Rectron MMSZ5251B Surface mount zener diode voltage range 2.4 to 43 volts power rating 500 mwatt Datasheet

RECTRON
MMSZ5221BMMSZ5260B
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SURFACE MOUNT ZENER DIODE
VOLTAGE RANGE 2.4 to 43 Volts POWER RATING 500 mWatts
FEATURES
*
*
*
*
Planar Die Construction
500mW Power Dissipation
General Purpose, Medium Current
Ldeally Suited for Automated Assembly Processes
SOD-123
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
.110(2.80)
.102(2.60)
.006(.15)
.026(.65)
.018(.45)
.067(1.70)
.059(1.50)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
.152(3.85)
.140(3.55)
.003(.08)
*
*
*
*
*
.049(1.25)
.041(1.05)
o
Ratings at 25 C ambient temperature unless otherwise specified.
REF .020(0.50)
.004(0.10)
.000(0.00)
Dimensions in inches and (millimeters)
o
MAXIMUM RATINGES ( @ TA = 25 C unless otherwise noted )
RATINGS
Max. Steady State Power Dissipation
@TA=25oC
Max. Operating Temperature Range
Storage Temperature Range
SYMBOL
(Note 1)
VALUE
UNITS
PD
500
mW
TJ
-65 to +150
o
C
-65 to +150
o
C
TSTG
ELECTRICAL CHARACTERISTICS ( @ TA = 25oC unless otherwise noted )
SYMBOL
MIN.
TYP.
MAX.
Thermal Resistance Junction to Ambient (Note 1)
CHARACTERISTICS
R θJA
-
-
350
o
Max. Instantaneous Forward Voltage at IF= 10mA
VF
-
-
0.9
Volts
Note 1. Dveice mounted on ceramic PCB; 7.6mm x 9.4mm x 0.87mm with pad areas 25
mm2.
UNITS
C/W
2006-3
ELECTRICAL CHARACTERISTICS
TYPE
O
(@TA=25 C unless otherwise specified)
Zener voltage Range (Note 1)
Test
VZ (V) @ IZT
current
Maximum Zener impedance
Volts
Volts
Volts
IZT (mA)
ZZT
at IZT
(Ω)
MMSZ5221B
2.4
2.28
2.52
20
30
1200
MMSZ5223B
2.7
2.57
2.84
20
30
1300
MMSZ5225B
3.0
2.85
3.15
20
30
MMSZ5226B
3.3
3.14
3.47
20
28
MMSZ5227B
3.6
3.42
3.78
20
MMSZ5228B
3.9
3.71
4.10
20
MMSZ5229B
4.3
4.09
4.52
MMSZ5230B
4.7
4.47
4.94
MMSZ5231B
5.1
4.85
MMSZ5232B
5.6
5.32
MMSZ5233B
6.0
MMSZ5234B
6.2
MMSZ5235B
6.8
MMSZ5236B
7.5
MMSZ5237B
MMSZ5238B
Nom
Min
Max
at
IZK
(mA)
IR
(uA)
at VR
(V)
0.25
100
1.0
0.25
75
1.0
1600
0.25
50
1.0
1600
0.25
25
1.0
24
1700
0.25
15
1.0
23
1900
0.25
10
1.0
20
22
2000
0.25
5.0
1.0
20
19
1900
0.25
5.0
2.0
5.36
20
17
1600
0.25
5.0
2.0
5.88
20
11
1600
0.25
5.0
3.0
5.70
6.30
20
7
1600
0.25
5.0
3.5
5.89
6.51
20
7
1000
0.25
5.0
4.0
6.46
7.14
20
5
750
0.25
3.0
5.0
7.13
7.88
20
6
500
0.25
3.0
6.0
8.2
7.79
8.61
20
8
500
0.25
3.0
6.5
8.7
8.27
9.14
20
8
600
0.25
3.0
6.5
MMSZ5239B
9.1
8.65
9.56
20
10
600
0.25
3.0
7.0
MMSZ5240B
10
9.50
10.50
20
17
600
0.25
3.0
8.0
MMSZ5241B
11
10.45
11.55
20
22
600
0.25
2.0
8.4
MMSZ5242B
12
11.40
12.60
20
30
600
0.25
1.0
9.1
MMSZ5243B
13
12.35
13.65
9.5
13
600
0.25
0.5
9.9
MMSZ5245B
15
14.25
15.75
8.5
16
600
0.25
0.1
11
MMSZ5246B
16
15.20
16.80
7.8
17
600
0.25
0.1
12
MMSZ5248B
18
17.10
18.90
7.0
21
600
0.25
0.1
14
MMSZ5250B
20
19.00
21.00
6.2
25
600
0.25
0.1
15
MMSZ5251B
22
20.90
23.10
5.6
29
600
0.25
0.1
17
MMSZ5252B
24
22.80
25.20
5.2
33
600
0.25
0.1
18
MMSZ5254B
27
25.65
28.35
5.0
41
600
0.25
0.1
21
MMSZ5255B
28
26.60
29.40
4.5
44
600
0.25
0.1
21
MMSZ5256B
30
28.50
31.50
4.2
49
600
0.25
0.1
23
MMSZ5257B
33
31.35
34.65
3.8
58
700
0.25
0.1
25
MMSZ5258B
36
34.20
37.80
3.4
70
700
0.25
0.1
27
MMSZ5259B
39
37.05
40.95
3.2
80
800
0.25
0.1
30
MMSZ5260B
43
40.85
45.15
3.0
93
900
0.25
0.1
33
Note 1. Tested with pulses,Tp<1.0ms.
ZZK
(Ω)
Maximum Reverse
leakage current
RECTRON
RATING AND CHARACTERISTICS CURVES ( MMBZ5221B-MMBZ5260B )
1000
0.6
TJ = 25 C
CT,TOTAL CAPACITANCE(pF)
PD,POWER DISSIPATION(W)
O
0.5
0.4
0.3
0.2
0.1
0
0
25
50
75
100
125
100
VR = 1V
VR = 2V
10
150
1
10
TA,AMBIENT TEMPERATURE(OC)
Figure 1 Power Dissipation vs Ambient Temperature
Figure 2 Typical Capacitance
50
IZ,ZENER CURRENT(mA)
DYNAMIC ZENER IMPEDANCE(W)
1000
IZ = 1.0mA
100
10
1
1
10
6V8
8V2
30
20
Test Current Iz
20mA
10
0
15
20
Test Current Iz
Nominal Zener Voltage
18
22
10
0
0
10
27
20
33
36 39
30
VZ,ZENER VOLTAGE(V)
Figure 5 Zener Breakdown Characteristics
40
% OF PEAK PULSE CURRENT
IZ,ZENER CURRENT(mA)
12
2
3
4
5
6
7
8
9
10
Figure 4 Zener Breakdown Characteristics
100
10
1
VZ,ZENER VOLTAGE(V)
Figure 3 Zener Voltage vs Zener Impedence
TJ = 25OC
5V6
40
0
100
TJ = 25OC
VZ,NOMINAL ZENER VOLTAGE(V)
30
100
VZ,NOMINAL ZENER VOLTAGE(V)
PEAK VALUE IRSM @ 8 s
tr
90
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 s
80
70
60
50
HALF VALUE IRSM/2 @ 20 s
40
30
tP
20
10
0
0
20
40
60
80
t, TIME ( s)
Figure 6. 8× 20 s Pulse Waveform
RECTRON
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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 liability for any errors or inaccuracies. Data sheet specifications and its information
contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or
use of any product or circuit.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in
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