omponents 2736 Marilla Street Chatsworth!"# $%!"# MMSZ4678 THRU MMSZ476 Features Zener Voltage.8V-39V Very Sharp Reverse Characteristic VZ tolerance ± 5% High Reliability Epoxy meets UL 94 V- flammability rating Moisture Sensitivity Level Mechanical Data Halogen free available upon request by adding suffix "-HF" Polarity: Cathode indicated by polarity band Lead Free Finish/RoHS Compliant ("P" Suffix designates RoHS Compliant. See ordering information) Maximum Ratings C 5mW Silicon Zener Diodes SOD-23 A B E Symbol Value Units Max. Steady State Power Dissipation at P D 5 mw T L <75 O C, Lead Length=3/8 Junction Temperature T J 5 Storage Temperature Range T STG -55 to5 Thermal Resistance( Junction to Ambient) R thja 34 K/W Electrical Characteristics @ 25 C Unless Otherwise Specified Symbol Maximum Unit Max. Forward Voltage @ I F =ma V F.95 V H G DIM DIMENSIONS INCHES MM MIN MAX MIN MAX A.4.52 3.55 3.85 B..2 2.55 2.85 C.55.7.4.8 D -----.53 -----.35 E.2.3.3.78 G.6 -----.5 ----- H -----. -----.25 J -----.6 -----.5 D SUGGESTED SOLDER PAD LAYOUT J NOTE.93.48.36 Revision: C 24/8/7 of 5
MMSZ4678 thru MMSZ476 Electrical Characteristics (TL= 3 O C Unless Otherwise Noted, VF=.95V Max @ IF=mA for all types) Zener Voltage Leakage Current Vz(Volts) @I ZT I R @V R Min Nom Max u A u A Volts Marking MMSZ4678.7.8.89 5 7.5. CC MMSZ4679.9 2. 2. 5 5.. CD MMSZ468 2.9 2.2 2.3 5 5.. CE MMSZ468 2.28 2.4 2.52 5 2.. CF MMSZ4682 2.565 2.7 2.835 5.. CH MMSZ4683 2.85 3. 3.5 5.8. CJ MMSZ4684 3.35 3.3 3.465 5 7.5.5 CK MMSZ4685 3.42 3.6 3.78 5 7.5 2. CM MMSZ4686 3.75 3.9 4.95 5 5. 2. CN MMSZ4687 4.85 4.3 4.55 5 4. 2. CP MMSZ4688 4.465 4.7 4.935 5 3. CT MMSZ4689 4.845 5. 5.355 5 3. CU MMSZ469 5.32 5.6 5.88 5 4. CV MMSZ469 5.89 6.2 6.5 5 5. CA MMSZ4692 6.46 6.8 7.4 5 5. CX MMSZ4693 7.25 7.5 7.875 5 5.7 CY MMSZ4694 7.79 8.2 8.6 5 6.2 CZ MMSZ4695 8.265 8.7 9.35 5 6.6 DC MMSZ4696 8.645 9. 9.555 5 6.9 DD MMSZ4697 9.5.5 5 7.6 DE MMSZ4698.45.55 5.5 8.4 DF MMSZ4699.4 2 2.6 5.5 9. DH MMSZ47 2.35 3 3.65 5.5 9.8 DJ MMSZ47 3.3 4 4.7 5.5.6 DK MMSZ472 4.25 5 5.75 5.5.4 DM MMSZ473 5.2 6 6.8 5.5 2. DN MMSZ474 6.5 7 7.85 5.5 2.9 DP MMSZ475 7. 8 8.9 5.5 3.6 DT MMSZ476 8.5 9 9.95 5.5 4.4 DU MMSZ477 9. 2 2 5. 5.2 DV MMSZ478 2.9 22 23. 5. 6.7 DA MMSZ479 22.8 24 25.2 5. 8.2 DX MMSZ47 23.75 25 26.25 5. 9. DY MMSZ47 25.65 27 28.35 5. 2.4 EA MMSZ472 26.6 28 29.4 5. 2.2 EC MMSZ473 28.5 3 3.5 5. 22.8 ED MMSZ474 3.35 33 34.65 5. 25. EF MMSZ475 34.2 36 37.8 5. 27.3 EF MMSZ476 37.5 39 4.95 5. 29.6 EH Revision: C 2 of 5 24/8/7
