EEWORLDEEWORLDEEWORLD

Part Number

Search

ZMM5250B

Description
20 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE
CategoryDiscrete semiconductor    diode   
File Size232KB,4 Pages
ManufacturerWeitron Technology
Websitehttp://weitron.com.tw/
Download Datasheet Parametric View All

ZMM5250B Online Shopping

Suppliers Part Number Price MOQ In stock  
ZMM5250B - - View Buy Now

ZMM5250B Overview

20 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE

ZMM5250B Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerWeitron Technology
Reach Compliance Codeunknow
ECCN codeEAR99
ConfigurationSINGLE
Diode typeZENER DIODE
Maximum dynamic impedance25 Ω
JESD-609 codee0
Number of components1
Maximum operating temperature175 °C
Maximum power dissipation0.5 W
Nominal reference voltage20 V
surface mountYES
Terminal surfaceTin/Lead (Sn/Pb)
Maximum voltage tolerance5%
Working test current6.2 mA
Base Number Matches1

ZMM5250B Preview

ZMM5221B thru ZMM5262B
Surface Mount Zener Diodes
P b
Lead(Pb)-Free
Features:
* 500mw Power Dissipation
* General Purpose, Medium Current
* Ideal for Surface Mountted Application
SMALL SIGNAL
ZENER DIODES
0.5 WATTS
Mechanical Data:
* Case : MINI-MELF Glass Case(SOD-80)
* Weight : Approx 0.05 gram
MINI-MELF
MINI-MELF Outline Dimensions
Unit:m m
A
B
C
MINI MELF
Dim
A
B
C
Min
3.30
1.30
0.28
Max
3.70
1.60
0.50
http://www.weitron.com.tw
WEITRON
ZMM5221B thru ZMM5262B
WEITRON
mW
C/W
V
C
Maximum Ratings and Electrical Characteristics
(TA=25 C Unless Otherwise Noted)
Symbol
Characteristics
Unit
Value
Power Dissipation T
A
=75 C
(1)
Thermal Resistance Junction to Ambient Air
(1)
Forward Voltage @ IF=200mA
Operation and Storage Temperature Range
PD
R JA
VF
Tj,TSTG
500
300
1.1
-65 to+175
NOTES:1.Valid Provided that Electrodes are Kept at Ambient Temperature.
http://www.weitron.com.tw
WEITRON
ZMM5221B
thru
ZMM5262B
Electrical Characteristics
Zener Voltage(Note1)
Part
Number
ZMM5221B
ZMM5222B
ZMM5223B
ZMM5224B
ZMM5225B
ZMM5226B
ZMM5227B
ZMM5228B
ZMM5229B
ZMM5230B
ZMM5231B
ZMM5232B
ZMM5233B
ZMM5234B
ZMM5235B
ZMM5236B
ZMM5237B
ZMM5238B
ZMM5239B
ZMM5240B
ZMM5241B
ZMM5242B
ZMM5243B
ZMM5244B
ZMM5245B
ZMM5246B
ZMM5247B
ZMM5248B
ZMM5249B
ZMM5250B
ZMM5251B
ZMM5252B
ZMM5253B
ZMM5254B
ZMM5255B
ZMM5256B
ZMM5257B
ZMM5258B
ZMM5259B
ZMM5260B
ZMM5261B
ZMM5262B
Vz
Nom
(V)
2.4
2.5
2.7
2.8
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
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
Min
(V)
2.28
2.38
2.57
2.66
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
13.30
14.24
15.20
16.15
17.10
18.05
19.00
20.90
22.80
23.75
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
2.94
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
10.50
11.55
12.60
13.65
14.70
15.75
16.80
17.85
18.90
19.95
21.00
23.010
25.20
26.25
28.35
29.40
31.50
34.65
37.80
40.95
45.15
49.35
53.55
@I
ZT
(
mA
)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
Max ,Reverse
Leakage Current
I
R
@V
R
(
A
)
100
100
75
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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
(V )
1.0
1.0
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
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
(
W
)
30
30
30
30
29
28
24
23
22
19
17
11
7.0
7.0
5.0
6.0
8.0
8.0
10
17
22
30
13
15
16
17
19
21
23
25
29
33
35
41
44
49
58
70
80
93
