± 300 10 Ω… 6.2 kΩ10 Ω… 6.2 kΩ
01005 RK73B 1F ± 250 0.03 W 15 V 30 V 6.8 kΩ … 1 MΩ
6.8 kΩ … 1 MΩ
± 400 – 1 Ω… 9.1 Ω- 55° C … + 125° C*
0201 RK73B 1H ± 200 0.05 W 25 V 50 V 10 Ω… 10 MΩ10 Ω… 10 MΩ
RK73B 1E ± 400 0.063 W –
0402 ± 200 10 Ω… 10 MΩ10 Ω… 10 MΩ
0603 RK73B 1J ± 400 0.1 W
50 V 100 V
± 200 10 Ω… 10 MΩ10 Ω… 10 MΩ
0805 RK73B 2A ± 400 0.125 W 150 V 200 V
± 200 10 Ω… 1 MΩ10 Ω… 1 MΩ
1206 RK73B 2B ± 400 0.25 W - 55° C . . . +155° C*
± 200 10 Ω… 5.6 MΩ10 Ω… 5.6 MΩ
1210 RK73B 2E ± 400 200 V —
± 200 400 V
2010 RK73B 2H ± 400 0.75 W —
± 200 10 Ω… 5.6 MΩ10 Ω… 5.6 MΩ
2512 RK73B 3A ± 400 1 W 200 V 400 V —
± 200 (500 V)** (500 V)** 10 Ω… 5.6 MΩ10 Ω… 5.6 MΩ
TECHNOLOGY OF TOMORROW
RESISTORS
6 Revision: 03. May 2006
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
FLAT CHIP
THICK FILM (5% • 2%)
GENERAL PURPOSE
RK73 B
FEATURES
■RuO2thick film resistor element
■Anti-leaching nickel barrier terminations
■Excellent heat resistance and moisture resistance are
ensured by the use of metal glaze thick film
■Also available with expoxy bondable, silver-palladium
inner terminations in 1J, 2A and 2B sizes (see RK73X series)
■Also available with gold plated electrodes in size 1E, 1J and
2A (10Ω…1MΩ)
■Rated ambient temperature: +70° C
■Taping according to IEC-60 286-3
■Meets or exceeds IEC 60 115, CECC 40 401-802, EIAJ RC-2134A
■Suitable for reflow and wave soldering
■Lab Kit available
STRUCTURE
IDENTIFICATION
RATING
1Ceramic substrate
2Top termination (Ag Pd) ~ 11 µm
3Bottom termination (Ag) ~ 11 µm
4Resistive layer ~ 11 µm
5Glass layer ~ 11 µm
6Trimming cut
7Protective layer ~ 25 µm
8End termination ~ 0.05 µm
9Diffusion barrier (Ni) 3 ~ 12 µm
10 Solder plating 3 ~ 12 µm
RK73B 1F … RK73B 1E Black None
RK73B 1J ... RK73B 3A White, 3 digits
1 W . . . 9.1 W
1 Ω. . . 9.1 Ω
11 MΩ. . . 22 MΩ
1 W . . . 9.1 W
1 Ω. . . 9.1 Ω
1.1 MΩ. . . 10 MΩ
1 Ω. . . 9.1 Ω
1.1 MΩ. . . 10 MΩ
1 Ω. . . 9.1 Ω
6.2 MΩ. . . 22 MΩ
1 Ω. . . 9.1 Ω
6.2 MΩ. . . 10 MΩ
1 Ω. . . 9.1 Ω
6.2 MΩ. . . 10 MΩ
1 Ω. . . 9.1 Ω
6.2 MΩ. . . 22 MΩ
1 Ω. . . 9.1 Ω
6.2 MΩ. . . 22 MΩ
TYPE COATING
COLOR MARKING
DIMENSIONS (mm)
SIZE TYPE L W c d t
0201 RK73 1H 0.6 ± 0.03 0.3 ± 0.03 0.1 ± 0.05 0.15 ± 0.05 0.23 ± 0.03
0402 RK73 1E 1.0 0.5 ± 0.05 0.2 ± 0.1 0.25 0.35 ± 0.05
0603 RK73 1J 1.6 ± 0.2 0.8 ± 0.1 0.3 ± 0.1 0.3 ± 0.1 0.45 ± 0.1
0805 RK73 2A 2.0 ± 0.2 1.25 ± 0.1 0.4 ± 0.2 0.3 0.5 ± 0.1
1206 RK73 2B 3.2 ± 0.2 1.6 ± 0.2
1210 RK73 2E 2.6 ± 0.2 0.5 ± 0.3 0.6 ± 0.1
2010 RK73 2H 5.0 ± 0.2 2.5 ± 0.2
2512 RK73 3A 6.3 ± 0.2 3.1 ± 0.2
+ 0.2
– 0.1
+ 0.2
– 0.1
+ 0.1
– 0.05
+ 0.05
– 0.1
+ 0.2
– 0.1
