DS30267 Rev. C-2
1 of 3
MMBZ5221BT - MMBZ5259BT
MMBZ5221BT - MMBZ5259BT
150mW SURFACE MOUNT ZENER DIODE
Features
Ultra-Small Surface Mount Package
Planar Die Construction
General Purpose
Ideally Suited for Automated Assembly
Processes
Mechanical Data
A
B C
G
M
L
J
D
H
N
K
TOP VIEW
Characteristic
Symbol
Value
Unit
Zener Current (See Table on page 2)
Forward Voltage
@ I
F
= 10mA
V
F
0.9
V
Power Dissipation (Note 1)
P
d
150
mW
Thermal Resistance, Junction to Ambient (Note 1)
R
qJA
833
C/W
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +150
C
Notes:
1. Device mounted on FR-4 PC board with recommended pad layout.
Maximum Ratings
@ T
A
= 25C unless otherwise specified
Case: SOT-523, Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagram
Marking: See Table, Sheet 2
Weight: 0.002 grams (approx.)
Ordering Information, see Sheet 2
NEW
P
RODUCT
SOT-523
Dim Min Max Typ
A
0.15 0.30 0.22
B
0.75 0.85 0.80
C
1.45 1.75 1.60
D
0.50
G
0.90 1.10 1.00
H
1.50 1.70 1.60
J
0.00 0.10 0.05
K
0.60 0.80 0.75
L
0.10 0.30 0.22
M
0.10 0.20 0.12
N
0.45 0.65 0.50
All Dimensions in mm
DS30267 Rev. C-2
2 of 3
MMBZ5221BT - MMBZ5259BT
Electrical Characteristics
@ T
A
= 25C unless otherwise specified
Type
Number
Marking
Code
Zener Voltage Range (Note 2)
Test
Current
Maximum Zener
Impedance (Note 4)
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
MMBZ5221BT
C1
2.4
2.28
2.52
20
30
1200
100
1.0
MMBZ5223BT
C3
2.7
2.57
2.84
20
30
1300
75
1.0
MMBZ5225BT
C5
3.0
2.85
3.15
20
30
1600
50
1.0
MMBZ5226BT
G1
3.3
3.14
3.47
20
28
1600
25
1.0
MMBZ5227BT
G2
3.6
3.42
3.78
20
24
1700
15
1.0
MMBZ5228BT
G3
3.9
3.71
4.10
20
23
1900
10
1.0
MMBZ5229BT
G4
4.3
4.09
4.52
20
22
2000
5.0
1.0
MMBZ5230BT
G5
4.7
4.47
4.94
20
19
1900
5.0
2.0
MMBZ5231BT
E1
5.1
4.85
5.36
20
17
1600
5.0
2.0
MMBZ5232BT
E2
5.6
5.32
5.88
20
11
1600
5.0
3.0
MMBZ5234BT
E4
6.2
5.89
6.51
20
7.0
1000
5.0
4.0
MMBZ5235BT
E5
6.8
6.46
7.14
20
5.0
750
3.0
5.0
MMBZ5236BT
F1
7.5
7.13
7.88
20
6.0
500
3.0
6.0
MMBZ5237BT
F2
8.2
7.79
8.61
20
8.0
500
3.0
6.5
MMBZ5239BT
F4
9.1
8.65
9.56
20
10
600
3.0
7.0
MMBZ5240BT
F5
10
9.50
10.50
20
17
600
3.0
8.0
MMBZ5241BT
H1
11
10.45
11.55
20
22
600
2.0
8.4
MMBZ5242BT
H2
12
11.40
12.60
20
30
600
1.0
9.1
MMBZ5243BT
H3
13
12.35
13.65
9.5
13
600
0.5
9.9
MMBZ5245BT
H5
15
14.25
15.75
8.5
16
600
0.1
11
MMBZ5246BT
J1
16
15.20
16.80
7.8
17
600
0.1
12
MMBZ5248BT
J3
18
17.10
18.90
7.0
21
600
0.1
14
MMBZ5250BT
J5
20
19.00
21.00
6.2
25
600
0.1
15
MMBZ5251BT
K1
22
20.90
23.10
5.6
29
600
0.1
17
MMBZ5252BT
K2
24
22.80
25.20
5.2
33
600
0.1
18
MMBZ5254BT
K4
27
25.65
28.35
5.0
41
600
0.1
21
MMBZ5255BT
K5
28
26.60
29.40
4.5
44
600
0.1
21
MMBZ5256BT
M1
30
28.50
31.50
4.2
49
600
0.1
23
MMBZ5257BT
M2
33
31.35
34.65
3.8
58
700
0.1
25
MMBZ5258BT
M3
36
34.20
37.80
3.4
70
700
0.1
27
MMBZ5259BT
M4
39
37.05
40.95
3.2
80
800
0.1
30
NEW
P
RODUCT
TABLE 1
Ordering Information
(Note 3)
Device
Packaging
Shipping
(Type Number)-7*
SOT-523
3000/Tape & Reel
* Add "-7" to the appropriate type number in Table 1 above. Example: 6.2V Zener = MMBZ5234BT-7.
Notes:
2. Short duration test pulse used to minimize self-heating effect.
3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
4. f = 1KHz.
DS30267 Rev. C-2
3 of 3
MMBZ5221BT - MMBZ5259BT
0
100
200
300
25
0
50
75
100
125
150
P,
P
O
WER
D
ISSIP
AT
I
O
N
(
mW)
D
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Dissipation vs Ambient Temperature
A
1
10
100
1000
1
10
100
C
,
JUNCTI
O
N
CAP
ACIT
ANCE
(pF)
J
V , NOMINAL ZENER VOLTAGE (V)
Fig. 2 Typical Capacitance
Z
0V BIAS
1
10
100
1
10
100
P
,
PEAK
SURGE
POWER
(W)
PK
PULSE WIDTH (ms)
Fig. 4 Maximum Non-repetitive Surge Power
1000
1
10
100
1000
1
10
100
DYNAMI
C
ZENER
IMPEDAN
C
E
(
)
V , NOMINAL ZENER VOLTAGE (V)
Fig. 3 Zener Voltage vs. Zener Impedence
Z
I = 1.0mA
Z
NEW
P
RODUCT
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