RESISTORS
THICK FILM (1% • 0.5%)
PRECISIOn
RK73H
IDEnTIFICaTIOn
TYPE
RK73H 1F, 1H
RK73H 1E
RK73H 1J
RK73H 2a … RK73H W3a
COaTIng
COLOR
Black
MaRKIng
None
None
Black, 3 digits (E24)
None (E96)
Black, 4 digits
STRUCTURE
1
2
3
4
5
6
7
8
9
10
Ceramic substrate
Top termination
Bottom termination
Resistive layer
Glass layer
Trimming cut
Protective layer
End termination
Diffusion barrier
Solder plating
(~ 11 µm)
(~ 11 µm)
(~ 11 µm)
(~ 11 µm)
(~ 25 µm)
(~ 0.05 µm)
(3 ~ 12 µm)
(3 ~ 12 µm)
(Typical values)
Blue
Products with Pb-free terminations
meet EU-RoHS requirements
Contact us when you have
control request for environmental
hazardous material other than the
substance specified by EU-RoHS
TYPE DESIgnaTIOn (HOW TO ORDER)
RK73H
PRODUCT CODE
1J
STYLE
1F…W3A
T
TERMINATION**
SURFACE MATERIAL
TD
TAPING*
*Please see “PACKAGING”
2212
NOMINAL
RESISTANCE
4 digits
F
TOLERANCE
F: (±1%)
D: (±0.5%)
Contact our sales representatives before you use our products for applications including
automotives, medical equipment and aerospace equipment. Malfunction or failure of the
products in such applications may cause loss of human life or serious damage .
FEaTURES
T: Sn (L: Sn/Pb)
**Style 1F and 1H only available in "T"
(G: Au)
DIMEnSIOnS (mm)
TYPE
RK73H 1F
RK73H 1H
RK73H 1E
RK73H 1J
RK73H 2a
RK73H 2B
RK73H 2E
RK73H W2H*
RK73H W3a*
0.4
0.6
1.0
1.6
2.0
L
± 0.02
± 0.03
+ 0.1
– 0.05
± 0.2
± 0.2
3.2 ± 0.2
5.0 ± 0.2
6.3 ± 0.2
W
0.2 ± 0.02
0.3 ± 0.03
0.5 ± 0.05
0.8 ± 0.1
1.25 ± 0.1
1.6 ± 0.2
2.6 ± 0.2
2.5 ± 0.2
3.1 ± 0.2
c
0.1 ± 0.03
0.1 ± 0.05
0.2 ± 0.1
0.3 ± 0.1
0.4 ± 0.2
d
0.11 ± 0.03
0.15 ± 0.05
0.25
+ 0.05
– 0.1
0.3 ± 0.1
+ 0.2
0.3
– 0.1
0.4
– 0.1
0.65 ± 0.15*
+ 0.2
■
RuO
2
thick film resistor element
SIZE
■
Anti-leaching nickel barrier terminations
NEW
01005
■
Excellent heat resistance and moisture resistance are
0201
ensured by the use of metal glaze thick film
■
High stability and high reliability with the triple-layer
0402
structure of electrode
0603
■
Also available with gold plated electrodes in size 1E, 1J and
2A (10Ω…1MΩ)
0805
■
Rated ambient temperature: +70° C
1206
■ AEC-Q200 testdata are available on request
1210
■
Taping according to IEC-60 286-3
■
Meets or exceeds IEC 60 115-8, JIS C 5201-8, CECC 40 401-802,
2010
EIAJ RC-2134B
2512
■
Suitable for reflow and wave soldering
t
0.13 ± 0.02
0.23 ± 0.03
0.35 ± 0.05
0.45 ± 0.1
0.5 ± 0.1
0.6 ± 0.1
0.5 ± 0.3
RaTIng
SIZE
TYPE
T.C.R.
(ppm/K)
POWER*
RaTIng
MaX.
WORKIng
VOLTagE
15 V
25 V
+ 0.2
* RK73H 2H and RK73H 3A are also still available (different "d" dimensions = 0.4 mm)
- 0.1
01005
NEW
RK73H
1F
0201
RK73H
1H
RK73H
1E
± 300
0.03 W
± 250
± 400
0.05 W
± 200
± 200
0.063 W
± 100
± 200
0.1 W
± 100
± 400
± 200
0.125 W
± 100
± 400
± 200 0.25 W
± 100
± 400 0.33 W
0.5 W
± 200
0.33 W
0.5 W
± 100
0.33 W
± 400
MaX.
