SMD Zener Diode CZRT23C2V7-G Thru. CZRT23C39-G Zener Voltage: 2.7V to 39V Power Dissipation: 300mW RoHS Device Features SOT-23 -Dual Zeners in common anode configuration. 0.119(3.00) -300mW power dissipation rating. 0.110(2.80) 3 -Ideally suited for automatic insertion. 0.056(1.40) -ΔVZ for both diodes in one case is <=5%. 0.047(1.20) 1 2 0.083(2.10) 0.066(1.70) Mechanical Data -Case: SOT-23 mold plastic 0.006(0.15) 0.002(0.05) 0.044(1.10) 0.103(2.60) 0.035(0.90) 0.086(2.20) Diagram 0.006(0.15) max 0.020(0.50) 0.013(0.35) 0.007(0.20) min Dimensions in inches and (millimeter) Maximum Ratings (at Ta=25°C unless otherwise noted) Parameter Power dissipation Thermal Resistance, junction to ambient Operating junction temperature Storage temperature Symbol Value Unit PD 300 mW RθJA 417 TJ -65 ~ +150 O C TSTG -65 ~ +150 O C O C/W REV:A QW-BZ009 Page 1 SMD Zener Diode ELECTRICAL CHARACTERISTIC (CZRT23C2V7-G Thru. CZRT23C39-G) Zener voltage range (1) Type Marking Code @IZT=5.0mA Maximum Zener impedance (2) @IZT=5.0mA @IZK=1.0mA Min. reverse Typical temperature voltage (1) coefficient @IR=0.1μA VZ(V) ZZT(Ω) ZZK(Ω) TC(%/ °C) VR(V) CZRT23C2V7-G KD1 2.5~2.9 83 500 -0.065 --- CZRT23C3V0-G KD2 2.8~3.2 95 500 -0.060 --- CZRT23C3V3-G KD3 3.1~3.5 95 500 -0.055 --- CZRT23C3V6-G KD4 3.4~3.8 95 500 -0.055 --- CZRT23C3V9-G KD5 3.7~4.1 95 500 -0.050 --- CZRT23C4V3-G KD6 4.0~4.6 95 500 -0.035 --- CZRT23C4V7-G KD7 4.4~5.0 78 500 -0.015 --- CZRT23C5V1-G KD8 4.8~5.4 60 480 0.005 0.8 CZRT23C5V6-G KD9 5.2~6.0 40 400 0.020 1.0 CZRT23C6V2-G KDA 5.8~6.6 10 200 0.030 2.0 CZRT23C6V8-G KDB 6.4~7.2 8 150 0.045 3.0 CZRT23C7V5-G KDC 7.0~7.9 7 50 0.050 5.0 CZRT23C8V2-G KDD 7.7~8.7 7 50 0.055 6.0 CZRT23C9V1-G KDE 8.5~9.6 10 50 0.065 7.0 CZRT23C10-G KDF 9.4~10.6 15 70 0.065 7.5 CZRT23C11-G KDG 10.4~11.6 20 70 0.070 8.5 CZRT23C12-G KDH 11.4~12.7 20 90 0.080 9.0 CZRT23C13-G KDI 12.4~14.1 25 110 0.080 10.0 CZRT23C15-G KDJ 13.8~15.6 30 110 0.090 11.0 CZRT23C16-G KDK 15.8~17.1 40 170 0.090 12.0 CZRT23C18-G KDL 16.8~19.1 50 170 0.090 14.0 CZRT23C20-G KDM 18.8~21.2 50 220 0.090 15.0 CZRT23C22-G KDN 20.8~23.3 55 220 0.090 17.0 CZRT23C24-G KDO 22.8~25.6 80 220 0.090 18.0 CZRT23C27-G KDP 25.1~28.9 80 250 0.090 20.0 CZRT23C30-G KDQ 28~32 80 250 0.090 22.5 CZRT23C33-G KDR 31~35 80 250 0.090 25.0 CZRT23C36-G KDS 34~38 90 250 0.090 27.0 CZRT23C39-G KDT 37~41 90 300 0.110 29.0 NOTES: (1) Short duration test pulse used to minimize self-heating effect. (2) f=1KHz REV:A QW-BZ009 Page 2 SMD Zener Diode RATINGS and CHARACTERISTIC CURVE (CZRT23C2V7-G Thru. CZRT23C39-G) Fig.1 Power Derating Curve Fig.2 Zener Breakdown Characteristics 1.2 C2V7 C3V3 C3V9 C4V7 O TJ=25 C C5V6 1.0 C6V8 IZ, Zener Current (mA) PD, Power Dissipation (mW) 50 0.8 0.6 0.4 C8V2 40 30 20 10 0.2 0 0 0 50 25 75 100 125 O Ta, Ambient Temperature ( 175 150 C) 0 1 2 3 4 5 6 7 8 9 10 VZ, Zener Voltage (V) Fig.3 Zener Breakdown Characteristics 30 C12 O TJ=25 C C10 IZ, Zener Current (mA) C15 20 C18 C22 C27 C33 C36 10 0 0 10 20 30 40 VZ, Zener Voltage (V) REV:A QW-BZ009 Page 3