MMBZ5257B [RECTRON]
SURFACE MOUNT ZENER DIODE VOLTAGE RANGE 2.7 to 39 Volts POWER RATING 350 mWatts; 表面贴装齐纳二极管电压范围为2.7〜 39伏特,额定功率350毫瓦型号: | MMBZ5257B |
厂家: | RECTRON SEMICONDUCTOR |
描述: | SURFACE MOUNT ZENER DIODE VOLTAGE RANGE 2.7 to 39 Volts POWER RATING 350 mWatts |
文件: | 总4页 (文件大小:245K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
MMBZ5223B-
MMBZ5259B
SURFACE MOUNT ZENER DIODE
VOLTAGE RANGE 2.7 to 39 Volts POWER RATING 350 mWatts
FEATURES
* Planar Die Constrruction
350 mW Power Dissipation
Zener Volages from 2.7V-39V
Ldeally Suited for Automated Assembly Processes
*
*
*
SOT-23
MECHANICAL DA TA
* Case: Molded plastic
0.055(1.40)
0.047(1.20)
* Epoxy: UL 94V-O rate flame retardant
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
0.007(0.178)
0.003(0.076)
0.043(1.10)
0.035(0.89)
0.024(0.61)
0.018(0.45)
0.006(0.150)
0.001(0.013)
* Weight: 0.008 gram
0.098(2.50)
0.083(2.10)
0.020(0.51)
0.015(0.37)
0.081(2.05)
0.070(1.78)
0.120(3.05)
0.104(2.65)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Dimensions in inches and (millimeters)
MAXIMUM RATINGES ( @ TA = 25oC unless otherwise noted )
RATINGS
SYMBOL
VALUE
350
UNITS
o
Max. Steady State Power Dissipation @TA=25 C
Max. Operating Temperature Range
Storage Temperature Range
PD
TJ
mW
oC
-65 to +150
-65 to +150
TSTG
oC
ELECTRICAL CHARACTERISTICS ( @ TA = 25oC unless otherwise noted )
CHARACTERISTICS
Thermal Resistance Junction to Ambient
Max. Instantaneous Forward Voltage at IF= 10mA
SYMBOL
MIN.
TYP.
MAX.
357
UNITS
oC/W
Volts
R qJA
VF
-
-
-
-
0.9
Note 1.Valid provided that device terminals are kept at ambient temperature.
2008-12
REV: A
ELECTRICAL CHARACTERISTICS (@TA=25OC unless otherwise specified)
Zener voltage Range(Note 1)
Test
Maximum Zener impedance
Maximum
reverse leakage current
VZ
(V) @ IZT
current
TYPE
Z
at IZT
(W)
ZT
at
Nom
Volts
Max
Min
Z
(W)
ZK
IZK
IR
at VR
Volts
Volts
IZT (mA)
(mA)
(uA)
(V)
2.7
3.0
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
2.84
3.15
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
30
30
28
24
23
22
19
17
11
7
1300
1600
1600
1700
1900
2000
1900
1600
1600
1000
750
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
75
50
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
3.0
4.0
5.0
6.0
6.5
7.0
8.0
8.4
9.1
9.9
11
MMBZ5223B
MMBZ5225B
MMBZ5226B
MMBZ5227B
MMBZ5228B
MMBZ5229B
MMBZ5230B
MMBZ5231B
MMBZ5232B
MMBZ5234B
MMBZ5235B
MMBZ5236B
MMBZ5237B
MMBZ5239B
MMBZ5240B
MMBZ5241B
MMBZ5242B
MMBZ5243B
MMBZ5245B
MMBZ5246B
MMBZ5248B
MMBZ5250B
MMBZ5251B
MMBZ5252B
MMBZ5254B
MMBZ5255B
2.57
2.85
3.47
25
3.14
3.78
15
3.42
4.10
10
3.71
4.52
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
4.09
4.94
4.47
5.36
4.85
5.88
5.32
6.51
5.89
7.14
5
6.46
7.88
6
500
7.13
8.61
8
500
7.79
9.56
10
17
22
30
13
16
17
21
25
29
33
41
44
600
8.65
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
29.40
600
9.50
11
600
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
26.60
12
600
13
600
15
600
16
600
12
18
600
14
20
600
15
22
600
17
24
600
18
27
600
21
28
600
21
30
33
31.50
34.65
4.2
3.8
49
58
600
700
0.25
0.25
0.1
0.1
23
25
MMBZ5256B
MMBZ5257B
28.50
31.35
36
39
37.80
40.95
3.4
3.2
70
80
700
800
0.25
0.25
0.1
0.1
27
30
MMBZ5258B
MMBZ5259B
34.20
37.05
Note 1. Tested with pulses,Tp<1.0ms.
RATING AND CHARACTERISTICS CURVES(MMBZ5223B-MMBZ5259B)
100
8
7
6
TYPICAL T VALUES
C
FOR MMBZ5223B SERIES
TYPICAL T VALUES
C
FOR MMBZ5223B SERIES
5
4
V @I
V @I
Z
Z
ZT
ZT
3
2
1
0
10
-1
-2
-3
1
2
3
4
5
6
7
8
9
10
11
12
10
100
V
,NOMINAL ZENER VOLTAGE(V)
V ,NOMINAL ZENER VOLTAGE(V)
Z
Z
Figure 1 Temperature Coefficients
Figure 2 Temperature Coefficients
1000
100
10
1000
= 25OC
T
I
= 25OC
T
A
J
0 V BIAS
1 V BIAS
= 0.1I
(AC)
(DC)
Z
Z
I
= 1 mA
Z
f = 1KHz
100
10
5 mA
BIAS AT
50% OF V NOM
20 mA
Z
1
1
1
10
,NOMINAL ZENER VOLTAGE
100
1
10
V ,NOMINAL ZENER VOLTAGE(V)
Z
100
V
Z
Figure 3 Effect of Zener Voltage on Zener Impedance
Figure 4 Typical Capacitance
100
10
1000
100
T
= 25OC
A
10
1
+150OC
0.1
1
0.1
0.01
+25OC
-55OC
0.001
0.0001
0.00001
0.01
0
10
20
V
30
40
50
60
70
80
90
0
2
4
6
8
10
12
,NOMINAL ZENER VOLTAGE(V)
V
,ZENER VOLTAGE(V)
Z
Z
Figure 5 Typical Leakage Current
Figure 6 Zener Voltage versus Zener Current
(VZ Up to 91V)
DISCLAIMER NOTICE
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.
Rectron products are not designed, intended or authorized for use in medical,
life-saving implant or other applications intended for life-sustaining or other rela-
ted applications where a failure or malfunction of component or circuitry may di-
rectly or indirectly cause injury or threaten a life without expressed written appr-
oval of Rectron Inc. Customers using or selling Rectron components for use in
such applications do so at their own risk and shall agree to fully indemnify Rect-
ron Inc and its subsidiaries harmless against all claims, damages and expendit-
ures.
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