CD5518B
thru
• 1N5518B THRU 1N5546B AVAILABLE IN JANHC AND JANKC
PER MIL-PRF-19500/437
• ZENER DIODE CHIPS
CD5546B
• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE
• ELECTRICALLY EQUIVALENT TO 1N5518B THRU 1N5546B
• 0.5 WATT CAPABILITY WITH PROPER HEAT SINKING
• 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 @ 200 mA: 1.5 Volts Maximum
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise speci½ed
NOMINAL
ZENER
VOLTAGE
MAX. REVERSE
MAX. ZENER LEAKAGE CURRENT REGULATION
JEDEC
TYPE
LOW
V
Z
TEST
IMPEDANCE
FACTOR
NUMBER
V
@ l
ZT
CURRENT
Z
@ l
l
R
V
³V
Z
CURRENT
R
Z
ZT
ZT
VOLTS
l
T
OHMS
µ Adc
VOLTS
l
Z
ZL
(Note 1)
mAdc
(Note 2)
VOLTS
(Note 3)
mAdc
CD5518B
CD5519B
CD5520B
CD5521B
CD5522B
3.3
3.6
3.9
4.3
4.7
20
20
20
20
10
26
24
22
18
22
5.0
3.0
1.0
3.0
2.0
1.0
1.0
1.0
1.5
2.0
0.90
0.90
0.90
0.75
0.60
2.0
2.0
2.0
2.0
1.0
BACKSIDE IS CATHODE
CD5523B
CD5524B
CD5525B
CD5526B
CD5527B
5.1
5.6
6.2
6.8
7.5
5.0
3.0
1.0
1.0
1.0
26
30
30
30
35
2.0
2.0
1.0
1.0
0.5
2.5
3.5
5.0
6.2
6.8
0.65
0.30
0.20
0.10
0.05
0.25
0.25
0.01
0.01
0.01
CD5528B
CD5529B
CD5530B
CD5531B
CD5532B
8.2
9.1
10.0
11.0
12.0
1.0
1.0
1.0
1.0
1.0
40
45
60
80
90
0.5
0.1
0.05
0.05
0.05
7.5
8.2
9.1
9.9
10.8
0.05
0.05
0.10
0.20
0.20
0.01
0.01
0.01
0.01
0.01
DESIGN DATA
METALLIZATION:
Top: (Anode)......................Al
CD5533B
CD5534B
CD5535B
CD5536B
CD5537B
13.0
14.0
15.0
16.0
17.0
1.0
1.0
1.0
1.0
1.0
90
100
100
100
100
0.01
0.01
0.01
0.01
0.01
11.7
12.6
13.5
14.4
15.3
0.20
0.20
0.20
0.20
0.20
0.01
0.01
0.01
0.01
0.10
Back: (Cathode)............ ...Au
AL THICKNESS............25,000 Å Min
GOLD THICKNESS........4,000 Å Min
CHIP THICKNESS..................10 Mils
CD5538B
CD5539B
CD5540B
CD5541B
CD5542B
18.0
19.0
20.0
22.0
24.0
1.0
1.0
1.0
1.0
1.0
100
100
100
100
100
0.01
0.01
0.01
0.01
0.01
16.2
17.1
18.0
19.8
21.6
0.20
0.20
0.20
0.25
0.30
0.01
0.01
0.01
0.01
0.01
CD5543B
CD5544B
CD5545B
CD5546B
25.0
28.0
30.0
33.0
1.0
1.0
1.0
1.0
100
100
100
100
0.01
0.01
0.01
0.01
22.4
25.2
27.0
29.7
0.35
0.40
0.45
0.50
0.01
0.01
0.01
0.01
CIRCUIT LAYOUT DATA:
For Zener operation, cathode
must be operated positive with
respect to anode.
NOTE 1 Suffix “B” voltage range equals nominal Zener voltage + 5%. Suffix “A” equals
+ 10%. No Suffix equals + 20%. Zener voltage is read using a pulse
TOLERANCES: ALL Dimensions
+ 2 mils, Except Anode Pad Where
Tolerance is + 0.1 mils.
measurement, 10 milliseconds maximum. "C" suffix = + 2% and "D" suffix = +1%.
NOTE 2 Zener impedance is derived by superimposing on l
A 60Hz rms a.c.
ZT
current equal to 10% of l
.
ZT
NOTE 3 ³VZ is the maximum difference between V @ 1
and V at 1 measured
Z
ZT
Z
ZL
with the device junction in thermal equilibrium at an ambient temperature of
+25° + 3°C.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
WEBSITE: http://www.microsemi.com
FAX (978) 689-0803
209