MMBZ5251B-7-F Diodes Inc, MMBZ5251B-7-F Datasheet - Page 3

• Manufacturer Part Number: MMBZ5251B-7-F
• Description: DIODE ZENER 22V 350MW SOT23-3
• Manufacturer: Diodes Inc

Specifications of MMBZ5251B-7-F

• Voltage - Zener (nom) (vz): 22V
• Voltage - Forward (vf) (max) @ If: 900mV @ 10mA
• Current - Reverse Leakage @ Vr: 100nA @ 17V
• Tolerance: ±5%
• Power - Max: 350mW
• Impedance (max) (zzt): 29 Ohm
• Mounting Type: Surface Mount
• Package / Case: SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
• Operating Temperature: -65°C ~ 150°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MMBZ5251B-FDITR

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