DATA SHEET
SEMICONDUCTOR
MMBZ52xxB Series
225 mW SOT-23
Zener Voltage Regulator Diodes
GENERAL DATA APPLICABLE TO ALL
SERIES IN THIS GROUP
H
SOT–23 (TO–236AB)
3
Zener Voltage
Regulator Diodes
1
MAXIMUM CASE TEMPERATURE FOR SOLDERING
PURPOSES:
260°C for 10 seconds
3
Cathode
2
1
Anode
THERMAL CHARACTERISTICS
Characteristic
Total Device Dissipation FR-5 Board*
T
A
= 25°C
Derate above 25°C
Thermal Resistance Junction to Ambient
Total Device Dissipation
Alumina Substrate,** T
A
= 25°C
Derate above 25°C
Thermal Resistance Junction to Ambient
Junction and Storage Temeprature
**FR-5 = 1.0 x 0.75 x 0.62 in.
**Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
2.4
R
θJA
T
J
, T
stg
417
150
mW/°C
°C/W
°C
Symbol
P
D
Max
225
1.8
R
θJA
P
D
556
300
Unit
mW
mW/°C
°C/W
mW
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REV.02 20120403
MMBZ52xxB Series
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-NC, 3-Cathode)
(V
F
= 0.9 V Max @ I
F
= 10 mA for all types.)
Test
Current
Device
MMBZ5221B
MMBZ5222B
MMBZ5223B
MMBZ5224B
MMBZ5225B
MMBZ5226B
MMBZ5227B
MMBZ5228B
MMBZ5229B
MMBZ5230B
MMBZ5231B
MMBZ5232B
MMBZ5233B
MMBZ5234B
MMBZ5235B
MMBZ5236B
MMBZ5237B
MMBZ5238B
MMBZ5239B
MMBZ5240B
MMBZ5241B
MMBZ5242B
MMBZ5243B
MMBZ5244B
MMBZ5245B
MMBZ5246B
MMBZ5247B
MMBZ5248B
MMBZ5249B
MMBZ5250B
MMBZ5251B
MMBZ5252B
MMBZ5253B
MMBZ5254B
MMBZ5255B
MMBZ5256B
MMBZ5257B
MMBZ5258B
MMBZ5259B
MMBZ5260B
MMBZ5261B
MMBZ5262B
MMBZ5263B
MMBZ5264B
MMBZ5265B
MMBZ5266B
MMBZ5267B
MMBZ5268B
MMBZ5269B
MMBZ5270B
Marking
18A
18B
18C
18D
18E
8A
8B
8C
8D
8E
8F
8G
8H
8J
8K
8L
8M
8N
8P
8Q
8R
8S
8T
8U
8V
8W
8X
8Y
8Z
81A
81B
81C
81D
81E
81F
81G
81H
81J
81K
18F
81M
81N
81P
81Q
81R
81S
81T
81U
81V
81W
I
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9
8.5
7.8
7.4
7
6.6
6.2
5.6
5.2
5
4.6
4.5
4.2
3.8
3.4
3.2
3
2.7
2.5
2.2
2.1
2
1.8
1.7
1.5
1.4
1.4
Zener
Voltage
VZ(+5%)
Nominal
(Note1)
2.4
2.5
2.7
2.8
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
60
62
68
75
82
87
91
Z
Zk
I
Z
=0.25mA
Ω
Max
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
1400
1400
1600
1700
2000
2200
2300
Z
Zk
I
Z
=IZT@10%Mod
Ω
Max
30
30
30
30
29
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
105
125
150
170
185
230
270
330
370
400
Max
I
R
µ
A
100
100
75
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
2
1
0.5
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
@
V
R
V
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43
46
47
52
56
62
68
69
NOTE 1. Zener voltage is measured with a pulse test current (I
ZT
) applied at an ambient temperature of 25 °C
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REV.02 20120403
DEVICE CHARACTERISTICS
MMBZ52xxB Series
θ
VZ
