121NQ [INFINEON]
SCHOTTKY RECTIFIER; 肖特基整流器器
Infineon 
Bulletin PD-2.249 rev. C 05/02
121NQ...(R) SERIES
SCHOTTKY RECTIFIER
120 Amp
D-67
Major Ratings and Characteristics
Description/Features
The 121NQ... (R) high current Schottky rectifier module
series has been optimized for low reverse leakage at high
temperature. The proprietary barrier technology allows for
reliable operation up to 175° C junction temperature. Typical
applications are in switching power supplies, converters,
free-wheeling diodes, and reverse battery protection.
Characteristics
121NQ...(R) Units
I
Rectangular
waveform
120
A
F(AV)
V
I
range
35 to 50
19,800
0.56
V
A
V
175° C T operation
Unique high power, Half-Pak module
Replaces two parallel DO-5's
RRM
J
@tp=5µssine
FSM
Easier to mount and lower profile than DO-5's
V
@120Apk,T =125°C
J
F
J
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
T
range
-55to175
°C
Low forward voltage drop
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
123NQ100
Lug Terminal Anode
Base Cathode
123NQ100R
Lug Terminal Cathode
Base Anode
Outline D-67 HALF PAK Module
Dimensions in millimeters and (inches)
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1
121NQ...(R) Series
Bulletin PD-2.249 rev. C 05/02
Voltage Ratings
Part number
121NQ035 121NQ040 121NQ045 121NQ050
VR
V
Max. DC Reverse Voltage (V)
35
40
45
50
RWM Max. Working Peak Reverse Voltage (V)
Absolute Maximum Ratings
Parameters
121NQ Units
Conditions
50%dutycycle@TC =133°C,rectangularwaveform
IF(AV) Max.AverageForwardCurrent
120
A
*SeeFig.5
Following any rated
load condition and
IFSM Max.PeakOneCycleNon-Repetitive 19,800
5µs Sineor3µsRect.pulse
10msSineor6msRect. pulse
A
SurgeCurrent *SeeFig.7
2200
81
with rated VRRM applied
EAS Non-RepetitiveAvalancheEnergy
mJ
A
TJ=25°C, IAS=12Amps,L=1.12mH
IAR
RepetitiveAvalancheCurrent
12
Currentdecayinglinearlytozeroin1µsec
FrequencylimitedbyTJ max.VA =1.5xVR typical
Electrical Specifications
Parameters
121NQ Units
Conditions
VFM Max. Forward Voltage Drop
* See Fig. 1
(1)
0.65
0.83
0.56
0.70
10
90
5200
7.0
V
V
V
@ 120A
@ 240A
@ 120A
@ 240A
TJ = 25 °C
TJ = 125 °C
TJ = 25 °C
TJ = 125 °C
V
IRM Max. Reverse Leakage Current (1)
* See Fig. 2
mA
mA
pF
nH
V/ µs
V
R = rated VR
CT
LS
Max. Junction Capacitance
Typical Series Inductance
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C
From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change
(Rated VR)
10000
(1) Pulse Width < 300µs, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
121NQ Units
Conditions
TJ
Max.JunctionTemperatureRange
-55to175 °C
-55to175 °C
Tstg Max.StorageTemperatureRange
RthJC Max.ThermalResistanceJunction
toCase
0.40
°C/W DCoperation *SeeFig.4
RthCS TypicalThermalResistance,Caseto
Heatsink
0.15
°C/W Mountingsurface,smoothandgreased
wt
T
ApproximateWeight
MountingTorque
25.6(0.9) g(oz.)
40(35)
Min.
Max.
Min.
Max.
Non-lubricatedthreads
58(50)
58(50) (Ibf-in)
86(75)
Kg-cm
TerminalTorque
CaseStyle
HALF PAK Module
2
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121NQ...(R) Series
Bulletin PD-2.249 rev. C 05/02
1000
100
10
1000
100
10
T =175°C
J
150°C
125°C
100°C
1
75°C
50°C
25°C
.1
.01
.001
0 5 10 15 20 25 30 35 40 45
Reverse Voltage - V (V)
R
T =175°C
J
Fig.2-Typical Values of Reverse Current
Vs. Reverse Voltage
T =125°C
J
10000
T = 25°C
J
T = 25°C
J
1000
1
0
10
20
30
Reverse Voltage - V (V)
40
50
0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1 1.1 1.2
ForwardVoltage Drop - V (V)
R
FM
Fig.1-Maximum Forward Voltage Drop Characteristics
Fig.3-Typical Junction Capacitance
Vs. Reverse Voltage
1
D=0.50
D=0.33
D=0.25
.1
P
DM
D = 0.17
t
1
D=0.08
t
2
Notes:
1. DutyfactorD= t / t
.01
1 2
2. PeakT =P xZ +T
SinglePulse
(Thermal Resistance)
J DM thJC
C
.001
.00001
.0001
.001
.01
.1
1
t , Rectangular PulseDuration (Seconds)
10
100
1
Fig.4-Maximum Thermal Impedance ZthJC Characteristics
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3
121NQ...(R) Series
Bulletin PD-2.249 rev. C 05/02
180
100
80
60
40
20
0
D = 0.08
D = 0.17
D = 0.25
D = 0.33
D = 0.50
121NQ
R
170
160
150
140
130
120
(DC) = 0.40°C/W
thJC
RMS Limit
DC
DC
0
40 80 120 160 200
AverageForwardCurrent -I (A)
0 20 40 60 80 100 120 140 160 180
Average Forward Current -I (A)
F(AV)
Fig.5-Maximum Allowable Case Temperature
F(AV)
Fig.6-Forward Power Loss Characteristics
Vs. Average Forward Current
100000
At Any Rated Load Condition
And With Rated V Applied
RRM
Following Surge
10000
1000
10
100
1000
10000
Square Wave Pulse Duration - t (microsec)
p
Fig.7-Maximum Non-Repetitive Surge Current
L
HIG H-SPEED
SW ITCH
IRFP460
DUT
FREE-W HEEL
DIODE
Rg = 25 ohm
V d = 25 Volt
+
CURRENT
M ONITOR
40HFL40S02
Fig.8-Unclamped Inductive Test Circuit
4
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121NQ...(R) Series
Bulletin PD-2.249 rev. C 05/02
Data and specifications subject to change without notice.
This product has been designed and qualified for Industrial Level.
Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7309
Visit us at www.irf.com for sales contact information. 05/02
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