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
@ T
A
= 25C unless otherwise specified
Characteristic
Symbol
Value
Unit
Forward Voltage
@ I
F
= 10mA
V
F
0.9
V
Power Dissipation (Note 1)
P
d
200
mW
Thermal Resistance, Junction to Ambient Air (Note 1)
R
qJA
625
C/W
Operating and Storage Temperature Range
T
j,
T
STG
-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
J
L
D
B C
H
K
G
F
A
2
C
1
NC
NC
C
2
A
1
KXX
YY
KXX
YY
SOT-363
Dim
Min
Max
A
0.10
0.30
B
1.15
1.35
C
2.00
2.20
D
0.65 Nominal
F
0.30
0.40
H
1.80
2.20
J
0.10
K
0.90
1.00
L
0.25
0.40
M
0.10
0.25
a
0
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)
V
Z
@ I
ZT
I
ZT
Z
ZT @
I
ZT
Z
ZK
@ I
ZK
= 0.25mA
I
R
@ V
R
Nom (V)
Min (V)
Max (V)
mA
W
mA
V
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
@ T
A
= 25C 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
1
2
3
4
5
6
7
8
9
O
N
D
Year
2002
2003
2004
2005
2006
2007
2008
2009
Code
N
P
R
S
T
U
V
W
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
KXXYM
Marking Information
DS31039 Rev. 8 - 2
3 of 3
MMBZ5221BS - MMBZ5259BS
www.diodes.com
1
10
100
1
10
100
P
,
PEAK
SURGE
P
OWER
(
W)
PK
PULSE WIDTH (ms)
Fig. 4 Maximum Non-repetitive Surge Power
1000
1
10
100
1000
1
10
100
V , NOMINAL ZENER VOLTAGE (V)
Z
Fig. 3 Zener Voltage vs. Zener Impedence
I = 1.0mA
Z
C
,
T
O
T
A
L
C
AP
ACIT
ANCE
(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
D
ISSIP
A
TI
O
N(
W
)
D
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Power Dissipation vs Ambient Temperature
0
10
20
30
0
I
,
ZENER
C
URRENT
(
mA)
Z
V , ZENER VOLTAGE (V)
Z
Fig. 6 Zener Breakdown Characteristics
10
20
30
40
T = 25C
j
Test current I
Z
Nominal Zener Breakdown
Voltage
10
12
18
22
27
33
36
15
39
0
10
20
30
40
50
0
1
2
3
4
5
6
7
8
9
10
I
,
ZENER
CURRENT
(
mA)
Z
V , ZENER VOLTAGE (V)
Z
Fig. 5 Zener Breakdown Characteristics
T = 25C
j
C5V6
6V8
8V2
Test Current I
Z
20mA
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