WK25V3742JTLJ [WALSIN]
Special material and design for high working voltage require;型号: | WK25V3742JTLJ |
厂家: | Walsin Technology |
描述: | Special material and design for high working voltage require |
文件: | 总8页 (文件大小:381K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Approval sheet
WK25V, WK20V, WK12V, WK08V, WK06V
±5%, ±2%, ±1%
Thick Film High Voltage Chip Resistors
Automotive Grade AEC Q200 Compliant
Size 2512,2010,1206, 0805, 0603
*Contents in this sheet are subject to change without prior notice.
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Approval sheet
FEATURE
1. Special material and design for high working voltage require.
2. Compatible with flow and reflow soldering
3. Suitable for lead free soldering.
4. High limiting voltage
5. Automotive AEC Q200 compliant
APPLICATION
•
•
•
•
Power supply
Automotive industry
Measurement instrument
Back light inverter
•
Medical or Military equipment
DESCRIPTION
The resistors are constructed in a high grade ceramic body (aluminum oxide). Internal metal electrodes are
added at each end and connected by a resistive paste that is applied to the top surface of the substrate. The
composition of the paste is adjusted to give the approximate resistance required and the value is trimmed to
nominated value within tolerance which controlled by laser trimming of this resistive layer.
The resistive layer is covered with a protective coat. Finally, the two external end terminations are added. For
ease of soldering the outer layer of these end terminations is a Tin (lead free) alloy.
Fig 1. Construction of Chip-R
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Approval sheet
QUICK REFERENCE DATA
Item
General Specification
WK12V
Series No.
WK25V
WK 20V
WK08V
WK06V
0603 (1608)
±1%, ±2%, ±5%
47Ω ~10 MΩ
Size code
2512(6432 )
2010 ( 5025 )
±1%, ±2%, ±5%
1206 ( 3216 )
±1%, ±2%, ±5%
0805 ( 2012 )
±1%, ±2%, ±5%
Resistance Tolerance
Resistance Range
±1%, ±2%, ±5%
±5%: 47Ω ~ 51 MΩ ( E24)
±1%, ±2%: 47Ω ~ 10 MΩ (E24+E96)
TCR (ppm/°C)
+500~ -200
±200
-
-
-
-
47Ω ~ 97.6Ω
100Ω ~ 549Ω
560Ω ~ 51MΩ
47Ω ~ 464Ω
470Ω ~ 51MΩ
47Ω ~ 97.6Ω
100Ω ~ 51MΩ
47Ω ~ 97.6Ω
100Ω ~ 51MΩ
47Ω ~ 464Ω
470Ω ~ 10MΩ
±100
Max. Dissipation at
Tamb=70°C
1 W
800V
1600V
1/2 W
500V
1/4 W
500V
1/8 W
400V
800V
1/10W
200V
400V
Max. Operation Voltage
(DC or RMS)
Max. Overload Voltage
(DC or RMS)
1000V
1000V
Climatic category (IEC
60068)
55/155/56
Note:
1.
This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication
60115-8”
2.
Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by
RCWV = RatedPower ×Resistance Value or Max. RCWV listed above, whichever is lower.
MECHANICAL DATA (unit : mm)
1 0 5
WK25V
WK20V
WK12V
WK08V
WK06V
Symbol
L
W
T
6.30 ± 0.15
3.20 ± 0.15
0.55 ± 0.15
0.60 ± 0.20
0.60 ± 0.20
5.00 ± 0.15
2.50 ± 0.150
0.55 ± 0.15
0.60 ± 0.20
0.60 ± 0.20
3.20 ± 0.15
1.60 ± 0.15
0.55 ± 0.10
0.50 ± 0.25
0.50 ± 0.25
2.00 ± 0.10
1.25 ± 0.10
0.55 ± 0.10
0.40 ± 0.20
0.40 ± 0.20
1.60 ± 0.10
0.80 +0.15/-0.05
0.45 ± 0.10
Tt
Tb
0.30 ± 0.10
0.30 ± 0.10
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Approval sheet
MARKING
For E24 series, Each resistor is marked with a three–digit code on the protective coating to designate the
nominal resistance value.
