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Bulletin PD-2.224 rev. D 07/04
120NQ...(R) SERIES
SCHOTTKY RECTIFIER 120 Amp
IF(AV) = 120 A VR = 35 to 45V
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 s sine VF TJ @ 120Apk, TJ=125C range
Description/ Features Units
A V A V C The 120NQ...(R) high current Schottky rectifier module series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 150 C TJ operation Unique high power, Half-Pak module Replaces two 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 Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability
120NQ..
120 35 to 45 29,000 0.52 - 55 to 150
Case Styles 120NQ...(R)
D-67
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120NQ...(R) Series
Bulletin PD-2.224 rev. D 07/04
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) 35 40 45 VRWM Max. Working Peak Reverse Voltage (V)
120NQ035(R)
120NQ040(R)
120NQ045(R)
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
120NQ Units
120 29,000 1550 81 12 A
Conditions
50% duty cycle @ TC = 106 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 = 12 Amps, L = 1.12 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)
120NQ Units
0.57 0.73 0.52 0.69 V V V V mA mA V m pF nH V/ s @ 120A @ 240A @ 120A @ 240A TJ = 25 C TJ = 125 C TJ = TJ max.
Conditions
TJ = 25 C TJ = 125 C VR = rated VR
IRM
Max. Reverse Leakage Current (1) * See Fig. 2
10 500 0.32 1.37 5200 7.0 10000
VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance 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)
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
(1) Pulse Width < 300s, Duty Cycle < 2%
120NQ Units
-55 to 150 -55 to 150 0.40 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.) 17 (15) 29 (25) 23 (20) 46 (40) HALF PAK Module Kg-cm (Ibf-in) Non-lubricated threads
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120NQ...(R) Series
Bulletin PD-2.224 rev. D 07/04
1000
10000 1000 100 10 1 0.1 0.01 TJ = 150C 125C 100C 75C 50C 25C
Instantaneous Forward Current - I F (A)
100
Revers Current - I R (mA) e
0
5
10 15 20 25 30 35 40 45 Reverse Voltage - VR (V)
Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage
10000
T = 150C J 10 T = 125C J T = 25C J
Junction Capacitance - C T (pF)
TJ = 25C
1
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Forward Voltage Drop - V FM (V)
1
1000
0
10
20
30
40
50
Reverse Voltage - V R (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1 T hermal Impedance Z thJC (C/ W) D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20
P DM
0.1
0.01
S ingle Pulse (T hermal R esistanc e) Notes:
t1 t2
1. Duty factor D = t 1/ t 2 2. Peak T = PDM x Z thJC+ TC J 0.001 0.00001 0.0001 0.001 0.01 0.1 1 10 100
t 1 , Rec tangular Pulse Duration (S econds)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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120NQ...(R) Series
Bulletin PD-2.224 rev. D 07/04
160 Allowable Case T emperature - (C) 150
100 90 Average Power Loss - (Wat ts) 80 70 60 50 40 30 20 10 0 0
140 130 120 110 100 90
see note (2)
D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMSLimit DC
DC
S quare wave (D = 0.50) 80% Rated V R applied
80
0
20 40 60 80 100 120 140 160 180 Average Forward Current - I F(AV) (A)
20 40 60 80 100 120 140 160 180 Average Forward Current - I F(AV) (A)
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
100000 Non-Repetitive Surge Current - I FS (A) M At Any Rated Load Condition And With Rated VRRM Applied Following S urge
Fig. 6 - Forward Power Loss Characteristics
10000
1000 10
100
1000
10000
S quare Wave Pulse Duration - t p (micros ec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L HIGH-S PEED S CH WIT FREE-WHEEL DIODE 40HF L40S 02
+
DUT
IR FP460 R = 25 ohm g
Vd = 25 Volt
CURR ENT MONIT OR
Fig. 8 - Unclamped Inductive Test Circuit
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR
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120NQ...(R) Series
Bulletin PD-2.224 rev. D 07/04
Outline Table
Outline D-67 HALF PAK Module Dimensions in millimeters and (inches)
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. 07/04
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