RESISTORS
TECHNOLOGY OF TOMORROW
RESISTORS
FLAT CHIP
THICK FILM (5% • 2%)
GENERAL PURPOSE
RK73 B
STRUCTURE
1
2
3
4
5
6
7
8
9
10
Ceramic substrate
Top termination (Ag Pd)
Bottom termination (Ag)
Resistive layer
Glass layer
Trimming cut
Protective layer
End termination
Diffusion barrier (Ni)
Solder plating
~ 11
~ 11
~ 11
~ 11
~ 25
~ 0.05
3 ~ 12
3 ~ 12
µm
µm
µm
µm
µm
µm
µm
µm
IDENTIFICATION
TYPE
RK73B 1F … RK73B 1E
RK73B 1J ... RK73B 3A
COATING
COLOR
Black
MARKING
None
White, 3 digits
Products with Pb-free terminations
meet RoHS requirements
TYPE DESIGNATION (HOW TO ORDER)
Old Part No.
New Part No.
(Pb-free)
RK73K
RK73B
PRODUCT CODE
1J
1J
STYLE
1F…3A
G
T
TOLERANCE
TERMINATION
SURFACE MATERIAL
T: Sn L: Sn/Pb
(G: Au)
TD
TD
TAPING*
*Please see “PACKAGING”
10K
103
NOMINAL
RESISTANCE
3 digits
G
TOLERANCE
J: ±5%
G: ±2%
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
FEATURES
DIMENSIONS (mm)
SIZE
01005
0201
0402
0603
0805
1206
1210
2010
2512
TYPE
RK73
RK73
RK73
RK73
RK73
RK73
RK73
RK73
RK73
1F
1H
1E
1J
2A
2B
2E
2H
3A
0.4
0.6
1.0
1.6
2.0
L
± 0.02
± 0.03
+ 0.1
– 0.05
■
RuO
2
thick film resistor element
■
Anti-leaching nickel barrier terminations
NEW
■
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
W
0.2 ±
0.3 ±
0.5 ±
0.8 ±
1.25 ±
1.6 ±
2.6 ±
2.5 ±
3.1 ±
c
d
0.13
0.23
0.35
0.45
0.5
t
± 0.02
± 0.03
± 0.05
± 0.1
± 0.1
± 0.2
± 0.2
3.2 ± 0.2
5.0 ± 0.2
6.3 ± 0.2
0.02 0.08 ± 0.03 0.11 ± 0.03
0.03 0.1 ± 0.05 0.15 ± 0.05
0.05 0.2 ± 0.1
0.25
+ 0.05
– 0.1
0.1
0.3 ± 0.1
0.3 ± 0.1
0.1
0.4 ± 0.2
0.3
+ 0.2
– 0.1
0.2
+ 0.2
0.4
– 0.1
0.2
0.5 ± 0.3
0.2
0.4
+ 0.2
– 0.1
0.2
(0.65 ± 0.15)*
0.6 ± 0.1
* Time of change to (0.65 ± 0.15) will be announced by PCN.
RATING
SIZE
TYPE
RK73B 1F
RK73B 1H
RK73B 1E
RK73B 1J
RK73B 2A
RK73B 2B
RK73B 2E
RK73B 2H
RK73B 3A
T.C.R.
(ppm/K)
± 300
± 250
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
± 400
± 200
POWER*
RATING
0.03 W
0.05 W
0.063 W
50 V
0.1 W
0.125 W
0.25 W
0.5 W
0.33 W
0.5 W
0.33 W
MAX.
WORKING
VOLTAGE
15 V
25 V
MAX.
