SMD Zener Diode CZRT5222B-HF Thru. CZRT5256B-HF Voltage: 2.5 to 30 Volts Power: 300 mWatts RoHS Device Halogen Free SOT-23 Features - Planar die construction. 0.118(3.00) 0.110(2.80) 3 - 300mW power dissipation on FR-4 PCB. 0.055(1.40) 0.047(1.20) - Ideally suited for automated assembly process. 1 2 0.079(2.00) 0.071(1.80) - General purpose, medium current. 0.006(0.15) 0.003(0.08) Mechanical data 0.041(1.05) 0.035(0.90) - Case: SOT-23, Molded plastic. 0.100(2.55) 0.089(2.25) - Terminals: Solderable per MIL-STD202G,method 208. 0.004(0.10) max 0.020(0.50) 0.012(0.30) - Polarity: See diagram below. 0.020(0.50) 0.012(0.30) - Mounting position: Any - Marking: see table on page2. Dimensions in inches and (millimeter) - Weight: 0.0078 gram(approx.). 3 1 2 Maximum Ratings (at Ta=25°C unless otherwise noted) Symbol Value Unit VF 0.9 V PD 300 mW Thermal resistance, junction to ambient air RθJA 417 °C/W Operating and storage temperature range TJ, TSTG -65 to +150 °C Parameter Forward voltage @IF=10mA Power dissipation Company reserves the right to improve product design , functions and reliability without notice. REV:B Page 1 QW-JZ002 Comchip Technology CO., LTD. SMD Zener Diode Electrical Characteristics (@Ta = 25°C unless otherwise specified) Part Number Zener Voltage Operating Resistance Rising Operating Resistance Reverse Current VZ(V)@IZT ZZT(Ohm) ZZK(Ohm) IR(uA) Marking Code Min. Nom. Max. Max. IZT(mA) Max. IZK(mA) Max. VR(V) CZRT5222B-HF 2.38 2.5 2.63 30 20.0 1250 0.25 100 1.0 KC2 CZRT5223B-HF 2.57 2.7 2.84 30 20.0 1300 0.25 75 1.0 KC3 CZRT5225B-HF 2.85 3.0 3.15 30 20.0 1600 0.25 50 1.0 KC5 CZRT5226B-HF 3.14 3.3 3.47 28 20.0 1600 0.25 25 1.0 KG1 CZRT5227B-HF 3.42 3.6 3.78 24 20.0 1700 0.25 15 1.0 KG2 CZRT5228B-HF 3.71 3.9 4.10 23 20.0 1900 0.25 10 1.0 KG3 CZRT5229B-HF 4.09 4.3 4.52 22 20.0 2000 0.25 5.0 1.0 KG4 CZRT5230B-HF 4.47 4.7 4.94 19 20.0 1900 0.25 5.0 2.0 KG5 CZRT5231B-HF 4.85 5.1 5.36 17 20.0 1600 0.25 5.0 2.0 KE1 CZRT5232B-HF 5.32 5.6 5.88 11 20.0 1600 0.25 5.0 3.0 KE2 CZRT5233B-HF 5.70 6.0 6.30 7 20.0 1600 0.25 5.0 3.5 KE3 CZRT5234B-HF 5.89 6.2 6.51 7 20.0 1000 0.25 5.0 4.0 KE4 CZRT5235B-HF 6.46 6.8 7.14 5 20.0 750 0.25 3.0 5.0 KE5 CZRT5236B-HF 7.13 7.5 7.88 6 20.0 500 0.25 3.0 6.0 KF1 CZRT5237B-HF 7.79 8.2 8.61 8 20.0 500 0.25 3.0 6.5 KF2 CZRT5238B-HF 8.27 8.7 9.14 8 20.0 600 0.25 3.0 6.5 KF3 CZRT5239B-HF 8.65 9.1 9.56 10 20.0 600 0.25 3.0 7.0 KF4 CZRT5240B-HF 9.50 10 10.50 17 20.0 600 0.25 3.0 8.0 KF5 CZRT5241B-HF 10.45 11 11.55 22 20.0 600 0.25 2.0 8.4 KH1 CZRT5242B-HF 11.40 12 12.60 30 20.0 600 0.25 1.0 9.1 KH2 CZRT5243B-HF 12.35 