/ I T SCS-THOMSON
^ 7 # BU 325
HIGH VOLTAGE SWITCH
DESCRIPTION
The BU325 is a silicon planar epitaxial NPN tran
sistor in Jedec TO-126 plastic case. It is intended for high voltage, high current linear and switching applications.
ABSOLUTE MAXIMUM RATINGS
S y m b o l P a r a m e te r V a lu e U n it
V cB O C olle cto r-b a se V o lta g e ( Ie= 0) 200 V
V cE O C o lle cto r-e m itte r V o lta g e ( Ib= 0 ) 200 V
oCOUi>
E m itte r-ba se V o lta g e (lc = 0)
5
Vlc C olle cto r C u rre n t
3
AIb B ase C u rre n t 1 A
P
tot
T o ta l Pow er D issipation a t T amb S 2 5 °C 1.25 WTcase - 25 °C
25 WT
stg
S to ra g e T e m p e ra tu re - 6 5 to 150 °CTi
Ju nctio n T e m p e ra tu re 150 °CD ecem ber 1988 1/4
BU325
THERMAL DATA
R t h j - c a s e T h e rm a l R esistance Junctio n -case Max 5 °C /W
R f h j - a m b T h e rm a l R esistance Ju nction-am b. Max 100 °C /W
ELECTRICAL CHARACTERISTICS (Tcase = 25 °C unless otherwise specified)
S y m b o l P a r a m e te r T e s t C o n d it io n s M in . T y p . M a x . U n it
I c B O C olle cto r C u to ff C urre n t
( Ie = 0 ) V CB = 2 0 0 V 100 pA
VcBO C olle cto r-b a se B reakdow n
V o ltage ( Ie = 0) l c = 100 pA 200 V
VcEO(sus)* C o lle cto r-e m itte r Sustaining
V oltage ( Ib= 0) lc = 10 mA 200 V
Ve b o* E m itte r-ba se V oltage (lc = 0) Ie= 1 rnA 5 V
V c E ( s a t ) * C o lle cto r-e m itte r Saturation l c = 150 mA l B = 15 mA 0.06 1.0 V
V oltage lc = 5 0 0 mA Ib = 50 mA 0.10 1.5 V
VBE(sat)* B a se -e m itte r S atu ra tio n l c = 150 mA l B = 15 mA 0.73 1.0 V
V oltage lc = 5 00 mA Ib= 50 mA 0.80 1.2 V
hFE* DC C u rre n t Gain lc = 5 0 mA V CE = 5 V 30 2 00
l c = 150 mA V CE = 5 V 30 2 00
lc = 5 0 0 mA V CE = 5 V 30 2 0 0
f T T ra n sitio n F re q ue n cy lc = 5 00 mA V CE = 5 V 40 MHz
C c B O C olle cto r-b ase C ap a citan ce l E = 0
f = 1 MHz Vcb = 10 V 50 pF
t o n T u rn -o n T im e lc = 0.5 A
V c c = 20 V IB1 = 50 mA 0.3 ps
t o f f T u rn -o ff Tim e lc = 0.5 A
Ib 1 = — I B 2 = 5 0 mA
V c c =20 V
1 ps
Pulsed : pulse duration = 300 ps, duty cycle = 1.5 %.
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{ Z T SGS-THOMSON
^ 7 # W M LiOTOM lOigl;
BU325
Safe Operating Area.
G-3979
Collector-emitter Saturation Voltage.
DC Current Gain.
SGS-THOMSON
MCMMLICniMIM3/4
BU325
Base-emitter Saturation Voltage. Transition Frequency.
Collector-emitter Saturation Voltage.
i * • • > * * •
10’ 1 1c (A)
0 50 no 150 CCJ
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