UNISONIC TECHNOLOGIES CO., LTD UMMSZ52XXB ZENER DIODE SURFACE MOUNT SILICON ZENER DIODE 3 1 2 1 1 2 2 SOD-323 SOD-523 FEATURES 2 1 LL-34 SYMBOL SOD-123 / SOD-323 SOD-523 / LL34 SOT-23 SOD-123 (JEDEC TO-236) * Low reverse leakage current 2 SOT-23 DESCRIPTION The UTC UMMSZ52XXB is a surface mount silicon zener diode, it uses UTC’s advanced technology to provide customers with low reverse leakage current, etc. The UTC UMMSZ52XXB is suitable for automated assembly processes. 1 ORDERING INFORMATION Ordering Number UMMSZ52XXBG-AE3-R UMMSZ52XXBG-CA2-R UMMSZ52XXBG-CB2-R UMMSZ52XXBG-CC2-R UMMSZ52XXB-LL34-R Note: Pin Assignment: A: Anode K: Cathode UMMSZ52XXBG-AE3-R (1)Packing Type (2)Package Type Package SOT-23 SOD-123 SOD-323 SOD-523 LL-34 Pin Assignment 1 2 3 NC A K A K A K A K A K - Packing Tape Reel Tape Reel Tape Reel Tape Reel Tape Reel (1) R: Tape Reel (2) AE3: SOT-23, CA2 : SOD-123, CB2: SOD-323 CC2: SOD-523, LL34: LL-34 (3)Green Package (3) G: Halogen Free and Lead Free, L: Lead Free (4)Output Voltage (4) refer to ELECTRICAL CHARACTERISTICS www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 4 QW-R601-085.H UMMSZ52XXB ZENER DIODE MARKING INFORMATION PACKAGE SOT-23 SOD-123 SOD-323 SOD-523 VOLTAGE CODE 3.9: 3.9V 5.1: 5.1V 5.6: 5.6V 6.2: 6 . 2 V 7.5: 7.5V 8.2: 8.2V 11: 11V 13: 13V 15:15V 16: 16V 18: 18V 20: 20V 22: 22V 27: 27V 33: 33V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MARKING Voltage Code XXXBG 2 of 4 QW-R601-085.H UMMSZ52XXB ZENER DIODE ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Peak Forward Surge Current, 8.3ms Single Half IFSM 4.0 A Sine-Wave Superimposed on Rated Load (Note 2) SOD-123/LL-34 500 SOD-323 330 Power Dissipation at 75°C (Note 1) PD mW SOD-523 250 SOT-23 200 Operating Junction Temperature TJ -55~+150 °C Note: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. Mounted on 5.0mm2 (.013mm thick) land areas. 3. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle=4 pulses per minute maximum. ELECTRICAL CHARACTERISTICS (VF = 1.2V Max @ IF = 100mA for all types.) Device Marking Code UMMSZ5228B UMMSZ5231B UMMSZ5232B UMMSZ5234B UMMSZ5236B UMMSZ5237B UMMSZ5241B UMMSZ5243B UMMSZ5245B UMMSZ5246B UMMSZ5248B UMMSZ5250B UMMSZ5251B UMMSZ5254B UMMSZ5257B 3.9 5.1 5.6 6.2 7.5 8.2 11 13 15 16 18 20 22 27 33 Nominal Zener Voltage VZ @ IZT (V) MIN TYP MAX 3.71 3.9 4.1 4.85 5.1 5.36 5.32 5.6 5.88 5.89 6.2 6.51 7.13 7.5 7.88 7.79 8.2 8.61 10.45 11 11.55 12.35 13 13.65 14.25 15 15.75 15.2 16 16.8 17.1 18 18.9 19 20 21 20.9 22 23.1 25.65 27 28.35 31.35 33 34.65 Reverse Leakage Zener Current Current ZZT @ IZT ZZK @ IZK IR @ VR IZM @ TA Max (Ω) IZ(mA) Max (Ω) IZ(mA) Max (µA) @VR (V) mA 23 20 1900 0.25 10 1.0 115 17 20 1600 0.25 5.0 2.0 89 11 20 1600 0.25 5.0 3.0 81 7 20 1000 0.25 5.0 4.0 73 6.0 20 500 0.25 3.0 6.0 61 8 20 500 0.25 3.0 6.0 55 22 20 600 0.25 2 8.4 41 13 9.5 600 0.25 1.0 9.9 35 16 8.5 600 0.25 0.5 11 30 17 7.8 600 0.25 0.1 12 28 21 7 600 0.25 0.1 14 25 25 6.2 600 0.25 0.1 15 23 29 5.6 600 0.25 0.1 17 21 41 5 600 0.25 0.1 21 16.8 58 3.8 700 0.25 0.1 25 13.8 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw Zener Impedance 3 of 4 QW-R601-085.H UMMSZ52XXB ZENER DIODE TYPICAL CHARACTERISTICS Reverse Current, IR (mA) Forward Current, IF (mA) Power Dissipation, PD (mW) UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R601-085.H