DS31039 Rev. 8 - 2 1 of 3 MMBZ5221BS - MMBZ5259BS
www.diodes.com
MMBZ5221BS - MMBZ5259BS
200mW SURFACE MOUNT ZENER DIODE
·Planar Die Construction
·Dual Isolated Zeners in Ultra-Small Surface
Mount Package
·Ideally Suited for Automated Assembly
Processes
Features
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic Symbol Value Unit
Forward Voltage @ IF = 10mA VF0.9 V
Power Dissipation (Note 1) Pd200 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RqJA 625 °C/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
·Case: SOT-363, Molded Plastic
·Case material - UL Flammability Rating 94V-0
·Moisture sensitivity: Level 1 per J-STD-020A
·Terminals: Solderable per MIL-STD-202,
Method 208
·Polarity: See Diagram
·Marking: See Page 2
·Weight: 0.006 grams (approx.)
Mechanical Data
A
M
JL
D
BC
H
K
G
F
A2
C1NC
NC C2
A1
KXX YY
KXX YY
SOT-363
Dim Min Max
A0.10 0.30
B1.15 1.35
C2.00 2.20
D0.65 Nominal
F0.30 0.40
H1.80 2.20
J¾0.10
K0.90 1.00
L0.25 0.40
M0.10 0.25
a0°8°
All Dimensions in mm
* Add “-7” to the appropriate type number in Table 1 from Sheet 2 example: 6.2V Zener = MMBZ5234BS-7.
Notes: 1. Mounted on FR4 PC Board with recommended pad layout which can be found on our website |
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
3. f = 1KHz.
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device Packaging Shipping
(Type Number)-7* SOT-363 3000/Tape & Reel
Ordering Information (Note 4)
DS31039 Rev. 8 - 2 2 of 3 MMBZ5221BS - MMBZ5259BS
www.diodes.com
Type
Number
Marking
Code
Zener Voltage Range (Note 2) Maximum Zener
Impedance (Note 3)
Maximum Reverse
Leakage Current (Note 2)
VZ @ IZT IZT ZZT @ IZT ZZK @ IZK
= 0.25mA I
R@V
R
Nom (V) Min (V) Max (V) mA WmAV
MMBZ5221BS KC1 2.4 2.28 2.52 20 30 1200 100 1.0
MMBZ5223BS KC3 2.7 2.57 2.84 20 30 1300 75 1.0
MMBZ5225BS KC5 3.0 2.85 3.15 20 30 1600 50 1.0
MMBZ5226BS KG1 3.3 3.14 3.47 20 28 1600 25 1.0
MMBZ5227BS KG2 3.6 3.42 3.78 20 24 1700 15 1.0
MMBZ5228BS KG3 3.9 3.71 4.10 20 23 1900 10 1.0
MMBZ5229BS KG4 4.3 4.09 4.52 20 22 2000 5.0 1.0
MMBZ5230BS KG5 4.7 4.47 4.94 20 19 1900 5.0 2.0
MMBZ5231BS KE1 5.1 4.85 5.36 20 17 1600 5.0 2.0
MMBZ5232BS KE2 5.6 5.32 5.88 20 11 1600 5.0 3.0
MMBZ5233BS KE3 6.0 5.70 6.30 20 7 1600 5.0 3.5
MMBZ5234BS KE4 6.2 5.89 6.51 20 7 1000 5.0 4.0
MMBZ5235BS KE5 6.8 6.46 7.14 20 5 750 3.0 5.0
MMBZ5236BS KF1 7.5 7.13 7.88 20 6 500 3.0 6.0
MMBZ5237BS KF2 8.2 7.79 8.61 20 8 500 3.0 6.5
MMBZ5238BS KF3 8.7 8.27 9.14 20 8 600 3.0 6.5
MMBZ5239BS KF4 9.1 8.65 9.56 20 10 600 3.0 7.0
MMBZ5240BS KF5 10 9.50 10.50 20 17 600 3.0 8.0
MMBZ5241BS KH1 11 10.45 11.55 20 22 600 2.0 8.4
MMBZ5242BS KH2 12 11.40 12.60 20 30 600 1.0 9.1
MMBZ5243BS KH3 13 12.35 13.65 9.5 13 600 0.5 9.9
MMBZ5245BS KH5 15 14.25 15.75 8.5 16 600 0.1 11
MMBZ5246BS KJ1 16 15.20 16.80 7.8 17 600 0.1 12
MMBZ5248BS KJ3 18 17.10 18.90 7.0 21 600 0.1 14
MMBZ5250BS KJ5 20 19.00 21.00 6.2 25 600 0.1 15
MMBZ5251BS KK1 22 20.90 23.10 5.6 29 600 0.1 17
MMBZ5252BS KK2 24 22.80 25.20 5.2 33 600 0.1 18
MMBZ5254BS KK4 27 25.65 28.35 5.0 41 600 0.1 21
MMBZ5255BS KK5 28 26.60 29.40 4.5 44 600 0.1 21
MMBZ5256BS KM1 30 28.50 31.50 4.2 49 600 0.1 23
MMBZ5257BS KM2 33 31.35 34.65 3.8 58 700 0.1 25
MMBZ5258BS KM3 36 34.20 37.80 3.4 70 700 0.1 27
MMBZ5259BS KM4 39 37.05 40.95 3.2 80 800 0.1 30
Electrical Characteristics @ TA = 25°C unless otherwise specified
Notes: 2. Short duration test pulse used to minimize self-heating effect.
3. f = 1KHz.
Month Jan Feb March Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1234567
89 OND
Year 2002 2003 2004 2005 2006 2007 2008 2009
Code NPR
STUVW
Date Code Key
KXX = Product Type Marking Code, See Sheet 1
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
KXX YM
KXX YM
Marking Information
DS31039 Rev. 8 - 2 3 of 3 MMBZ5221BS - MMBZ5259BS
www.diodes.com
1
10
100
110 100
P , PEAK SURGE POWER (W)
PK
PULSE WIDTH (ms)
Fi
g
. 4 Maximum Non-repetitive Sur
g
e Power
1000
1
10
100
1000
110100
V , NOMINAL ZENER VOLTAGE (V)
Z
Fi
g
. 3 Zener Volta
g
e vs. Zener Impedence
I = 1.0mA
Z
C , TOTAL CAPACITANCE (pF)
T
10
100
1000
10 100
1
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 2 Total Capacitance vs Nominal Zener Voltage
T=25°C
j
V=1V
R
V=2V
R
0
0.1
0.2
0.3
0.4
25
0
50 75 100 125
150
P,P
O
WER DISSIPATI
O
N(W)
D
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1 Power Dissipation vs Ambient Temperature
0
10
20
30
0
I , ZENER CURRENT (mA)
Z
V , ZENER VOLTAGE (V)
Z
Fi
g
. 6 Zener Breakdown Characteristics
10 20 30 40
T = 25°C
j
Test current IZ
Nominal Zener Breakdown
Voltage
10
12
18
22
27
33 36
15
39
0
10
20
30
40
50
01 2 3 4 5 6 78910
I , ZENER CURRENT (mA)
Z
V , ZENER VOLTAGE (V)
Z
Fi
g
. 5 Zener Breakdown Characteristics
T = 25°C
jC5V6
6V8
8V2
Test Current IZ
20mA
