RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Planar Die Construction
*500mW Power Dissipation
*General Purpose, Medium Current
*
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-O rate flame retardant
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.01 gram
SOD-123
Dimensions in inches and (millimeters)
REF .020(0.50)
.028(.71)
.020(.51)
.152(3.86)
.140(3.56)
.071(1.80)
.055(1.40)
.112(2.84)
.100(2.54)
.006(.15)
.003(.08)
.053(1.35)
.037(0.94)
.004(0.10)
.000(0.00)
MMSZ5221B-
MMSZ5260B
Ldeally Suited for Automated Assembly Processes
2006-3
ELECTRICAL CHARACTERISTICS ( @ TA = 25oC unless otherwise noted )
Max. Instantaneous Forward Voltage at IF= 10mA
CHARACTERISTICS SYMBOL UNITS
350
0.9
Volts
oC/WThermal Resistance Junction to Ambient (Note 1)
Note 1. Dveice mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25 mm2.
MAXIMUM RATINGES ( @ TA = 25oC unless otherwise noted )
RATINGS
Max. Steady State Power Dissipation @TA=25oC (Note 1)
Max. Operating Temperature Range
Storage Temperature Range
SYMBOL
PD
TJ
TSTG
R θJA
VF
VALUE
MAX.
-
-
TYP.
-
-
MIN.
UNITS
mW500
-65 to +150
-65 to +150
oC
oC
SURFACE MOUNT ZENER DIODE
VOLTAGE RANGE 2.4 to 43 Volts POWER RATING 500 mWatts
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
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
MMSZ5260B
RECTRON
ELECTRICAL CHARACTERISTICS
(@TA=25OC unless otherwise specified)
Test Maximum Zener impedance Maximum Reverse
Max
Min
Nom
Volts
Volts
Volts
Zener voltage Range (Note 1) current leakage current
V
Z
(V) @ I
ZT
Z
ZT
at
at I
ZT
Z
ZK
I
ZK
I
R
at V
R
I
ZT
(mA) (mA) (uA) (V)
TYPE
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
100
75
50
25
15
10
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
0.25
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
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
30
30
30
28
24
23
22
19
17
11
7
7
5
6
8
8
10
17
22
30
13
16
17
21
25
29
33
41
44
49
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
8.5
7.8
7.0
6.2
5.6
5.2
5.0
4.5
4.2
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
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
28.50
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
10
11
12
13
15
16
18
20
22
24
27
28
30
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
10.50
9.56
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
31.50
(Ω)(Ω)
25
27
30
0.1
0.1
0.1
0.25
0.25
0.25
700
700
800
58
70
80
3.8
3.4
3.2
31.35
34.20
37.05
33
36
39
34.65
37.80
40.95
330.10.25900933.040.8543 45.15
Note 1. Tested with pulses,Tp<1.0ms.
RECTRON
RATING AND CHARACTERISTICS CURVES ( MMBZ5221B-MMBZ5260B )
0.4
0.5
0.6
0.3
0.2
0.1
0
1000
100
10
1000
1
100
10
1 10 100
0 10 20 30 40
0 25 50 75 100 125 150 1 10 100
30
20
10
0
PD,POWER DISSIPATION(W)DYNAMIC ZENER IMPEDANCE(W)
IZ,ZENER CURRENT(mA)
CT,TOTAL CAPACITANCE(pF)
Figure 1 Power Dissipation vs Ambient Temperature
Figure 3 Zener Voltage vs Zener Impedence
TA,AMBIENT TEMPERATURE(
O
C) VZ,NOMINAL ZENER VOLTAGE(V)
VZ,NOMINAL ZENER VOLTAGE(V)
Figure 2 Typical Capacitance
VZ,ZENER VOLTAGE(V)
Figure 5 Zener Breakdown Characteristics
I
Z
= 1.0mA
TJ = 25
O
C10
12
15
18
22 27
33 36 39
50
40
30
20
10
0
0 1 2 3 4 5 6 7 8 9 10
IZ,ZENER CURRENT(mA)
VZ,ZENER VOLTAGE(V)
Figure 4 Zener Breakdown Characteristics
T
J
= 25
O
C5V6
6V8
8V2
Test Current Iz
20mA
Test Current Iz
Nominal Zener Voltage
T
J
= 25
O
C
V
R
= 1V
V
R
= 2V
100
Figure 6. 8
× 20 s Pulse Waveform
90
80
70
60
50
40
30
20
10
0020406080
t, TIME ( s)
t
P
t
r
PULSE WIDTH (t
P
) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 s
HALF VALUE I
RSM
/2 @ 20 s
% OF PEAK PULSE CURRENT
PEAK VALUE I
RSM
@ 8 s
RECTRON
Rectron Inc reserves the right to make changes without notice to any product
specification herein, to make corrections, modifications, enhancements or other
changes. Rectron Inc or anyone on its behalf assumes no responsibility or liabi-
lity for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" paramet-
ers which may be included on RECTRON data sheets and/ or specifications ca-
n and do vary in different applications and actual performance may vary over ti-
me. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
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