OVERLOaD
VOLTagE
30 V
50 V
RESISTANCE RANGE (E24 • E96)
D (±0.5%)
—
F (±1%)
10 Ω ... 6.2 kΩ (E24 only)
6.8 kΩ ... 1 MΩ (E24 only)
1 Ω ... 9.1 Ω (E24 only)
10 Ω ... 10 MΩ (E24 & E96)
1
Ω … 9.76 Ω
1.02 MΩ … 10 MΩ
OPERaTIng
TEMPERaTURE
RangE
-55° C...+125°C*
—
10 Ω ... 1 MΩ (E24 only)
—
10 Ω ... 1 MΩ
––
10 Ω ... 1 MΩ
—
10 Ω ... 1 MΩ
—
10 Ω ... 1 MΩ
—
10 Ω … 1 kΩ
1.02 kΩ … 1 MΩ
—
10 Ω ... 1 MΩ
—
10 Ω ... 1 MΩ
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
0402
0603
0805
1206
1210
2010
2512
RK73H
1J
RK73H
2a
RK73H 2B
RK73H 2E
RK73H W2H
RK73H W3a
50 V
150 V
200 V
100 V
200 V
400 V
10 Ω ... 1 MΩ
1
Ω … 9.76 Ω
1.02 MΩ … 10 MΩ
10 Ω ...1 MΩ
1.02 MΩ ... 10 MΩ
1 Ω … 9.76 Ω
10 Ω ... 1 MΩ
5.62 MΩ … 10 MΩ
1
Ω … 9.76 Ω
1.02 MΩ … 5.6 MΩ
10 Ω ... 1 MΩ
5.62 MΩ … 10 MΩ
1
Ω … 9.76 Ω
1.02 MΩ … 5.6 MΩ
10 Ω … 1 kΩ
1.02 kΩ … 1 MΩ
-55° C...+155°C*
5.62 MΩ … 10 MΩ
1
Ω … 9.76 Ω
1.02 MΩ … 5.6 MΩ
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 marked with ( ).
Care should be taken, that RK73H1F may be damaged when static electricity occurs and is applied in the equipment assembly process.
z
± 200 0.75 W
± 100
± 400
200 V
± 200 1 W
(500 V)**
± 100
400 V
(500 V)**
10 Ω ... 1 MΩ
5.62 MΩ … 10 MΩ
1
Ω … 9.76 Ω
1.02 MΩ … 5.6 MΩ
10 Ω ... 1 MΩ
Preferred
TOLerANCe
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
7
Revision: 14. Dec. 2009
RESISTORS
FLAT CHIP
RESISTORS
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
High temperature exposure
TEST COnDITIOnS
IEC 60115-1 4.25.1
70° C ± 2° 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); 100 cycles
IEC 60115-1 4.24
40° C ± 2° C; 90%…95% RH; 1000h
IEC 60115-1 4.25.3
+125° C / 1000h (1F, 1H); +155 °C / 1000h (1E...W3A)
IEC 60115-1 4.13
Rated voltage x 2.5 for 5 sec.
2B: Rated voltage x 2 for 5 sec.
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 60115-1 4.18
10 ± 1 sec. at 260 ± 5° C solder bath temperature
1J, 2A, 2B:
all others:
1F:
all others:
1F:
1J, 2A, 2B:
all others:
1F:
all others:
1F:
all others:
TYPICaL TEST RESULTS
∆R ± (0.75% + 0.05 Ω)
∆R ± (1% + 0.05 Ω)
∆R ± (0.5% + 0.05 Ω)
∆R ± (0.3% + 0.05 Ω)
∆R ± (1.5% + 0.05 Ω)
∆R ± (0.75% + 0.05 Ω)
∆R ± (1% + 0.05 Ω)
∆R ± (0.5% + 0.05 Ω)
∆R ± (0.3% + 0.05 Ω)
∆R ± (1% + 0.05 Ω)
∆R ± (0.5% + 0.05 Ω)
Within specified T .C .R .
Contact our sales representatives before you use our products for applications including
automotives, medical equipment and aerospace equipment. Malfunction or failure of the
products in such applications may cause loss of human life or serious damage .
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
Short time overload
T .C .R .
Bending test
∆R ± (0.5% + 0.1 Ω)
1F, 1H (10 Ω
;
R
; 1MΩ):
∆R ± (0.75% + 0.05 Ω)
1E~W3A (R < 10 Ω, R >1MΩ): ∆R ± (1% + 0.05 Ω)
all others:
∆R ± (0.5% + 0.05 Ω)
Resistance to soldering heat
DERaTIng CURVE
SURFaCE TEMPERaTURE RISE
TEMPERATURE RISE (°C)
% RATED POWER
OnE-PULSE LIMITIng ELECTRIC POWER
KOa RK73 Flat Chip Resistors (Diagram for reference only)
PULSE POWER IN WATTS (P
O
)
1.E-06
1µs
1.E-05
1.E-04
1.E-03
1.E-02
1.E-01
PULSE DURATION TIME IN SECONDS (t)
1. E+00
1s
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: 14. Dec. 2009
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