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3EZ25 [PANJIT]

GLASS PASSIVATED JUNCTION SILICON ZENER DIODES; 玻璃钝化结硅稳压二极管
3EZ25
型号： 3EZ25
厂家： PAN JIT INTERNATIONAL INC.    PAN JIT INTERNATIONAL INC.
描述：

GLASS PASSIVATED JUNCTION SILICON ZENER DIODES
玻璃钝化结硅稳压二极管

稳压二极管
文件： 总4页 (文件大小：693K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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DATA SHEET  
3EZ6.8~3EZ100  
GLASS PASSIVATED JUNCTION SILICON ZENER DIODES  
Unit: inch(mm)  
DO-15  
VOLTAGE  
POWER  
3.0 Watts  
6.8 to 100 Volts  
FEATURES  
• Low profile package  
.034(.86)  
.028(.71)  
• Built-in strain relief  
• Glass passivated iunction  
• Low inductance  
• Typical ID less than 1.0µA above 11V  
• Plastic package has Underwriters Laboratory Flammability  
Classification 94V-O  
• High temperature soldering : 260°C /10 seconds at terminals  
• Pb free product are available : 99% Sn above can meet RoHS  
environment substance directive request  
.140(3.6)  
.104(2.6)  
MECHANICALDATA  
Case: JEDEC DO-15, Molded plastic over passivated junction  
Terminals: Solder plated, solderable per MIL-STD-750, Method 2026  
Polarity: Color band denotes positive end (cathode)  
Standard packing: 52mm tape  
Weight: 0.015 ounce, 0.04 gram  
MAXIMUMRATINGSANDELECTRICALCHARACTERISTICS  
Ratings at 25°C ambient temperature unless otherwise specified.  
Param eter  
Sym bol  
Value  
Units  
Pwak Pulse PowerD issipation on TA=50O C (Notes A)  
D erate above 70O C  
3.0  
24.0  
W
atts  
P
D
m W /O C  
Peak Forward Surge C urrent8.3m s single halfsine-wave  
superim posed on rated load (JED EC m ethod)  
15  
Am ps  
IFSM  
O perating Junction and Storage Tem perature Range  
-55 to + 150  
O C  
TJ,TSTG  
NOTES:  
A.Mounted on 5.0mm2 (.013mm thick) land areas.  
B.Measured on8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum  
PAGE . 1  
REV.0-JUN.9.2005  
Max Reverse  
Leakage Current  
Nominal Zener Voltage  
@ IZT  
Maximum Zener Impedance  
Marking  
Code  
Part Number  
V
Z
Z
ZT @ IZT  
Ohms  
I
ZT  
Z
ZK @ IZK  
Ohms  
I
ZK  
IR @VR  
µA  
Nom. V  
Min. V  
Max. V  
mA  
mA  
V
3.0 Watt ZENER  
3EZ6.8  
6.8  
7.5  
6.46  
7.13  
7.14  
7.88  
2.0  
2.0  
110.0  
100.0  
91.0  
85.0  
82.0  
75.0  
68.0  
63.0  
58.0  
53.0  
50.0  
47.0  
44.0  
42.0  
40.0  
37.0  
34.0  
31.0  
30.0  
28.0  
27.0  
25.0  
23.0  
21.0  
19.0  
17.0  
16.0  
15.0  
13.0  
12.5  
12.0  
11.0  
10.0  
9.1  
700  
700  
1.00  
0.50  
0.50  
0.50  
0.50  
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  
0.25  
0.25  
0.25  
0.25  
0.25  
0.25  
5.0  
5.0  
5.0  
4.0  
3.0  
3.0  
1.0  
1.0  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
0.5  
4.0  
5.0  
3EZ6.8  
3EZ7.5  
3EZ8.2  
3EZ8.7  
3EZ9.1  
3EZ10  
3EZ11  
3EZ12  
3EZ13  
3EZ14  
3EZ15  
3EZ16  
3EZ17  
3EZ18  
3EZ19  
3EZ20  
3EZ22  
3EZ24  
3EZ25  
3EZ27  
3EZ28  
3EZ30  
3EZ33  
3EZ36  
3EZ39  
3EZ43  
3EZ47  
3EZ51  
3EZ56  
3EZ60  
3EZ62  
3EZ68  
3EZ75  
3EZ82  
3EZ87  
3EZ91  
3EZ100  
3EZ7.5  
3EZ8.2  
3EZ8.7  
3EZ9.1  
3EZ10  
3EZ11  
3EZ12  
3EZ13  
3EZ14  
3EZ15  
3EZ16  
3EZ17  
3EZ18  
3EZ19  
3EZ20  
3EZ22  
3EZ24  
3EZ25  
3EZ27  
3EZ28  
3EZ30  
3EZ33  
3EZ36  
3EZ39  
3EZ43  
3EZ47  
3EZ51  
3EZ56  
3EZ60  
3EZ62  
3EZ68  
3EZ75  
3EZ82  
3EZ87  
3EZ91  
3EZ100  
8.2  
7.79  
8.61  
2.0  
700  
6.0  
8.7  
8.27  
9.14  
2.0  
700  
6.6  
9.1  
8.65  
9.56  
3.0  
700  
7.0  
10.0  
11.0  
12.0  
13.0  
14.0  
15.0  
16.0  
17.0  
18.0  
19.0  
20.0  
22.0  
24.0  
25.0  
27.0  
