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MMBZ5257B Datasheet(PDF) 5 Page - Weitron Technology

Part # MMBZ5257B
Description  Surface Mount Zener Diodes
Download  5 Pages
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Manufacturer  WEITRON [Weitron Technology]
Direct Link  http://www.weitron.com.tw
Logo WEITRON - Weitron Technology

MMBZ5257B Datasheet(HTML) 5 Page - Weitron Technology

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T Y P IC A L C HA R A C T E R IS T IC S
V Z, NOMINAL ZE NE R VOL
TAG E (V)
±3
±2
±1
0
1
2
3
4
5
6
7
8
12
11
10
9
8
7
6
5
4
3
2
F igure 1. Temperature C oefficients
(Temperature R ange ± 5
5 C to +150 C )
T Y P IC A L TC VAL UE S
F OR MMB Z5221B LT 1 S E R IE S
VZ @ IZT
100
10
1
10
100
V Z, NOMINAL ZE NE R VOLTAG E (V)
F igure 2. Temperature C oeffic ients
(Temperature R ange ± 5
5 C to +150 C )
T Y P IC A L TC VAL UE S
F OR MMB Z5221B LT 1 S E R IE S
VZ @ IZT
100
V Z, NOMINAL ZE NE R VOLTAG E
F igure 3. E ffect of Zener V
oltage on
Zener Impedance
10
1
1000
100
10
1
T J = 25 C
IZ(AC) = 0.1 I
Z( DC )
f = 1 kHz
IZ = 1 mA
5 mA
20 mA
V F, FORWAR D VOLTAG E (V)
F igure 4. Typical F orward Voltage
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
1000
100
10
1
75 V (MMB Z5267B L
T 1)
91 V (MMB Z5270B L
T 1)
150 C
75 C 25 C
0 C
WEITRON
http://www.weitron.com.tw
MMBZ5221B Series
WE IT R ON


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