DL4731A-LFR [FRONTIER]
1WATT MELF ZENER DIODE; 1瓦MELF稳压二极管
| 型号： | DL4731A-LFR |
| 厂家： | 
Frontier Electronics |
| 描述： | 1WATT MELF ZENER DIODE |
| 文件： | 总2页 (文件大小：129K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998 FAX: (805) 522-9989
E-mail: frontiersales@frontierusa.com
Web: http://www.frontierusa.com
1WATT MELF ZENER DIODE
DL4728A-LFR THRU DL4753A-LFR
FEATURES
z LOW COST
z SMALL SIZE
z ROHS
SOLDERABLE ENDS
.105(2.67)
.095(2.41)
MECHANICAL DATA
z CASE: MELF, DIMENSIONS IN INCHES AND (MILLIMETERS)
z TERMINALS: SOLDERABLE PER MIL-STD -202, METHOD 208
z POLARITY: COLOR BAND DENOTES CATHODE
z MOUNTING POSITION: ANY
.022(.60)
.018(.46)
.205(5.2)
.190(4.8)
z WEIGHT: 0.135 GRAMS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE
SPECIFIED STORAGE AND OPERATING TEMPERATURE RANGE -55 TO + 150°C
ELECTRICAL CHARACTERISTICS (TA=25℃ UNLESS OTHERWISE NOTED) VF=1.2V MAX, IF = 200mA FOR ALL TYPES
NOMINAL
SURGE
CURRENT
MAXIMUM ZENER IMPEDANCE
LEAKAGE CURRENT
TEST
CURRENT
IZT
ZENER
VOLTAGE
VZ@ IZT
VOLTS
3.3
JEDEC
TYPE NO
IR
Z
ZT @ IZT
ZZK @ IZK
IZK
VR
@ TA=25℃
OHMS
OHMS
mA
VOLTS
μA MAX
mA
IR－mA
DL4728A-LF
R
DL4729A-LF
R
DL4730A-LF
R
DL4731A-LF
R
DL4732A-LF
R
DL4733A-LF
R
DL4734A-LF
R
DL4735A-LF
R
DL4736A-LF
R
DL4737A-LF
R
DL4738A-LF
R
DL4739A-LF
R
DL4740A-LF
R
DL4741A-LF
R
DL4742A-LF
R
DL4743A-LF
R
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
17
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1
1
1
1
1
1
1
1
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
1
1
1
1
1
1
2
3
4
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
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
15
16
18
20
22
24
27
30
33
1
0.5
0.5
0.5
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
5
6
7
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7.0
5
5
5
5
36
DL4744A-LF
R
NOTE︰SUFFIX "A" FOR ±5﹪
DL4728A-LFR THRU DL4753A-LFR
Page: 1
RATINGS AND CHARACTERISTIC CURVES DL4728A-LFR THRU DL4753A-LFR
FIG.1B- Range for Units to 12 to 100 Volts
FIG.1A- Range for Units to 12 Volts
100
70
50
30
20
+12
+10
+8
+6
10
7
5
3
2
VZ＠IZT
RANGE
+4
+2
0
RANGE
VZ＠IZT
-2
-4
1
2
3
4
5
6
7
8
9
10 11 12
10
20
30
50
70
100
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
Figure 2. Temperature Coefficients (-55℃to+150℃temperature change;90% of the units are in the ranges indicated.)
175
+6
VZ＠IZ
150
125
100
TA=25℃
+4
+2
0
20mA
0.01mA
75
50
25
0
1mA
-2
-4
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS
CHANGES IN ZENER CURRENT DO NOT
EFFECT TEMPERATURE COEFFICIENTS
3
4
5
6
7
8
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
L, LEAD LENGTH TO HEAT SINK (INCHES)
VZ, ZENER VOLTAGE (VOLTS)
Figure 4. Effect of Zener Current
Figure 3. Typical Thermal Resistance versus Lead Length
1000
700
500
400
300
200
Tj=25℃
Iz(ms)=0.1Iz(do)
f=60hz
Iz=1mA
5mA
0VBIAS
200
100
50
100
70
50
0VBIAS
20
20mA
20
10
7
5
10
8
2
1
50%OF BREAKDOWN BIAS
4
1
2
5
10
20
50
100
1
2
3
5
7
10
20 30
50 70 100
VZ, NOMINAL VZ (VOLTS)
VZ, ZENER CURRENT (mA)
Figure. 7 - Power Temperature Derating Curve
1.25
1.0
0.75
0.5
0.25
0
20 40
60
80 100 120 140 160 180 200
T , LEAD TEMPERATURE (OC)
L
DL4728A-LFR THRU DL4753A-LFR
Page: 2
相关型号：
DL4731A-TP
Zener Diode, 4.3V V(Z), 5%, 1W, Silicon, Unidirectional, ROHS COMPLIANT, GLASS, MELF-2
MCC
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