RESISTORS
TECHNOLOGY OF TOMORROW
HIGH QUALITY SOUND THICK FILM
RK73A
STRUCTURE
1
2
3
4
5
6
7
8
9
10
Ceramic substrate
Top termination
(Ag Pd)
Bottom termination
(Ag Pd)
Resistive layer
Glass layer
Trimming cut
Protective layer
End termination
Diffusion barrier
(Ni)
Solder plating
IDENTIFICATION
TYPE
RK73A
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
COATING
COLOR
Black
MARKING
Light Blue, 3 digits
Products with Pb-free terminations
meet RoHS requirements
TYPE DESIGNATION (HOW TO ORDER)
Old Part No.
New Part No.
(Pb-free)
RK73AD
RK73A
PRODUCT CODE
1J
1J
STYLE
1J: 0603
2A: 0805
2B: 1206
J
T
TOLERANCE
TERMINATION
SURFACE MATERIAL
T: Sn
L: Sn/Pb
TD
TD
TAPING*
*Please see “PACKAGING”
10R
100
NOMINAL
RESISTANCE
3 digits
J
TOLERANCE
J: ±5%
G: ±2%
FEATURES
■
RuO
2
thick film resistor element
■
Anti-leaching nickel barrier terminations
■
For high resolution sound and clearity
in signal processing and audio circuits
■
Produced with selected materials in a special process
■
Ideal for use in audio equipment (CD, amplifier, etc.)
and video equipment (Hi-Fi Video, DVD, etc.)
■
Rated ambient temperature: +70° C
■
Meets or exceeds IEC 60 115-8
■
Suitable for reflow and wave soldering
DIMENSIONS (mm)
SIZE
0603
0805
1206
TYPE
RK73A 1J
RK73A 2A
RK73A 2B
L ±0.2
1.6
2.0
3.2
W
0.8 ± 0.1
1.25 ± 0.1
1.6 ± 0.2
c
0.3 ± 0.1
0.4 ± 0.2
0.5 ± 0.3
d
0.3 ± 0.1
+0.2
0.3
–0.1
+0.2
0.4
–0.1
t ±0.1
0.45
0.5
0.6
What is a ”High Quality Sound Resistor“?
• The quality sound resistor creates high fidelity sounds with high resolution and clearity when used in Signal Processing Circuits (D/A Converter, Amplifier, … etc.)
for sound related equipment such as Audio and Voice signals.
• It is the same shape and compatible with RK73 Series.
Comparison with general purpose chip resistors:
• Production Method: Strictly selected materials are used for high quality sound and the production is controlled at specialized processes.
• Performance: The general characteristics are the same as standard resistors, which makes it possible to be used for existing models.
• Sound Quality: Heavy bass echo, high frequency sound, resolution, clearity, etc. are improved.
RATING
SIZE
TYPE
T.C.R.
(ppm/K)
± 200
± 250
± 200
± 250
± 200
± 250
POWER*
RATING
0.1 W
0.125 W
0.25 W
MAX.
WORKING
VOLTAGE
50 V
150 V
200 V
MAX.
OVERLOAD
VOLTAGE
100 V
200 V
400 V
RESISTANCE RANGE (E24)
G (±2%)
10
Ω
~ 1 MΩ
2.2
Ω
… 9.1
Ω
10
Ω
~ 1 MΩ
2.2
Ω
… 9.1
Ω
10
Ω
~ 1 MΩ
2.2
Ω
… 9.1
Ω
J (±5%)
10
Ω
~ 1 MΩ
2.2
Ω
… 9.1
Ω
10
Ω
~ 1 MΩ
2.2
Ω
… 9.1
Ω
10
Ω
~ 1 MΩ
2.2
Ω
… 9.1
Ω
- 55° C … + 155° C
OPERATING
TEMPERATURE
RANGE
0603
0805
1206
RK73A 1J
RK73A 2A
RK73A 2B
* For resistors operated at an ambient temperature of 70°C or above, the power rating shall be derated.
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
Revision: 5. Nov. 2004
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