SMD Zener Diode CZRT5222B-HF Thru. CZRT5256B-HF Voltage: 2.5 to 30 Volts Power: 300 mWatts RoHS Device Halogen Free SOT-23 Features 0.118(3.00) - Planar die construction. 0.110(2.80) 3 - 300mW power dissipation on FR-4 PCB. 0.055(1.40) - Ideally suited for automated assembly 0.047(1.20) process. 1 2 0.079(2.00) - General purpose, medium current. 0.071(1.80) 0.006(0.15) 0.003(0.08) Mechanical data 0.041(1.05) 0.100(2.55) 0.035(0.90) 0.089(2.25) - Case: SOT-23 , Molded plastic. - Terminals: Solderable per MIL-STD- 0.004(0.10) max 202G,method 208. 0.020(0.50) 0.020(0.50) 0.012(0.30) 0.012(0.30) - Polarity: See diagram below. - 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=25C unless otherwise noted) Value Parameter Symbol Unit Forward voltage IF=10mA VF 0.9 V Power dissipation PD 300 mW Thermal resistance, junction to ambient air R JA 417 C/W Operating and storage temperature range TJ, TSTG -65 to +150 C Company reserves the right to improve product design , functions and reliability without notice. REV:B QW-JZ002 Page 1 Comchip Technology CO., LTD.SMD Zener Diode Electrical Characteristics ( Ta = 25C unless otherwise specified) Operating Rising Operating Zener Voltage Reverse Current Resistance Resistance Marking Part Number VZ(V) IZT ZZT(Ohm) ZZK(Ohm) IR(uA) 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 K E3 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 K F3 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 K H4 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 2 CZRT5247B-HF 16.15 17 17.85 19 7.4 600 0.25 0.1 13 KJ 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 QW-JZ002 Page 2 Comchip Technology CO., LTD.