28.0  
30.0  
33.0  
36.0  
39.0  
43.0  
47.0  
51.0  
56.0  
60.0  
62.0  
68.0  
75.0  
82.0  
87.0  
91.0  
100.0  
9.50  
10.5  
4.0  
700  
7.6  
10.45  
11.4  
11.55  
12.6  
4.0  
700  
8.4  
5.0  
700  
9.1  
12.35  
13.3  
13.65  
14.7  
5.0  
700  
9.9  
5.0  
700  
10.6  
11.4  
12.2  
13.0  
13.7  
14.4  
15.2  
16.7  
18.2  
19.0  
20.6  
21.0  
22.5  
25.1  
27.4  
29.7  
32.7  
35.8  
38.8  
42.6  
45.6  
47.1  
51.7  
56.0  
62.2  
66.1  
69.2  
76.0  
14.25  
15.2  
15.75  
16.8  
6.0  
700  
6.0  
700  
16.15  
17.1  
17.85  
18.9  
6.0  
750  
6.0  
750  
18.05  
19.0  
19.95  
21.0  
7.0  
750  
7.0  
750  
20.9  
23.1  
8.0  
750  
22.8  
25.2  
9.0  
750  
23.75  
25.65  
26.6  
26.55  
28.35  
29.4  
10  
750  
10  
750  
12.0  
16.0  
20.0  
22.0  
28.0  
33.0  
38.0  
45.0  
50.0  
53.0  
55.0  
70.0  
85.0  
95.0  
100  
115  
160  
750  
28.5  
31.5  
1000  
1000  
1000  
1000  
1500  
1500  
1500  
2000  
2000  
2000  
2000  
2000  
3000  
3000  
3000  
3000  
31.35  
34.2  
34.65  
37.8  
37.05  
40.85  
44.65  
48.45  
53.20  
57.00  
58.90  
64.60  
71.25  
77.90  
82.65  
86.45  
95.00  
40.95  
45.15  
49.35  
53.55  
58.8  
63.0  
65.1  
71.4  
78.75  
86.1  
91.35  
95.55  
105  
8.5  
8.2  
7.5  
PAGE . 2  
REV.0-JUN.9.2005  
1000  
500  
300  
200  
100  
50  
30  
20  
10  
APPLICATION NOTE:  
Since the actual voltage available from a given zener diode is temperature dependent, it is necessary to determinejunction  
temperature under any set of operating conditions in order to calculate its value. The following procedure is recommended:  
Lead Temperature, TL, should be determined from:  
T
L
=qLA P  
D + TA  
qL  
A
is the lead-to-ambient thermal resistance (OC/W) and Pd is the power dissipation. The value for qL  
A
will vary and depends  
on the device mounting method. qL  
A
is generally 30-40 OC/W for the various clips and tie points in common use and for printed  
circuit board wiring.  
The temperature of the lead can also be measured using a thermocouple placed on the lead as close as possible to the tie poin  
The thermal mass connected to the tie point is normally large enough so that it will not significantly respond to heat surges  
generated in the diode as a result of pulsed operation once steady-state conditions are achieved. Using the measured value of  
TL, the junction temperature may be determined by:  
TJ = TL + DTJL  
DTJL is the increase in junction temperature above the lead temperature and may be found from Figure 2 for a train of power puls  
or from Figure 10 for dc power.  
DTJL = qJ  
L PD  
For worst-case design, using expected limits of I  
, can then be found from:  
Z
, limits of PD and the extremes of TJ(DTJ) may be estimated. Changes in volta  
V
Z
DV = qV  
Z DTJ  
qV  
Z, the zener voltage temperature coefficient, is found from Figures 5 and 6.  
Under high power-pulse operation, the zener voltage will vary with time and may also be affected significantly by the zener resis  
For best regulation, keep current excursions as low as possible.  
Data of Figure 2 should not be used to compute surge capa-bility. Surge limitations are given in Figure 3. They are lower than w  
be expected by considering only junction temperature, as current crowding effects cause temperatures to be extremely high in s  
spots resulting in device degradation should the limits of Figure 3 be exceeded.  
PAGE . 3  
REV.0-JUN.9.2005  
PAGE . 4  
REV.0-JUN.9.2005  

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