For E96 series, Each resistor is marked with a four–digit code on the protective coating to designate the
nominal resistance value. WK06V E96 has no marking!
Example:
105 = 1MΩ
105
FUNCTIONAL DESCRIPTION
Product characterization
Standard values of nominal resistance are taken from the E24/E96 series for resistors with a tolerance of
±1%, ±5%. The values of the E24/E96 series are in accordance with “IEC publication 60063”.
Derating curve
The power that the resistor can dissipate depends on the operating temperature; see Fig.2
Figure 2
Maximum dissipation in percentage of rated power as a function of the
ambient temperature
MOUNTING
Chip placement can be on ceramic substrates and printed-circuit boards (PCBs).
Electrical connection to the circuit is by individual soldering condition.
The end terminations guarantee a reliable contact.
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SOLDERING CONDITION
The robust construction of chip resistors allows them to be
completely immersed in a solder bath of 260°C for 10
seconds. Therefore, it is possible to mount Surface Mount
Resistors on one side of a PCB and other discrete
components on the reverse (mixed PCBs).
Surface Mount Resistors are tested for solderability at
235°C during 2 seconds. The test condition for no leaching
is 260°C for 30 seconds. Typical examples of soldering
processes that provide reliable joints without any damage
are given in Fig 3.
Fig 3. Infrared soldering profile
CATALOGUE NUMBERS
The resistors have a catalogue number starting with .
WK25
Size code
V
105
J
T
L
J
Type code
Resistance code
Tolerance Packaging code
Termination code Special code
WK25 : 2512
WK20 : 2010
WK12 : 1206
WK08 : 0805
WK06 : 0603
V :High
Voltage
5%, E24: 2 significant
digits followed by
no. of zeros
T : 7” inch reel
L
= Sn base
(lead free)
J
= Automotive
grade AEC
Q200 compliant
J : ±5%
1206:paper tape,
5kpcs/reel
G : ±2%
F : ±1%
100Ω = 101_
10KΩ = 103
2010,2512 :plastic
tape, 4kpcs/reel
1%, E24+E96: 3
significant digits
followed by no. of
zeros
100Ω
=1000
=3742
37.4KΩ
Tape packaging WK12, WK08, WK06 : 8mm width paper taping 5,000pcs per reel.
WK25;WK20: 12mm width plastic taping 4,000pcs per reel.
Marking code : For E24 series , 3 digit marking code for J tol.. E96 series, 4 digit marking code for F tol.
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TEST AND REQUIREMENTS – refer to AEC Q200 test standard
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0603: 600V, 0805: 1500V
1206/2010/2512: 3000V
0603: 10N,
0805/1206/2010/2512:
17.7N, time: 60sec
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Approval sheet
PACKAGING
Tape specifications (unit :mm)
Series No.
WK25V
A
B
W
F
E
6.90±0.20
3.60±0.20
12.00±0.30
5.50±0.10
1.75±0.10
5.50±0.20
3.60±0.20
2.50±0.20
1.90±0.20
P1
3.10±0.20
2.00±0.15
1.65±0.15
1.15±0.15
P0
WK20V
WK12V
WK08V
8.00±0.30
8.00±0.30
8.00±0.30
ΦD
3.50±0.20
3.50±0.20
3.50±0.20
T
1.75±0.10
1.75±0.10
1.75±0.10
WK06V
Series No.
WK25V
1.1±0.15
WK20V
+0.1
−0.0
4.00±0.10
4.00±0.10
WK12V
Φ1.50
Max. 1.0
Max. 0.8
WK08V
WK06V
Reel dimensions
(unit : mm)
Reel / Tape
A
B
C
D
7” reel for 12mm tape
13+1/0
13.0±0.2
Φ180.0+0/-1.5
Φ60.0+1/0
7” reel for 8mm tape
9+1/0
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