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
0.5 W
0.33 W
0.5 W
0.33 W
10 Ω. . . 1 kΩ
1.1 kΩ. . . 5.6 MΩ
10 Ω. . . 1 kΩ
1.1 kΩ. . . 5.6 MΩ
TYPE DESIGNATION (HOW TO ORDER)
*Please see “PACKAGING”
RK73K
PRODUCT CODE
1J
STYLE
1F…3A
TD
TAPING*
10K
NOMINAL
RESISTANCE
3 digits
TERMINATION
SURFACE MATERIAL
T: Sn L: Sn/Pb
(G: Au)
G
TOLERANCE
RK73B 1J TD 103T G
TOLERANCE
J: ±5%
G: ±2%
RESISTORS
T.C.R. POWER* MAX. MAX. RESISTANCE RANGE (E24) OPERATING
SIZE TYPE (ppm/K) RATING WORKING OVERLOAD TEMPERATURE
VOLTAGE VOLTAGE G (± 2%) J (± 5%) RANGE
01005 RK73 1F 0.4 ± 0.02 0.2 ± 0.02 0.08 ± 0.03 0.11 ± 0.03 0.13 ± 0.02
Old Part No.
New Part No.
(Pb-free)
0.4
0.4
(0.65 ± 0.15)*
* Time of change to (0.65 ± 0.15) will be announced by PCN.
NEW
NEW
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
* For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in „DERATING CURVE“.
** Please contact KOA about the increased max. working voltage and the max. overload voltage.
Care should be taken, that RK73B1F may be damaged when static electricity occurs and is applied in the equipment assembly process.
z
TECHNOLOGY OF TOMORROW
RESISTORS
8 Revision: 03. May 2006
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
FLAT CHIP
THICK FILM
RK73
Life test at 70° C rated power (P70) IEC 60115-1 4.25.1 ± (1% · R + 0.05 Ω)
70° C ± 3° C, 1000 h; 1.5 h On / 0.5 h Off cycle
Rapid change of temperature IEC 60115-1 4.19 ± (0.5 % · R + 0.1 Ω)
– 55° C (30 min) / + 125° C (30 min); 5 cycles
Damp heat steady state IEC 60115-1 4.24 ± (1% · R + 0.05 Ω)
56 days at 40° C and 93% relative humidity
Endurance at 125° C IEC 60115-1 4.25.3 ± (1% · R + 0.05 Ω)
+ 125° C / 1000 h
Short time overload IEC 60115-1 4.13 ± (1% · R + 0.05 Ω)
6.25 x rated power for 5 sec., but smaller 2.5 x Umax
T.C.R. IEC 60115-1 4.8 Within specified T.C.R.
Cycle: + 25° C/- 55° C/+ 25 ° C/+ 125 ° C/+ 25 ° C
Bending test IEC 60115-1 4.31 ± (0.5% · R + 0.05 Ω)
Bending: 5 mm (1J, 2A, 2B); 3 mm (1H, 1E); 2 mm (2E, 2H, 3A)
Solderability IEC 60068-2-20 Terminations > 95% covered with new solder
235 ± 5° C / 2 ± 0.5 sec.
Resistance to soldering heat IEC 60115-1 4.18 ± (0.5% · R + 0.05 Ω)
10 ± 1 sec. at 260 ± 5° C solder bath temperature
PERFORMANCE
TEST TEST CONDITIONS TYP. TEST RESULTS
DERATING CURVE
AMBIENT TEMPERATURE (°C)
% RATED POWER
TEMPERATURE RISE (°C)
% RATED POWER
SURFACE TEMPERATURE RISE
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
1F, 1H
1E ... 3A
PULSE POWER IN WATTS (PO)
PULSE DURATION TIME IN SECONDS (t)
KOA RK73 Flat Chip Resistors
ONE-PULSE LIMITING ELECTRIC POWER
RESISTORS
