121NQ...(R) Series
Bulletin PD-2.249 rev. C 05/02
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
121NQ035
35
121NQ040
40
121NQ045
45
121NQ050
50
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
* See Fig. 5
I
FSM
E
AS
I
AR
Max. Peak One Cycle Non-Repetitive
Surge Current * See Fig. 7
Non-Repetitive Avalanche Energy
Repetitive Avalanche Current
121NQ Units
120
19,800
2200
81
12
A
Conditions
50% duty cycle @ T
C
= 133° C, rectangular wave form
5µs Sine or 3µs Rect. pulse
10ms Sine or 6ms Rect. pulse
Following any rated
load condition and
with rated V
RRM
applied
A
mJ
A
T
J
= 25 °C, I
AS
= 12 Amps, L = 1.12 mH
Current decaying linearly to zero in 1 µsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
* See Fig. 1
(1)
121NQ Units
0.65
0.83
0.56
0.70
V
V
V
V
mA
mA
pF
nH
V/ µs
@ 120A
@ 240A
@ 120A
@ 240A
T
J
= 25 °C
T
J
= 125 °C
Conditions
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
I
RM
C
T
L
S
Max. Reverse Leakage Current (1)
* See Fig. 2
Max. Junction Capacitance
Typical Series Inductance
10
90
5200
7.0
10000
V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25 °C
From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change
(Rated V
R
)
(1) Pulse Width < 300µs, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max. Junction Temperature Range
Max. Storage Temperature Range
121NQ Units
-55 to 175
-55 to 175
0.40
0.15
°C
°C
°C/W
°C/W
DC operation
Conditions
R
thJC
Max. Thermal Resistance Junction
to Case
R
thCS
Typical Thermal Resistance, Case to
Heatsink
wt
T
Approximate Weight
Mounting Torque
Terminal Torque
Case Style
Min.
Max.
Min.
Max.
* See Fig. 4
Mounting surface , smooth and greased
25.6 (0.9) g (oz.)
40 (35)
58 (50)
58 (50)
86 (75)
HALF PAK Module
Non-lubricated threads
Kg-cm
(Ibf-in)
2
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