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1N4148 Datasheet

Small Signal Diode

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1N4148 pdf
Typical Performance Characteristics
160
Ta=25 oC
150
140
130
120
110
1
23
5
10
20 30 50
Reverse Current, IR [uA]
100
Figure 1. Reverse Voltage vs. Reverse Current
BV - 1.0 to 100 μA
550
Ta= 25 oC
500
450
400
350
300
250
1
23
5
10 20 30 50
Forward Current, IF [uA]
100
Figure 3. Forward Voltage vs. Forward Current
VF - 1 to 100 μA
120
Ta= 25 oC
100
80
60
40
20
0
10
20 30
50 70
Reverse Voltage, VR [V]
GENERAL RULE: The Reverse Current of a diode will approximately
double for every ten (10) Degree C increase in Temperature
100
Figure 2. Reverse Current vs. Reverse Voltage
IR - 10 to 100 V
750
Ta= 25 oC
700
650
600
550
500
450
0.1
0.2 0.3 0.5
1
23
Forward Current, IF [mA]
5
10
Figure 4. Forward Voltage vs. Forward Current
VF - 0.1 to 10 mA
1.6
Ta= 25 oC
1.4
1.2
1.0
0.8
0.6
10
20 30 50
100 200 300 500 800
Forward Current, IF [mA]
Figure 5. Forward Voltage vs. Forward Current
VF - 10 to 800 mA
900
Typical
800
700
600
Ta= -40 oC
Ta= 25 oC
500 Ta= +65 oC
400
300
0.01 0.03 0.1 0.3 1 3 10
Forward Current, IF [mA]
Figure 6. Forward Voltage vs. Ambient Temperature
VF - 0.01 - 20 mA (- 40 to +65°C)
© 2002 Fairchild Semiconductor Corporation
1N/FDLL 914/A/B / 916/A/B / 4148 / 4448 Rev. 2.8
3
www.fairchildsemi.com
Fairchild Semiconductor
Fairchild Semiconductor


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