1
Revision Date: 12/13/2011
New Product
Zener Diode Chip Series
CD5518B thru CD5546B
Available in JANHC and JANKC per MIL-PRF-19500/437
Maximum Ratings
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Forward Voltage @ 200mA: 1.5 volts maximum
Features
• All Junctions completely protected with silicon dioxide
• 0.5 Watt capability with proper heat sinking
• Electrically equivalent to 1N5518B thru 1N5546B
• Compatible with all wire bonding and die attach
techniques with the exception of solder reflow
NOMINAL ZENER MAXIMUM
ZENER TEST ZENER MAXIMUM REVERSE REGULATION LOW
TYPE VOLTAGE CURRENT IMPEDANCE LEAKAGE CURRENT FACTOR VZ
NUMBER VZ @ IZT l ZT ZZT @ l ZT 3VZ CURRENT
(NOTE 1) (NOTE 2) IRVR(NOTE 3) I ZL
VOLTS mAdc OHMS mAdc VOLTS VOLTS mAdc
CD5518B 3.3 20 26 5.0 1.0 0.90 2.0
CD5519B 3.6 20 24 3.0 1.0 0.90 2.0
CD5520B 3.9 20 22 1.0 1.0 0.90 2.0
CD5521B 4.3 20 18 3.0 1.5 0.75 2.0
CD5522B 4.7 10 22 2.0 2.0 0.60 1.0
CD5523B 5.1 5.0 26 2.0 2.5 0.65| 0.25
CD5524B 5.6 3.0 30 2.0 3.5 0.30 0.25
CD55258 6.2 1.0 30 1.0 5.0 0.20 0.01
CD5526B 6.8 1.0 30 1.0 6.2 0.10 0.01
CD5527B 7.5 1.0 35 0.5 6.8 0.05 0.01
CD5528B 8.2 1.0 40 0.5 7.5 0.05 0.01
CD5529B 9.1 1.0 45 0.1 8.2 0.05 0.01
CD55308 10.0 1.0 60 0.05 9.1 0.10 0.01
CD5531B 11.0 1.0 80 0.05 9.9 0.20 0.01
CD5532B 12.0 1.0 90 0.05 10.8 0.20 0.01
CD5533B 13.0 .0 90 0,01 11.7 0.20 0.01
CD5534B 14.0 1.0 100 0.01 12.6 0.20 0.01
CD5535B 15.0 1.0 100 0.01 13.5 0.20 0.01
CD5536B 16.0 1.0 100 0,01 14.4 0.20 0.01
CD5537B 17.0 1.0 100 0.01 15.3 0.20 0.01
CD5538B 18.0 1.0 100 0.01 16.2 0.20 0.01
CD5539B 19.0 1.0 100 O.01 17.1 0.20 0.01
CD5540B 20.0 1.0 100 0.01 18.0 0.20 0.01
CD5541B 22.0 1.0 100 0.01 19.8 0.25 0.01
CD5542B 24.0 1.0 100 0.01 21.6 0.30 0.01
CD5543B 25.0 1.0 100 0.01 22.4 0.35 0.01
CD5544B 28.0 1.0 100 0.01 25.2 0.40 0.01
CD5545B 30.0 1·0 100 0.01 27.0 0.45 0.01
CD5546B 33.0 1.0 100 0.01 29.7 0.50 0.01
Electrical Specifications @ +25 ºC (Unless Otherwise Specified)
NOTE 1 Suffix "B" voltage range equals nominal Zener voltage. + 5%. Suffix "A" equals + 10 %. "C" suffix=.± 2 %
and "D" suffix= + 1 %.No Suffix equals + 20 %. Zener voltage is read using a pulse measurement, 10 milliseconds maximum.
NOTE 2 Zener impedance is derived by superimposing on lZT a 60Hz rms ac current equal to 10 % of IZT.
NOTE 3 ΔVZ is the maximum difference between VZ-@ IZT and VZ at IZL measured with the device junction in
thermal equilibnum at an ambient temperature of +25° + 3°C.
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Revision Date: 12/13/2011
Aeroflex / Metelics, Inc.
975 Stewart Drive, 54 Grenier Field Road,
Sunnyvale, CA 94085 Londonderry, NH 03053
Tel: (408) 737-8181 Tel: (603) 641-3800
Fax: (408) 733-7645 Fax: (603)-641-3500
Sales: 888-641-SEMI (7364)
Hi-Rel Components
9 Hampshire Street,
Lawrence, MA 01840
Tel: (603) 641-3800
Fax: (978) 683-3264
www.aeroflex.com/metelics-hirelcomponents
Aeroflex / Metelics, Inc. reserves the right to make changes to any products and services
herein at any time without notice. Consult Aeroflex or an authorized sales representative to
verify that the information in this data sheet is current before using this product. Aeroflex
does not assume any responsibility or liability arising out of the application or use of any
product or service described herein, except as expressly agreed to in writing by Aeroflex;
nor does the purchase, lease, or use of a product or service from Aeroflex convey a license
under any patent rights, copyrights, trademark rights, or any other of the intellectual rights
of Aeroflex or of third parties.
Copyright 2011 Aeroflex / Metelics. All rights reserved.
www.aeroflex.com/metelics metelics-sales@aeroflex.com
ISO 9001: 2008 certified companies
CD5518B thru CD5546B
.1 .2 .3 .4 .5 1 2 5 10 20 30 40 50 100
OPERATING CURRENT lZT (mA)
ZENER IMPEDANCE VS. OPERATING CURRENT
1000
500
400
300
200
100
50
40
30
20
10
5
4
3
2
1
ZENER IMPEDANCE ZZT (OHMS)
3.3 VOLT
5.1 VOLT
27 VOLT
11 VOLT
6.2 VOLT
DESIGN DATA
METALLIZATION: Top: (Anode) Al
Back: (Cathode) Au
AL THICKNESS: 25,000 Å Minimum
GOLD THICKNESS: 4,000 Å Minimum
CHIP THICKNESS: 10 Mils
CIRCUIT LAYOUT DATA: For Zener operation, cathode must be operated
positive with respect to anode.
Outline Drawing
Graphs
Anode