DL4737A [FRONTIER]
1WATT MELF ZENER DIODE; 1瓦MELF稳压二极管
| 型号： | DL4737A |
| 厂家： | 
Frontier Electronics |
| 描述： | 1WATT MELF ZENER DIODE |
| 文件： | 总2页 (文件大小：128K) |
| 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 THRU DL4753A
FEATURES
z LOW COST
z SMALL SIZE
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
DL4729A
DL4730A
DL4731A
DL4732A
DL4733A
DL4734A
DL4735A
DL4736A
DL4737A
DL4738A
DL4739A
DL4740A
DL4741A
DL4742A
DL4743A
DL4744A
DL4745A
DL4746A
DL4747A
DL4748A
DL4749A
DL4750A
DL4751A
DL4752A
DL4753A
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
NOTE: SUFFIX "A" FOR ±5﹪
DL4728A THRU DL4753A
Page: 1
RATINGS AND CHARACTERISTIC CURVES DL4728A THRU DL4753A
FIG.1A- Range for Units to 12 Volts
FIG.1B- Range for Units to 12 to 100 Volts
+12
+10
+8
100
70
50
30
20
+6
10
7
5
+4
VZ＠IZT
RANGE
+2
0
RANGE
VZ＠IZT
3
2
-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
AFFECT 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
200
0VBIAS
100
70
50
100
50
0VBIAS
20
20mA
10
7
20
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, ZENER CURRENT (mA)
VZ, NOMINAL VZ (VOLTS)
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 THRU DL4753A
Page: 2
相关型号：
DL4737A-G
Zener Diode, 7.5V V(Z), 5%, 0.5W, Silicon, Unidirectional, GREEN, GLASS, DL-41, 2 PIN
SENSITRON
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