181NQ IRF | Alldatasheet
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180 Amp
181NQ... SERIES PD-2.293 rev. A 12/97 www.irf.com Dimensions in millimeters and inches Outline HALF PAK Module CASE STYLE AND DIMENSIONS Major Ratings and Characteristics Description/Features IF(AV) Rectangular 180 A waveform VRRM range 35 to 45 V IFSM @ tp = 5 µs sine 22,000 A VF @ 180Apk, TJ=125°C 0.56 V TJ range - 55 to 175 Characteristics 181NQ... Units The 181NQ 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 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 three 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
181NQ... Series PD-2.293 rev. A 12/97 www.irf.com TJ Max. Junction Temperature Range -55 to 175 Tstg Max. Storage Temperature Range -55 to 175 RthJC Max. Thermal Resistance Junction 0.30 °C/W DC operation * See Fig. 4 to Case RthCS Typical Thermal Resistance, Case to 0.10 °C/W Mounting surface , smooth and greased Heatsink wt Approximate Weight 25.6 (0.9) g (oz.) T Mounting Torque Min. 40 (35) Non-lubricated threads Max. 58 (50) Terminal Torque Min. 58 (50) Max. 86 (75) Case Style HALF PAK Module Thermal-Mechanical Specifications Parameters 181NQ Units Conditions VFM Max. Forward Voltage Drop (1) 0.66 V @ 180A * See Fig. 1 0.80 V @ 360A 0.56 V @ 180A 0.69 V @ 360A IRM Max. Reverse Leakage Current (1) mA TJ = 25 °C * See Fig. 2 135 mA TJ = 125 °C CT Max. Junction Capacitance 7800 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 6.0 nH From the top of terminal hole to mounting plane dv/dt Max. Voltage Rate of Change 10,000 V/ µs (Rated VR) TJ = 25 °C TJ = 125 °C VR = rated VR Parameters 181NQ Units Conditions Electrical Specifications IF(AV) Max. Average Forward Current 180 A 50% duty cycle @ TC = 125° C, rectangular wave form * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 22,000 5µs Sine or 3µs Rect. pulse Surge Current * See Fig. 7 2500 10ms Sine or 6ms Rect. pulse EAS Non-Repetitive Avalanche Energy 243 mJ TJ = 25 °C, IAS = 36 Amps, L = 0.38 mH IAR Repetitive Avalanche Current A Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Parameters 181NQ Units Conditions Absolute Maximum Ratings A Part number 181NQ035 181NQ040 181NQ045 VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Voltage Ratings Following any rated load condition and with rated VRRM applied Kg-cm (Ibf-in) (1) Pulse Width < 300µs, Duty Cycle < 2%
181NQ... Series PD-2.293 rev. A 12/97 www.irf.com Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics Fig. 1 - Maximum Forward Voltage Drop Characteristics 100 1000 FM F Instantaneous Forward Current - I (A) Forward Voltage Drop - V (V) T = 175°C T = 125°C T = 25°C J J J .001 .01 100 1000 10 15 20 25 30 35 40 45 R R T = 175°C 150°C 125°C 100°C 75°C 50°C 25°C J Reverse Voltage - V (V) Reverse Current - I (mA) 1000 10000 T = 25°C J Reverse Voltage - V (V) R T Junction Capacitance - C (pF) .001 .01 .00001 .0001 .001 .01 100 D = 0.33 D = 0.50 D = 0.25 D = 0.17 D = 0.08 thJC t , Rectangular Pulse Duration (Seconds) Thermal Impedance - Z (°C/W) Single Pulse (Thermal Resistance) t t PDM Notes: 1. Duty factor D = t / t 2. Peak T = P x Z + T J DM thJC C
181NQ... Series PD-2.293 rev. A 12/97 www.irf.com Fig. 8 - Unclamped Inductive Test Circuit Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics Fig. 7 - Maximum Non-Repetitive Surge Current 130 140 150 160 170 180 120 160 200 240 280 DC Allowable Case Temperature - (°C) Average Forward Current - I (A) F(AV) 181NQ R (DC) = 0.30°C/W thJC 100 125 150 120 160 200 240 280 DC Average Power Loss - (Watts) F(AV) D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 RMS Limit Average Forward Current - I (A) 1000 10000 100000 100 1000 10000 FSM p Non-Repetitive Surge Current - I (A) At Any Rated Load Condition And With Rated V Applied Following Surge RRM Square Wave Pulse Duration - t (microsec) FREE-WHEEL DIODE 40HFL40S02 CURRENT MONITOR HIGH-SPEED SWITCH IRFP460 L DUT Rg = 25 ohm Vd = 25 Volt