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Bulletin PD-2.262 rev. B 05/02
243NQ...(R) SERIES
SCHOTTKY RECTIFIER 240 Amp
D-67
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF TJ @ 240Apk, TJ=125C range
Description/Features Units
A V A V C The 243NQ 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. 175 C TJ operation Unique high power, Half-Pak module Replaces four parallel DO-5's Easier to mount and lower profile than DO-5's High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability
243NQ...
240 80 to 100 25,500 0.72 - 55 to 175
243NQ100 Lug Terminal Anode
Base Cathode
243NQ100R Lug Terminal Cathode
Base Anode
Outline D-67 HALF PAK Module Dimensions in millimeters and (inches)
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243NQ...(R) Series
Bulletin PD-2.262 rev. B 05/02
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
243NQ080
80
243NQ090
90
243NQ100
100
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current
243NQ Units
240 25,500 3300 15 1 A
Conditions
50% duty cycle @ TC = 120 C, rectangular wave form Following any rated load condition and 10ms Sine or 6ms Rect. pulse with rated VRRM applied 5s Sine or 3s Rect. pulse TJ = 25 C, IAS = 1 Amps, L = 30 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
A mJ A
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop * See Fig. 1 (1)
243NQ Units
0.86 1.01 0.72 0.86 V V V V mA mA pF nH V/ s @ 240A @ 480A @ 240A @ 480A TJ = 25 C TJ = 125 C
Conditions
TJ = 25 C TJ = 125 C VR = rated VR
IRM CT LS
Max. Reverse Leakage Current (1) * See Fig. 2 Max. Junction Capacitance Typical Series Inductance
6 80 5500 5.0 10000
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 C From top of terminal hole to mounting plane (Rated VR)
dv/dt Max. Voltage Rate of Change
(1) Pulse Width < 300s, Duty Cycle < 2%
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
243NQ Units
-55 to 175 -55 to 175 0.20 0.15 C C C/W C/W DC operation
Conditions
RthJC Max. Thermal Resistance Junction to Case RthCS 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 Kg-cm (Ibf-in) Non-lubricated threads
2
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243NQ...(R) Series
Bulletin PD-2.262 rev. B 05/02
10 00
10 00 10 0 R v rs C r n - I ( A e e e ure t m) R 1 0 1 .1 .0 1 .0 1 0 0 T =1 5 C J 7 1 0C 5 1 5C 2 1 0C 0 7 5C 5 0C 2 5C
In ta ta e u F rw rdC rre t - IF (A s n nos o a un )
10 0
2 0
4 0
6 0
8 0
10 0
T =1 5C 7 J T =1 5C 2 J T= 2 5C J 1 0 Ju c nC p c n e- C (p ) n tio a a ita c F T
R v rs V lta e- V (V ee e o g R)
Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage
100 00
T =2 5C J
1 0
.1
.2
.3
.4
.5
.6
.7
.8
.9
11 .1
10 00 01 2 3 4 5 6 7 8 9 0 1 0 0 0 0 0 0 0 0 01 01 0 R v rs V lta e- V (V ee e o g ) R
F rw rdV lta eD p- V M ) oa o g ro F (V
Fig. 1 - Maximum Forward Voltage Drop Characteristics
1 T e a Im e a c - Zth C( /W h rm l p d n e C) J
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
.1
D=0 0 .5 D=0 3 .3 D=0 5 .2 D=0 7 .1
PM D
.0 1
D=0 8 .0
t 1 t2 N te : os 1 D tyfa to D= t1/ t2 .u cr 2 P a T =P xZ . ek +T JD M th C C J .0 1 .1 1 1 0 10 0
S g P ls in le u e (T e a R s ta c ) h rm l e is n e .0 1 0 .0 0 1 00 .0 0 01 .0 1 0
t , R c n u r P ls D ra n(S c n s e ta g la u e u tio eod) 1
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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243NQ...(R) Series
Bulletin PD-2.262 rev. B 05/02
10 8 A w b C s T m e a re- ( ) llo a le a e e p r tu C 10 7 10 6 10 5 10 4 10 3 10 2 0 D C 23 Q 4N R J (D ) =0 0 C .2 /W th C C 20 5 D=0 8 .0 D=0 7 .1 .2 2 0 D=0 5 0 D=0 3 .3 D=0 0 .5 10 5 R SL it M im
A e g P w r L s - (W tts v ra e o e o s a)
10 0
D C
5 0
5 0
10 10 20 20 30 30 0 5 0 5 0 5
0 0
5 0
10 10 20 20 30 30 0 5 0 5 0 5
A e g F rw rdC rre t - IF V (A v ra e o a un (A ) )
A e g F rw rdC rre t - I v ra e o a un (A ) FV (A )
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
100000
FSM
Fig. 6 - Forward Power Loss Characteristics
At Any Rated Load Condition And With Rated V RRM Applied Following Surge
Non-Repetitive Surge Current - I
(A) 10000 1000 10
100
1000
10000
Square Wave Pulse Duration - t p (microsec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L H IG H-SPE ED SW ITC H FRE E-W H EEL D IO D E 40H FL40 S02 V d = 25 V olt
D UT
IRFP460 R g = 25 oh m
+
C URRE NT M O N ITO R
Fig. 8 - Unclamped Inductive Test Circuit
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243NQ...(R) Series
Bulletin PD-2.262 rev. B 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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