SR73
lo-ohm 0.5%, 1%, 2%, 5% tolerance thick film
current sense resistor
EU
features
• Current detecting resistors for power
supply, motor circuits, etc.
• High reliability and performance with resistance
tolerance ±0.5%, T.C.R. ±100 x 10-6 /K
• Suitable for both reflow and flow solderings
• Products with lead-free terminations meet EU RoHS
requirements. EU RoHS regulation is not intended for
Pb-glass contained in electrode, resistor element and glass.
• AEC-Q200 Tested: 0402 (1E), 0603 (1J), 0805 (2A),
1206 (2B), 1210 (2E), 2010 (2H/W2H), 2512 (3A/W3A)
dimensions and construction
Type
(Inch Size Code)
Dimensions inches (mm)
L
c
c
L
W
c
d
t
.024±.001
.012±.001
.004±.002
.006±.002
.009±.001
1H (0201)
1E (0402)
(0.6±0.03)
(0.3±0.03)
(0.1±0.05)
(0.15±0.05)
(0.23±0.03)
W
d
.039 +.004
.02 +.004
-.002
.01±.004
(0.25±0.1)
.01±.004
(0.25±0.1)
.014±.002
(0.35±0.05)
(1.0 +0-..0102
)
(0.5 +0.1
)
Sn
-0.05
-0.05
Plating
.031 +.006
Ni
Plating
.063±.008
(1.6±0.2)
.014±.004
(0.35±0.1)
.014±.004
(0.35±0.1)
.018±.004
(0.45±0.1)
(0.8 +0-..01054
)
t
1J (0603)
2A (0805)
-0.1
.012 +.008
.079±.008
(2.0±0.2)
.049±.004
(1.25±0.1)
.016±.008
(0.4±0.2)
-.004
.02±.004
(0.5±0.1)
Protective
Coating
Resistive Inner
(0.3 +0.2
)
Film
Electrode
-0.1
.063±.008
Ceramic
Substrate
2B (1206)
2E (1210)
2H (2010)
W2H (2010)
(1.6±0.2)
.126±.008
(3.2±0.2)
.016 +.008
.102±.008
-.004
(2.6±0.2)
(0.4 +0.2
)
-0.1
.197±.008
(5.0±0.2)
.098±.008
(2.5±0.2)
.026±.006
.02±.012
(0.5±0.3)
.024±.004
(0.6±0.1)
(0.65±0.15)
.016 +.008
-.004
3A (2512)
(0.4 +0.2
)
.248±.008
(6.3±0.2)
.122±.008
(3.1±0.2)
-0.1
.026±.006
W3A (2512)
(0.65±0.15)
ordering information
SR73
2B
T
TD
1R00
F
Termination
Material
Nominal
Resistance
Type
Size
Packaging
Tolerance
TCM: 2mm pitch press paper *4
TPL - TP: 2mm pitch punch paper
TD: 4mm pitch punch paper
1H
1E
T: Sn
±2%, ±5%: 2 significant figures
+ 1 multiplier “R” indicates
decimal on value <10Ω
D: ±0.5%
F: ±1%
G:±2%
J: ±5%
G: Au*2
1J
(L: Sn/Pb)*3
±1%: 3 significant figures
+ 1 multiplier “R” indicates
decimal on value <100Ω
TE: 4mm pitch plastic embossed
2A
For further information on packaging, please
refer to Appendix A
2B
2E
All values less than 0.1Ω
(100mΩ) are expressed in
mΩ with “L” as decimal
Example: 20mΩ = 20L
(3-digit)
*2
*3
*4
Products with gold plated electrodes are also available only 1J, 2A and
2B type (0.1Ω~10Ω, F:±1%, J:±5%), so please consult with us.
2H
W2H
3A
With type 1H, W2H and W3A, W3A2 only T is available as the terminal
surface material.
W3A
Standard taping specification of 1H is TCM. Previously available.
“TC (10,000pcs/Reel)” is not recommended for new designs.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
5/17/23
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KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com