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1N4757A-LFR [FRONTIER]

1 WATT ZENER DIODE; 1瓦稳压二极管
1N4757A-LFR
型号： 1N4757A-LFR
厂家： Frontier Electronics    Frontier Electronics
描述：

1 WATT ZENER DIODE
1瓦稳压二极管

稳压二极管
文件： 总2页 (文件大小：123K)
中文：  中文翻译
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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  
1 WATT ZENER DIODE  
1N4736A-LFR THRU 1N4764A-LFR  
FEATURES  
z LOW COST  
z SMALL SIZE  
z ROHS  
.205(5.2)  
.166(4.2)  
MECHANICAL DATA  
1.0(25.4)  
MIN  
1.0(25.4)  
MIN  
z CASE: DO-41 DIMENSIONS IN INCHES AND (MILLIMETERS)  
z TERMINALS: AXIAL LEADS, SOLDERABLE PER MIL-STD-202,  
METHOD 208  
z POLARITY: COLOR BAND DENOTES CATHODE  
z MOUNTING POSITION: ANY  
z WEIGHT: 0.34 GRAMS  
.034(0.9)  
.028(0.7)  
.107(2.7)  
.080(2.0)  
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25ºC AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED  
STORAGE AND OPERATING TEMPERATURE RANGE -55ºC TO + 150ºC  
ELECTRICAL CHARACTERISTICS (TA=25ºC UNLESS OTHERWISE NOTED) VF=1.2V MAX, IF = 200mA FOR ALL TYPES  
MAXIMUM ZENER IMPEDANCE  
LEAKAGE CURRENT  
NOMINAL  
ZENER  
VOLTAGE  
VZ@ IZT  
SURGE  
CURRENT  
@ TA=25ºC  
TEST  
CURRENT  
IZT  
JEDEC  
TYPE NO  
IR  
ZZT @ IZT  
OHMS  
Z
ZK @ IZK  
IZK  
mA  
VR  
OHMS  
VOLTS  
μA MAX  
mA  
IR－mA  
VOLTS  
1N4736A-LFR  
1N4737A-LFR  
1N4738A-LFR  
1N4739A-LFR  
1N4740A-LFR  
1N4741A-LFR  
1N4742A-LFR  
1N4743A-LFR  
1N4744A-LFR  
1N4745A-LFR  
1N4746A-LFR  
1N4747A-LFR  
1N4748A-LFR  
1N4749A-LFR  
1N4750A-LFR  
1N4751A-LFR  
1N4752A-LFR  
1N4753A-LFR  
1N4754A-LFR  
1N4755A-LFR  
1N4756A-LFR  
1N4757A-LFR  
1N4758A-LFR  
1N4759A-LFR  
1N4760A-LFR  
1N4761A-LFR  
1N4762A-LFR  
1N4763A-LFR  
1N4764A-LFR  
6.8  
7.5  
8.2  
9.1  
10  
11  
12  
13  
15  
16  
18  
20  
22  
24  
27  
30  
33  
36  
39  
43  
47  
51  
56  
62  
68  
75  
82  
91  
100  
37  
34  
31  
28  
25  
23  
21  
19  
17  
3.5  
4
4.5  
5
7
8
700  
700  
700  
700  
700  
700  
700  
700  
700  
700  
750  
750  
750  
750  
750  
1000  
1000  
1000  
1000  
1500  
1500  
1500  
2000  
2000  
2000  
2000  
3000  
3000  
3000  
1
0.5  
0.5  
0.5  
10  
10  
10  
10  
10  
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
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  
29.7  
32.7  
35.8  
38.8  
42.6  
47.1  
51.7  
56  
660  
605  
550  
500  
454  
414  
380  
344  
304  
285  
250  
225  
205  
190  
170  
150  
135  
125  
115  
110  
95  
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  
9
10  
14  
16  
20  
22  
23  
25  
35  
40  
45  
50  
60  
70  
80  
95  
110  
125  
150  
175  
200  
250  
350  
15.5  
14  
12.5  
11.5  
10.5  
9.5  
8.5  
7.5  
7
6.5  
6
5.5  
5
4.5  
4
3.7  
3.3  
3
2.8  
2.5  
90  
80  
70  
65  
60  
55  
50  
45  
5
5
5
62.2  
69.2  
76  
NOTE︰SUFFIX "A" FOR ± 5%  
1N4736A-LFR THRU 1N4764A-LFR  
Page: 1  
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  
VZ@IZT  
10  
7
5
+4  
RANGE  
+2  
0
VZ@IZT  
RANGE  
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 (-55ºC to+150ºC temperature change; 90% of the units are in the ranges indicated.)  
175  
+6  
VZ@IZ  
TA=25ºC  
150  
125  
100  
+4  
20mA  
+2  
0.01mA  
75  
50  
25  
0
0
1mA  
-2  
NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS  
CHANGES IN ZENER CURRENT DO NOT  
EFFECT TEMPERATURE COEFFICIENTS  
-4  
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  
VZ, ZENER VOLTAGE (VOLTS)  
L, LEAD LENGTH TO HEAT SINK (INCHES)  
Figure 3. Typical Thermal Resistance versus Lead Length  
Figure 4. Effect of Zener Current  
1000  
700  
500  
400  
300  
200  
Tj=25ºC  
Iz(ms)=0.1Iz(do  
)
Iz=1mA  
200  
0VBIAS  
100  
70  
50  
100  
50  
5mA  
0VBIAS  
20  
20mA  
10  
7
20  
5
10  
8
2
1
50%OF  
4
1
2
3
5
7
10  
20 30  
50 70 100  
1
2
5
10  
20  
50  
100  
VZ, ZENER CURRENT (mA)  
VZ, NOMINAL VZ (VOLTS)  
Figure. 7 - Power Temperature De-rating 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
1N4736A-LFR THRU 1N4764A-LFR  
Page: 1  

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