ow l hmo
Thick Film
CURRENT SENSiNg CHip
STRUCTURE
SR73 1 Ceramic substrate
2 Top termination (Ag Pd)
3 Bottom termination (Ag)
4 Resistive layer
5 Glass layer
6 Trimming cut
7 Protective layer
8 End termination
9 Diffusion barrier (Ni)
iDENTiFiCATiON
10 Solder plating
COATiNg
pRODUCT CODE MARKiNg
COLOR
SR73 1E
None
SR73 1J (1%)
SR73 1J (2%, 5%) Indigo
White, 3 digits
products with pb-free terminations
SR73 2AW3A (2%, 5%)
meet RoHS requirements
SR73 2AW3A (0.5%, 1%) White, 4 digits
TYpE DESigNATiON (HOW TO ORDER)
SR73 2A T TD R475 F
STYLE
PRODUCT CODE TERMINATION TAPING* NOMINAL TOLERANCE
1EW3A D: 0.5%
SURFACE MATERIAL RESISTANCE
F: 1%
T: Sn
D, F: 4 digits
G: 2%
L: Sn/Pb
J, G: 3 digits
*Please see PACKAGING
J: 5%
(G: Au)
FEATURES DiMENSiONS (mm)
RuO thick film resistor element
2
SiZE TYpE L W c d t
Anti-leaching nickel barrier terminations
High reliability and performance with T.C.R. + 0.1 + 0.1
0402 SR73 1E 1.0 0.5 0.25 0.1 0.25 0.1 0.35 0.1
0.05 0.05
100 ppm/K and resistance tolerance 1%
+ 0.15
0603 SR73 1J 1.6 0.2 0.8 0.35 0.1 0.35 0.1 0.45 0.1
0.1
Also available with gold plated electrodes in size 2A (0.110)
+ 0.2
0805 SR73 2A 2.0 0.2 1.25 0.1 0.4 0.2 0.3 0.5 0.1
Rated ambient temperature: + 70 C
0.1
Operating temperature range: - 55 C + 150 C
1206 SR73 2B 1.6 0.2
+ 0.2
0.4
3.2 0.2 0.1
The most suitable current detecting resistor
1210 SR73 2E 2.6 0.2
for power supply, motor circuits etc.
0.5 0.3 0.6 0.1
2010 SR73 W2H* 5.0 0.2 2.5 0.2
Ideal for use in computers, HDD, cellular phones, motor circuits etc.
0.65 0.15*
Suitable for reflow and wave soldering
2512 SR73 W3A* 6.3 0.2 3.1 0.2
Meets or exceeds IEC 60 115-8, JIS C 5201-8
+ 0.2
* SR73 2H and SR73 3A are also still available (different dimensions = 0.4 mm)
0.1
Lab Kit available
RATiNg
MAX. MAX.
RESiSTANCE RANEg
1
T.C.R. pOWER*
SiZE TYpE WORKiNg OVERLOAD
(ppm/K) RATiNg
VOLTAEg VOLTAEg D(0.5%) E96 E24 F (1%) E96 E24 g (2%) E24 J (5%) E24
3
200 0.51 ~ 10 * 0.51 ~ 10 0.51 ~ 10
0.125 W
3
0402 SR73 1E 300 0.2 ~ 0.47 * 0.2 ~ 0.47 0.2 ~ 0.47
2
(0.166 W)*
2.79 V
1.11 V
3
500 0.1 ~ 0.18 * 0.1 ~ 0.18 0.1 ~ 0.18
0603 SR73 1J 200 0.2 W 1.41 V 3.53 V 0.1 ~ 10 0.1 ~ 10 0.1 ~ 10
100 0.15 ~ 10 0.1 ~ 10
200 0.25 W 0.1 ~ 10 0.1 ~ 10
0805 SR73 2A 1.58 V 3.95 V
2
500 (0.33 W)* 0.051 ~ 0.091
800 0.030 ~ 0.047
100 0.15 ~ 10 0.1 ~ 10
200 0.33 W 0.1 ~ 10 0.1 ~ 10
1206 SR73 2B 1.81 V 4.54 V
2
500 (0.5 W)* 0.056 ~ 0.091
800 0.030 ~ 0.051
100 0.1 ~ 10
200 0.5 W 0.1 ~ 10 0.047 ~ 10
1210 SR73 2E 2.23 V 5.59 V
2
500 (0.66 W)* 0.036 ~ 0.043
1000 0.024 ~ 0.033
100 0.1 ~ 10
200 0.1 ~ 10 0.1 ~ 10
2010 SR73 W2H 0.75 W 2.73 V 6.84 V
500 0.056 ~ 0.091
800 0.033 ~ 0.051
100 0.1 ~ 10
200 0.1 ~ 10 0.1 ~ 10
2512 SR73 W3A 1.0 W 3.16 V 7.90 V
500 0.056 ~ 0.091
800 0.039 ~ 0.051
1
* : For resistors operated at an ambient temperature of +70C or above, the power rating shall be derated.
2:
* Please contact KOA if the part is used at marked, increased power.
3:
* SR73 1E only in E24 values.
z
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
EUROPE GmbH Kaddenbusch 6 D-25578 Dgeling / ITZEHOE PHONE: +49 (0) 48 21 / 89 89-0 FAX: +49 (0) 48 21/ 89 89 89 Internet: www.koaeurope.de
Revision: 10. Nov. 2006
26
LOW OHM
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.X-ON Electronics
Largest Supplier of Electrical and Electronic Components
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