MMBZ5221B Series
Maximum Ratings @ Ta= 25℃ unless otherwise specified
WEITRON
Symbol
V
F
Pd
R
θJA
T
j
, T
STG
Characteristic
Forward Voltage @ I
F
= 10mA
Power Dissipation
Thermal Resistance, Junction to Ambient Air
Operating and Storage Temperature Range
Value
0.9
225
556
-65 to +150
Unit
V
mW
℃/W
℃
Leakage Current
I
R
@ V
R
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
Volts
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
ELECTRICAL CHARACTERISTICS
(Pinout: 1-Anode, 2-NC, 3-Cathode) (V
F
= 0.9 V Max @ I
F
= 10 mA for all types.)
Zener Voltage
(Note 3)
Device
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
81L
81M
81N
81P
81Q
81R
81S
81T
81U
81V
81W
V
Z
(Volts)
Min
2.28
2.37
2.56
2.66
2.85
3.13
3.42
3.70
4.08
4.46
4.84
5.32
5.70
5.89
6.46
7.12
7.79
8.26
8.64
9.50
10.4
11.40
12.35
13.30
14.25
15.20
16.15
17.10
18.05
19.00
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
64.60
71.25
77.90
82.65
86.45
Nom
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
Max
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
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
19.95
21.00
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
71.40
78.75
86.10
91.35
95.55
@ 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
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
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
Zener Impedance
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
mA
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
0.25
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
0.25
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
0.25
0.25
0.25
0.25
0.25
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
3.Zener voltage is measured with a pulse test current I
Z
at an ambient temperature of 25°C
WEITRON
http://www.weitron.com.tw
2/3
Rev.A 19-Nov-09
WEITRON [ WEITRON TECHNOLOGY ]
