MMSZ5255B-7 Diodes Zetex, MMSZ5255B-7 Datasheet - Page 3

• Manufacturer Part Number: MMSZ5255B-7
• Description: DIODE ZENER 28V 500MW SOD-123
• Manufacturer: Diodes Zetex

Specifications of MMSZ5255B-7

• Voltage - Zener (nom) (vz): 28V
• Voltage - Forward (vf) (max) @ If: 900mV @ 10mA
• Current - Reverse Leakage @ Vr: 100nA @ 21V
• Tolerance: ±5%
• Power - Max: 500mW
• Impedance (max) (zzt): 44 Ohm
• Mounting Type: Surface Mount
• Package / Case: SOD-123
• Operating Temperature: -65°C ~ 150°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MMSZ5255BDITR; MMSZ5255BTR; MMSZ5255BTR

MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 24 - 2
1,000
100
0.6
0.5
0.4
0.3
0.2
0.1
10
30
20
10
1
0
0
1
0
0
Fig. 5 Typical Zener Impedance Characteristics
Test current I
T = 25°C
Fig. 3 Typical Zener Breakdown Characteristics
J
25
P vs.T
D
Fig. 1 Power Derating Curve
Z
10
10
V , ZENER VOLTAGE (V)
V , ZENER VOLTAGE (V)
T, TEMPERATURE ( C)
Z
12
Z
A
50
P vs.
D
15
18
T
L
10
75
20
22
Nominal Zener Voltage
100
°
27
Note 4
30
33
125
36
150
39
100
40
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1,000
100
10
Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage
40
30
20
10
50
0
1
0
Fig. 2 Typical Zener Breakdown Characteristics
1
V , NOMINAL ZENER VOLTAGE (V)
Z
2
V , ZENER VOLTAGE (V)
MMSZ5221B - MMSZ5259B
Z
3
4
10
5
6
7
8
© Diodes Incorporated
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100
March 2011
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