SMD Zener Diode CZRB5338B-HF Thru. CZRB5388B-HF Voltage: 5.1V to 200V Power: 5 W RoHS Device Halogen Free Features SMB/DO-214AA - Glass passivated chip - Low leakage 0.155(3.94) 0.087(2.20) - Built-in strain relief 0.130(3.30) 0.077(1.96) - Low inductance - High peak reverse power dissipation 0.191(4.85) 0.171(4.35) - For use in stabilizing and clipping with with high power rating. 0.012(0.30) 0.006(0.15) 0.096(2.44) Mechanical data 0.083(2.13) - Epoxy: UL 94V-0 rate flame retardant 0.008(0.20) 0.060(1.52) 0.001(0.02) 0.030(0.75) - Case: Molded plastic 0.216(5.50) - Lead: Solderable per MIL-STD-202, 0.201(5.10) method 208 guranteed. - Polarity: Color band denotes cathode end. Dimensions in inches and (millimeter) - Mounting position: Any Circuit diagram Maximum Ratings (TA=25C unless otherwise noted) Symbol Parameter Value Unit DC Power dissipation at TL = 50C (Note 1) PD 5.0 W Maximum forward voltage at IF = 200 mA VF 1.2 V Junction temperature range TJ -55 to +150 C Storange temperature range TSTG -55 to +150 C Note: (1) TL = Lead temperature at 3/8 (9.5mm) from body. Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JZ008 Page 1 Comchip Technology CO., LTD.SMD Zener Diode Rating and Characteristics Curves ( CZRB5338B-HF Thru CZRB5388B-HF ) Fig.1 - Power Temperature Fig.2 - Temperature Coefficients Derating Curve v.s. Zener Voltage 5.0 100 4.0 3.0 10 Range 2.0 1.0 0.0 1 0 25 50 75 100 125 150 175 10 100 Lead Temperature, TL (C) Zener Voltage, VZ (V) Fig.3 - Typical Thermal Resistance Fig.4 - Maximum Surge Power v.s. Lead Length 40 100 30 20 10 10 0 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1 10 100 1000 Lead Length to Heatsink, L (inches) Pulse Width, PW (ms) Fig.5 - Typical Thermal Response L, Lead Length=3/8inch 100 D=0.5 10 D=0.2 1 Note: Below 0.1 second, Thermal Single pulse TJL-JL(t)Ppk 0.1 0.001 0.01 0.1 1 10 100 Time, t , (s) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JZ008 Page 2 Comchip Technology CO., LTD. D=0.05 D=0.1 D=0.01 D=0 Junction to Lead Triensient Resistance JL(t,D), (C/W) Junction to Lead Thermal Max. Power dissipation, PD (W) Resistance, (C/W) Peak Surge Power, (W) Temperature Coefficient, VZ (mV/C)