RESISTORS
TECHNOLOGY OF TOMORROW
Revision: 5. Nov. 2004
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
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
Products with Pb-free terminations
meet RoHS requirements
0603 RK73A 1J ± 200 0.1 W 50 V 100 V 10 Ω~ 1 MΩ10 Ω~ 1 MΩ
± 250
0805 RK73A 2A ± 200 0.125 W 150 V 200 V 10 Ω~ 1 MΩ10 Ω~ 1 MΩ- 55° C … + 155° C
± 250
1206 RK73A 2B ± 200 0.25 W 200 V 400 V 10 Ω~ 1 MΩ10 Ω~ 1 MΩ
± 250
RK73A Black Light Blue, 3 digits
FEATURES
■RuO2thick 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
STRUCTURE
IDENTIFICATION
1Ceramic substrate
2Top termination (Ag Pd)
3Bottom termination (Ag Pd)
4Resistive layer
5Glass layer
6Trimming cut
7Protective layer
8End termination
9Diffusion barrier (Ni)
10 Solder plating
DIMENSIONS (mm)
RATING
0603 RK73A 1J 1.6 0.8 ± 0.1 0.3 ± 0.1 0.3 ± 0.1 0.45
0805 RK73A 2A 2.0 1.25 ± 0.1 0.4 ± 0.2 0.3 0.5
1206 RK73A 2B 3.2 1.6 ± 0.2 0.5 ± 0.3 0.4 0.6
SIZE TYPE L ±0.2 W c d t ±0.1
2.2 Ω… 9.1 Ω2.2 Ω… 9.1 Ω
2.2 Ω… 9.1 Ω2.2 Ω… 9.1 Ω
2.2 Ω… 9.1 Ω2.2 Ω… 9.1 Ω
+0.2
–0.1
+0.2
–0.1
RESISTANCE RANGE (E24) OPERATING
TEMPERATURE
RANGE
SIZE TYPE T.C.R.
(ppm/K)
POWER*
RATING
MAX.
WORKING
VOLTAGE
MAX.
OVERLOAD
VOLTAGE G (±2%) J (±5%)
TYPE COATING
COLOR MARKING
FLAT CHIP
HIGH QUALITY SOUND THICK FILM
RK73A
TYPE DESIGNATION (HOW TO ORDER)
*Please see “PACKAGING”
RK73AD
PRODUCT CODE
1J
STYLE
1J: 0603
2A: 0805
2B: 1206
TD
TAPING*
10R
NOMINAL
RESISTANCE
3 digits
TERMINATION
SURFACE MATERIAL
T: Sn
L: Sn/Pb
J
TOLERANCE
RK73A 1J TD 100T J
TOLERANCE
J: ±5%
G: ±2%
RESISTORS
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.
* For resistors operated at an ambient temperature of 70°C or above, the power rating shall be derated.
Old Part No.
New Part No.
(Pb-free)
