QRD4518001
Dual Diode Isolated Module
180 Amperes/4500 Volts
3
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 www.pwrx.com
11/14 Rev. 7
Information presented is based upon manufacturers testing and projected capabilities. This information is subject to change without notice.
The manufacturer makes no claim as to the suitability of use, reliability, capability, or future availability of this product.
Electrical Characteristics, Tj = 25 °C unless otherwise specied
Characteristics Symbol Test Conditions Min. Typ. Max. Units
Repetitive Peak Reverse Leakage Current IRRM VRRM = 4500V, Tj = 150°C — — 30 mA
Peak On-State Voltage VFM Tj = 150°C, IFM = 180A — — 1.35 Volts
Threshold Voltage (Low-Level) V(TO)1 Tj = 150°C, I = 15% IF(AV) to ∏IF(AV) — — 0.27 Volts
Slope Resistance (Low-Level) rT1 — — 5.216 mΩ
Threshold Voltage (High-Level) V(TO)2 Tj = 150°C, I = ∏IF(AV) to IFSM Volts
Slope Resistance (High-Level) rT2 mΩ
VTM Coefficients (Full Range) Tj = 150°C, I = 15% IF(AV) to IFSM A = 0.726
B = -577E-07
VTM = A + B Ln I + CI + D Sqrt I C = 5.22E-03
D = -3.08E-07
Thermal and Mechanical Characteristics, Tj = 25 °C unless otherwise specied
Characteristics Symbol Test Conditions Min. Typ. Max. Units
Thermal Resistance, Junction to Case Rth(j-c) Per Diode — — 0.099 °C/W
Thermal Impedance Coefficients Zth(j-c) Zth(j-c) = K1 (1-exp(-t/τ1)) K1 = 1.34E-04 τ1 = 1.95E-03
+ K2 (1-exp(-t/τ2)) K2 = 8.29E-03 τ2 = 4.90E-03
+ K3 (1-exp(-t/τ3)) K3 = 1.36E-02 τ3 = 5.18E-02
+ K4 (1-exp(-t/τ4)) K4 = 7.89E-02 τ4 = 0.221
Thermal Resistance, Rth(c-s) Thermal Grease Applied — — 0.018 °C/W
Case to Sink Lubricated λgrease = 1 W/mK