BLW81 Datasheet, PDF (3/11 Pages) NXP Semiconductors – UHF power transistor

Philips Semiconductors
UHF power transistor
RATINGS
Limiting values in accordance with the Absolute Maximum System (IEC 134)
Collector-emitter voltage (V_BE = 0)
peak value
Collector-emitter voltage (open base)
Emitter-base voltage (open collector)
Collector current (d.c. or average)
Collector current (peak value); f > 1 MHz
R.F. power dissipation (f > 1 MHz); T_mb = 25 °C
Storage temperature
Operating junction temperature
V_CESM
V_CEO
V_EBO
I_C
I_CM
P_tot
T_stg
T_j
Product specification
BLW81
max
36 V
max
17 V
max
4V
max 2,5 A
max 7,5 A
max
40 W
−65 to +150 °C
max 200 °C
handbook,¹h⁰alfpage
IC
(A)
MGP573
Tmb = 25 °C
Th = 70 °C
1
1
10
VCE (V)
10²
handbook,⁵h⁰alfpage
Prf
(W)
MGP574
r.f. power dissipation
VCE ≤ 16.5 V
f > 1 MHz
40
short time operation
during
mismatch
30
derate by
0.204 W/K
continuous operation
20
10
0
0
50
Th (°C)
100
Fig.2
THERMAL RESISTANCE
From junction to mounting base
From mounting base to heatsink
Fig.3
R_{th j-mb}
R_{th mb-h}
=
4,3 K/W
=
0,6 K/W
March 1993
3