BUX348
BUX348 is FAST-SWITCHING POWER TRANSISTOR manufactured by STMicroelectronics.
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FAST-SWITCHING POWER TRANSISTOR s s s s s
STMicroelectronics PREFERRED SALESTYPE NPN TRANSISTOR HIGH VOLTAGE FAST SWITCHING OFF-LINE APPLICATIONS TO 380V
APPLICATIONS SWITCH MODE POWER SUPPLIES s UNINTERRUPTABLE POWER SUPPLY s DC AND AC MOTOR CONTROL s
1 2
TO-3 (version "S")
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol V CEV V CEO V EBO IC I CM IB I BM P tot T stg Tj Parameter Collector-Emitter Voltage (V BE = -1.5 V) Collector-Emitter Voltage (I B = 0) Emitter-Base Voltage (I C = 0) Collector Current Collector Peak Current Base Current Base Peak Current (t p < 5 ms) Total Power Dissipation at T case ≤ 25 C o
Value 850 450 7 45 60 9 15 300 -65 to 200 200
Unit V V V A A A A W o o
Storage Temperature Junction Temperature
March 2003
1/4
THERMAL DATA
R thj-case Thermal Resistance Junction-case Max 0.58 o
C/W
ELECTRICAL CHARACTERISTICS (Tcase = 25 o C unless otherwise specified)
Symbol I CER I CEV Parameter Collector Cut-off Current (R BE = 10 Ω ) Collector Cut-off Current (V BE = -1.5V) Emitter Cut-off Current (I C = 0) Test Conditions V CE = V CEV V CE = V CEV V CE = V CEV V CE = V CEV V EB = 5 V I C = 0.2 A L = 25 m H 450 T c = 100 o C T c = 100 o C Min. Typ. Max. 0.4 2 0.4 2 2 Unit m A m A m A m A m A V
I EBO
V CEO(sus) ∗ Collector-Emitter Sustaining Voltage (I B = 0) V EBO V CE(sat) ∗ V BE(sat) ∗ di C /dt V CE(3 µ s) ∗ V CE(5 µ s) ∗ Emitter-Base Voltage (I C = 0) Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage Rated of Rise on-state Collector Current Collector-Emitter Dynamic Voltage Collector-Emitter Dynamic Voltage
I E = 100 m A I C = 30 A I C = 30 A I C = 30 A I C = 30 A IB = 6 A IB = 6 A IB = 6 A IB = 6 A
7 0.7 1.35 1.12 1.1 125 250 4.4 2.3 8 4 0.9 2 1.5 1.5
V V V V V A/ µ s V V
T j = 100 o C T j = 100 o C
V CC = 300V I B1 = 9 A RC = 0 T j = 100 o C tp = 3µs V CC = 300V R C = 10 Ω V CC = 300V R C = 10 Ω I B1 = 9 A T j = 100 o C I B1 = 9 A T j = 100 o C
INDUCTIVE LOAD
Symbol ts tf tc V CEW...