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Número de pieza
componentes Descripción
MMBZ5257B Ver la hoja de datos (PDF) - TAITRON Components Incorporated
Número de pieza
componentes Descripción
Fabricante
MMBZ5257B
350mW Surface Mount Zener Diodes
TAITRON Components Incorporated
MMBZ5257B Datasheet PDF : 5 Pages
1
2
3
4
5
350mW Surface Mount Zener Diodes
MMBZ5225B
-
MMBZ5267B
P/N
MMBZ5257B
MMBZ5258B
MMBZ5259B
MMBZ5260B
MMBZ5261B
MMBZ5262B
MMBZ5263B
MMBZ5264B
MMBZ5265B
MMBZ5266B
MMBZ5267B
Marking
Code
81H
81J
81K
81F
81M
81N
81P
81Q
81R
81S
81T
Normal Zener Voltage
Nom. (V)
33
36
39
43
47
51
56
60
62
68
75
V
Z
@ I
ZT
Min. (V) Max. (V)
31.35 34.65
34.20 37.80
37.05 40.95
40.85 45.15
44.65 49.35
48.45 53.55
53.20 58.80
57.00 63.00
58.90 65.10
64.60 71.40
71.25 78.75
I
ZT (mA)
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.1
2.0
1.8
1.7
Max. Zener impedance
Z
ZT
@ I
ZT
Z
zk
@ I
zk
Ω
Ω
mA
58.0 700 0.25
70.0 700 0.25
80.0 800 0.25
93.0 900 0.25
105.0 1000 0.25
125.0 1100 0.25
150.0 1300 0.25
170.0 1400 0.25
185.0 1400 0.25
230.0 1600 0.25
270.0 1700 0.25
Max. reverse
leakage current
I
D
@ V
R
µA
V
R
(V)
0.1
25.0
0.1
27.0
0.1
30.0
0.1
33.0
0.1
36.0
0.1
39.0
0.1
43.0
0.1
46.0
0.1
47.0
0.1
52.0
0.1
56.0
Characteristics Curves
Ambient Temperature T
a
(°C)
Fig.1 Power Derating Curve
www.taitroncomponents.com
Zener Voltage (V)
Fig.2 Breakdown Characteristic
Rev. A/JJ 2007-06-15
Page 3 of 5
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