Surge Withstanding Chip Resistor
CRSW
Series
MERITEK
L
D1
Surge Withstanding Chip Resistor－SWR Series
■Construction
W
T
D2
3
4
5
6
987 1
4
Edge Electrode (NiCr)
5
Barrier Layer (Ni)
6
External Electrode (Sn)
2
1
Alumina Substrate
2
Bottom Electrode (Ag)
3
Top Electrode (Ag-Pd)
7
Resistor Layer (RuO
2
/Ag)
8
Primary Overcoat (Glass)
9
Secondary Overcoat (Epoxy)
■Features
－High
power rating
－Excellent
surge withstanding & pulse
withstanding performance
－Improved
working voltage ratings
－Standard
package sizes of 0603~2512
■Dimensions
Type
CRSW.
CRSW.
Size
(Inch)
0603
0805
1206
1210
2010
2512
L
W
T
D1
D2
Unit: mm
Weight
(g)
(1000pcs)
2.042
4.368
8.947
15.959
24.241
39.448
1.60±0.10 0.80±0.10 0.45±0.10 0.30±0.20 0.30±0.20
2.00±0.10 1.25±0.10 0.50±0.10 0.35±0.20 0.40±0.20
3.10±0.10 1.55±0.10 0.55±0.10 0.50±0.25 0.50±0.20
3.20±0.10 2.60±0.15 0.55±0.10 0.50±0.25 0.50±0.20
5.00±0.20 2.50±0.15 0.55±0.10 0.60±0.25 0.50±0.20
6.35±0.20 3.20±0.15 0.55±0.10 0.60±0.25 0.50±0.20
■Applications
－Metering
(Testing/Measurement)
－Medical
Devices
－Automotive
－Power
supply
－Charger
－Inverter
－LCD
Video Monitors
CRSW.
CRSW.
CRSW.
CRSW.
■Part
Numbering
CRSW
Product
Type
0603
0805
1206
1210
2010
2512
0603
Dimensions
A
Power
Rating
A: 1.5W
O: 1/3W
Q: 3/4W
U: 1/2W
V: 1/4W
W: 1/8W
1001:.1Kohm
1004: 1Mohm
1005: 10Mohm
1001
Resistance
J
Resistance
Tolerance
J:
±5%
K:
±10%
M: ±20%
E
TCR
(PPM/'C)
E: ±100
F: ±200
1001: 1KΩ
1004: 1MΩ
1005: 10MΩ
: Standard Marking
N: No Marking
■Derating
Curve
100
Power ratio(%)
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Ambient Temperature(℃)
.
Specifications are
subject to change without notice.
rev.6a
■Standard
Electrical Specifications
Item
Type
CRSW (0603)
CRSW
(0805)
CRSW
(1206)
CRSW
(1210)
CRSW
(2010)
CRSW
(2512)
Power Rating
at 70°C
1/8W
1/4W
1/3W
1/2W
3/4W
1.5W
Operating
Temp. Range
-55 ~ +155°C
-55 ~ +155°C
-55 ~ +155°C
-55 ~ +155°C
-55 ~ +155°C
-55 ~ +155°C
Max. Operating
Voltage
50V
150V
200V
200V
400V
500V
Resistance Range
±5%
±10%
10Ω - 299Ω
300Ω - 1MΩ
1Ω - 299Ω
300Ω - 20MΩ
1Ω - 20Ω
20.1Ω - 20MΩ
1Ω - 20Ω
20.1Ω - 20MΩ
1Ω - 20Ω
20.1Ω - 20MΩ
1Ω - 20Ω
20.1Ω - 20MΩ
±20%
TCR
(PPM/°C)
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
±200
±100
Operating Voltage=√(P*R) or Max. operating voltage listed above, whichever is lower.
Overload Voltage=2.5*√(P*R) or Max. overload voltage listed above, whichever is lower.
■Environmental
Characteristics
Item
Temperature Coefficient of
Resistance (T.C.R.)
Short Time Overload
Insulation Resistance
Endurance
Damp Heat with Load
Dry Heat
Bending Strength
Solderability
Resistance to Soldering Heat
Thermal Shock
Requirement
As Spec.
