SMD Zener Diode CZRW5223B-G Thru. CZRW5256B-G Voltage: 2.7 to 30 Volts Power: 350 mWatts RoHS Device Features - For surface mounted applications. - Ultra-Small surface medium package. - General purpose, medium current. - Ideally suited for automated assembly processes. SOD-123 0.152(3.85) 0.140(3.55) 0.026(0.65) 0.018(0.45) Mechanical data 0.067(1.70) 0.059(1.50) 0.110(2.80) 0.102(2.60) - Case: SOD-123, Molded plastic. - Terminals: Solder Plated,solderable per MIL-STD-750,method 2026. - Polarity: Cathode band. 0.049(1.25) 0.041(1.05) 0.006 (0.15) 0.003 (0.08) - Weight: 0.01 gram(approx.). 0.004(0.10) Max. 0.020 (0.50) REF Circuit Diagram Dimensions in inches and (millimeter) 1 2 Maximum Rating (@Ta=25°C unless otherwise specified) Parameter Symbol Value Unit @ IF=10mA VF 0.9 V PD 350 mW Thermal Resistance, Junction to Ambient Air RθJA 357 °C/W Operating and Storage Temperature Range TJ,TSTG -65 to +150 °C Forward Voltage (Note 2) Power Dissipation (Note 1) 2 Notes: 1. Device mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25mm . 2. Tested with pulses, Tp≤1.0ms. Company reserves the right to improve product design , functions and reliability without notice. QW-BZ018 REV:G Page 1 SMD Zener Diode Electrical Characteristics(@Ta = 25°C unless otherwise specified) Zener Voltage Operating resistance Rising operating resistance Reverse current ZZT(Ohm) ZZK(Ohm) IR(uA) Part Number VZ(V)@IZT Min Nom Max Max IZT(mA) Max IZK(mA) Max VR(V) Marking Code CZRW5223B-G 2.57 2.7 2.84 30 20 1300 0.25 75 1.0 C3 CZRW5225B-G 2.85 3.0 3.15 30 20 1600 0.25 50 1.0 C5 CZRW5226B-G 3.14 3.3 3.47 28 20 1600 0.25 25 1.0 G1 CZRW5227B-G 3.42 3.6 3.78 24 20 1700 0.25 15 1.0 G2 CZRW5228B-G 3.71 3.9 4.10 23 20 1900 0.25 10 1.0 G3 CZRW5229B-G 4.09 4.3 4.52 22 20 2000 0.25 5 1.0 G4 CZRW5230B-G 4.47 4.7 4.94 19 20 1900 0.25 5 2.0 G5 CZRW5231B-G 4.85 5.1 5.36 17 20 1600 0.25 5 2.0 E1 CZRW5232B-G 5.32 5.6 5.88 11 20 1600 0.25 5 3.0 E2 CZRW5233B-G 5.70 6.0 6.30 7 20 1600 0.25 5 3.5 E3 CZRW5234B-G 5.89 6.2 6.51 7 20 1000 0.25 5 4.0 E4 E5 CZRW5235B-G 6.46 6.8 7.14 5 20 750 0.25 3 5.0 CZRW5236B-G 7.13 7.5 7.88 6 20 500 0.25 3 6.0 F1 CZRW5237B-G 7.79 8.2 8.61 8 20 500 0.25 3 6.5 F2 CZRW5238B-G 8.27 8.7 9.14 8 20 600 0.25 3 6.5 F3 CZRW5239B-G 8.65 9.1 9.56 10 20 600 0.25 3 7.0 F4 CZRW5240B-G 9.50 10 10.50 17 20 600 0.25 3 8.0 F5 CZRW5241B-G 10.45 11 11.55 22 20 600 0.25 2 8.4 H1 CZRW5242B-G 11.40 12 12.60 30 20 600 0.25 1 9.1 H2 CZRW5243B-G 12.35 13 13.65 13 9.5 600 0.25 0.5 9.9 H3 CZRW5244B-G 13.30 14 14.70 15 9.0 600 0.25 0.1 10 H4 CZRW5245B-G 14.25 15 15.75 16 8.5 600 