LOW OHM
THick FiLM
CURRENT SENSiNg Chip
SR73
STRUCTURE
1 Ceramic substrate
2 Top termination
3 Bottom termination
4 Resistive layer
5 Glass layer
6 Trimming cut
7 Protective layer
8 End termination
9 Diffusion barrier (Ni)
10 Solder plating
iDENTiFiCATiON
COATiNg
COLOR
pRODUCT CODE
MARKiNg
SR73 1h
SR73 1E
Black
None
SR73 1J (1ꢁ)
SR73 1J (2ꢁ, 5ꢁ)
SR73 2A…W3A (2ꢁ, 5ꢁ)
SR73 2A…W3A (0.5ꢁ, 1ꢁ)
Indigo
products wꢂtꢃ pb-free termꢂnatꢂons
meet EU-RohS requꢂrements
White, 3 digits
White, 4 digits
TYpE DESigNATiON (hOW TO ORDER)
Contact us when you have control request
for environmental hazardous material other
than the substance specified by EU-RoHS
SR73
2A
T
TD
R475
F
STYLE
1H…W3A
PRODUCT CODE
TERMINATION
SURFACE MATERIAL
TAPING*
NOMINAL
RESISTANCE
D, F: 4 digits
TOLERANCE
D: ( 0.5ꢀ)
F: ( 1ꢀ)
G: ( 2ꢀ)
J: ( 5ꢀ)
T: Sn
(L: Sn/Pb)
(G: Au)
J, G: 3 digits
*Please see “PACKAGING”
FEATURES
DiMENSiONS (mm)
■
■
■
RuO2 thick film resistor element
SiZE
0201
0402
0603
0805
1206
1210
2010
2512
TYpE
L
W
c
d
t
Anti-leaching nickel barrier terminations
High reliability and performance with T.C.R.
SR73 1h
SR73 1E
SR73 1J
SR73 2A
SR73 2B
SR73 2E
SR73 W2h*
SR73 W3A*
0.6 0.03 0.3
0.03 0.1
0.05 0.15 0.05 0.23 0.03
+ 0.1
– 0.05
+ 0.1
– 0.05
1.0
0.5
0.8
0.25 0.1
0.35 0.1
0.25 0.1
0.35 0.1
0.35 0.05
0.45 0.1
100 ppm/K and resistance tolerance 1ꢀ
Also available with gold plated electrodes in sizes 1J, 2A, 2B (0.1Ω…10Ω)
Rated ambient temperature: + 70° C
Operating temperature range: - 55° C … + 150° C (1H: + 125°C)
The most suitable current detecting resistor
+ 0.15
– 0.1
■
■
■
■
1.6 0.2
2.0 0.2
+
–
0.2
0.1
1.25 0.1
0.4
0.2
0.3
0.5
0.1
1.6
2.6
2.5
3.1
0.2
0.2
0.2
0.2
+
–
0.2
0.1
0.4
3.2 0.2
for power supply, motor circuits etc.
Ideal for use in computers, HDD, cellular phones, motor circuits etc.
Suitable for reflow and wave soldering
AEC-Q200 testdata are available on request
Meets or exceeds IEC 60 115-8, JIS C 5201-8, EIAJ RC-2134B
0.5
0.3
0.6
0.1
■
■
■
■
5.0 0.2
6.3 0.2
0.65 0.15*
+
–
0.2
0.1
* SR73 2H and SR73 3A are also still available (different "d" dimensions = 0.4
mm)
RATiNg
MAX.
WORKiNg
VOLTAgE
MAX.
OVERLOAD
VOLTAgE
RESiSTANCE RANgE AND TOLERANCES
T.C.R.
(ꢀꢀm/K)
pOWER*1
RATiNg
SiZE
TYpE
D ( 0.5ꢁ) E96·E24
F ( 1ꢁ) E96· E24
g ( 2ꢁ) E24
J ( 5ꢁ) E24
0...+400
0...+500
200
–
–
–
–
–
–
1 Ω ~ 10 Ω*3
—
—
0.27 Ω ~ 10 Ω
0.18 Ω ~ 0.24 Ω
0.51 Ω ~ 10 Ω
0.22 Ω ~ 0.47 Ω
0.1 Ω ~ 0.2 Ω
0.1 Ω ~ 10 Ω
—
0201
SR73 1h
0.1 W
1.00 V
2.50 V
NEW
—
0.51 Ω ~ 10 Ω*3
0.51 Ω ~ 10 Ω
0.22 Ω ~ 0.47 Ω
0.1 Ω ~ 0.2 Ω
0.1 Ω ~ 10 Ω
0.125 W
(0.166 W)*2
1.11 V
(1.28 V)*2
0402
0603
SR73 1E
SR73 1J
250
300
200
100
2.79 V
3.53 V
0.22 Ω ~ 0.47 Ω*3
0.1 Ω ~ 0.2 Ω*3
0.2 W
1.41 V
0.1 Ω ~ 10 Ω
0.1 Ω ~ 10 Ω
0.15 Ω ~ 10 Ω
—
200
500
800
100
200
500
800
100
200
500
1000
100
200
500
800
100
200
0.25 W
1.58 V
–
–
–
—
—
—
0.1 Ω ~ 10 Ω
0.1 Ω ~ 10 Ω
0.051 Ω ~ 0.091 Ω
0.030 Ω ~ 0.047 Ω
—
0.1 Ω ~ 10 Ω
0.056 Ω ~ 0.091 Ω
0.030 Ω ~ 0.051 Ω
—
0.047 Ω ~ 10 Ω
0.036 Ω ~ 0.043 Ω
0.024 Ω ~ 0.033 Ω
—
0.1 Ω ~ 10 Ω
0.056 Ω ~ 0.091 Ω
0.033 Ω ~ 0.051 Ω
—
0805
1206
1210
2010
2512
SR73 2A
SR73 2B
SR73 2E
3.95 V
4.54 V
5.59 V
6.84 V
7.90 V
(0.33 W)*2
(1.81 V)*2
—
—
—
0.15 Ω ~ 10 Ω
0.1 Ω ~ 10 Ω
0.33 W
(0.5 W)*2
1.81 V
(2.32 V)*2
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
—
—
—
0.1 Ω ~ 10 Ω
—
—
—
0.1 Ω ~ 10 Ω
0.5 W
(0.66 W)*2
2.23 V
(2.56 V)*2
—
—
—
0.1 Ω ~ 10 Ω
—
—
0.1 Ω ~ 10 Ω
—
—
—
0.1 Ω ~ 10 Ω
SR73 W2h
SR73 W3A
0.75 W
1.0 W
2.73 V
3.16 V
—
––
—
0.1 Ω ~ 10 Ω
—
—
—
0.1 Ω ~ 10 Ω
0.1 Ω ~ 10 Ω
0.056 Ω ~ 0.091 Ω
0.039 Ω ~ 0.051 Ω
500
800
—
—
*1: For resistors operated at an ambient temperature of +70°C or above, the power rating shall be derated.
2:
*
*
Please contact KOA if the part is used at marked, increased power.
SR73 1H and SR73 1E only in E24 values.
3:
z
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
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: 14. Dec. 2009
25