13 13.65 13 9.5 600 0.25 0.5 9.9 KH3 CZRT5244B-HF 13.30 14 14.70 15 9.0 600 0.25 0.1 10 KH4 CZRT5245B-HF 14.25 15 15.75 16 8.5 600 0.25 0.1 11 KH5 CZRT5246B-HF 15.20 16 16.80 17 7.8 600 0.25 0.1 12 KJ1 CZRT5247B-HF 16.15 17 17.85 19 7.4 600 0.25 0.1 13 KJ2 CZRT5248B-HF 17.10 18 18.90 21 7.0 600 0.25 0.1 14 KJ3 CZRT5249B-HF 18.05 19 19.95 23 6.6 600 0.25 0.1 14 KJ2 CZRT5250B-HF 19.00 20 21.00 25 6.2 600 0.25 0.1 15 KJ5 CZRT5251B-HF 20.90 22 23.10 29 5.6 600 0.25 0.1 17 KK1 CZRT5252B-HF 22.80 24 25.20 33 5.2 600 0.25 0.1 18 KK2 CZRT5253B-HF 23.75 25 26.25 35 5.0 600 0.25 0.1 19 KK3 CZRT5254B-HF 25.65 27 28.35 41 5.0 600 0.25 0.1 21 KK4 CZRT5255B-HF 26.60 28 29.40 44 4.5 600 0.25 0.1 21 KK5 CZRT5256B-HF 28.50 30 31.50 49 4.2 600 0.25 0.1 23 KM1 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. REV:B Page 2 QW-JZ002 Comchip Technology CO., LTD. SMD Zener Diode RATING AND CHARACTERISTIC CURVES (CZRT5222B-HF Thru CZRT5256B-HF) Fig.1- Power Derating Curve Fig.2- Maximum Non-repetitive Surge Power 100 PPK, Peak Surge Power, (W) Pd, Power Dissipation, (mW) 400 300 200 100 10 0 1 0 100 200 0 100 1000 Normal zener voltage, (V) Fig.3- Zener Voltage vs Zener Impedence Fig.4- Total Capacitance vs Nominal Zener Voltage 1000 IZ 100 CT, Total Capacitance, (pF) 1000 Dynamic Zener Impedance, ( Ω ) 10 TA , Ambient Temperature, (°C) = 1.0mA 10 1 TJ = 25°C VR= 1V 100 VR= 2V 10 1 10 0 100 10 100 Vz,Nominal Zener Voltage, (V) Vz,Nominal Zener Voltage, (V) Fig.5- Zener Breakdown Characteristics Fig.6- Zener Breakdown Characterisitcs 50 30 O O TJ=25 C TJ=25 C 10 5V6 12 IZ, Zener Curren, (mA) IZ, Zener Current, (mA) 6V8 40 5V2 30 20 Nominal Zener Voltage 15 20 18 Test current 22 10 27 10 30 Test current IZ=20mA 0 0 0 1 2 3 4 5 6 7 8 9 10 0 VZ, Zener Voltage, (V) 10 20 30 40 VZ, Zener Voltage, (V) REV:B Page 3 QW-JZ002 Comchip Technology CO., LTD. SMD Zener Diode Reel Taping Specification P1 d T F E P0 B W C A P 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 Φ1.50 ± 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 Φ0.059 ± 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 ± 1.00 (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 REV:B Page 4 QW-JZ002 Comchip Technology CO., LTD. SMD Zener Diode Marking Code Marking Code Part Number CZRT5222B-HF ~ CZRT5256B-HF XXX XXX Product type marking code (see page.2) Suggested PAD Layout SOT-23 SIZE (mm) (inch) A 0.80 0.031 B 1.90 0.075 C 2.02 0.080 D 2.82 0.111 A C D B Standard Packaging REEL PACK Case Type SOT-23 REEL Reel Size ( pcs ) (inch) 3,000 7 REV:B Page 5 QW-JZ002 Comchip Technology CO., LTD.