ERAS15J681V [PANASONIC]
Fixed Resistor, Metal Film, 0.1W, 680ohm, 5% +/-Tol, 1500ppm/Cel, Surface Mount, 0805, CHIP, ROHS COMPLIANT;
| 型号： | ERAS15J681V |
| 厂家： | 
PANASONIC |
| 描述： | Fixed Resistor, Metal Film, 0.1W, 680ohm, 5% +/-Tol, 1500ppm/Cel, Surface Mount, 0805, CHIP, ROHS COMPLIANT 电阻器 |
| 文件： | 总4页 (文件大小：89K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Metal Film Thermosensitive Chip Resistors
Metal Film Thermosensitive Chip Resistors
0402, 0603, 0805
Type:
ERAW, V, S
■ Features
● Suitable for temperature correction circuits
● Temperature coefficient value 1500 to 3900 ꢀ10 / C
–6
°
● High performance
Quick response to temperature change
● Linearity
°
°
Excellent linear resistance value change in wide temperature range (–40 C to +125 C)
● High reliability, High density placing
● Small size and lightweight for PWB size reduction and lightweight products
● Suitable for both reflow and flow soldering
● Reference Standards
IEC 60115-8, JIS C 5201-8, EIAJ RC-2145
● RoHS compliant
■ Explanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
11
E
R
A
S
1
5
J
1
0
3
V
Resistance Tolerance
Packaging Methods
Packaging
Punched Carrier Taping
2 mm pitch, 10,000 pcs.
Size, Power Rating
Type: inches Power Rating
Product Code
Type
ERAW
ERAV
Code
J
Tol.
5 %
Code
X
Metal Film
Chip Resistors
W : 0402
V : 0603
S : 0805
0.031 W
0.063 W
0.1 W
Punched Carrier Taping
4 mm pitch, 5,000 pcs. ERAS
V
Temperature Coefficient of Resistance
Resistance Value
Code
15
(
ꢀ10–6/°C
1500
)
Type
The first two digits are significant figures of
resistance and the third one denotes number of
zeros following. Decimal point is expressed by “R ”.
(ex.) 103 : 10 kꢁ
ERAV, ERAS
27
33
39
2700
3300
3900
ERAW, ERAV, ERAS
ERAW, ERAV, ERAS
ERAV, ERAS
6R8 : 6.8 ꢁ
■ Construction
■ Dimensions in mm (not to scale)
L
a
Protective coating
Alumina substrate
Electrode (Inner)
W
( 1 )
t
b
Dimensions (mm)
a
Electrode
(Between)
Type
(inches)
Mass (Weight)
[g/1000pcs.]
L
W
b
t
0.07
0.20
0.20
0.05
0.20
0.10
0.10
0.20
0.25
0.07
0.20
0.25
0.05
0.10
0.10
ERAW
(0402)
1.00
0.50
0.15
0.30
0.40
0.25
0.35
0.6
2
ERAV
(0603)
1.60
2.00
0.80
1.25
0.30
0.40
0.45
0.50
ERAS
(0805)
4
Thermosensitive
element
Electrode (Outer)
1) Marking Temperture Coefficient value :
2 significant figure ꢀ100 ꢀ10–6/°C
ERAW type is no marking.
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
00 Oct. 2010
Metal Film Thermosensitive Chip Resistors
■ Ratings
Standard Specification(1)
Power Rating
at 70 °C
(W)
Resistance
Tolerance
(%)
Standard
Resistance
Values
Type
(inched)
T.C.R.
Tolerance
T.C.R.
Resistance
Range (ꢁ)
(ꢀ10–6/°C)(2)
2700
3300
43 to 1 k
22 to 390
ERAW
(0402)
0.031
0.063
10 %
5
5
E12
E12
1500
10 to 10 k
200 ꢀ10-6 /°C
10 %
ERAV
(0603)
2700
3300
3900
43 to 3.3 k
22 to 1.2 k
7.5 to 390
1500
10 to 10 k
200 ꢀ10-6 /°C
10 %
ERAS
(0805)
2700
3300
3900
43 to 5.1 k
22 to 1.8 k
6.2 to 470
0.1
5
E12
(1) Please ask us when resistors other than standard specification shown in the above table are needed.
ꢀ 106 ꢀ 10–6/ C
R75-R
R25
1
25 ꢀ
R25: Resistance value at reference temperature 25 °C
75: Resistance value at temperature 75 °C
°
(2) T.C.R.=
{
}
75–25
R
120
Power Derating Curve
70 °C
For resistors operated in ambient
temperatures above 70 °C, power rating
shall be derated in accordance with the
figure on the right.