0.25 0.1 11 H5 CZRW5246B-G 15.20 16 16.80 17 7.8 600 0.25 0.1 12 J1 CZRW5248B-G 17.10 18 18.90 21 7.0 600 0.25 0.1 14 J3 CZRW5250B-G 19.00 20 21.00 25 6.2 600 0.25 0.1 15 J5 CZRW5251B-G 20.90 22 23.10 29 5.6 600 0.25 0.1 17 K1 CZRW5252B-G 22.80 24 25.20 33 5.2 600 0.25 0.1 18 K2 CZRW5253B-G 23.75 25 26.25 35 5.0 600 0.25 0.1 19 K3 CZRW5254B-G 25.65 27 28.35 41 5.0 600 0.25 0.1 21 K4 CZRW5255B-G 26.60 28 29.40 44 4.5 600 0.25 0.1 21 K5 CZRW5256B-G 28.50 30 31.50 49 4.2 600 0.25 0.1 23 M1 Company reserves the right to improve product design , functions and reliability without notice. QW-BZ018 REV:G Page 2 SMD Zener Diode RATING AND CHARACTERISTIC CURVES (CZRW5223B-G Thru CZRW5256B-G) Fig.2 - Forward Characteristics Fig.1 - Power Derating Curve 100 400 Forward Current, (mA) Power Dissipation, (mW) Pulsed 300 200 10 1 100 0.1 300 0 0 25 75 50 100 125 150 500 400 Ambient Temperature, (°C) 600 700 800 900 1000 Forward Voltage, (mV) Fig.3 - Reverse Characteristics Fig.4 - Capacitance Characteristics 100 75 Capacitance Between Terminals, (pF) Pulsed Zener Current, (mA) 80 60 40 20 0 Ta=25°C f=1MHZ 60 45 30 15 0 5 6 7 8 9 Zener Voltage, ( V ) 10 11 12 0 0.9 1.8 2.7 3.6 4.5 6.3 7.2 8.1 Reverse Voltage, (V) Company reserves the right to improve product design , functions and reliability without notice. QW-BZ018 5.4 REV:G Page 3 SMD Zener Diode Reel Taping Specification d P0 P1 T E Index hole F W B C P A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed SOD-123 SOD-123 SYMBOL A B C d D D1 D2 (mm) 1.85 ± 0.10 3.94 ± 0.10 1.57 ± 0.10 1.55 + 0.10 178 ± 1.00 54.40 ± 0.40 13.0 ± 0.20 (inch) 0.073 ± 0.004 0.155 ± 0.004 0.062 ± 0.004 0.061 + 0.004 7.008 ± 0.039 2.142 ± 0.016 0.512 ± 0.008 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 3.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 8.00+0.30/-0.10 9.50 ± 1.00 (inch) 0.069 ± 0.004 0.138± 0.002 0.158 ± 0.004 0.158 ± 0.004 0.079 ± 0.004 0.315+0.012/-0.004 0.374 ± 0.039 Company reserves the right to improve product design , functions and reliability without notice. QW-BZ018 REV:G Page 4 Comchip Technology CO., LTD. SMD Zener Diode Marking Code Part Number Marking Code CZRW5223B-G ~ CZRW5256B-G XX XX Product type marking code (see page.2) Suggested PAD Layout SOD-123 SIZE (mm) (inch) A 3.35 0.132 B 0.80 0.031 C 1.00 0.039 D 4.15 0.163 E 2.55 0.100 D A E C B Standard Packaging REEL PACK Case Type SOD-123 REEL Reel Size ( pcs ) (inch) 3,000 7 Company reserves the right to improve product design , functions and reliability without notice. QW-BZ018 REV:G Page 5 Comchip Technology CO., LTD.