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SR731ET Datasheet, PDF (1/8 Pages) KOA Speer Electronics, Inc. – Low Resistance Flat Chip Resistors
KOA SPEER ELECTRONICS, INC.
Low Resistance Flat Chip Resistors
Type SR73
1. Scope
This specification applies to chip resistors (SR73) produced by KOA Corporation.
SS-239 R4
AHA 12/05/07
CERTIFIED
CERTIFIED
2. Type Designation
The type designation shall be in the following form:
SR73
Size
2B
Size
T
Termination
Material
TD
Packaging
1E
T: Sn
TP: 2mm Pitch Punched
1J
(Other termination
2A
styles may be
Paper Tape
(0402, 0603 & 0805)
2B
2E
2H
available, please
contact factory
for options)
TD: 7" Paper Tape
(0603, 0805, 1206 & 1210)
TDD: 10" Paper Tape
3A
(0603, 0805, 1206 &1210)
TE: 7" Punched Plastic
(0805, 1206, 1210,
2010 & 2512)
TED: 10" Punched Plastic
(0805, 1206, 1210,
2010 & 2512)
1R00
Nominal
Resistance
F
Tolerance
±2%, ±5%: 2 significant figures +
1 multiplier “R” indicates decimal
on value <10Ω
±1%: 3 significant figures + 1
multiplier “R” indicates decimal
on value <100Ω
All values less than 0.1Ω (100mΩ)
are expressed in mΩ with “L” as
decimal Example: 20mΩ = 20L0
D: ±0.5%
F: ±1%
G: ±2%
J: ±5%
3. Dimensions and Structure
3-1 Dimensions
L
c
c
W
t
d
Protective
Coating
Resistive Inner
Film
Electrode
Ceramic
Substrate
Solder
Plating
Ni
Plating
Type
Dimensions inches (mm)
(Inch Size Code)
L
W
c
d
t
1E
(0402)
.039
+.004
-.002
.02
+.004
-.002
.01±.004 .01±.004 .014±.002
(1.0
+0.1
-0.05
)
(0.5
+0.1
-0.05
)
(0.25±0.1) (0.25±0.1) (0.35±0.05)
1J
(0603)
.063±.008
.031
+.006
-.004
.014±.004
.014±.004
.018±.004
(1.6±0.2) (0.8 +-00..115) (0.35±0.1) (0.35±0.1) (0.45±0.1)
2A
(0805)
.079±.008
.049±.004
.016±.008
.012
+.008
-.004
.02±.004
(2.0±0.2) (1.25±0.1) (0.4±0.2)
(0.3
+0.2
-0.1
)
(0.5±0.1)
2B
(1206)
2E
(1210)
2H
(2010)
3A
(2512)
.063±.008
.126±.008 (1.6±0.2)
(3.2±0.2) .102±.008
(2.6±0.2)
.197±.008 .098±.008
(5.0±0.2) (2.5±0.2)
.248±.008 .122±.008
(6.3±0.2) (3.1±0.2)
.02±.012
(0.5±0.3)
.016
+.008
-.004
(0.4
+0.2
-0.1
)
.024±.004
(0.6±0.1)
.025±.005
(0.65±0.15)
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Bolivar Drive ■ P.O. Box 547 ■ Bradford, PA 16701 ■ USA ■ 814-362-5536 ■ Fax 814-362-8883 ■ www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.