SMD Zener Diode CZRQC52C2V4-HF Voltage 2.4 Volts Power 125 mW RoHS Device Halogen Free 0402C/SOD-923F Features 0.041(1.05) 0.037(0.95) - Designed for mounting on small surface. - Extremely thin/leadless package. 0.026(0.65) 0.022(0.55) Mechanical data - Case: 0402C/SOD-923F standard package. Molded plastic. 0.022(0.55) 0.018(0.45) - Terminals: Matte tin plated, solderable per MIL-STD-750,method 2026. 0.010(0.25) 0.008(0.21) - Polarity: Indicated by cathode band. 0.001(0.02) Max. - Weight: 0.001 grams(approx.). Circuit diagram 0.020(0.50) 0.018(0.46) Dimensions in inches and (millimeter) Maximum Rating (at TA=25°C unless otherwise noted) Symbol Value Unit Maximum Forward Voltage Drop at IF = 10 mA VF 0.9 V Maximum Power Dissipation at 25 °C PD 125 mW IFSM 2.0 A TJ -55 to +125 °C Tstg -55 to +125 °C Parameter Forward current , surge peak 8.3 ms single half sine-wave superimposed on rate load( JEDEC method ) Operating Temperature Range Storage Temperature Range Electrical Characteristics (at TA=25°C unless otherwise noted) Part Number CZRQC52C2V4-HF Zener Voltage Operating resistance Rising operating Resistance Reverse current VZ(V) ZZT(Ohm) ZZK(Ohm) IR(uA) Marking Code Z2 Min Typ Max IZ (mA) Max IZ (mA) Max IZ (mA) Max VR (V) 2.28 2.40 2.52 5 85 5 600 1 100 1 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G2014 Page 1 Comchip Technology CO., LTD. SMD Zener Diode RATING AND CHARACTERISTIC CURVES (CZRQC52C2V4-HF) Fig.2 - Zener Voltage Versus Zener Current Fig.1- Typle Forward Voltage Zener Current, (mA) 100 °C TA= 25 °C 75 50 TA= TA= 1 0 °C 0°C 10 TA= 12 5°C 10 TA= Forward Current, (mA) 100 O TA =25 C 10 1 0.1 0.01 0.4 0.6 0.5 0.8 0.7 0.9 0 1 2 3 4 5 6 Zener Voltage, ( V ) Forward Voltage, (V) Fig.3 - Steady State Power Derating Power Dissipation, (mW) 400 300 200 100 0 0 25 50 75 100 125 150 Temperature, (°C) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G2014 Page 2 Comchip Technology CO., LTD. SMD Zener Diode Reel Taping Specification d P0 P1 T E Index hole F W B P C A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 160mm (min) Start 400mm (min) Direction of Feed 0402C (SOD-923F) 0402C (SOD-923F) SYMBOL A B C d D D1 D2 (mm) 0.75 ± 0.05 1.17 ± 0.05 0.65 ± 0.05 1.50 + 0.10 - 0 178.00 ± 1.00 60.00 ± 0.50 13.50 ± 0.20 (inch) 0.030 ± 0.002 0.046 ± 0.002 0.026 ± 0.002 0.059 + 0.004 - 0 7.008 ± 0.039 2.362 ± 0.020 0.531 ± 0.008 SYMBOL E F P P0 P1 T W W1 (mm) 1.75 ± 0.10 3.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.20 + 0.02 - 0.05 8.00 ± 0.20 12.00 + 0.50 - 0 (inch) 0.069 ± 0.004 0.138 ± 0.004 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.008 + 0.001 - 0.002 0.315 ± 0.008 0.472 + 0.020 - 0 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G2014 Page 3 Comchip Technology CO., LTD. SMD Zener Diode Marking Code Part Number Marking Code CZRQC52C2V4-HF Z2 Z2 Suggested PAD Layout 0402C/SOD-923F SIZE (mm) (inch) A 0.70 0.028 B 0.40 0.016 C 0.70 0.028 D 1.10 0.043 E 0.30 0.012 D A E C B Standard Packaging REEL PACK Case Type 0402C/SOD-923F REEL Reel Size ( pcs ) (inch) 5,000 7 Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-G2014 Page 4 Comchip Technology CO., LTD.