105
125
Max, Zener Impedance
Z
ZT
@I
ZT
( mA)
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
9.0
8.5
7.8
7.4
7.0
6.6
6.2
5.6
5.2
5.0
4.6
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
WE IT R ON
(T
A
=25 C unless otherwise noted, V
F
=1.1 V Max. @I
F
=200mA for all types)
Typical Temperature
Coefficient
Tc
%/C
-0.085
-0.085
-0.085
-0.085
-0.075
-0.070
-0.065
-0.060
-0.055
±0.030
±0.030
+0.038
+0.038
+0.045
+0.050
+0.058
+0.062
+0.065
+0.068
+0.075
+0.076
+0.077
+0.079
+0.082
+0.082
+0.083
+0.084
+0.085
+0.086
+0.086
+0.087
+0.087
+0.089
+0.090
+0.091
+0.091
+0.092
+0.093
+0.094
+0.095
+0.095
+0.096
1. Zener voltage is measured with a pulse test current Iz at an ambient temperture of 25 C
2. Zenner Voltage Tolerance Suffix "B" For 5%
http://www.weitron.com.tw
WEITRON
ZMM5221B
thru
ZMM5262B
Cj , JUNCTION CAPACITANCE(pF)
500
200
WE IT R ON
VR=2.0V
TJ=25 C
P
D
,POWER DISSIPATION(mW)
400
150
300
100
200
100
50
0
0
40
80
120
160
200
0
0
5
10
15
20
25
T
A
, AMBIENT TEMPERATURE
FIG 1, Power Dissipation vs Ambient Temperature
1000
DIFFERENTIAL ZENER RESISTANCE ( )
Fig 2., Junction Capacitance vs Zener Voltage
V
Z
, ZENER VOLTAGE (V)
Tj=25 C
100
Iz=1.0 mA
5.0 mA
10
10 mA
1
0
5
10
15
20
25
FIG 3, DIFFERENTIAL ZENER IMPEDANCE
V
Z
, ZENER VOLTAGE (V)
r(t), NORMALIZED EFFECTIVE
TRANSIENT THE RMAL RESISRTANCE ( C)
1000
100
R
JA
(1)=r(1) R
JA
R
JA
= 300K/W
10
P(pk)
1.0
0.1
D=0.5
0.2
0.1
0.05
0.02
0.01
t1
t2
TJ-TA=Ppk R
JA
Duty Cycle, D=t1/t2
1.0
10
100
1000
t1, SQUARE WAVE PULSE DURATION (seconds)
Fig 4 ,Typical Normallzed Transient Thermal Impedance Curves
WEITRON
http//www.weitron.com.tw
WEBENCH-FAQ Collection
{:1_102:}{:1_102:}{:1_102:} [color=#565656][backcolor=rgb(237, 235, 235)][font=微软雅黑] [/font][/backcolor][/color] [size=3]Have you used WEBENCH? What problems have you encountered while using WEBENCH? ...
okhxyyo Download Centre
Installation and testing of CURL in Linux
Installation and testing of CURL in linux I checked the official website and found that the latest version of curl is 7.60.0. Download address ( [url]https://curl.haxx.se/download/[/url] ) 1: Use the ...
wateras1 RF/Wirelessly
About the serial number of STM32F
1. Can the specific IC model used be identified from the serial number?2. Does each IC have a separate serial number? Or do all MCUs in a series share one serial number?...
ztl7984 stm32/stm8
Wireless transceiver
Recently, I made a remote-controlled LED lamp. People are very interested in the wireless remote control. I will explain it in detail today. LED desk lamp link: https://bbs.eeworld.com.cn/thread-31111...
wllyj Microcontroller MCU
Bluetooth Low Energy Wireless Sensors
Today, technology is developing rapidly, and various devices are making the world smarter. The continuous emergence of new technologies not only improves existing technologies, but also creates new ma...
silicontra2018 RF/Wirelessly
About the header file of 2812
This is my first time using dsp. The source material I downloaded from hellodsp has standard header files. But I found that there are also header files in the cgtools folder in the ccs folder. Do I ne...
bagebike DSP and ARM Processors

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 685  855  2175  2395  2115  14  18  44  49  43 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号