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參數(shù)資料
| 型號(hào)： | 232266197016 |
| 廠商： | Vishay Intertechnology,Inc. |
| 元件分類： | 熱敏電阻 |
| 英文描述： | Surface Mount PTC Thermistors For Overload Protection |
| 中文描述： | 表面貼裝PTC熱敏電阻為過載保護(hù) |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 109K |
| 代理商： | 232266197016 |
Surface Mount PTC Thermistors
For Overload Protection
2322 661 97...
Vishay BCcomponents
Document Number: 29068
Revision: 10-Oct-03
For technical questions contact: nlr.europe@vishay.com
www.vishay.com
147
FEATURES
Ideal for pick-and-place circuit assembly
Low mounting height
Suitable for reflow soldering
Small ceramic diameter for faster response
Low heat transfer to substrate
Flat terminations for stable positioning and good
solderability.
APPLICATIONS
Telecom
– Central office switching (C.O.)
– Subscriber terminal equipment (T.E.)
– Set top box
– Modems
– Cable TV communications
General industry and automotive
– Low power supplies overload protection
– Data bus protection.
DESCRIPTION
The component consists of a high-performance PTC
ceramic disc mounted in a lead-frame for direct soldering
onto a printed-circuit board (PCB) or substrate.
The ceramic is soldered to the leadframe by a local reflow
process, during which the solder layer is melted to the
metallized ceramic surface using a low residue flux.
MARKING
All SMD PTCs are marked with the last 3-digits of the type
number and a date code (YYWW).
QUICK REFERENCE DATA
Notes
1.
2.
Customized products are available on request.
Coated and/or reinforced types are available on request.
DESCRIPTION
VALUE
STANDARD
TYPES
to
500
±
10%;
(1)(2)
TELECOM
TYPES
to
15%;
±
20%
(1)(2)
Nominal R25
Resistance tolerance
Maximum overload current
(voltage dependent)
2
10
70
±
2 to 10 A
Non-trip current
50 to 500 mA
at 25
°
C
50 to 100 mA
at 70
°
C
Maximum voltage
16 to 400 V
(RMS)
220 to 600 V
( RMS)
Response time at 25
20 W overload power
Matching
Maximum continuous power at
°
C and
<
1 s
down to 0.5
2 W
ELECTRICAL DATA AND ORDERING INFORMATION
Note
1.
These types pass
“ITU-T K20/21”
telecommunication protection recommendation.
R
25
V
MAX.
(V)
I
nt
at
I
t
at
MAX.
TRIP-TIME
MATCHED
PAIRS
AVAILABLE
CERAMIC
SIZE
(mm)
CATALOG
NUMBER
2322 661 .....
(
)
(%)
25
°
C
70
°
C
25
°
C
t
t
(s)
at I
(mA)
t
Telecommunication types; see note
40
25
15 to 20
(1)
15 to 20
(1)
25
(1)
20
35
(1)
+15/
10
(1)
20
10
(1)
20
20
(1)
20
50
20
General industrial types
9.4
(1)
25
3.3
(1)
25
1
265
300
300
265
425
245
245
300
425
80
150
150
120
110
165
165
120
90
50
100
100
70
70
100
100
70
60
130
250
250
220
175
270
270
250
150
2.5
1.5
1.5
1.3
1.0
3.0
3.0
1.4
0.8
500
1000
1000
1000
1000
1000
1000
1000
1000
no
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
97002
97003
97004
97005
97009
97012
97016
97018
97019
0.5
no
1
1
no
0.5
0.5
1
20
60
24
150
400
100
300
650
4.0
6.0
600
1000
6.5
6.5
97011
97013
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