OVERLOAD
VOLTAGE
30 V
50 V
RESISTANCE RANGE (E24)
G (± 2%)
10
Ω
… 6.2 kΩ
6.8 kΩ
…
1
MΩ
–
10
Ω
… 10 MΩ
–
10
Ω
… 10 MΩ
1 W . . . 9.1 W
10
Ω
… 10 MΩ
1
Ω
. . . 9.1
Ω
1.1 MΩ . . . 10 MΩ
J (± 5%)
10
Ω
… 6.2 kΩ
6.8 kΩ
…
1
MΩ
1
Ω
… 9.1
Ω
10
Ω
… 10 MΩ
1 W . . . 9.1 W
10
Ω
… 10 MΩ
1
Ω
. . . 9.1
Ω
11 MΩ . . . 22 MΩ
OPERATING
TEMPERATURE
RANGE
NEW
01005
0201
0402
0603
0805
1206
1210
2010
2512
- 55° C … + 125° C*
100 V
10
Ω…
10 MΩ
1
Ω
. . . 9.1
Ω
1.1 MΩ . . . 10 MΩ
150 V
200 V
10
Ω
… 1 MΩ
1
Ω
. . . 9.1
Ω
6.2 MΩ . . . 10 MΩ
10
Ω
… 1 MΩ
1
Ω
. . . 9.1
Ω
6.2 MΩ . . . 22 MΩ
- 55° C . . . +155° C*
200 V
400 V
10
Ω
… 5.6 MΩ
—
10
Ω
. . . 1 kΩ
1.1 kΩ . . . 5.6 MΩ
10
Ω
… 5.6 MΩ
1
Ω
. . . 9.1
Ω
6.2 MΩ . . . 10 MΩ
10
Ω
. . . 1 kΩ
1.1 kΩ . . . 5.6 MΩ
1
Ω
. . . 9.1
Ω
6.2 MΩ . . . 22 MΩ
1
Ω
. . . 9.1
Ω
6.2 MΩ . . . 22 MΩ
0.75 W
1W
200 V
(500 V)**
400 V
(500 V)**
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
—
10
Ω
… 5.6 MΩ
—
10
Ω
… 5.6 MΩ
10
Ω
… 5.6 MΩ
10
Ω
… 5.6 MΩ
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
6
Revision: 03. May 2006
RESISTORS
TECHNOLOGY OF TOMORROW
RESISTORS
FLAT CHIP
THICK FILM
RK73
PERFORMANCE
TEST
Life test at 70° C rated power (P
70
)
Rapid change of temperature
Damp heat steady state
Endurance at 125° C
Short time overload
T.C.R.
Bending test
Solderability
Resistance to soldering heat
TEST CONDITIONS
IEC 60115-1 4.25.1
70° C ± 3° C, 1000 h; 1.5 h On / 0.5 h Off cycle
IEC 60115-1 4.19
– 55° C (30 min) / + 125° C (30 min); 5 cycles
IEC 60115-1 4.24
56 days at 40° C and 93% relative humidity
IEC 60115-1 4.25.3
+ 125° C / 1000 h
IEC 60115-1 4.13
6.25 x rated power for 5 sec., but smaller 2.5 x Umax
IEC 60115-1 4.8
Cycle: + 25° C/- 55° C/+ 25 ° C/+ 125 ° C/+ 25 ° C
IEC 60115-1 4.31
Bending: 5 mm (1J, 2A, 2B); 3 mm (1H, 1E); 2 mm (2E, 2H, 3A)
IEC 60068-2-20
235 ± 5° C / 2 ± 0.5 sec.
IEC 60115-1 4.18
10 ± 1 sec. at 260 ± 5° C solder bath temperature
TYP. TEST RESULTS
± (1% · R + 0.05
Ω)
± (0.5 % · R + 0.1
Ω)
± (1% · R + 0.05
Ω)
± (1% · R + 0.05
Ω)
± (1% · R + 0.05
Ω)
Within specified T.C.R.
± (0.5% · R + 0.05
Ω)
Terminations > 95% covered with new solder
± (0.5% · R + 0.05
Ω)
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
DERATING CURVE
SURFACE TEMPERATURE RISE
TEMPERATURE RISE (°C)
% RATED POWER
AMBIENT TEMPERATURE (°C)
ONE-PULSE LIMITING ELECTRIC POWER
KOA RK73 Flat Chip Resistors
3A
...
1E
1H
1F,
% RATED POWER
PULSE POWER IN WATTS (P
O
)
PULSE DURATION TIME IN SECONDS (t)
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
8
Revision: 03. May 2006
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