BD679A STMicroelectronics, BD679A Datasheet - Page 2

• Manufacturer Part Number: BD679A
• Description: TRANSISTOR DARL NPN SOT-32
• Manufacturer: STMicroelectronics

Specifications of BD679A

• Transistor Type: NPN - Darlington
• Current - Collector (ic) (max): 4A
• Voltage - Collector Emitter Breakdown (max): 80V
• Vce Saturation (max) @ Ib, Ic: 2.8V @ 40mA, 2A
• Current - Collector Cutoff (max): 500µA
• Dc Current Gain (hfe) (min) @ Ic, Vce: 750 @ 2A, 3V
• Power - Max: 40W
• Mounting Type: Through Hole
• Package / Case: TO-126-3
• Configuration: Single
• Transistor Polarity: NPN
• Mounting Style: SMD/SMT
• Collector- Emitter Voltage Vceo Max: 80 V
• Emitter- Base Voltage Vebo: 5 V
• Collector- Base Voltage Vcbo: 80 V
• Maximum Dc Collector Current: 4 A
• Maximum Collector Cut-off Current: 200 uA
• Power Dissipation: 40 W
• Maximum Operating Temperature: + 150 C
• Continuous Collector Current: 4 A
• Dc Collector/base Gain Hfe Min: 750
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Transition: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-7175-5; BD679A

Contents
Contents
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2
3
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2/12
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1
2.2
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Typical characteristic (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
BD6xxx