DISCRETE SEMICONDUCTORS
DATA SH EET
BLV2042
UHF power transistor
Product specification
Supersedes data of 1996 Feb 09
1997 Jul 11
Philips Semiconductors Product specification
UHF power transistor BLV2042
FEATURES
• Emitter ballasting resistors for optimum
temperature profile
• Gold metallization ensures excellent reliability
• Internal input matching to achieve high power gain and
easy design of wideband circuits.
APPLICATIONS
• Common emitter class-AB operation in base stations in
the 1800 to 1990 MHz frequency range.
DESCRIPTION
NPN silicon planar epitaxial power transistor in an 8-lead
SOT409B SMD package with ceramic cap.
All leads are isolated from the mounting base.
QUICK REFERENCE DATA
RF performance at T
MODE OF OPERATION
=25°C in a common emitter test circuit.
mb
f
(MHz)
CW, class-AB 1950 26 4 ≥ 11 ≥ 40 −
CW, class-AB 1990 26 4 ≥ 11 ≥ 40 −
2-tone, class-AB f
= 1950; f2= 1950.1 26 4 (PEP) typ. 14 typ. 35 typ. − 30
1
PINNING - SOT409B
PIN DESCRIPTION
1, 4, 5, 8 emitter
2, 3 base
6, 7 collector
handbook, halfpage
85
14
Top view
Fig.1 Simplified outline and symbol.
V
(V)
CE
P
(W)
L
G
(dB)
c
b
MSA467
p
η
C
(%)
e
d
im
(dBc)
1997 Jul 11 2
Philips Semiconductors Product specification
UHF power transistor BLV2042
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
CBO
V
CEO
V
EBO
I
C
I
C(AV)
P
tot
T
stg
T
j
Note
1. Transistor with metallized ground plane mounted on a printed-circuit board, see
recommendations in the General part of handbook SC19a”
collector-base voltage open emitter − 60 V
collector-emitter voltage open base − 28 V
emitter-base voltage open collector − 4V
collector current (DC) − 1.2 A
collector current (average) − 1.2 A
total power dissipation Tmb=25°C; note 1 − 17 W
storage temperature − 65 +150 ° C
operating junction temperature − 200 ° C
“Mounting and soldering
.
10
handbook, halfpage
I
C
(A)
1
− 1
10
11 01 0
(1) Ts=60°C.
Fig.2 DC SOAR.
MGD934
(1)
V
(V)
CE
2
16
handbook, halfpage
P
tot
(W)
12
8
4
0
0 40 200
80 120 160
MGD935
Ts (° C)
Fig.3 Total power dissipation as a function of the
soldering point temperature.
1997 Jul 11 3
Philips Semiconductors Product specification
UHF power transistor BLV2042
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS VALUE UNIT
R
th j-mb
Note
1. Transistor with metallized ground plane mounted on a printed-circuit board, see
recommendations in the General part of handbook SC19a”
CHARACTERISTICS
T
=25°C unless otherwise specified.
j
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CES
h
FE
C
c
C
re
thermal resistance from junction to
P
= 17 W; Tmb=25°C; note 1 10 K/W
tot
mounting base
“Mounting and soldering
.
collector-base breakdown voltage open emitter; IC= 5 mA 60 −−V
collector-emitter breakdown voltage open base; IC=10mA 28 −−V
emitter-base breakdown voltage open collector; IE= 0.5 mA 4 −−V
collector leakage current VCE= 26 V; VBE=0 −− 1.3 mA
DC current gain VCE= 26 V; IC= 600 mA 30 − 120
collector capacitance VCB= 26 V; IE=ie= 0; f = 1 MHz − 6 − pF
feedback capacitance VCE= 26 V; IC= 0; f = 1 MHz − 2.5 − pF
120
handbook, halfpage
h
FE
80
40
0
0
(1) VCE= 26V; tp= 500µ s; δ =<1%.
(2) VCE=10V.
0.4 0.8 1.6 1.2
(1)
(2)
Fig.4 DC current gain as a function of collector
current; typical values.
MGD936
IC (A)
50
handbook, halfpage
C
(pF)
40
30
20
10
f = 1 MHz.
C
c
C
0
re
05 0
10 20 30 40
Fig.5 Capacitance as a function of
collector-emitter voltage; typical values.
MGD947
VCE (V)
1997 Jul 11 4
Philips Semiconductors Product specification
UHF power transistor BLV2042
APPLICATION INFORMATION
RF performance at T
=25°C in a common emitter test circuit.
mb
MODE OF OPERATION
f
(MHz)
CW, class-AB 1950 26 15 4
V
(V)
CE
I
CQ
(mA)
P
(W)
L
G
p
(dB)
≥ 11 ≥ 40
typ. 13 typ. 45
η
(%)
C
d
im
(dBc)
−
CW, class-AB 1990 26 15 4 ≥ 11 ≥ 40 −
2-tone, class-AB f1= 1950; f2= 1950.1 26 15 4 (PEP) typ. 14 typ. 35 typ. − 30
Ruggedness in class-AB operation
The BLV2042 is capable of withstanding a load mismatch corresponding to VSWR = 20 : 1 through all phases under the
following conditions: f = 1950 MHz; V
16
handbook, halfpage
G
(dB)
12
p
8
G
p
η
C
= 26 V; ICQ= 15 mA; PL= 4 W; Tmb=25°C.
CE
MGD948
80
η
(%)
60
40
handbook, halfpage
C
P
(W)
6
L
4
MGD949
4
0
01 5
CW, class-AB; VCE= 26 V; ICQ= 15 mA; f = 1950 MHz; Tmb=25°C.
23 4
20
0
PL (W)
Fig.6 Power gain and collector efficiency as
functions of load power; typical values.
2
0
0
CW, class-AB; VCE= 26 V; ICQ= 15 mA; f = 1950 MHz; Tmb=25°C.
0.1 0.2 0.3
PD (W)
Fig.7 Load power as a function of drive power;
typical values.
1997 Jul 11 5