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WT2220 Schematic ( PDF Datasheet ) - Littelfuse

Teilenummer WT2220
Beschreibung Multilayer Ceramic Transient Voltage Suppressor Standard Capacity
Hersteller Littelfuse
Logo Littelfuse Logo 




Gesamt 4 Seiten
WT2220 Datasheet, Funktion
VARISTORS
TVS 2220 SMD
This product is not recommended
for new designs. Please refer to
Littelfuse series MLA.
Dimensions (mm)
0.75–0.25
3.00
5.00–0.40
5.70–0.40
Multilayer Ceramic Transient
Voltage Suppressor
Standard Capacity
Features
Thin layer, high precise techniques
Lead free
Bi-directional clamping
Standard and low capacity
Available with Nickel/Tin end termination
Applications
Circuit board and ESD, EFT
Protection of:
• I/O ports
• Keyboards
• LCD‘s
• Sensors
WebLinks
Further infos see:
www.wickmanngroup.com
Further technical infos see technical
varistor file:
www.wickmanngroup.com/download/
techvaristor.pdf
Specifications
Packaging
Tape and Reel
T 7 inch reel (1.000 pcs.)
Material
Body:
Ceramic (ZnO)
Terminals: Ni/Sn plated (code “P”)
Ag/Pt/Pd non plated
(code “N” on request)
Operating Temperature
-55 to +125°C
Solderability
acc. to IEC 60068-2-58
235°C, 2s
Soldering Heat Resistance
260ºC, 10 sec. (IEC 60068-2-58)
280ºC, 5 sec. (IEC 60068-2-58)
Response Time
<0.5ns
Temperature coefficient (αV) of clamping
voltage (Vc) @ specified test current
<0.01%/°C
Power dissipation
1.0W max.
Standards
IEC 61000-4-2
MIL-STD-883C
Type
WT2220ML050A
WT2220ML090A
WT2220ML120A
WT2220ML140A
WT2220ML180A
WT2220ML220A
WT2220ML260A
WT2220ML300A
WT2220ML380A
WT2220ML450A
WT2220ML560A
WT2220ML680A
WT2220ML850A
WT2220ML121A
Maximum Ratings (125°C)
Specifications (25°C)
max. cont.
working
voltage
V(MV(D)C) V(MV(A)C)
max.
non-repetitive
surge current
(8/20 µs)
I(ATM)
max. non-repetitive max. clamping
surge energy voltage at spec.
(10/1000 µs)
current
(8/20 µs)
W(JT)M (VV@cA)
nominal voltage
at 1mA (DC)
test current
VN((DVC))min. VN((DVC))max.
typ.
capacitance
1KHz
C(ptFyp).
1MHz
C(ptFyp).
typ.
inductance
(LntHyp).
5,5
9,0
12,0
14,0
18,0
22,0
26,0
30,0
38,0
45,0
56,0
68,0
85,0
120,0
4,0
6,0
9,0
11,0
14,0
17,0
20,0
25,0
30,0
35,0
40,0
50,0
60,0
107,0
1000
1200
1200
1200
1200
1200
1200
1200
1200
1000
1000
800
600
1100
1,4
15,5 @ 10
7,1 9,8 26000 22000
3,0
3,6
25,0 @ 10
10,0 14,5 19200 16000
3,0
4,2
30,0 @ 10
14,0 18,5 15930 13500
3,0
5,4
33,0 @ 10
16,0 21,0 11300 9500
3,0
5,8
38,0 @ 10
22,0 28,0 10200 8700
3,0
7,3
44,0 @ 10
24,3 30,0
9550 8000
3,0
7,8
54,0 @ 10
29,5 38,0
8380 7100
3,0
9,5
65,0 @ 10
35,0 43,0
4200 3500
3,0
12,0
77,0 @ 10
42,3 51,7
3540 3000
3,0
7,5
90,0 @ 10
50,0 61,0
3350 2900
3,0
9,0
110,0 @ 10
61,2 74,0
2240 1900
3,0
5,5
135,0 @ 10
74,0 90,0
1900 1550
3,0
6,8
165,0 @ 10
91,0 115,0
1100 930
3,0
10,0
230,0 @ 10
135,0 165,0
420 350
3,0
Order
Information
Qty. Order-
Type
Terminal Code Packaging
Specifications are subject
Number WT2220ML260 A
P
T to change without notice
WebSite
Europe Tel: +49 2302 662-107 Americas Tel: +1 404 699-7820
Asia Tel: +852 26 14-1108
China Tel: +86 21 6432 5146
050915 www.wickmanngroup.com E-mail: [email protected] E-mail: [email protected] E-mail: [email protected] E-mail: [email protected]





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