Pb
RoHS
COMPLIANCE
RoHS
COMPLIANCE
MMSZ5221B - MMSZ5263B
500mW Surface Mount Flat Lead
Zener Voltage
SOD-123F
Features
Wide zener voltage range selection,
2.4V to 56v
VZ tolerance selection of ±5%
Flat lead SOD-123 plastic package
Surface device type mounting
Moisture sensitivity level 1
Clip bonding construction, good thermal
capability
RoHS compliant
Matte Tin (Sn) lead finish
Band indicates cathode
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25OC ambient temperature unless otherwise specified.
Maximum Ratings
Type Number Symbol Value Units
Power Dissipation Pd 500 mW
Operating and Storage Temperature Range TJ, TSTG -65 to + 150 OC
These ratings are limiting value above which the serviceability of the diode may be impaired
Version: A07
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted)
Device
Device Marking IZT ZZK @ IZK
(Note 1) Code ZZT @ IZT = 0.25mA
Nom (V) Min (V) Max (V) mA Ohms Ohms uA Volts
MMSZ5221B Z2V4 2.4 2.28 2.52 20 30 1200 100 1.0
MMSZ5222B Z2V5 2.5 2.38 2.63 20 30 1250 100 1.0
MMSZ5223B Z2V7 2.7 2.57 2.84 20 30 1300 75 1.0
MMSZ5224B Z2V8 2.8 2.66 2.94 20 30 1400 75 1.0
MMSZ5225B Z3V0 3.0 2.85 3.15 20 30 1600 50 1.0
MMSZ5226B Z3V3 3.3 3.14 3.47 20 28 1600 25 1.0
MMSZ5227B Z3V6 3.6 3.42 3.78 20 24 1700 15 1.0
MMSZ5228B Z3V9 3.9 3.71 4.10 20 23 1900 10 1.0
MMSZ5229B Z4V3 4.3 4.09 4.52 20 22 2000 5.0 1.0
MMSZ5230B Z4V7 4.7 4.47 4.94 20 19 1900 5.0 2.0
MMSZ5231B Z5V1 5.1 4.85 5.36 20 17 1600 5.0 2.0
MMSZ5232B Z5V6 5.6 5.32 5.88 20 11 1600 5.0 3.0
MMSZ5233B Z6V0 6.0 5.70 6.30 20 7 16900 5.0 3.5
MMSZ5234B Z6V2 6.2 5.89 6.51 20 7 1000 5.0 4.0
MMSZ5235B Z6V8 6.8 6.46 7.14 20 5 750 3.0 5.0
MMSZ5236B Z7V5 7.5 7.13 7.88 20 6 500 3.0 6.0
MMSZ5237B Z8V2 8.2 7.79 8.61 20 8 500 3.0 6.5
MMSZ5238B Z8V7 8.7 8.27 9.14 20 8 600 3.0 6.5
MMSZ5239B Z9V1 9.1 8.65 9.56 20 10 600 3.0 7.0
MMSZ5240B Z10V 10 9.50 10.50 20 17 600 3.0 8.0
MMSZ5241B Z11V 11 10.45 11.55 20 22 600 2.0 8.4
MMSZ5242B Z12V 12 11.40 12.60 20 30 600 1.0 9.1
MMSZ5243B Z13V 13 12.35 13.65 9.5 13 600 0.5 9.9
MMSZ5244B Z14V 14 13.30 14.70 9.0 15 600 0.1 10.0
MMSZ5245B Z15V 15 14.25 15.75 8.5 16 600 0.1 11
MMSZ5246B Z16V 16 15.20 16.80 7.8 17 600 0.1 12
MMSZ5247B Z17V 16 1.04 17.85 7.4 19 600 0.1 13
MMSZ5248B Z18V 18 17.10 18.90 7.0 21 600 0.1 14
MMSZ5249B Z19V 19 18.05 19.95 6.6 23 600 0.1 14
MMSZ5250B Z20V 20 19.00 21.00 6.2 25 600 0.1 15
MMSZ5251B Z22V 22 20.90 23.10 5.6 29 600 0.1 17
MMSZ5252B Z24V 24 22.80 25.20 5.2 33 600 0.1 18
MMSZ5253B Z25V 25 23.75 26.25 5.0 35 600 0.1 19
Version: A07
Vz @ Izt Leakage Current
IR @ VR
Maximum Zener
Zener Voltage Range (Note 2) Impedance Maximum Reverse
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted)
Device
Device Marking IZT ZZK @ IZK
(Note 1) Code ZZT @ IZT = 0.25mA
Nom (V) Min (V) Max (V) mA Ohms Ohms uA Volts
MMSZ5254B Z27V 27 25.65 28.35 5.0 41 600 0.1 21
MMSZ5255B Z28V 28 26.60 29.40 4.5 44 600 0.1 21
MMSZ5256B Z30V 30 28.50 31.50 4.2 49 600 0.1 23
MMSZ5157B Z33V 33 31.35 34.65 3.8 58 700 0.1 25
MMSZ5258B Z36V 36 34.20 37.80 3.4 70 700 0.1 27
MMSZ5259B Z39V 39 37.05 40.95 3.2 80 800 0.1 30
MMSZ5260B Z43V 43 40.85 45.15 3.0 93 900 0.1 33
MMSZ5261B Z47V 47 44.65 49.35 2.7 105 1000 0.1 36
MMSZ5262B Z51V 51 48.45 53.55 2.5 125 1100 0.1 39
MMSZ5263B Z56V 56 53.20 58.80 2.2 150 1300 0.1 43
VF Forward Voltage=900mV Maximum @ IF=10mA for all types
Notes: 1. The zener voltage (VZ) is tested under pulse condiciton of 15mS. The measured VZ
is guaranteed to be within specification with device junction in thermal equilibrium.
2. The device numbers listed have a standard tolerance on the nominal zener
zener voltage of ±5%.
3. The zener impedance is derived from the 60-cycle ac voltage, which results when an
ac current having and ms value equal to 10% of the dc zener current (IZT or IZK)
is superimposed to IZT or IZK.
4. For detailed information on price, availability and delivery of nominal zener voltages
between the voltages shown and tighter voltage tolerances.
Version: A07
Vz @ Izt Leakage Current
IR @ VR
Maximum Zener
Zener Voltage Range (Note 2) Impedance Maximum Reverse