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BD234 Datasheet(PDF) 3 Page - ON Semiconductor

Part # BD234
Description  Plastic Medium Power Bipolar Transistors
PDF  4 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

BD234 Datasheet(HTML) 3 Page - ON Semiconductor

  BD234 Datasheet HTML 1Page - ON Semiconductor BD234 Datasheet HTML 2Page - ON Semiconductor BD234 Datasheet HTML 3Page - ON Semiconductor BD234 Datasheet HTML 4Page - ON Semiconductor  
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BD237 (NPN), BD234 (PNP), BD238 (PNP)
http://onsemi.com
3
1000
Figure 3. Current Gain
IC, COLLECTOR CURRENT (mA)
10
100
TJ = + 150°C
TJ = − 55°C
VCE = 2.0 V
700
500
300
200
70
50
30
20
TJ = + 25°C
3.0 5.0
10
20 30
50
2000
2.0
100
200
1000
300 500
Figure 4. “On” Voltages
0
1.5
3.0 5.0
10
20 30
50
2000
2.0
100
200
1000
300 500
1.2
0.9
0.6
0.3
IC, COLLECTOR CURRENT (mA)
TJ = 25°C
VBE(sat) @ IC/IB = 10
VCE(sat) @ IC/IB = 10
VBE @ VCE = 2.0 V
Figure 5. Thermal Response
t, TIME or PULSE WIDTH (ms)
1.0
0.01
0.01
0.7
0.5
0.3
0.2
0.1
0.07
0.05
0.03
0.02
0.02 0.03
0.05
0.1
0.2 0.3
0.5
1.0
2.0 3.0
5.0
10
20
30
50
100
200 300
1000
500
qJC(t) = r(t) qJC
qJC = 4.16°C/W MAX
qJC = 3.5°C/W TYP
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) − TC = P(pk) qJC(t)
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
D = 0.5
SINGLE PULSE
D = 0.2
D = 0.1
D = 0.05
D = 0.01



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