MMSZ4678 thru MMSZ476 TYPICAL CHARACTERISTICS, TEMPERATURE COEFFICIENT (mv/ C) VZ θ 8 7 6 5 4 3 2 2 3 2 TYPICAL T C VALUES V Z @ I ZT 3 4 5 6 7 8 9 2 VZ, TEMPERATURE COEFFICIENT (mv/ C) θ TYPICAL T C VALUES V Z @ I ZT Figure. Temperature Coefficients (Temperature Range 55 C to +5 C) Figure 2. Temperature Coefficients (Temperature Range 55 C to +5 C).2 P D, POWER DISSIPATION (WATTS)..8.6.4.2 P D versus T A 25 P D versus T L 5 75 T, TEMPERATURE (5C) 25 5 P pk, PEAK SURGE POWER (WATTS). RECTANGULAR WAVEFORM, T A = 25 C PW, PULSE WIDTH (ms) Figure 3. Steady State Power Derating Figure 4. Maximum Nonrepetitive Surge Power Z ZT, DYNAMIC IMPEDANCE ( Ω ) I Z = ma 5 ma 2 ma T J = 25 C I Z(AC) =. I Z(DC) f = khz I F, FORWARD CURRENT (ma) 75 V 9 V V Z, NOMINAL ZENER VOLTAGE. 5 C 75 C 25 C C.4.5.6.7.8.9 V F, FORWARD VOLTAGE (V)...2 Figure 5. Effect of Zener Voltage on Zener Impedance 3 of 5 Figure 6. Typical Forward Voltage Revision: C 24/8/7
MMSZ4678 thru MMSZ476 TYPICAL CHARACTERISTICS C, CAPACITANCE (pf) V BIAS V BIAS BIAS AT 5% OF V Z NOM T A = 25 C I R, LEAKAGE CURRENT ( µ A)... +5 C + 25 C. 55 C. 2 3 4 5 6 7 8 9 Figure 7. Typical Capacitance Figure 8. Typical Leakage Current 8 T A = 25 C I Z, ZENER CURRENT (ua) 6 4 2 I Z, ZENER CURRENT (ua) 2 3 4 5 V Z, ZENER VOLTAGE (V) 2 4 6 8 2 VZ, ZENER VOLTAGE (V) T A = 25 C Figure 9. Zener Voltage versus Zener Current (VZ Up to 2 V) Figure. Zener Voltage versus Zener Current (2 V to 39 V) 4 of 5 Revision: C 24/8/7
Ordering Information : Part Number-TP Packing Tape&Reel: 3Kpcs/Reel Note : Adding "-HF" suffix for halogen free, eg. Part Number-TP-HF ***IMPORTANT NOTICE*** Corp. reserves the right to make changes without further notice to any product herein to make corrections, modifications, enhancements, improvements, or other changes. Corp. does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights,nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Corp. and all the companies whose products are represented on our website, harmless against all damages. ***LIFE SUPPORT*** 's products are not authorized for use as critical components in life support devices or systems without the express written approval of Corporation. ***CUSTOMER AWARENESS*** Counterfeiting of semiconductor parts is a growing problem in the industry. () is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. strongly encourages customers to purchase parts either directly from or from Authorized Distributors who are listed by country on our web page cited below. Products customers buy either from directly or from Authorized Distributors are genuine parts, have full traceability, meet 's quality standards for handling and storage. will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. 5 of 5 Revision: C 24/8/7 3