ZTX857 Diodes Inc, ZTX857 Datasheet - Page 2

• Manufacturer Part Number: ZTX857
• Description: HIGH CURRENT TRANSISTOR, NPN, 300V
• Manufacturer: Diodes Inc

Specifications of ZTX857

• Transistor Polarity: NPN
• Collector Emitter Voltage V(br)ceo: 300V
• Transition Frequency Typ Ft: 80MHz
• Power Dissipation Pd: 1.2W
• Dc Collector Current: 3A
• Dc Current Gain Hfe: 200
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.0
3.0
2.0
1.0
-40
-20
0
20 40 60 80 100 120
T -Temperature (°C)
Derating curve
140
160
180
200
100
150
50
Maximum transient thermal impedance
0
0.0001
t
1
0.001
D=0.6
D=0.2
D=0.1
D=0.05
Single Pulse
D.C.
t
P
D=t
Pulse Width (seconds)
1
/t
P
0.01
0.1
1
10
100