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C1888CT , Off-line Power Supply Controller
C1892 , 5X7 mm SMD, 1.8V, LVCMOS Clock Oscillator
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C1921 , Channel Photomultipliers
C1942 , Channel Photomultipliers
BU941-BU941P
Silicon NPN Power Transistors TO-3 package
BU941/BU941P
BU941PFIHIGH VOLTAGE IGNITION COIL DRIVER
NPN POWER DARLINGTON NPN DARLINGTON INTEGRATED ANTIPARALLEL
COLLECTOR-EMITTER DIODE VERY RUGGED BIPOLAR TECHNOLOGY HIGH OPERATING JUNCTION
TEMPERATURE WIDE RANGE OF PACKAGES
APPLICATIONS HIGH RUGGEDNESS ELECTRONIC
IGNITIONS
December 1999
ABSOLUTE MAXIMUM RATINGS1/8
THERMAL DATA
ELECTRICAL CHARACTERISTICS (Tcase = 25 o C unless otherwise specified)
∗ Pulsed: Pulse duration = 300 μs, duty cycle 1.5 %
Safe Operating Area DC Current Gain
BU941 / BU941P / BUB941PFI2/8
DC Current Gain
Collector-emitter Saturation Voltage
Switching Time Inductive Load (see fig.3)
Collector-emitter Saturation Voltage
Base-emitter Saturation Voltage
BU941 / BU941P / BUB941PFI3/8
FIGURE 1: Functional Test Circuit FIGURE 2: Functional Test Waveforms
FIGURE 3: Switching Time Test Circuit FIGURE 4: Sustaining Voltage Test Circuit
BU941 / BU941P / BUB941PFI4/8
BU941 / BU941P / BUB941PFI5/8
BU941 / BU941P / BUB941PFI6/8
