MMSZ5221B THRU MMSZ5262B
PB FREE PRODUCT
500mW SURFACE MOUNT ZENER DIODES
FEATURES
* Planar Die construction
* 500mW Power Dissipation
* Ideally Suited for Automated Assembly Processes
.154(3.90)
.141(3.60)
.110(2.8)
.098(2.5)
.028(0.7)
.019(0.5)
MECHANICAL DATA
* Case: SOD-123, Molded Plastic
* Terminals: Solderable per MIL-STD-202E, Method 208
* Polarity: See Diagram Below
* Approx. Weight:
0 . 0 1
grams
* Mounting Position: Any
* Packing information: T/R - 3K per 7" plastic Reel
.008(.20)MAX
.004(.10)MAX
.016(.40)MIN
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase half wave, 60Hz, resistive of inductive load.
For capacitive load, derate current by 20%
PARAMETER
Power Dissipation at Tamb=25℃
Pack Forward Surge Current (8.3mS single half)
Operating Junction and Storage Temperature Range
SYMBOL
P
TOT
I
FSM
T
J
,T
S
VALUE
500
4
-55 to +150
.053(1.35)
.037(0.95)
.071(1.8)
.055(1.4)
UNIT
mW
Amps
℃
Valid provided that leads at a distance of 10mm from case kept at ambient temperature.
PARAMETER
Typical Thermal Resistance
Forward Voltage Range at I
F
=100mA
SYMBOL
R
ΘJA
V
F
Min.
-
-
Typ.
-
-
Max.
0.3
1.0
Amps
K/mW
V
Valid provided that leads at a distance of 10mm from case kept at ambient temperature.
MMSZ5221B THRU MMSZ5262B
PB FREE PRODUCT
500mW SURFACE MOUNT ZENER DIODES
Nominal Zener Voltage
Part Number
Nom. V
V
Z
@ I
ZT
Min. V
2.28
2.38
2.57
2.85
3.14
3.42
3.71
4.09
4.47
4.85
5.32
5.89
6.46
7.13
7.79
8.65
9.50
10.45
11.40
12.35
13.30
14.25
15.20
16.15
17.10
19.00
20.90
22.80
25.65
26.60
28.50
31.35
34.20
37.05
40.85
44.65
48.45
Max. V
2.52
2.63
2.84
3.15
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
8.61
9.56
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
21.00
23.10
25.20
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
Ω
30
30
30
30
28
24
23
22
19
17
11
7
5
6
8
10
17
22
30
13
15
16
17
19
21
25
29
33
41
44
49
58
70
80
93
105
125
Max. Zener Impedance
Z
ZT
@ I
ZT
mA
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
20.0
9.5
9.0
8.5
7.8
7.5
7.0
6.2
5.6
5.2
5.0
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
Ω
1200
1250
1300
1600
1600
1700
1900
2000
1900
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
Z
ZK
@ I
ZK
mA
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
μA
100
100
75
50
25
15
10
5.0
5.0
5.0
5.0
5.0
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
0.1
0.1
0.1
0.1
0.1
Max Reverse
Leakage Current
I
R
@ V
R
V
1
1
1
1
1
1
1
1
2
2
3
4
5
6
7
7
8
8
9
10
11
11
12
13
14
15
17
18
21
21
23
25
27
30
33
36
39
C1
C2
C3
C5
D1
D2
D3
D4
D5
E1
E2
E4
E5
F1
F2
F4
F5
H1
H2
H3
H4
H5
J1
J2
J3
J5
K1
K2
K4
K5
M1
M2
M3
M4
M5
N1
N2
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
SOD-123
Marking
Code
Package
500 mWatts Zener Diodes
MMSZ5221B
MMSZ5222B
MMSZ5223B
MMSZ5225B
MMSZ5226B
MMSZ5227B
MMSZ5228B
MMSZ5229B
MMSZ5230B
MMSZ5231B
MMSZ5232B
MMSZ5234B
MMSZ5235B
MMSZ5236B
MMSZ5237B
MMSZ5239B
MMSZ5240B
MMSZ5241B
MMSZ5242B
MMSZ5243B
MMSZ5244B
MMSZ5245B
MMSZ5246B
MMSZ5247B
MMSZ5248B
MMSZ5250B
MMSZ5251B
MMSZ5252B
MMSZ5254B
MMSZ5255B
MMSZ5256B
MMSZ5257B
MMSZ5258B
MMSZ5259B
MMSZ5260B
MMSZ5261B
MMSZ5262B
2.4
2.5
2.7
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
14
15
16
17
18
20
22
24
27
28
30
33
36
39
43
47
51
MMSZ5221B THRU MMSZ5262B
PB FREE PRODUCT
500mW SURFACE MOUNT ZENER DIODES
TEMPERATURE COEFFICIENT,(mV /
O
C)
TEMPERATURE COEFFICIENT,(mV /
O
C)
8
7
6
5
4
3
2
1
100
10
0
-1
-2
-3
2
3
4
5
6
7
8
9
10
11
12
1
10
100
NOMINAL ZENER VOLTAGE,VOLTS
NOMINAL ZENER VOLTAGE,VOLTS
Fig.1 TEMPERATURE COEFFICENTS
Fig.2 TEMPERATURE COEFFICENTS
1000
DYNAMIC IMPEDANCE,W
IZ = 1 mA
FORWARD CURRENT,mA
T
J
=25 C
I
Z(AC)=0.1
I
Z(DC)
F=1 kHZ
O
1000
100
5 mA
20 mA
100
10
10
150
O
C
75
O
C
25
O
C
5
O
C
1
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
1
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
FORWARD VOLTAGE, VOLTS
Fig.3 EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE
Fig.4 TYPICAL FORWARD VOLTAGE
1000
0.6
POWER DISSIPATION, Watts
0.5
0.4
0.3
0.2
0.1
0
T
A
=25 C
O
CAPACITANCE,pF
0 V BIAS
1 V BIAS
100
BIASAT
50% OF VZ NOM
10
T
A
=25
o
C
1
0
25
50
75
100
125
150
1
10
NORMAL ZENER VOLTAGE, VOLTS
100
TEMPERATURE (
O
C)
Fig.5 STEADY STATE POWER DERATING
Fig.6 TYPICAL CAPACITANCE
MMSZ5221B THRU MMSZ5262B
PB FREE PRODUCT
500mW SURFACE MOUNT ZENER DIODES
10
-1
10
0
ZENER CURRENT, Amperes
ZENER CURRENT, Amperes
MMSZ5221B
MMSZ5225B
MMSZ5230B
MMSZ5235B
10
-1
MMSZ5240B
10
-2
10
-2
MMSZ5245B
MMSZ5250B
MMSZ5256B
MMSZ5259B
10
-3
10
-3
10
-4
10
-5
10
-4
10
-6
10
-7
10
-5
10
-8
0
2
4
6
8
10
12
10
15
20
25
30
35
40
45
ZENER VOLTAGE, VOLTS
Fig.7 ZENER VOLTAGE VERSUS ZENER CURRENT
ZENER VOLTAGE, VOLTS
Fig.8 ZENER VOLTAGE VERSUS ZENER CURRENT
1000
LEAKAGE CURRENT,uA
100
10
1
0.1
0.01
0.001
0.0001
0.00001
0
10
20
30
40
50
60
70
+150 C
O
+25 C
-55 C
80
90
O
O
NORMAL ZENER VOLTAGE, VOLTS
Fig.9 TYPICAL LEAKAGE CURRENT
