SMD Economy Trimmers
Type 3142 Series
Type 3142 Series
Characteristics -
Electrical
Resistance Range:
Resistance Values:
Resistance Tolerance:
Resistance Law:
Temperature Coefficient of Resistance:
Operating Voltage:
Wiper Current:
Resolution:
Contact Resistance Variation:
A range of small single turn trimmers
Power Rating:
suited
to
reflow
soldering
and
Electrical Rotation:
attractively
priced
for
volume
End Resistance:
application. The 3142 is supplied on
Insulation Resistance:
12mm tape on 180mm diameter reels.
This product is long established,
having an excellent reputation for
Characteristics -
long term stability. It is readily available
Mechanical
from our network of distributors.
Rotation Torque:
Key Features
Solder Strength:
I
Stable Cermet Element
Mechanical Rotation:
I
0.15W Power Rating
I
Packed in Standard 12mm
Characteristics -
Tape
Environmental
I
Suited to Auto Placement
Operating Temperature Range:
I
Temperature Range
Humidity Load Life:
-25°C to +85°C
Load Life:
I
Excellent Vacuum Pickup
Temperature Cycle:
on Rotor
Rotational Life:
Height Profile of Just 2.4mm
I
from Board
Derating Curve
Literature No. 1773128
Dimensions are shown for
Issued: 08-05
reference purposes only.
100R to 1M
1, 2 & 5 in each decade
± 25%
Linear
± 250ppm/°C
50 V DC maximum
50mA maximum
Infinite
<5% of Nominal Value
0.15 Watts @ 70°C
270° ±10°
5% maximum
100M (250V DC) minimum
2.0 - 20 mNm
300mNm (3 directions) minimum
360° Continuous
-25°C to +85°C
350 hrs 40°C RH 90-95% ∆R ±5%
1000 hrs @ 70°C ∆R ±5%
∆R ±3% -25°C ~ +85°C
10 ±10% cycles
100
80
60
40
20
0
0
10
20
30
40
50
60
Ambient Temperature (°C)
When the ambient temperature exceeds 70°C, reduce the rated power and
current in accordance with the derating curve shown
Dimensions are in millimetres
Specifications subject to
unless otherwise specified.
change.
70
80 85
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