MMSZ5221B Series
Surface Mount Zener Diodes
Features: *500mw Power Dissipation *Ideal for Surface Mountted Application *Zener Breakdown Voltage Range 2.4V to 110V
SMALL SIGNAL ZENER DIODES 500m WATTS
Mechanical Data: *Case : SOD-123 Molded plastic *Terminals: Solderable per MIL-STD-202, Method 208 *Polarity: Cathode Indicated by Polarity Band *Marking: Marking Code (See Table on Page 3) *Weigh: 0.01grams(approx)
1
2
SOD-123
SOD-123 Outline Dimensions
Unit:mm
SOD-123
Dim A B C D E H J K Min Max 2.55 2.85 1.40 1.80 0.95 1.35 0.50 0.70 0.30 REF 0.10 0.15 3.55 3.85
PIN 1. CATHODE 2. ANODE
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MMSZ5221B Series
Maximum Ratings and Electrical Characteristics
Characteristics
Total Power Dissipation on FR-5 Board @TL =75 C Thermal Resistance Junction to Ambient Air Forward Voltage @ IF=10mA Junction and Storage Temperature Range
(2) (1)
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(TA=25 C Unless Otherwise Noted)
Symbol
PD R JA VF Tj,TSTG
Value
500 340 0.9 -65 to+150
Unit
mW C/W V C
NOTES:1. FR-5=3.5 1.5inches, using the on minimum recommedned footprint. 2. Thermal Resistance measurement obtained via infrared scan method.
ELECTRICAL CHARACTERISTICS
( T A = 2 5 C unles s otherwis e noted, V F = 0 .9 V Max. @ I F = 1 0 mA) I IF
Symbol
VZ I ZT Z ZT IR VR IF VF Izk Z zk R evers e C urrent
Parameter
R evers e Zener V oltage @ IZT
Maximum Zener Impedance @ I ZT R evers e Leakage C urrent @ V R R evers e V oltage F orward C urrent F orward V oltage @ I F R evers e C urrent Maximun Zener Impedance @ Izk
VZ VR IR V F I ZT
V
Zener V oltage Regulator
Device Marking
Item MMSZ5221B Series Marking XX=Specific Device Code (See Table on page3) Equivalent Circuit Diagram
1 2
Cathode
Anode
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MMSZ5221B Series
E L E C T R IC A L C HA R A C T E R IS T IC S ( T A = 2 5 C unles s otherwis e noted, V F = 0 .9 V Max. @ I F = 1 0 mA)
Zener Voltage ( Notes 3 and 4) Devic e Marking V Z (V olts ) Min Nom Max @ I ZT mA Zener Impedanc e( Note 5) Z ZT@ I ZT Z ZK @ I ZK L eakage C urrent IR @ V R uA V olts
Devic e
MMS Z5221B MMS Z5222B MMS Z5223B MMS Z5224B MMS Z5225B
Ω
30 30 30 30 29
28 24 23 22 19
17 11 7 7 5
Ω
1200 1250 1300 1400 1600
1600 1700 1900 2000 1900
1600 1600 1600 1000 750
mA
C1 C2 C3 C4 C5
D1 D2 D3 D4 D5
E1 E2 E3 E4 E5
2.28 2.38 2.57 2.66 2.85
3.14 3.42 3.71 4.09 4.47
4.85 5.32 5.70 5.89 6.46
2.4 2.5 2.7 2.8 3.0
3.3 3.6 3.9 4.3 4.7
5.1 5.6 6.0 6.2 6.8
2.52 2.63 2.84 2.94 3.15
3.47 3.78 4.10 4.52 4.94
5.36 5.88 6.30 6.51 7.14
20 20 20 20 20
20 20 20 20 20
20 20 20 20 20
0.25 0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25 0.25
100 100 75 75 50
25 15 10 5 5
5 5 5 5 3
1 1 1 1 1
1 1 1 1 2
2 3 3.5 4 5
MMS Z5226B MMS Z5227B MMS Z5228B MMS Z5229B MMS Z5230B
MMS Z5231B MMS Z5232B MMS Z5233B MMS Z5234B MMS Z5235B
MMS Z5236B MMS Z5237B MMS Z5238B MMS Z5239B MMS Z5240B MMS Z5241B MMS Z5242B MMS Z5243B MMS Z5244B MMS Z5245B
MMS Z5246B MMS Z5247B MMS Z5248B MMS Z5250B
F1 F2 F3 F4 F5 H1 H2 H3 H4 H5
J1 J2 J3 J5
7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.25
15.20 16.15 17.10 19.00
7.5 8.2 8.7 9.1 10 11 12 13 14 15
16 17 18 20
7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75
16.80 17.85 18.90 21.00
20 20 20 20 20 20 20 9.5 9.0 8.5
7.8 7.4 7.0 6.2
6 8 8 10 17 22 30 13 15 16
17 19 21 25
500 500 600 600 600 600 600 600 600 600
600 600 600 600
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25
3 3 3 3 3 2 1 0.5 0.1 0.1
0.1 0.1 0.1 0.1
6 6.5 6.5 7 8 8.4 9.1 9.9 10 11
12 13 14 15
MMS Z5251B MMS Z5252B MMS Z5253B MMS Z5254B MMS Z5255B MMS Z5256B MMS Z5257B MMS Z5258B MMS Z5259B MMS Z5260B
MMS Z5261B MMS Z5262B MMS Z5263B MMS Z5264B MMS Z5265B