, TEMPERATURE COEFFICIENT (mV/ °C)
8
7
6
5
4
3
2
1
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
1
1
12
θ
VZ
, TEMPERATURE COEFFICIENT (mV/ ° C)
100
TYPICAL T
C
VALUES
F O R M M B Z 5 2 2 1 B LT 1
SERIES
V
Z
@ I
ZT
TYPICAL T
C
VALUES
F O R M M B Z 5 2 2 1 B LT 1
SERIES
V
Z
@ I
ZT
10
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 1. Temperature Coefficients
(Temperature Range –55°C to +150°C)
Figure 2. Temperature Coefficients
(Temperature Range –55°C to +150°C)
1000
1K
Z
ZT
, DYNAMIC IMPEDANCE (Ω)
Z(DC)
I
Z
= 1 mA
100
I
F
, FORWARD CURRENT (mA)
T
J
= 25°C
I
Z(AC)
= 0.1 I
f = 1 kHz
75 V (MMBZ5267BLT1)
91 V (MMBZ5270BLT1)
100
5 mA
20 mA
10
10
150°C
1
0.4
0.5
75°C 25°C
0.6
0.7
0°C
0.8
0.9
1.0
1.1
1.2
1
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE
V
F
, FORWARD VOLTAGE (V)
Figure 3. Effect of Zener Voltage on
Zener Impedance
Figure 4. Typical Forward Voltage
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REV.02 20120403
DEVICE CHARACTERISTICS
MMBZ52xxB Series
1000
1000
0 V BIAS
1 V BIAS
T
A
= 25°C
100
I
R
, LEAKAGE CURRENT (µA)
C, CAPACITANCE (pF)
10
1
0.1
0.01
0.001
0.0001
0.00001
0
10
20
30
40
50
60
70
80
90
100
BIAS AT
50% OF V
Z
NOM
10
+150°C
+25°C
–55°C
1
1
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
V
Z
, NOMINAL ZENER VOLTAGE (V)
Figure 5. Typical Capacitance
Figure 6. Typical Leakage Current
100
100
T
A
= 25°C
T
A
= 25°C
I
Z
, ZENER CURRENT (mA)
I
Z
, ZENER CURRENT (mA)
10
10
1
1
0.1
0.1
0
0
2
4
6
8
10
12
0.01
10
30
50
70
90
V
Z
, ZENER VOLTAGE (V)
V
Z
, ZENER VOLTAGE (V)
Figure 7. Zener Voltage versus Zener Current
(V
Z
Up to 12 V)
Figure 8. Zener Voltage versus Zener Current
(12 V to 91 V)
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REV.02 20120403
PACKAGE OUTLINE & DIMENSIONS
MMBZ52xxB Series
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. MAXIMUM LEAD THICKNESS INCLUDES
LEAD FINISH THICKNESS. MINIMUM LEAD
THICKNESS IS THE MINIMUM THICKNESS
OF BASE MATERIAL.
INCHES
DIM
A
B
C
D
G
H
J
K
L
S
V
MIN
0.1102
0.0472
0.0350
0.0150
0.0701
0.0005
0.0034
0.0180
0.0350
0.0830
0.0177
MAX
0.1197
0.0551
0.0440
0.0200
0.0807
0.0040
0.0070
0.0236
0.0401
0.0984
0.0236
MILLIMETERS
MIN
2.80
1.20
0.89
0.37
1.78
0.013
0.085
0.45
0.89
2.10
0.45
MAX
3.04
1.40
1.11
0.50
2.04
0.100
0.177
0.60
1.02
2.50
0.60
A
L
3
1
2
B
S
STYLE 8:
PIN 1. ANODE
2. NO CONNECTION
3. CATHODE
0.037
0.95
0.037
0.95
V
G
C
D
H
K
J
0.079
2.0
0.035
0.9
0.031
0.8
CASE 318-07
PLASTIC
mm
(
inches
)
SOT-23 Footprint
(Refer to Section 10 for Surface Mount, Thermal Data and Footprint Information.)
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REV.02 20120403
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