Bourns
Wirewound and Cermet Trimmers
Visit BournsÕ Website at www.bourns.com
Model 3386 Single-Turn, Cermet
Model 3059 Multi-Turn Cermet
Infinite resolution cermet element. Adjustability: ±0.01% (V.R. Mode). High Power Dissipation: 1 Watt @ 70¡C.
Resistance Tolerance: ±10%. Temperature Range: Ð55¡C to +150¡C. Low Temperature Coefficient: ±100 ppm/¡C.
EACH
StockMfr.Õs
No.*
Type
1-9
10-24
25-49
50-99
100-249
754-12XX
754-13XX
3059P-1-
3059Y-1-
5.44
5.44
4.76
4.76
4.45
4.45
4.14
4.14
3.92
3.92
1K, 2K, 10K only. *Using ohm chart below, replace ÒXXÓ in Stock No. with numbers that correspond with desired ohm value.
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
3
/8" square units. Infinite resolution cermet element. Power Rating: .5 watt at +85¡C. Resistance Tolerance: ±10%.
100
500
01
03
1K
2K
04
05
5K
10K
06
07
20K
50K
08
09
100K
Ñ
10
Ñ
Adjustability: ±0.05% voltage ratio. Temperature Range: Ð55¡C to 125¡C. Low Temperature Coefficient: ±100 ppm/¡C.
Sealed to withstand wave soldering and immersion cleaning process. Dielectric Strength: 900 VAC at sea level.
Mechanical Life: 200 cycles.
Top Adjust
Model 3314 Ñ 4 mm Square Sealed Single-Turn
Cermet SMD Trimmer
EACH
StockMfr.Õs
No.*
Type
1-9
10-24
25-49
50-99
100-249
754-32XX
754-33XX
754-34XX
3386F-1-
3386P-1-
3386R-1-
1.10
1.10
1.24
.95
.95
1.05
.88
.88
.98
.82
.82
.91
.78
.78
.86
Side Adjust
754-35XX
754-36XX
754-37XX
3386S-1-
3386W-1-
3386X-1-
1.24
1.10
1.10
1.05
.95
.95
.98
.88
.88
.91
.82
.82
.86
.78
.78
*Using OHM chart below, replace ÒXXÓ in Stock No. with numbers that correspond with desired OHM value.
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
50
100
200
03
04
05
500
1K
2K
06
07
08
5K
10K
20K
09
10
11
50K
100K
200K
12
13
14
500K
1Meg
Ñ
15
16
Ñ
11
Model RT22/3250 Multi-Turn
These 1/4 W (at 70¡C) trimmers are compatible with surface mount manufacturing processes using popular vacuum pick-
and-place equipment. Cross-slot rotor on Z style. Meets EIA/EIAJ/IPC/VRIC SMD standard trimmer designs.Tolerance:
±20%. Soldering Heat: 260¡C for 10 seconds or less. Operating Range: Ð55¡C to +125¡C. Rotational Cycling:
100 cycles. Mechanical Angle Rotation: 240¡. Electrical Adjustment Angle: 210¡ nominal. Weight: 0.01 oz.
Sealed, wirewound. Listed on DESC QPL for style RT22 per MIL-R-27208 and RTR22 per High-Rel MIL-R-39015.
/2" square. Power Rating: 0.75 W at 85¡C. High power dissipation in high temperature plastic case for operations up to
+150¡C. Humidity proof performance. Resistance Tolerance: ±5%. Dielectric Strength: 1000 VAC. Temperature Range:
Ð65¡C to 150¡C. Load Life: 1000 hrs. Solderable PC pin terminals. Commercial version 3250W available at higher price.
1
Stock
No.
Mfr.Õs
Type
SMD
Tabs
Qty.
Per Reel
EACH
754-07XX
754-08XX
754-09XX
3314G-1-
3314J-1-
3314Z-1-
Gull-Wing
J-Hook
Vertical Mount
500
500
500
1.00
1.00
1.10
EACH
StockMfr.Õs
No.
Resolution
Ohms
Type
Percent
1-9
10-24
25-49
50-99
100-249
754-0310
754-0315
754-0320
754-0325
754-0330
RT22C2W102
RT22C2W202
RT22C2W502
RT22C2W103
RT22C2W203
1K
2K
5K
10K
20K
0.36
0.26
0.20
0.16
0.14
9.09
7.18
7.73
8.50
8.50
7.74
6.54
7.04
7.74
7.74
7.21
6.09
6.56
7.21
7.21
6.80
5.75
6.19
6.80
6.80
6.45
5.45
5.87
6.45
6.45
Ohms
XX
Ohms
XX
Ohms
XX
1K
2K
5K
20
22
24
10K
20K
50K
26
28
30
100K
Ñ
Ñ
32
Ñ
Ñ
Model 3269
Multi Turn Sealed Cermet SMD Trimmer
1
/4" square surface mount trimming potentiometer that uses a stable, infinite resolution cermet
The 3269 series is a
element in a plastic case that is compatible with surface mount manufacturing processes. Resistance Tolerance: 10%.
Wattage: 1
/4. Rotational Life: 200 cycles. Uses adjustment tool H-90 or H-200, see page 620.
EACH
StockMfr.Õs
No.*
Type
1-9
10-24
25-49
50-99
100-249
754-04XX
754-07XX
754-09XX
3269P-
3269W-
3269X-
3.60
3.60
3.60
3.28
3.28
3.28
3.10
3.10
3.10
2.90
2.90
2.90
2.77
2.77
2.77
*Using OHM chart below, replace ÒXXÓ in Stock No. with numbers that correspond with desired OHM value.
Ohms
XX
Ohms
XX
Ohms
XX
Ohms
XX
100
200
500
01
02
03
1K
2K
5K
04
05
06
10K
20K
25K
07
08
09
50K
100K
Ñ
10
11
Ñ
628
b
ALLIED
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