
This data sheet contains preliminary data; supplementary data may be published later.
Product specification
This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
1997 Feb 19
10
Philips Semiconductors
Product specification
NPN microwave power transistor
MX0912B351Y
NOTES
1997 Feb 19
11
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© Philips Electronics N.V. 1997
SCA53
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Printed in The Netherlands
127147/00/02/pp12
Date of release: 1997 Feb 19
Document order number:
9397 750 01694