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SM-3/31 Series Surface Mount Cermet Trimmers

Nidec Copal Electronics' SM-3/31 series 3 mm cermet trimmers are available in 11 turn and 5 turn models

Image of Nidec Copal Electronics' SM-3/31 Series Surface Mount Cermet TrimmersNidec Copal Electronics' SM-3/31 series is a 3 mm square, multi-turn SMD, sealed trimmer. The device can be ordered with J-hook terminations in the popular top adjust model, or with gull-wing or J-hook terminations in side adjust models. The SM-31 has 5 adjustment turns, while the SM-3 trimmer has 11 adjustment turns for applications where adjustment accuracy is critical. Both models feature precious metal alloy contacts for reliability and precision setting. Materials used meet the UL94V-0 flammability standard and the SM-3/31 series is RoHS-compliant.

Nidec Copal Electronics' SM-3/31 3 mm trimmers are ideal in applications where board space is limited. Typical applications for this product include medical test and monitoring equipment, RF amplifiers, portable industrial test equipment, telecommunications products, surveillance systems, and power supplies.

Features
  • RoHS-compliant
  • Fine adjustment capability
  • Automatic mounting is possible (taping)
  • Reflow soldering is possible
  • Sealed construction (washable)
Specifications
  • Resistance range: 50 Ω to 2 MΩ
  • Resistance tolerance: ±20%
  • Contact resistance: 3% or 3 Ω, whichever is greater
  • Effective electrical turns: 11 turns (SM-3) or 5 turns (SM-31)
  • Operating temperature range: -65°C to 150°C
  • Dielectric strength: 600 VAC, 1 (min.)
  • Temperature coefficient: ±100 ppm/°C

SM31 Series

ImageManufacturer Part NumberDescriptionResistanceAvailable Quantity
TRIMMER 10KOHM 0.125W J LEAD TOPSM-31TW103TRIMMER 10KOHM 0.125W J LEAD TOP10 kOhms2938 - ImmediateView Details
TRIMMER 5K OHM 0.125W J LEAD TOPSM-31TW502TRIMMER 5K OHM 0.125W J LEAD TOP5 kOhms1289 - ImmediateView Details
TRIMMER 100K OHM 0.125W J LEADSM-31TW104TRIMMER 100K OHM 0.125W J LEAD100 kOhms837 - ImmediateView Details
TRIMMER 50KOHM 0.125W J LEAD TOPSM-31TW503TRIMMER 50KOHM 0.125W J LEAD TOP50 kOhms571 - ImmediateView Details
TRIMMER 500OHM 0.125W J LEAD TOPSM-31TW501TRIMMER 500OHM 0.125W J LEAD TOP500 Ohms641 - ImmediateView Details

SM3 Series

ImageManufacturer Part NumberDescriptionResistanceAvailable Quantity
TRIMMER 5K OHM 0.125W J LEAD TOPSM-3TW502TRIMMER 5K OHM 0.125W J LEAD TOP5 kOhms9803 - ImmediateView Details
TRIMMER 10KOHM 0.125W J LEAD TOPSM-3TW103TRIMMER 10KOHM 0.125W J LEAD TOP10 kOhms5534 - ImmediateView Details
TRIMMER 50KOHM 0.125W J LEAD TOPSM-3TW503TRIMMER 50KOHM 0.125W J LEAD TOP50 kOhms5370 - ImmediateView Details
TRIMMER 100K OHM 0.125W J LEADSM-3TW104TRIMMER 100K OHM 0.125W J LEAD100 kOhms3185 - ImmediateView Details
TRIMMER 20KOHM 0.125W J LEAD TOPSM-3TW203TRIMMER 20KOHM 0.125W J LEAD TOP20 kOhms2470 - ImmediateView Details
Published: 2013-07-02