CDI-DIODE CD5254B

• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
CD5221B
thru
• ELECTRICALLY EQUIVALENT TO 1N5221B THRU 1N5272B
CD5272B
• ZENER DIODE CHIPS
• 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING
• COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,
WITH THE EXCEPTION OF SOLDER REFLOW
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified
NOMINAL
ZENER
VOLTAGE
(Note 1)
VZ @ lZT
TEST
CURRENT
lZT
VOLTS
mA
CD5221B
CD5222B
CD5223B
CD5224B
CD5225B
2.4
2.5
2.7
2.8
3.0
20
20
20
20
20
30
30
30
30
29
1200
1250
1300
1400
1600
CD5226B
CD5227B
CD5228B
CD5229B
CD5230B
3.3
3.6
3.9
4.3
4.7
20
20
20
20
20
28
24
23
22
19
1600
1700
1900
2000
1900
25
15
10
5.0
5.0
1.0
1.0
1.0
1.0
2.0
CD5231B
CD5232B
CD5233B
CD5234B
CD5235B
5.1
5.6
6.0
6.2
6.8
20
20
20
20
20
17
11
7.0
7.0
5.0
1600
1600
1600
1000
750
5.0
5.0
5.0
5.0
3.0
2.0
3.0
3.5
4.0
5.0
CD5236B
CD5237B
CD5238B
CD5239B
CD5240B
7.5
8.2
8.7
9.1
10
20
20
20
20
20
6.0
8.0
8.0
10
17
500
500
600
600
600
3.0
3.0
3.0
3.0
3.0
6.0
6.5
6.5
7.0
8.0
CD5241B
CD5242B
CD5243B
CD5244B
CD5245B
11
12
13
14
15
20
20
9.5
9.0
8.5
22
30
13
15
16
600
600
600
600
600
2.0
1.0
0.5
0.1
0.1
8.4
9.1
9.9
10
11
CD5246B
CD5247B
CD5248B
CD5249B
CD5250B
16
17
18
19
20
7.8
7.4
7.0
6.6
6.2
17
19
21
23
25
600
600
600
600
600
0.1
0.1
0.1
0.1
0.1
12
13
14
14
15
CD5251B
CD5252B
CD5253B
CD5254B
CD5255B
22
24
25
27
28
5.6
5.2
5.0
4.6
4.5
29
33
35
41
44
600
600
600
600
600
0.1
0.1
0.1
0.1
0.1
17
18
19
21
21
CD5256B
CD5257B
CD5258B
CD5259B
CD5260B
30
33
36
39
43
4.2
3.8
3.4
3.2
3.0
49
58
70
80
93
600
700
700
800
900
0.1
0.1
0.1
0.1
0.1
23
25
27
30
33
CD5261B
CD5262B
CD5263B
CD5264B
CD5265B
47
51
56
60
62
2.7
2.5
2.2
2.1
2.0
105
125
150
170
185
1000
1100
1300
1400
1400
0.1
0.1
0.1
0.1
0.1
36
39
43
46
47
CD5266B
CD5267B
CD5268B
CD5269B
CD5270B
68
75
82
87
91
1.8
1.7
1.5
1.4
1.4
230
270
330
370
400
1600
1700
2000
2200
2300
0.1
0.1
0.1
0.1
0.1
52
56
62
68
69
CD5271B
CD5272B
100
110
1.3
1.1
500
750
2600
3000
0.1
0.1
76
84
MAXIMUM
REVERSE CURRENT
23 MILS
15 MILS
lR @ VR
100
100
75
75
50
VOLTS
23 MILS
µA
1.0
1.0
1.0
1.0
1.0
15 MILS
TYPE
NUMBER
MAXIMUM
ZENER IMPEDANCE
(Note 2)
ZZT @ lZT
[email protected]=0.25mA
OHMS
OHMS
BACKSIDE IS CATHODE
FIGURE 1
DESIGN DATA
METALLIZATION:
Top: (Anode)......................Al
Back: (Cathode)................Au
AL THICKNESS..............25,000 Å Min
GOLD THICKNESS... .......4,000 Å Min
CHIP THICKNESS............. .......10 Mils
CIRCUIT LAYOUT DATA:
For Zener operation, cathode
must be operated positive with
respect to anode.
TOLERANCES: ALL
Dimensions + 2 mils
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com
E-mail: [email protected]
CD5221B
thru
CD5272B
1000
500
400
300
3.3 VOLT
200
ZENER IMPEDANCE ZZT (OHMS)
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Forward Voltage @ 200 mA: 1.5 Volts maximum
100
5.1 VOLT
50
40
30
20
10
5
4
6.2 VOLT
3
2
1
.1
.2
.5
1
2
5
10
20
50
100
OPERATING CURRENT IZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
1000
500
400
300
3.
3
VO
LT
27
100
VO
LT
1
5.
NOTE 1
Zener voltage range equals
“nominal Zener voltage”
(see table) + 5%, for “B”
Suffix types. “A” Suffix denotes +
10%. No Suffix denotes + 20%.
"C" suffix = + 2% tolerance and
"D" suffix = + 1% tolerance.
LT
VO
ZENER IMPEDANCE ZZT (OHMS)
200
50
40
30
11
20
VO
LT
10
NOTE 2
Zener impedance is derived by
superimposing on lZTA 60 Hz rms
a.c. current equal to 10% of lZT
6.2
VO
LT
5
4
3
NOTE 3
Zener voltage is read using a
pulse measment, 10 miliseconds
maximum.
2
1
.1
.2 .3 .4 .5
1
2 5
10
20
OPERATING CURRENT lZT (mA)
30 40
50
100
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT