400W Transient Voltage Suppressor P4KE-G Series Breakdown Voltage: 6.8 to 600 Volts Peak Pulse Power: 400 Watts RoHS Device Features DO-41 - Glass passivated chip. - 400W peak pulse power capability with a 10/1000s waveform, repetitive rate (duty cycle):0.01% 0.033(0.84) DIA. 0.027(0.71) - Low leakage. 1.000(25.40) MIN. - Uni and Bidirectional unit. - Excellent clamping capability. - Very fast response time. R - UL recognized file E349157 0.205(5.21) - Range: P4KE6.8(C)A thru. P4KE33(C)A 0.165(4.19) 0.117(2.97) Mechanical Data DIA. 0.090(2.29) -Case: Molded plastic DO-41. 1.000(25.40) -Epoxy: UL 94V-0 rate flame retardant. MIN. -Lead: Solderable per MIL-STD-202, method 208 guranteed. -Polarity: Color band denotes cathode end except Bipolar. Dimensions in inches and (millimeter) -Monuting position: Any. -Weight: 0.321 gram (approx.) Maximum Ratings (TA=25C unless otherwise noted) Symbol Parameter Value Unit Peak power dissipation with a 10/1000 s PPP 400 W waveform (Note 1) Peak pulse current with a 10/1000 s waveform IPP See Next Table A (Note 1) Power dissipation on infinite heatsink at TL=75C PD 1.0 W Peak forward surge current, 8.3ms single half sine-wave unidirectional only IFSM 40 A (Note 2) Maximum instantaneous forward voltage at VF 3.5/5.0 V 25 A for unidirectional only (Note 3) Operating junction and storage TJ, TSTG -55 to +150 C temperature range NTOES: (1) Non-repetitive current pulse per fig.5 and derated above TA=25C per fig.1 (2) Measured on 8.3ms single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum (3) VF<3.5V for devices of VBR<200V and VF<5.0V for devices of VBR>201V Company reserves the right to improve product design , functions and reliability without notice. REV:D QW-BTV05 Page 1 Comchip Technology CO., LTD.400W Transient Voltage Suppressor Rating and Characteristic Curves (P4KE-G Series) Fig.2 - Maximum Non-Repetitive Fig.1 - Pulse Derating Curve Surge Current 100 50 8.3mS single half sine-wave (JEDEC method) TJ=TJ Max. 40 75 30 50 20 25 10 0 0 0 25 50 75 100 125 150 175 1 10 100 Ambient Temperature, (C) Number of Cycle at 60Hz Fig.3 - Steady State Power Derating Curve Fig.4 - Peak Pulse Power Rating Curve 1.0 100 0.8 10 0.6 0.4 1 0.2 0 0.1 0 25 50 75 100 125 150 175 200 0.1 1 10 100 1000 10000 Lead Temperature, TL (C) Pulse Width, td (s) Fig.5 - Pulse Waveform Fig.6 - Typical Junction Capacitance 10000 TJ = 25C TR=10 s Pluse width(td) is defined as the Bi-directional point where the peak current zero bias 100 Peak value decays to 50% of Ipp (Ipp) 1000 Uni-directional zero bias Uni-directional VRWM Ipp Half Value= 2 100 50 10 / 1000 sec. waveform as defined by R.E.A. 10 Bi-directional td TJ=25C VRWM f=1.0MHz 1 0 0 1 2 3 4 1 10 100 1000 Time, (mS) Reverse Breakdown Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. REV:D QW-BTV05 Page 2 Comchip Technology CO., LTD. Peak Pulse Derating in Percentage of Peak Pulse Current, (%) Steady State Power Dissipation, (W) Peak Power or Current, (%) Junction Capacitance, (pF) Peak Power, (kW) Peak Forward Surge Current, (A)