NRVBD1035CTL
http://onsemi.com
4
Figure 5. Current Derating Per Leg Figure 6. Forward Power Dissipation Per Leg
Figure 7. Capacitance Per Leg
20 40 80 100 140120
0
0
TL, LEAD TEMPERATURE (°C)
8.0
7.0
5.0
6.0
4.0
VR, DC REVERSE VOLTAGE (VOLTS)
510152025
0
105
85
75
65
10
0
VR, REVERSE VOLTAGE (VOLTS)
100
I
O
, AVERAGE FORWARD CURRENT (AMPS)
C, CAPACITANCE (pF)
3.0
2.0
1.0
60
30 35
95
115
125
510152025
T
J
, DERATED OPERATING TEMPERATURE ( C)
1000
TJ
= 25
°C
freq = 20 kHz
Ipk/Io
=
Ipk/Io
= 20
dc
SQUARE WAVE
(50% DUTY CYCLE)
IO, AVERAGE FORWARD CURRENT (AMPS)
1.0
0
0
4.0
3.0
2.0
1.0
2.0
P
FO
, AVERAGE POWER DISSIPATION (WATTS)
3.0 4.0 5.0 6.0 7.0 8.0
3.5
2.5
1.5
0.5
Ipk/Io
= 20
SQUARE WAVE
(50% DUTY CYCLE)
dc
Figure 8. Typical Operating Temperature
Derating Per Leg *
Ipk/Io
= 10
Ipk/Io
= 5
Ipk/Io
= 10
Ipk/Io
= 5
Ipk/Io
=
°
RJA
= 84
°C/W
RJA
= 67.5
°C/W
RJA
= 48
°C/W
RJA
= 25
°C/W
RJA
= 2.43
°C/W
* Reverse power dissipation and the possibility of thermal runaway must be considered when operating this device under any re-
verse voltage conditions. Calculations of TJ
therefore must include forward and reverse power effects. The allowable operating
TJ
may be calculated from the equation: T
J
= T
Jmax
?
r(t)(Pf + Pr) where
r(t) = thermal impedance under given conditions,
Pf = forward power dissipation, and
Pr = reverse power dissipation
This graph displays the derated allowable TJ
due to reverse bias under DC conditions only and is calculated as T
J
= T
Jmax
?
r(t)Pr,
where r(t) = Rthja. For other power applications further calculations must be performed.
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