K1 K2 K3 K4 K5 M1 M2 M3 M4 M5
N1 N2 N3 N4 N5
20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05 40.85
44.65 48.45 53.20 57.00 58.90
22 24 25 27 28 30 33 36 39 43
47 51 56 60 62
23.10 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95 45.15
49.35 53.55 58.80 63.00 65.10
5.6 5.2 5.0 4.6 4.5 4.2 3.8 3.4 3.2 3.0
2.7 2.5 2.2 2.1 2.0
29 33 35 41 44 49 58 70 80 93
105 125 150 170 185
600 600 600 600 600 600 700 700 800 900
1000 1100 1300 1400 1400
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
0.25 0.25 0.25 0.25 0.25
0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
0.1 0.1 0.1 0.1 0.1
17 18 19 21 21 23 25 27 30 33
36 39 43 46 47
MMS Z5266B MMS Z5267B MMS Z5268B MMS Z5269B MMS Z5270B MMS Z5272B
P1 P2 P3 P4 P5 R2
64.60 71.25 77.90 82.65 86.45 104.5
68 75 82 87 91 11 0
71.40 78.75 86.10 91.35 95.55 115.5
1.8 1.7 1.5 1.4 1.4 1.1
230 270 330 370 400 750
1600 1700 2000 2200 2300 3000
0.25 0.25 0.25 0.25 0.25 0.25
0.1 0.1 0.1 0.1 0.1 0.1
52 56 62 68 69 84
NOTE : 3. T he type numbers s hown have a s tandard tolerance of + 5% on the nominal Zener voltage. +1 4. Nominal Zener voltage is meas ured with the device junction in thermal equilibrium at T L = 3 0 C- C 5. Z ZT a nd Z ZK a re meas ured by dividing the AC voltage drop acros s the device by the ac current applied. T he s pecified limits are for I Z(AC ) = 0 .1 I Z(dc ) with the AC frequency = 1 K Hz.
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MMSZ5221B Series
TYPICAL CHARACTERISTICS
T E MP E R AT UR E C OE F F IC IE NT (mV / C ) 8 7 6 5 4 3 2 1 0 -1 -2 -3 V Z @ I ZT T Y P IC AL T C V ALUE S F OR MMS Z5221B T 1 S E R IE S T E MP E R AT UR E C OE F F IC IE NT (mV / C ) 100 T Y P IC AL T C V ALUE S F OR MMS Z5221B T 1 S E R IE S V Z @ I ZT 10
qV Z ,
2
3
4 5 6 7 8 9 10 V Z , NOMINAL ZE NE R V OLT AG E (V )
11
12
V Z,
1
10 V Z , NOMINAL ZE NE R V OLT AG E (V )
100
F igure 1. T emperature C oeffic ients (Temperature R ange - 5 5 C to +150 C )
P pk , P E AK S UR G E P OWE R (W AT T S ) 1.2 1.0 0.8 0.6 0.4 0.2 0 0 25 50 75 100 T, T E MP E R AT UR E ( C ) 125 150 P D vers us T A P D vers us T L 1000
F igure 2. T emperature C oeffic ients (T emperature R ange - 5 5 C to +150 C )
R E C T ANG ULAR W AV E F OR M, T A = 2 5 C
100
10
1
0.1
1
10 100 P W , P ULS E WIDT H (ms )
1000
F igure 3. S teady S tate P ower Derating
1000 Z ZT, DY NAMIC IMP E DANC E ( W) T J = 25 C I Z(AC ) = 0 .1 I Z(DC ) f = 1 kHz 1000 I F, F OR W AR D C UR R E NT (mA)
F igure 4. Maximum Nonrepetitive S urge P ower
I Z = 1 mA 5 mA 20 mA 10
75 V (MMS Z5267B T 1) 91 V (MMS Z5270B T 1)
100
100
10
150 C 1 1 10 V Z , NOMINAL ZE NE R V OLT AG E 100 1 0.4 0.5
75 C 25 C
0C 1.1 1.2
0.6 0.7 0.8 0.9 1.0 V F, F OR W AR D V OLT AG E (V )
F igure 5. E ffec t of Zener V oltage on Zener Impedanc e
F igure 6. T ypic al F orward V oltage
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MMSZ5221B Series
T Y P IC A L C HA R A C T E R IS T IC S 1000 0 V B IAS 1 V B IAS TA = 25 C I R , LE AK AG E C UR R E NT ( A ) 1000 100 10 1 0.1 0.01 + 25 C - 55 C 0 10 20 30 40 50 60 70 V Z , NOMINAL ZE NE R V OLT AG E (V ) 80 90 +150 C
C , C AP AC IT ANC E (pF )
100 B IAS AT 50% OF V Z N OM 10
0.001 0.0001 1 1 10 V Z , NOMINAL ZE NE R V OLT AG E (V ) 100 0.00001
F igure 7. T ypic al C apac itanc e
F igure 8. T ypic al L eakage C urrent
100 TA = 25 C I Z , ZE NE R C UR R E NT (mA)
100 TA = 25 C I Z , ZE NE R C UR R E NT (mA) 10
10
1
1
0.1
0.1
0.01
0
2
4 6 8 V Z , ZE NE R V OLT AG E (V )
10
12
0.01
10
30
50 70 V Z , ZE NE R V OLT AG E (V )
90
F igure 9. Zener Voltage vers us Zener C urrent (V Z U p to 12 V )
F igure 10. Zener V oltage vers us Zener C urrent (12 V to 91 V )
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