100
80
60
40
20
0
125 °C
Category Temperature Range
–40 °C to +125 °C
–
–
20
40
0
20
40
60
80
100
120
140
Ambient Temperature(°C)
■ Typical Linearity of Resistance Change
60
50
40
30
20
10
0
3900ꢀ10–6/°C (ppm/°C)
2700ꢀ10–6/°C (ppm/°C)
1500ꢀ10–6/°C (ppm/°C)
–
10
–
20
–
30
–
–
25
40
0
25
50
75
100
125
Ambient Temperature (°C)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
00 Sep. 2010
Metal Film Thermosensitive Chip Resistors
■ Packaging Methods (Taping)
● Standard Quantity
Type
ERAW
ERAV
ERAS
Kind of Taping
Pitch (P1)
2 mm
Quantity
10000 pcs./reel
Punched Carrier Taping
4 mm
5000 pcs./reel
● Carrier Tape
(Unit : mm)
P1
P2
P0
Punched Carrier
φD0
P1
(2 mm pitch)
P1
A
T
Type
ERAW
ERAV
ERAS
A
0.67
1.10
1.65
B
W
F
E
P2
P0
T
φD0
0.05
0.10
0.15
0.05
0.10
0.20
0.10
0.05
1.17
1.19
2.50
2.00
0.52
0.20
0.05
0.10
0.05
0.10
+0.10
0.05
8.00
3.50
1.75
2.00
4.00
1.50
0.70
–0
0.10
4.00
0.05
0.84
(Unit : mm)
W2
● Taping Reel
Type
ERAW
ERAV
ERAS
W1
φA
φN
φC
+0
+1.0
–0
0.2
+1.0
–0
1.0
180.0
60
13.0
9.0
11.4
–1.5
φC
W1
φA
W2
■ Attention
This product has high temperature coefficient. When measuring resistance, the resistance value can change due
to Joule Heating. Therefore, the measuring current shall be very small in order to prevent the resistance value from
changing. (For example, when the resistor is used at RCWV, temperature of the resistor rise about 15 °C and the
resistance value rise a few percents.) Resistance value may also change due to the ambient temperature. Resistance
value is measured at 25 °C.
■ Recommended Land Pattern
Anexample of a land pattern to Metal Film Thermosensitive Chip Resistors is shown below.
Example
Dimensions (mm)
Type
Chip Resistor
(inch size)
a
b
c
ERAW
(0402)
0.5 to 0.6
1.4 to 1.6
0.4 to 0.6
ERAV
0.7 to 0.9
1.0 to 1.4
2.0 to 2.2
3.2 to 3.8
0.8 to 1.0
0.9 to 1.4
(0603)
a
b
ERAS
(0805)
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
00 Sep. 2010
Metal Film Thermosensitive Chip Resistors
■ Recommended Soldering Conditions
Recommendations and precautions are described below.
Recommended soldering conditions for reflow
●
· Reflow soldering shall be performed a maximum of
two times.
· Please contact us for additional information when
used in conditions other than those specified.
· Please measure the temperature of the terminals
and study every kind of solder and printed circuit
board for solderability before actual use.
For soldering (Example : Sn/Pb)
Temperature
140 °C to 160 °C
Above 200 °C
235 5 °C
Time
Preheating
Main heating
Peak
60 s to 120 s
30 s to 40 s
max. 10 s
Peak
Preheating
For lead-free soldering (Example : Sn/Ag/Cu)
Temperature
150 °C to 180 °C
Above 230 °C
max. 260 °C
Time
Heating
Preheating
Main heating
Peak
60 s to 120 s
30 s to 40 s
max. 10 s
Time
Recommended soldering conditions for flow
●
For soldering
For lead-free soldering
Temperature
140 °C to 180 °C
245 5 °C
Time
60 s to 120 s
20 s to 30 s
Temperature
150 °C to 180 °C
max. 260 °C
Time
60 s to 120 s
max. 10 s
Preheating
Soldering
Safety Precautions
The following are precautions for individual products. Please also refer to the precautions common to Fixed Resistors
shown on page ER2 of this catalog.
1. Keep the rated power and ambient temperature within the specified derating curve.
* When positioning and mounting Metal Film Thermosensitive Chip Resistors (hereafter called the resistors), make
allowance for the effect of heat generated through close contact between the resistors and neighboring components
and for the temperature rise of adjacent heat-generating components.
2. If a transient load (heavy load in a short time) like a pulse is expected to be applied, check and evaluate the operations
of the resistors when installed in your products before use.
When applying pulses to the resistors, keep the pulse peak within the rated voltage.
3. Do not use halogen-based or other high-activity flux. Otherwise, the residue may impair the resistors' performance
and/or reliability.
4. When soldering with a soldering iron, never touch the resistors' bodies with the tip of the soldering iron. When using a
soldering iron with a high temperature tip, finish soldering as quickly as possible (within three seconds at 350 °C max.).
5. As the amount of applied solder becomes larger, the mechanical stress applied to the resistors increases, causing
problems such as cracks and faulty characteristics. Avoid applying an excessive amount of solder.
6. When the resistors' protective coatings are chipped, flawed, or removed, the characteristics of the resistors may be
impaired. Take special care not to apply mechanical shock during automatic mounting or cause damage during
handling of the boards with the resistors mounted.
7. Do not apply shock to the resistors or pinch them with a hard tool (e.g. pliers and tweezers). Otherwise, the resistors'
protective coatings and bodies may be chipped, affecting their performance.
8. Avoid excessive bending of printed circuit boards in order to protect the resistors from abnormal stress.
9. Do not immerse the resistors in solvent for a long time. Before using solvent, carefully check the effects of immersion.
Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use.
Should a safety concern arise regarding this product, please be sure to contact us immediately.
00 Sep. 2010
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