Type 3204 Series
The 3204 miniature chip trimmer
incorporates the latest technology
developments and has been
rigorously tested to the highest
standards. Special attention during
the design of the product, ensures
that this component meets specific
requirements of hybrids and
modern surface mounting boards.
It is fully sealed until you are ready
to trim, so it is highly suitable for
both dip and wave soldering. It can
then be resealed by the use of
rubber based lock paint.
Key Features
■Cermet Element
■Suitable for Dip and
Wave Soldering
■Available in Standard
12mm Tape
■Available from Stock
■Small, Compact Size
(4mm Square)
■Terminal Layout Stops
Solder Bridging
■Smooth Top Assists
Placement
Characteristics -
Electrical
Characteristics -
Mechanical
Rotational Torque: 2 to 20 mNm
Mechanical Adjustment: 240°
Weight: 0.11 grams
Soldering Strength: Horizontal 500gf minimum
Vertical 500gf minimum
Characteristics -
Environmental
Temperature Range: - 20°C to 85°C
Temperature Storage: 500 hours at 70°C
Rotational Life: 20 cycles
Load Life: ΔR < 5% after 1000 hours
Sealing: Sealed for 20 operations
Soldering Heat: 250°C ±5°C for 5 ± 1 seconds
Humidity Load Life: ΔR ±5% after 500 hours at 95 RH under load
High Temperature Rise: ΔR ± 5% after 500 hours at 100°C
Resistance Range: 100R to 1M
Standard Resistance Values: 1, 2, 5 in each decade
Resistance Tolerance: ± 25%
Temperature Coefficient of Resistance: ± 250ppm / °C ( -30°C to 100°C)
Resistance Law: Linear
Maximum Operating Voltage: 50V DC or AC RMS maximum
Resolution: Essentially Infinite
Contact Resistance: <10R below 1K - <1% above 1K
Power Rating: 0.1W at 70°C
Effective Electrical Angle: 250° ± 20°
When the ambient temperature exceeds 70°C, reduce the rated power
and current in accordance with the derating curve given
Derating Curve
0 10 20 30 40 50 60 70 80 90 100
Ambient Temperature (°C)
100
80
60
40
20
0
Rated Power (%)
SMD Economy Trimmers
Type 3204 Series
Literature No. 1773132
Issued: 03-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
Substrate Layout
Dimensions
Application Notes -
Ambient Temperature
How to Order
3204 X 502 P
Common Part
X - Terminals 1 and 3
away from the
sprocket holes
Orientation
The first two digits are
significant figures of
resistance value and the
third denotes the num-
ber of zeros following.
e.g. 1K: 102
5K: 502
100K: 104
Resistance Value Tolerance
3204 - 4mm
Sealed Trimmer P - 25 %
Care must be taken with regard to ambient temperature of potentiometers Load should be derated in
accordance with specified derating curve, at high temperatures.
Anode Oxidation
When D.C. current is used and the trimmer is to remain in one set position for a long period, it is good
practice to connect the negative line to the resistance element and the positive line to the wiper terminal.
With the polarity reversed, particularly in moist conditions, it is possible for surface oxidation of the contact
to cause a resistance increase.
Storage
For maximum possible shelf life do not disturb polythene sleeve until you are ready to use
the potentiometer.
SMD Economy Trimmers
Type 3204 Series
Literature No. 1773132
Issued: 03-08
Dimensions are shown for
reference purposes only.
Dimensions are in
millimetres unless
otherwise specified.
Specifications subject to
change.
tycoelectronics.com
passives.tycoelectronics.com
