# 3339 Trimpot® Trimming Potentiometer

## Features

· Four-Turn / Cermet / Industrial / Sealed
· Planetary drive for precise wiper setting
· Top and side adjust styles
· RoHS compliant versions available
· Adjustment Tool: H-90
· Standard packaging: 50 pcs. per tube

## Electrical Characteristics

· Resistance Range: 10 to 1 megohm
· Resistance Tolerance: ±10% std.
· Absolute Minimum Resistance: 1% or 2 ohms max.
· Contact Resistance Variation: 3% or 3 ohms max.
· Adjustability: ±0.05% voltage, ±0.1% resistance, infinite resolution.
· Insulation Resistance: 500vdc, 1,000 megohms min.
· Dielectric Strength: 600 vac (sea level), 250 vac (80,000 feet).
· Effective Travel: 4 turns nominal

## Environmental Characteristics

· Power Rating: 0.5 watt @ 85°C
· Temperature Range: -55°C to +150°C
· Temperature Coefficient: ±100 ppm/°C
· Vibration: 30 G
· Shock: 100 G
· Load Life: 1,000 hours @ 85°C
· Rotational Life: 200 cycles

## Physical Characteristics

· Torque: 3 oz-in. max.
· Mechanical Stops: Wiper idles
· Terminals: Solderable pins
· Weight: 0.02 oz.
· Wiper: 50% (Actual TR) ±10%
· Flammability: U.L.94V-0

## Ordering Information

· Model: 3339 (followed by style indicator)
· Style: H, P, S, or W (each denoting different dimensions)
· Product Indicator: -1 (standard)
· Resistance Code: (see standard resistance table)
· Terminations: LF (100% Tin-plated), Blank (90% Tin/10% Lead-plated)

## Standard Resistance Table (Examples)

Resistance (Ohms)	Resistance Code
10	100
20	200
50	500
100	101
200	201
500	501
1,000	102
2,000	202
5,000	502
10,000	103

## Dimensions (Examples – variations based on style)

· 3339H (Top Adjust): 6.35 (.250), 7.62 (.300), .51 (.020)
· 3339S (Side Adjust): 5.97 (.235), 8.00 ± .38 (.315 ± .015), 9.53 ± .38 (375 ± .015)
· 3339W: 8.00 ± .38 (.315 ± .015), 8.13 ± .38 (.320 ± .015), 8.13 ± .38 (.320 ± .015)