±1%
>1000MΩ
±3%
±3%
±3%
±1%
95% min. coverage
±1%
±1%
+25/-55/+25/+125/+25°C
RCWV*2.5 or Max. overload voltage for 5 seconds
Apply 100V
DC
for 1 minute
70±2°C, Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs
“OFF”
40±2°C, 90~95% R.H. Max. working voltage for 1000 hrs with 1.5 hrs
“ON” and 0.5 hrs “OFF”
at +155°C for 1000 hrs
Bending amplitude 3mm for 10 seconds
245±5°C for 3 seconds
260±5°C for 10 seconds
-55°C ~150°C, 100 cycles
Test Method
Reference Standards: MIL-STD-202, JIS-C 5201-1
Storage Temperature: 25±3°C; Humidity < 80%RH
.
■Packaging
Reel Specifications & Packaging Quantity
Unit: mm
Size
0603
0805
1206
1210
2010
2512
Packaging Quantity Tape Width
5K
Paper
10K
20K
Embossed
4K
8K
12mm
8mm
Reel Diameter
7 inch
10 inch
13 inch
7 inch
10 inch
ΦA
178.5±1.5
254±1.0
330±1.0
178.5±1.5
250±1.0
ΦB
60
+1/-0
ΦC
13.0±0.2
13.0±0.2
13.0±0.2
13.0±0.5
13.0±0.5
W
9.0±0.5
9.5±0.5
9.5±0.5
13.0±0.5
12.5±0.5
T
12.5±0.5
13.5±0.5
13.5±0.5
15.5±0.5
16.5±0.5
100±0.5
100±0.5
60
+1/-0
62±0.5
Paper Tape Specifications
Bottom Tape
Top Tape
A
ψ
D
0
E
F
B
W
Paper Tape
T
Resistor
P
1
P
2
P
0
Direction of unreeling
Unit: mm
Size
0603
0805
1206
1210
A
1.10±0.10
1.60±0.10
1.90±0.10
2.80±0.10
B
1.90±0.10
2.40±0.20
3.50±0.20
3.50±0.20
W
8.0±0.20
8.0±0.20
8.0±0.20
8.0±0.20
E
1.75±0.10
1.75±0.10
1.75±0.10
1.75±0.10
F
3.50±0.05
3.50±0.05
3.50±0.05
3.50±0.05
P
0
4.00±0.10
4.00±0.10
4.00±0.10
4.00±0.10
P
1
4.00±0.05
4.00±0.05
4.00±0.05
4.00±0.05
P
2
2.00±0.05
2.00±0.05
2.00±0.05
2.00±0.05
ΦD
0
1.50+0.1,-0
1.50+0.1,-0
1.50+0.1,-0
1.50+0.1,-0
T
0.70±0.10
0.85±0.10
0.85±0.10
0.85±0.10
Embossed Plastic Tape Specifications
Top Tape
ψ
D
0
A
B
E
F
W
T
Embossed Tape
ψD
1
1.5+0.25,-0
Resistor
P
1
P
2
P
0
Direction of unreeling
Unit: mm
T
1.2
1.2
+0
+0
Size
2010
2512
A
2.8±0.20
3.5±0.20
B
5.5±0.20
6.7±0.20
W
12.0±0.30
12.0±0.30
E
1.75±0.10
1.75±0.10
F
5.5±0.05
5.5±0.05
P
0
4.00±0.10
4.00±0.10
P
1
4.00±0.10
4.00±0.10
P
2
2.00±0.05
2.00±0.05
ΦD
0
1.50+0.1, -0
1.50+0.1, -0
.
■Marking
0805~2512 4 digits marking for Example
Resistance
marking
100Ω
1000
2.2KΩ
2201
10KΩ
1002
49.9KΩ
4992
100KΩ
1003
0603: 3 digits marking in E24
Example: 101=100Ω
E24
code
10
11
12
13
15
102=1KΩ (1 and 2 are E24 code and 3 code is multiplier)
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
st
nd
rd
■Recommend
Land Pattern
Size
0603.....
A
0.90
1.20
2.00
2.00
3.80
3.80
B
0.60
0.70
0.90
0.90
0.90
1.60
Unit: mm
C
0.90
1.30
1.60
2.80
2.80
3.50
C
0805.....
1206.....
1210.....
2010.....
B
A
2512.....
.
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