MODELS SMA and OMA
Metal Film Resistors
Semi-Precision, Zero Ohm Jumpers (OMA)
FEATURES
•
Leads are electroplated, high purity copper
•
Dual rated parts provide high density board mounting
•
Temperature coefficient for SMA 0207S,
±
1% is
±
50PPM/°C
•
Green, multilayer liquid epoxy system provides excellent moisture and
mechanical protection
STANDARD ELECTRICAL SPECIFICATIONS
WATTAGE RATING
STANDARD
MODEL
SMA 0204
SMA 0207S
SMA 0207S
SMA 0309S
SMA 0309S
OMA 0207
OMA 0204
@ + 70
°
C
1/8
1/4
1/4
1/2
1/2
DUAL
@ + 125
°
C
1/10
1/8
1/8
1/4
1/4
@ + 70
°
C
1/2
1/2
1/2
1
1
VOLTAGE
RATING
200
300
300
350
350
RESISTANCE
RANGE
(Ohms)
STANDARD
TOLERANCE
±
1%,
±
5%
±
1%
±
2%,
±
5%
±
1%
±
2%,
±
5%
TEMPERATURE
COEFFICIENT
PPM/
°
C
100
50
100
100
100
1 - 1M
1 - 5.1M
1 - 5.1M
1 - 2.21M
1 - 5.1M
(Zero Ohm Jumper)
(Zero Ohm Jumper)
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
1.10 [27.94]
Min.
B
A
C
D
MODEL
SMA 0204/
OMA 0204
SMA 0207S/
OMA 0207
SMA 0309S
A
.142
±
.010
[3.61
±
.254]
.235
±
.020
[5.97
±
.508]
.303
±
.020
[7.70
±
.508]
B
.071 [1.80]
(Max.)
C
.160 [4.06]
(Max.)
D
.020
[.508]
.024
[.610]
.026
[.660]
.090
±
.008
[2.29
±
.203]
.110
±
.008
[2.79
±
.203]
.281
[7.14]
.375
[9.53]
ENVIRONMENTAL PERFORMANCE
MAXIMUM
∆
R
TEST
Thermal Shock
Short Time Overload
Low Temperature Operation
Moisture Resistance
Shock
Vibration
Load Life
(1000 hours standard rating)
Terminal Strength
Dielectric Withholding Voltage
Effect Solder Heat
SMA 0204
±
0.25%
±
0.25%
±
0.25%
±
1.0%
±
0.1%
±
0.1%
±
0.5%*
±
0.1%
±
0.1%
±
0.1%
SMA 0207S
±
0.25%
±
0.25%
±
0.25%
±
0.5%**
±
0.1%
±
0.1%
±
0.5%*
±
0.1%
±
0.1%
±
0.1%
SMA 0207S
±
0.25%
±
0.25%
±
0.25%
±
0.5%**
±
0.1%
±
0.1%
±
0.5%*
±
0.1%
±
0.1%
±
0.1%
SMA 0309S
±
0.25%
±
0.25%
±
0.25%
±
0.5%**
±
0.1%
±
0.1%
±
0.5%*
±
0.1%
±
0.1%
±
0.1%
SMA 0309S
±
0.25%
±
0.25%
±
0.25%
±
0.5%**
±
0.1%
±
0.1%
±
0.5%*
±
0.1%
±
0.1%
±
0.1%
OMA 0207
Zero Ohm
Jumper
OMA 0204
Zero Ohm
Jumper
* 1000 hours
∆R
for Dual Rating is
±
1%. ** Resistance Values: 1 ohm to 10 ohm
∆R ±
(2.5% + 0.05 ohm). 1 Megohm to 5.1 Megohm
∆R ±
(1% + 0.05 ohm).
Vishay Dale
2300 Riverside Blvd., Norfolk, NE 68701-2242 •
Phone
(402) 371-0080 •
Fax
402-644-4206 •
Internet
www.vishay.com
Major Vishay Brands
Dale • Draloric • Foil Resistors • Measurements Group • Roederstein • Sfernice • Sprague • Thin Film • Vitramon
MODELS SMA and OMA
PART MARKING
Commercial
±
2.5% Tolerance
1,
2, 4,
5
Commercial
±
1.0% Tolerance
1, 2,
3, 4, 5
1. 1st Significant Figure
2. 2nd Significant Figure
3. 3rd Significant Figure
4. Multiplier
5. Tolerance
Note:
OMA 0204 and OMA 0207 zero ohm type resistors are marked with a single black color band. All band widths and spacing shown are for reference only.
DERATING
% OF RATED POWER
100
80
60
40
20
0
50
70
90
110
130
150
170
+ 70
°
C
+ 165
°
C
AMBIENT TEMP. DEG. CENTIGRADE
HOW TO ORDER
SMA
MODEL
0207S
SIZE
100k
RESISTANCE
±
1%
TOLERANCE
100k = 100,000Ω
±
1%
±
2%
±
5%
For Zero Ohm Resistors, OMA 0204 or OMA 0207 is sufficient callout.
Manufactured in Germany
Vishay Dale
2300 Riverside Blvd., Norfolk, NE 68701-2242 •
Phone
(402) 371-0080 •
Fax
402-644-4206 •
Internet
www.vishay.com
Major Vishay Brands
Dale • Draloric • Foil Resistors • Measurements Group • Roederstein • Sfernice • Sprague • Thin Film • Vitramon
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