MMSZ5255B-7 Diodes Zetex, MMSZ5255B-7 Datasheet - Page 2

• 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

Thermal Characteristics
Electrical Characteristics
Maximum Ratings
Forward Voltage
Power Dissipation (Note 4) @T
Thermal Resistance, Junction to Ambient Air (Note 4)
Thermal Resistance, Junction to Lead (Note 5)
Operating and Storage Temperature Range
Notes:
MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 24 - 2
MMSZ5221B
MMSZ5223B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5233B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5238B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5245B
MMSZ5246B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
Number
Type
4. Device mounted on FR-4 substrate, single-sided, PC boards, with minimum recommended pad layout.
5. Thermal Resistance measurement obtained via infrared scan method.
6. Short duration pulse test used to minimize self-heating effect.
Code
Type
C1
C3
C5
G1
G2
G3
G4
G5
H1
H2
H3
H5
M1
M2
M3
M4
E1
E2
E3
E4
E5
F1
F2
F3
F4
F5
K1
K2
K4
K5
J1
J3
J5
Characteristic
Characteristic
@T
L
= 75°C
A
= 25°C unless otherwise specified
Nom (V)
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.0
6.2
6.8
7.5
8.2
8.7
9.1
Zener Voltage Range (Note 6)
10
11
12
13
15
16
18
20
22
24
27
28
30
33
36
39
@T
A
= 25°C unless otherwise specified
@ I
V
Min (V)
Z
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
2.28
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.70
5.89
6.46
7.13
7.79
8.27
8.65
9.50
F
@ I
= 10mA
ZT
www.diodes.com
Max (V)
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
2.52
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.30
6.51
7.14
7.88
8.61
9.14
9.56
2 of 5
Symbol
Symbol
T
J,
R
R
P
Current
V
T
θ JA
θ JL
D
F
Test
STG
mA
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
I
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
ZT
Z
ZT
Maximum Zener
30
30
30
28
24
23
22
19
17
11
10
17
22
30
13
16
17
21
25
29
33
41
44
49
58
70
80
@ I
7
7
5
6
8
8
Impedance
f = 1KHz
ZT
MMSZ5221B - MMSZ5259B
-65 to +150
Ω
Value
Value
500
350
150
0.9
Z
= 0.25mA
ZK
1200
1300
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
@ I
ZK
Leakage Current (Note 6)
Maximum Reverse
100
μA
5.0
5.0
5.0
5.0
5.0
5.0
3.0
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
75
50
25
15
10
I
R
© Diodes Incorporated
°C/W
°C/W
Unit
Unit
mW
°C
V
March 2011
@ V
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
3.5
4.0
5.0
6.0
6.5
6.5
7.0
8.0
8.4
9.1
9.9
11
12
14
15
17
18
21
21
23
25
27
30
V
R