MMSZ4x Series SURFACE MOUNT ZENER DIODE REVERSE VOLTAGE - 1.8 to 43 Volts POWER DISSIPATION - 0.5 Watts FEATURES SOD-123 * Planar die construction * 500mW power dissipation rating * Ultra-small surface mount package SOD-123 MECHANICAL DATA * Case: SOD-123 Plastic * Case Material: "Green" molding compound, UL flammability classification 94V-0, (No Br. Sb. CI) * Moisture Sensitivity: Level 1 per J-STD-020D * Lead Free in RoHS 2002/95/EC Compliant Dim. Min. Max. A 3.55 3.85 B 1.50 1.70 C 2.60 2.80 D 0.45 0.65 E 0.08 0.15 F 0.25 0.45 G 1.05 1.25 H 0.00 0.10 Dimensions in millimeter Maximum Ratings & Thermal Characteristics @ TA = 25 unless otherwise specified Characteristic Forward Voltage @IF=10mA Power Dissipation Thermal Resistance, Junction to Ambient Operating Temperature Range Storage Temperature Range Symbol Value Unit VF 0.9 V PD 500 mW RJA 357 /W TJ 150 TSTG -65~+150 Device Marking : Device P/N MMSZ4678 Marking XXX=Specific device code (See below table) Pin Diagram Electrical Characteristics @ TA = 25 unless otherwise specified Symbol VZ IZT ZZT IZK ZZK IR VR IF VF Parameter Reverse Zener Voltage @ IZT Reverse Current Maximum Zener Impedance @ IZT Reverse Current Maximum Zener Impedance @ IZK Reverse Leakage Current @ VR Reverse Voltage Forward Current Forward Voltage @ IF Equivalent Circuit Diagram Maximum Reverse Current Zener Voltage Device Device marking VZ@IZT IZT IR @VR Nom Min Max uA uA V MMSZ4678 CC 1.8 1.71 1.89 50 7.5 1.0 MMSZ4679 CD 2.0 1.90 2.10 50 5.0 1.0 MMSZ4680 CE 2.2 2.09 2.31 50 4.0 1.0 MMSZ4681 CF 2.4 2.28 2.52 50 2.0 1.0 MMSZ4682 CH 2.7 2.57 2.84 50 1.0 1.0 MMSZ4683 CJ 3.0 2.85 3.15 50 0.8 1.0 MMSZ4684 CK 3.3 3.14 3.47 50 7.5 1.5 MMSZ4685 CM 3.6 3.42 3.78 50 7.5 2.0 MMSZ4686 CN 3.9 3.71 4.10 50 5.0 2.0 MMSZ4687 CP 4.3 4.09 4.52 50 4.0 2.0 MMSZ4688 CT 4.7 4.47 4.94 50 10.0 3.0 MMSZ4689 CU 5.1 4.85 5.36 50 10.0 3.0 MMSZ4690 CV 5.6 5.32 5.88 50 10.0 4.0 MMSZ4691 CA 6.2 5.89 6.51 50 10.0 5.0 MMSZ4692 CX 6.8 6.46 7.14 50 10.0 5.1 MMSZ4693 CY 7.5 7.13 7.88 50 10.0 5.7 MMSZ4694 CZ 8.2 7.79 8.61 50 1.0 6.2 MMSZ4695 DC 8.7 8.27 9.14 50 1.0 6.6 MMSZ4696 DD 9.1 8.65 9.56 50 1.0 6.9 MMSZ4697 DE 10 9.50 10.50 50 1.0 7.6 MMSZ4698 DF 11 10.45 11.55 50 0.05 8.4 MMSZ4699 DH 12 11.40 12.60 50 0.05 9.1 MMSZ4700 DJ 13 12.35 13.65 50 0.05 9.8 MMSZ4701 DK 14 13.30 14.70 50 0.05 10.6 MMSZ4702 DM 15 14.25 15.75 50 0.05 11.4 MMSZ4703 DN 16 15.20 16.80 50 0.05 12.1 MMSZ4704 DP 17 16.15 17.85 50 0.05 12.9 MMSZ4705 DT 18 17.10 18.90 50 0.05 13.6 MMSZ4706 DU 19 18.05 19.95 50 0.05 14.4 MMSZ4707 DV 20 19.00 21.00 50 0.01 15.2 MMSZ4708 DA 22 20.90 23.10 50 0.01 16.7 MMSZ4709 DX 24 22.80 25.20 50 0.01 18.2 MMSZ4710 DY 25 23.75 26.25 50 0.01 19.0 MMSZ4711 EA 27 25.65 28.35 50 0.01 20.4 MMSZ4712 EC 28 26.60 29.40 50 0.01 21.2 MMSZ4713 ED 30 28.50 31.50 50 0.01 22.8 MMSZ4714 EE 33 31.35 34.65 50 0.01 25.0 MMSZ4715 EF 36 34.20 37.80 50 0.01 27.3 MMSZ4716 EH 39 37.05 40.95 50 0.01 29.6 MMSZ4717 EJ 43 40.85 45.15 50 0.01 32.6 REV. 3, Apr-2011, KSIR11 Notes: 1. Nominal Zener voltage is measured with the device junction in thermal equilibrium at TL = 30C 1C. MMSZ4x Series Typical Characteristics Fig.1 Power Derating Curve Fig.2 Typical Capacitance Fig.3 Zener Voltage versus Zener Current(VZ Up to 12 V) Fig.4 Zener Voltage versus Zener Current(VZ Up to 43 V) Fig.5 Typical Leakage Current Legal Disclaimer Notice MMSZ4x Series Important Notice and Disclaimer LSC reserves the right to make changes to this document and its products and specifications at any time without notice. Customers should obtain and confirm the latest product information and specifications before final design, purchase or use. LSC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does LSC assume any liability for application assistance or customer product design. LSC does not warrant or accept any liability with products which are purchased or used for any unintended or unauthorized application. No license is granted by implication or otherwise under any intellectual property rights of LSC. LSC products are not authorized for use as critical components in life support devices or systems without express written approval of LSC.