MMBZ5257B Ver la hoja de datos (PDF) - Yea Shin Technology Co., Ltd

Número de pieza

componentes Descripción

Fabricante

MMBZ5257B

225 mW SOT-23 Zener Voltage Regulator Diodes

Yea Shin Technology Co., Ltd 

DEVICE CHARACTERISTICS

MMBZ52xxB Series

8

7 TYPICAL T C VALUES

6 FOR MMBZ5221BLT1

SERIES

5

4

V Z @ I ZT

3

2

1

0

-1

-2

-3

23

4 5 6 78

9 10 11 12

V Z , NOMINAL ZENER VOLTAGE (V)

Figure 1. Temperature Coefficients

(Temperature Range –55°C to +150°C)

1K

I Z = 1 mA

100

5 mA

20 mA

10

T J = 25°C

I Z(AC) = 0.1 I Z(DC)

f = 1 kHz

1

1

10

100

V Z , NOMINAL ZENER VOLTAGE

Figure 3. Effect of Zener Voltage on

Zener Impedance

100

TYPICAL T C VALUES

FOR MMBZ5221BLT1

SERIES

10

V Z @ I ZT

1

10

100

V Z , NOMINAL ZENER VOLTAGE (V)

Figure 2. Temperature Coefficients

(Temperature Range –55°C to +150°C)

1000

75 V (MMBZ5267BLT1)

91 V (MMBZ5270BLT1)

100

10

150°C 75°C 25°C 0°C

1

0.4 0.5

0.6 0.7 0.8 0.9 1.0 1.1 1.2

V F , FORWARD VOLTAGE (V)

Figure 4. Typical Forward Voltage

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3

REV.02 20120403

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