P4KE 400W Unidirectional Transient Voltage Suppressor Diodes DO-41 (Plastic) Peak Pulse Power Rating At 1ms. Exp. 400 W o0.8 0.05 o2.6 0.1 Dimensions in mm. R +0.2 -0 5 0.5 58.5 * Glass passivated junction Mounting instructions * Low Capacitance AC signal protection 1. Min. distance from body to soldering point, 4 mm. 2. Max. solder temperature, 350 C. 3. Max. soldering time, 3.5 sec. 4. Do not bend lead at a point closer than 2 mm. to the body. * Response time typically < 1 ns. * Molded case * The plastic material carries U/L recognition 94 V-0 * Terminal: Axial leads Maximum Ratings, According to IEC Publication No. 134 Ppp Peak pulse power with 10/1000 s exponential pulse IFSM Non repetitive surge peak forward current (t = 8.3 msec.) (Jedec Method) 400 W 40 A (Note 1) Tj Operating temperature range - 65 to + 175 C Tstg Storage temperature range - 65 to + 175 C PM(AV) Steady state Power dissipation (l = 10 mm) 1W Electrical Characteristics at Tamb = 25 C VF Max. forward voltage drop at IF = 25 A 3.5 V Rthj-l Max. thermal resistance (l = 10 mm.) 60 C/W Type Maximum Reverse Leakage Current IRM at (1) VRM Breakdown Voltage VBR at (V) Max. Clamping Voltage Ipp VCL at max. 1ms. Expo. (A) 5 (V) 14.5 Min. 16.2 Nom. 18 Max. P4KE18A 5 15.3 17.1 P4KE200A 5 171 P4KE550 1 495 Unidirectional P4KE18 IR 19.8 (mA) 1 (V) 26.5 (A) 15.1 18 18.9 1 25.2 16 190 200 210 1 274 1.5 550 610 671 0.1 760 0.4 (1): Tested with pulses. Pulse test: tp ms; d <2% Sep-08 P4KE Rating And Characteristic Curves DERATING CURVE PPP, Peak Pulse Power in % of 25 C. Ipp - Peak Pulse Current - % Ipp 125 Ipp 100 Ipp/2 50 1 10 s 50 25 0 0 25 50 75 100 125 150 175 Pulse wave form 10/1000 Temperature in C PULSE RATING CURVE TYPICAL JUNCTION CAPACITANCE Cj, Junction Capacitance (pF) Ppp, Peak Pulse Power (W) 75 t - time 1 ms 5 10 4 10 3 10 2 10 100ns 100 4 10 2 10 10 1s 10s 100s Pulse Time - t 1ms Measured at VBR and 1MHz. 3 10 1 10 2 10 3 10 VBR - Breakdown voltage (V) Sep-08