3345P-1-300 Bourns Inc., 3345P-1-300 Datasheet

TRIMMER - 1/2" RD ST WW

3345P-1-300

Manufacturer Part Number
3345P-1-300
Description
TRIMMER - 1/2" RD ST WW
Manufacturer
Bourns Inc.
Series
3345 - Sealedr
Datasheet

Specifications of 3345P-1-300

Resistance (ohms)
30
Termination Style
PC Pin
Power (watts)
1W
Tolerance
±5%
Temperature Coefficient
±50ppm/°C
Number Of Turns
Single
Adjustment Type
Top Adjustment
Resistive Material
Wirewound
Mounting Type
Through Hole
Package / Case
Round - 0.450" Dia x 0.235" H (11.43mm x 5.97mm)
Resistance
30 Ohms
Power Rating
1 Watt
Operating Temperature Range
- 55 C to + 150 C
Element Type
Wire Wound
Product
Trimmer Resistors - Single Turn
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Standard Resistance Range
Resistance Tolerance ................ ±5 % std.
Absolute Minimum Resistance
Noise ........................ 100 ohms ENR max.
Resolution
Dielectric Strength
Insulation Resistance .................. 500 vdc.
Adjustment Angle .....................280 ° nom.
Environmental Characteristics
Power Rating
Temperature Range ...... -55 °C to +150 °C
Temperature Coeffi cient ....... ±50 ppm/°C
Seal Test ..........................85 °C Fluorinert†
Humidity .......... MIL-STD-202 Method 106
Vibration ...........30 G (1 % ΔTR; 1 % ΔVR)
Shock .............100 G (1 % ΔTR; 1 % ΔVR)
Load Life ...... 1,000 hours, 1 watt @ 70 °C
Rotational Life ........................... 200 cycles
Physical Characteristics
Mechanical Angle .....................310 ° nom.
Torque ................................ 5.0 oz-in. max.
Stop Strength ...................... 15 oz-in. min.
Terminals ........................... Solderable pins
Weight ............................................0.04 oz.
Marking .............................. Manufacturer’s
Standard Packaging .......100 pcs. per bag
REV. 08/10
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
“Trimpot” is a registered trademark of Bourns, Inc.
†”Fluorinert” is a registered trademark of 3M Co.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Characteristics
Sea Level .................................1,500 vac
70,000 Feet ................................350 vac
70 °C ..............................................1 watt
150 °C ...........................................0 watt
...................................... 10 to 50K ohms
.........................1.0 % or 0.5 ohms max.
................See standard resistance table
(see standard resistance table)
manufacturer’s model number
trademark, resistance code,
(1 % ΔTR, 10 megohms IR)
(tighter tolerance available)
wiring diagram, date code,
(2 % ΔTR; 500 ohms ENR)
(whichever is greater)
1,000 megohms min.
100 megohms min.
and style
(.495 ± .015)
(.550 ± .015)
DIA.
Features
3345P
3345P THUMBWHEEL
3345W
3345W THUMBWHEEL
TOLERANCES:
3345 - 1/2 ” Round Trimpot
(.235 ± .015)
12.57 ± .38
13.97 ± .38
5.97 ± .38
(.495 ± .015)
ADJ. SLOT
(.525 ± .015)
Product Dimensions
12.57 ± .38
Single-turn / Wirewound / Industrial /
Sealed
Industrial wirewound
1.0 watt power rating at 70 °C
Available with a thumbwheel and
screwdriver slot adjustment
RoHS compliant*
13.34 ± .38
(.450 ± .015)
11.43 ± .38
MIN. LENGTH
DIMENSIONS:
(.200)
(.235)
5.08
5.97
(.450 ± .015)
DIA.
11.93 ± .38
MIN.
LONG X
(.450 ± .015)
(.010)
11.43 ± .38
0.25
(.500)
MIN. STANDOFFS
12.7
(.270 ± .015)
(.035)
.686 ± .38
(.015)
.89
.38
(.043 ± .015)
(INCHES)
1.09 ± .38
EXCEPT WHERE NOTED
DEEP X
MM
(.028 ± .003)
(.10)
2.54
.71 ± .08
DIA.
2
(.025)
(.315 ± .015)
(.235 ± .015)
(.10)
2.54
3
2
1
.64
8.00 ± .38
5.97 ± .38
DIA.
(.10)
2.54
3
1
(.345 ± .015)
(.270 ± .015)
WIDE
(.450 ± .015)
8.78 ± .38
(.043 ± .015)
6.86 ± .38
11.43 ± .38
1
1.09 ± .38
2.54
(.10)
2
2.54
(.10)
(.10)
2.54
3
®
Trimming Potentiometer
Special resistances available from 10 to
50K ohms.
Model
Style
Standard Product
Resistance Code
Optional Suffi x Letter
Consult factory for other available options.
How To Order
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
For trimmer applications/processing
guidelines,
Standard Resistance Table
T = Thumb Wheel
CCW
1
click here
CLOCKWISE
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
503
3345 P - 1 - 502 T
2
WIPER
Resolution
(Percent)
Nominal
3
0.94
0.76
0.58
0.49
0.49
0.38
0.30
0.24
0.18
0.14
0.13
0.12
CW

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