MMBZ5256B-7-F Diodes Inc, MMBZ5256B-7-F Datasheet - Page 3

• Manufacturer Part Number: MMBZ5256B-7-F
• Description: Zener Diodes 30V 350mW
• Manufacturer: Diodes Inc

Specifications of MMBZ5256B-7-F

• Zener Voltage: 30 V
• Voltage Tolerance: 5 %
• Zener Current: 4.2 mA
• Power Dissipation: 350 mW
• Maximum Reverse Leakage Current: 0.1 uA
• Maximum Zener Impedance: 49 Ohms
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23
• Minimum Operating Temperature: - 65 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 21 - 2
1,000
100
0.4
0.3
0.2
0.1
30
20
10
10
0
0
1
0
0
1
Test current I
T = 25°C
Fig. 3 Typical Zener Breakdown Characteristics
Fig. 5 Typical Zener Impedance Characteristics
j
25
T , AMBIENT TEMPERATURE ( C)
A
Note 1
Fig. 1 Power Derating Curve
Z
10
10
V , ZENER VOLTAGE (V)
V , ZENER VOLTAGE (V)
Z
12
Z
50
15
18
20
75
10
22
Nominal Zener Voltage
100
27
30
33
°
125
36
150
39
100
40
www.diodes.com
3 of 5
1,000
100
Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage
10
50
40
30
20
10
0
1
0
Fig. 2 Typical Zener Breakdown Characteristics
1
V , NOMINAL ZENER VOLTAGE (V)
Z
2
V , ZENER VOLTAGE (V)
MMBZ5221B - MMBZ5259B
Z
3
V = 2V
R
4
10
V = 1V
R
5
6
7
T = 25 °C
f = 1MHz
8
J
© Diodes Incorporated
9
August 2010
100
10