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CD957B PDF预览

CD957B

更新时间: 2024-11-11 22:40:11
品牌 Logo 应用领域
CDI-DIODE /
页数 文件大小 规格书
2页 118K
描述
0.5 WATT CAPABILITY WITH PROPER HEAT SINKING

CD957B 数据手册

 浏览型号CD957B的Datasheet PDF文件第2页 
• 1N962B THRU 1N986B AVAILABLE IN JANHC AND JANKC  
PER MIL-PRF-19500/117  
CD957B  
thru  
• ZENER DIODE CHIPS  
CD986B  
• 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING  
• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE  
• COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,  
WITH THE EXCEPTION OF SOLDER REFLOW  
23 MILS  
15 MILS  
MAXIMUM RATINGS  
Operating Temperature: -65°C to +175°C  
Storage Temperature: -65°C to +175°C  
Forward Voltage @ 200mA: 1.5 volts maximum  
ELECTRICAL CHARACTERISTICS @ 25°C  
CDI  
TYPE  
NUMBER  
NOMINAL  
ZENER  
VOLTAGE  
ZENER  
TEST  
CURRENT  
MAX. DC  
ZENER  
CURRENT  
MAXIMUM ZENER IMPEDANCE  
(NOTE 3)  
MAX. REVERSE  
LEAKAGE CURRENT  
V
Z
l
l
l
@ V  
ZT  
ZM  
R R  
Backside is Cathode  
(NOTE 1)  
(NOTE 2)  
Z
@ l  
Z
@ l  
ZK ZK  
ZT  
ZT  
VOLTS  
mA  
OHMS  
OHMS  
mA  
mA  
µ A  
VOLTS  
FIGURE 1  
CD957B  
CD958B  
CD959B  
CD960B  
CD961B  
6.8  
7.5  
8.2  
9.1  
10  
18.5  
16.5  
15.0  
14.0  
12.5  
4.5  
5.5  
6.5  
7.5  
8.5  
700  
700  
700  
700  
700  
1.0  
.5  
.5  
.5  
.25  
55  
50  
45  
41  
38  
5.0  
5.0  
5.0  
5.0  
2.0  
5.2  
5.7  
6.2  
6.9  
7.6  
CD962B  
CD963B  
CD964B  
CD965B  
CD966B  
11  
12  
13  
15  
16  
11.5  
10.5  
9.5  
8.5  
7.8  
9.5  
11.5  
13  
16  
17  
700  
700  
700  
700  
700  
.25  
.25  
.25  
.25  
.25  
32  
31  
28  
25  
24  
1.0  
1.0  
0.5  
0.5  
0.5  
8.4  
9.1  
9.9  
11  
DESIGN DATA  
12  
CD967B  
CD968B  
CD969B  
CD970B  
CD971B  
18  
20  
22  
24  
27  
7.0  
6.2  
5.6  
5.2  
4.6  
21  
25  
29  
33  
41  
750  
750  
750  
750  
750  
.25  
.25  
.25  
.25  
.25  
20  
18  
16  
15  
13  
0.5  
0.5  
0.5  
0.5  
0.5  
14  
15  
17  
18  
21  
METALLIZATION:  
Top: (Anode) .....................Al  
Back: (Cathode) ...............Au  
AL THICKNESS...........25,000 Å Min  
GOLD THICKNESS. ......4,000 Å Min  
CHIP THICKNESS. ................10 Mils  
CD972B  
CD973B  
CD974B  
CD975B  
CD976B  
30  
33  
36  
39  
43  
4.2  
3.8  
3.4  
3.2  
3.0  
49  
58  
70  
90  
93  
1000  
1000  
1000  
1000  
1500  
.25  
.25  
.25  
.25  
.25  
12  
11  
10  
9.5  
8.8  
0.5  
0.5  
0.5  
0.5  
0.5  
23  
25  
27  
30  
33  
CD977B  
CD978B  
CD979B  
CD980B  
CD981B  
47  
51  
56  
62  
68  
2.7  
2.5  
2.2  
2.0  
1.8  
105  
125  
150  
185  
230  
1500  
1500  
2000  
2000  
2000  
.25  
.25  
.25  
.25  
.25  
7.9  
7.4  
6.8  
6.0  
5.5  
0.5  
0.5  
0.5  
0.5  
0.5  
36  
39  
43  
47  
52  
CIRCUIT LAYOUT DATA:  
For Zener operation, cathode  
must be operated positive  
with respect to anode.  
CD982B  
CD983B  
CD984B  
CD985B  
CD986B  
75  
82  
91  
100  
110  
1.7  
1.5  
1.4  
1.3  
1.1  
270  
330  
400  
500  
750  
2000  
3000  
3000  
3000  
4000  
.25  
.25  
.25  
.25  
.25  
5.0  
4.6  
4.1  
3.7  
3.3  
0.5  
0.5  
0.5  
0.5  
0.5  
56  
62  
69  
76  
84  
TOLERANCES: ALL  
Dimensions + 2 mils  
NOTE 1  
Zener voltage range equals nominal voltage + 5% for “B” Suffix. “A” Suffix denotes + 10%,  
No Suffix denotes + 20%. "C" suffix = + 2% and "D" suffix = + 1%.  
NOTE 2  
NOTE 3  
Zener voltage is read using a pulse measurement, 10 milliseconds maximum.  
Zener impedance is derived by superimposing on 1 A 60Hz rms a.c. current equal  
ZT  
to 10% of 1  
ZT  
22 COREY STREET, MELROSE, MASSACHUSETTS 02176  
PHONE (781) 665-1071  
WEBSITE: http://www.cdi-diodes.com  
FAX (781) 665-7379  
E-mail: mail@cdi-diodes.com  

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