SMD Zener Diode CZRT23C2V7-HF Thru. CZRT23C39-HF Zener Voltage: 2.7V to 39V Power Dissipation: 300mW RoHS Device Halogen Free Features SOT-23 - Dual Zeners in common anode configuration. - 300mW power dissipation rating. 0.119(3.00) 0.110(2.80) - Ideally suited for automatic insertion. 3 - ΔVZ for both diodes in one case is ≤5%. 0.056(1.40) 0.047(1.20) - Common cathode style available see DZ Series. 1 2 0.083(2.10) 0.066(1.70) Mechanical Data 0.006(0.15) - Case: SOT-23 mold plastic 0.002(0.05) 0.044(1.10) 0.103(2.60) 0.035(0.90) 0.086(2.20) Circuit Diagram 0.006(0.15) max 0.020(0.50) 0.013(0.35) 0.007(0.20) min 3 Dimensions in inches and (millimeter) 1 2 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 °C/W TJ -65 ~ +150 °C TSTG -65 ~ +150 °C Company reserves the right to improve product design , functions and reliability without notice. QW-JZ006 REV:A Page 1 SMD Zener Diode ELECTRICAL CHARACTERISTIC (CZRT23C2V7-HF Thru. CZRT23C39-HF) Type Marking Code Min. reverse Typical temperature voltage (1) coefficient @IR=0.1μA Zener voltage range (1) Maximum Zener impedance (2) @IZT=5.0mA @IZT=5.0mA @IZK=1.0mA VZ (V) ZZT (Ω) ZZk (Ω) TC (%/°C) VR (V) CZRT23C2V7-HF KD1 2.5~2.9 83 500 -0.065 --- CZRT23C3V0-HF KD2 2.8~3.2 95 500 -0.060 --- CZRT23C3V3-HF KD3 3.1~3.5 95 500 -0.055 --- CZRT23C3V6-HF KD4 3.4~3.8 95 500 -0.055 --- CZRT23C3V9-HF KD5 3.7~4.1 95 500 -0.050 --- CZRT23C4V3-HF KD6 4.0~4.6 95 500 -0.035 --- CZRT23C4V7-HF KD7 4.4~5.0 78 500 -0.015 --- CZRT23C5V1-HF KD8 4.8~5.4 60 480 0.005 0.8 CZRT23C5V6-HF KD9 5.2~6.0 40 400 0.020 1.0 CZRT23C6V2-HF KDA 5.8~6.6 10 200 0.030 2.0 CZRT23C6V8-HF KDB 6.4~7.2 8 150 0.045 3.0 CZRT23C7V5-HF KDC 7.0~7.9 7 50 0.050 5.0 CZRT23C8V2-HF KDD 7.7~8.7 7 50 0.055 6.0 CZRT23C9V1-HF KDE 8.5~9.6 10 50 0.065 7.0 CZRT23C10-HF KDF 9.4~10.6 15 70 0.065 7.5 CZRT23C11-HF KDG 10.4~11.6 20 70 0.070 8.5 CZRT23C12-HF KDH 11.4~12.7 20 90 0.080 9.0 CZRT23C13-HF KDI 12.4~14.1 25 110 0.080 10.0 CZRT23C15-HF KDJ 13.8~15.6 30 110 0.090 11.0 CZRT23C16-HF KDK 15.8~17.1 40 170 0.090 12.0 CZRT23C18-HF KDL 16.8~19.1 50 170 0.090 14.0 CZRT23C20-HF KDM 18.8~21.2 50 220 0.090 15.0 CZRT23C22-HF KDN 20.8~23.3 55 220 0.090 17.0 CZRT23C24-HF KDO 22.8~25.6 80 220 0.090 18.0 CZRT23C27-HF KDP 25.1~28.9 80 250 0.090 20.0 CZRT23C30-HF KDQ 28~32 80 250 0.090 22.5 CZRT23C33-HF KDR 31~35 80 250 0.090 25.0 CZRT23C36-HF KDS 34~38 90 250 0.090 27.0 CZRT23C39-HF KDT 37~41 90 300 0.110 29.0 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● NOTES: (1) Short duration test pulse used to minimize self-heating effect. (2) f=1KHz Company reserves the right to improve product design , functions and reliability without notice. QW-JZ006 REV:A Page 2 SMD Zener Diode RATINGS and CHARACTERISTIC CURVE (CZRT23C2V7-HF Thru. CZRT23C39-HF) Fig.1- Power Derating Curve Fig.2- Zener Breakdown Characteristics 1.2 C5V6 1.0 C6V8 Zener Current, (mA) Power Dissipation, (mW) C2V7 C3V3 C3V9 C4V7 TJ=25°C 50 0.8 0.6 0.4 C8V2 40 30 20 10 0.2 0 0 0 50 25 75 100 125 175 150 Ambient Temperature, (°C) 0 1 2 3 4 5 6 7 8 9 10 Zener Voltage, (V) Fig.3- Zener Breakdown Characteristics 30 C12 TJ=25°C C10 Zener Current, (mA) C15 20 C18 C22 C27 C33 C36 10 0 0 10 20 30 40 Zener Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. QW-JZ006 REV:A Page 3 SMD Zener Diode Reel Taping Specification P1 XXX B F E d P0 12 o 0 D2 D1 D W1 SOT-23 SOT-23 SYMBOL A B C d D D1 D2 (mm) 3.15 ± 0.10 2.77 ± 0.10 1.22 ± 0.10 1.50 + 0.10 178 ± 2.00 54.40 ± 1.00 13.00 ± 1.00 (inch) 0.124 ± 0.004 0.109 ± 0.004 0.048 ± 0.004 0.059 + 0.004 7.008 ± 0.079 2.142 ± 0.039 0.512 ± 0.039 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00 + 0.30 /–0.10 12.30 ± 1.0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.315 + 0.012 /–0.004 0.484 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 4 QW-JZ006 Comchip Technology CO., LTD. SMD Zener Diode Marking Code 3 XXX ● 1 2 Halogen Free XXX = Product type marking code (see page.2) Suggested PAD Layout SOT-23 E SIZE (mm) (inch) A 0.80 0.031 B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 E 0.80 0.031 A C D B Standard Packaging REEL PACK Case Type SOT-23 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A Page 5 QW-JZ006 Comchip Technology CO., LTD.