BUF420M STMicroelectronics, BUF420M Datasheet - Page 5

• Manufacturer Part Number: BUF420M
• Description: TRANSISTOR NPN SW 450V 30A TO3
• Manufacturer: STMicroelectronics

Specifications of BUF420M

• Transistor Type: NPN
• Current - Collector (ic) (max): 30A
• Voltage - Collector Emitter Breakdown (max): 450V
• Vce Saturation (max) @ Ib, Ic: 500mV @ 4A, 20A
• Power - Max: 275W
• Mounting Type: Chassis Mount
• Package / Case: TO-204, TO-3
• Transistor Polarity: NPN
• Mounting Style: Through Hole
• Collector- Emitter Voltage Vceo Max: 450 V
• Emitter- Base Voltage Vebo: 7 V
• Maximum Dc Collector Current: 30 A
• Power Dissipation: 275 W
• Maximum Operating Temperature: + 200 C
• Continuous Collector Current: 30 A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Collector Cutoff (max): -
• Frequency - Transition: -
• Dc Current Gain (hfe) (min) @ Ic, Vce: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-4086-5

Storage Time Versus Pulse Time.
Figure 1: Inductive Load Switching Test Circuit.
1) Fast electronic switch
2) Non-inductive Resistor
3) Fast recovery rectifier
BUF420M
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