CeraDiode SMD type, case size 0603
Data sheet
CDS3 Series B72500D***
CeraDiode Reliable ESD protection of single lines
Description
Due to the ongoing miniaturization, today’s electronic devices are more and more sensitive to electrostatic discharges (ESD) and overvoltages. Therefore reliable protection components become absolutely necessary to harden your valuable electronics against the impact of ESD. CeraDiodes are ceramic semiconductors optimized specifically for high performance in Electro Static Discharge (ESD) applications. The device has a non-linear voltage/current characteristic that is highly optimized for effectively suppressing extremely fast voltage transients. The device offers superior parametric stability over the complete operating range of –40 °C to +85 °C. CeraDiodes are bi-directional devices. A single CeraDiode connected from signal/dataline to ground routes both positive and negative ESD transitions safely to the ground plane. This technique eliminates the need to route ESD charge into the power plane, possibility damaging nearby integrated circuits.
Features
ESD protection according to IEC 61000-4-2 (Level 4) Endurance specification up to 3000 ESD pulses (IEC 61000-4-2 Level 4) Suitable for uni- and bidirectional lines Bidirectional ESD protection in a two-pin device Routes all ESD events, both positive and negative, safely to ground Suitable for DC working voltages up to 22 V No derating of maximum ratings up to 85 °C Surface mount package in 0603 case size Extremely fast response time < 0.5 ns Lead free nickel barrier terminations
Application
Desktop and notebook computers Peripherals Portable handheld products (e.g. PDA) Mobile communication Consumer products (set top box, MP3 player, digital cameras,...) Liquid crystal displays (LCD) / monitors
ISSUE DATE
07.10.2004
ISSUE
g
PUBLISHER
KB VS PE
PAGE
1/8
CeraDiode SMD type, case size 0603
Data sheet
CDS3 Series B72500D***
Application example
I/O ESD sensitive device CDS
Ground
Protection of I/O Lines with discrete CeraDiodes
Maximum ratings (TA = 85 °C)
Rating Max. DC working voltage Symb. VDC Value CDS3C05GTA: CDS3C09GTA: CDS3C15GTA: CDS3C20GTA: 30 CDS3C05GTA: CDS3C09GTA: CDS3C15GTA: CDS3C20GTA: 15 8 −40 to +85 −40 to +125 1000 1600 2000 2200 5.6 9.0 16.0 22.0 Unit V
Peak current @ 8/ 20 µs Peak pulse power @ 8/ 20 µs
Ipeak PPP
A W
Air discharge ESD capability (according to IEC 61000-4-2 method) Contact discharge ESD capability (according to IEC 61000-4-2 method) Operating temperature (without derating) Storage temperature
VESD VESD Tj Tstg
kV kV °C °C
ISSUE DATE
07.10.2004
ISSUE
g
PUBLISHER
KB VS PE
PAGE
2/8
CeraDiode SMD type, case size 0603
Data sheet
CDS3 Series B72500D***
Characteristics (TA = 25 °C)
CDS3C05GTA
Parameter Breakdown voltage Leakage current Capacitance
*)
Symb. VBR IL VCL C
Conditions IBR = 1 mA VL = 3.3 V Ipeak = 1 A, 8/20 µs V = 1 V, f = 1 MHz
Minimum 6.4 -
Typical 470
Maximum 10 19 -
Unit V µA V pF
Clamping voltage
CDS3C09GTA
Parameter Breakdown voltage Leakage current Capacitance
*)
Symb. VBR IL VCL C
Conditions IBR = 1 mA VL = 5.6 V Ipeak = 1 A, 8/20 µs V = 1 V, f = 1 MHz
Minimum 10 -
Typical 220
Maximum 10 30 -
Unit V µA V pF
Clamping voltage
CDS3C15GTA
Parameter Breakdown voltage Leakage current Capacitance
*)
Symb. VBR IL VCL C
Conditions IBR = 1 mA VL = 9 V Ipeak = 1 A, 8/20 µs V = 1 V, f = 1 MHz
Minimum 22 -
Typical 160
Maximum 10 42 -
Unit V µA V pF
Clamping voltage
CDS3C20GTA
Parameter Breakdown Voltage Leakage Current Capacitance
*)
Symb. VBR IL VCL C
Conditions IBR = 1 mA VL = 12 V Ipeak = 1 A, 8/20 µs V = 1 V, f = 1 MHz
Minimum 25 -
Typical 56
Maximum 10 50 -
Unit V µA V pF
*)
Clamping Voltage
Any lower operating voltage than VL results in a lower leakage current
ISSUE DATE
07.10.2004
ISSUE
g
PUBLISHER
KB VS PE
PAGE
3/8
CeraDiode SMD type, case size 0603
Data sheet
CDS3 Series B72500D***
Typical characteristics
Max. current, energy and average power dissipation depending on ambient temperature
% 100 90 80 70 60 50 40 30 20 10 0 -55
70
80
90 100 110 120 Ambient temperature
130
140
150 °C
ISSUE DATE
07.10.2004
ISSUE
g
PUBLISHER
KB VS PE
PAGE
4/8
CeraDiode SMD type, case size 0603
Data sheet
CDS3 Series B72500D***
Dimensional drawing
l
Symb.
Min. 1.45 0.7 0.7 0.1
Max. 1.75 0.9 0.9 0.4
Unit mm mm mm mm
b
l b s k
s k
Recommended solder pads
B C B
Symb. Dim. 1.0 1.0 1.0 3.0 Unit mm mm mm mm
A
A
A B C D
D
ISSUE DATE
07.10.2004
ISSUE
g
PUBLISHER
KB VS PE
PAGE
5/8
CeraDiode SMD type, case size 0603
Data sheet
CDS3 Series B72500D***
Recommended soldering profiles
Wave soldering Reflow soldering
As far as possible, the components shall be employed within 12 months. They should be left in their original packings to avoid soldering problems due to oxidized contacts. Storage temperature: –25 to 45 °C. Relative humidity:
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