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Bulletin PD-2.261 rev. B 05/02
241NQ...(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 241NQ 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
241NQ...
240 35 to 50 25,000 0.59 - 55 to 175
241NQ050 Lug Terminal Anode
Base Cathode
241NQ050R Lug Terminal Cathode
Base Anode
Outline D-67 HALF PAK Module Dimensions in millimeters and (inches)
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241NQ...(R) Series
Bulletin PD-2.261 rev. B 05/02
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
241NQ035
35
241NQ040
40
241NQ045
45
241NQ050
50
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
241NQ Units
240 25,000 3450 324 48 A
Conditions
50% duty cycle @ TC = 130 C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied
A mJ A
TJ = 25 C, IAS = 48 Amps, L = 0.28 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop * See Fig. 1 (1)
241NQ Units
0.69 0.82 0.59 0.72 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
20 180 10,300 5.0 10000
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)
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
(1) Pulse Width < 300s, Duty Cycle < 2%
241NQ 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) Kg-cm (Ibf-in) Non-lubricated threads
HALF PAK Module
2
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241NQ...(R) Series
Bulletin PD-2.261 rev. B 05/02
10 00
100 00 10 00 R v rs C rre t - I (m ) ee e u n A R 10 0 1 0 1 .1 .0 1 .0 1 0 0 T =1 5 C 7 J 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
5
11223344 05050505 R v rs V lta e- V (V ee e o g R)
T =1 5 C 7 J T =1 5 C 2 J T= 2 5C J 1 0
J n tio C p c n e- C (p ) u c n a a ita c F T
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
10 00 0
1 0
2 0
3 0
4 0
5 0
F rw rdV lta eD p- V (V oa o g ro ) F M
R v rs V lta e- V (V ee e o g ) R
Fig. 1 - Maximum Forward Voltage Drop Characteristics
1 T em l Im e a c - Zth C ( /W hr a pd ne 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 S g P ls in le u e (T e a R s ta c ) h rm l e is n e 2 P a T =P xZ . ek +T JD M th C C J .0 1 .1 1 1 0 10 0
.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 eo d) 1
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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241NQ...(R) Series
Bulletin PD-2.261 rev. B 05/02
10 8 A w b C s T m e tu - ( ) llo a le a e e p ra re C 10 7 10 6 10 5 10 4 10 3 10 2 0 D C 21 Q 4N R J (D ) =0 0 C .2 /W th C C
20 2 20 0 A e g P w r L s - (W tts v ra e o e o s a) 10 8 10 6 10 4
D=0 8 .0 D=0 7 .1 D=0 5 .2 D=0 3 .3 D=0 0 .5
1 0 R SL it 2 M im 10 0 8 0 6 0 4 0 2 0 0 0 D C
5 0
10 10 20 20 30 30 0 5 0 5 0 5
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
Fig. 6 - Forward Power Loss Characteristics
Non-Repetitive Surge Current - I
FSM
At Any Rated Load Condition And With Rated V RRM Applied Following Surge
(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 IT C H FRE E-W H EEL D IO D E 40H FL40S02 V d = 25 V olt
D UT
IRFP460 Rg = 2 5 oh m
+
C UR RE N T M O N ITO R
Fig. 8 - Unclamped Inductive Test Circuit
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241NQ...(R) Series
Bulletin PD-2.261 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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