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 NumberDescriptionPart StatusAvailable Quantity
TRIMMER 100K OHM 0.125W J LEADSM-31TW104TRIMMER 100K OHM 0.125W J LEADActive1196 - ImmediateView Details
TRIMMER 1K OHM 0.125W J LEAD TOPSM-31TW102TRIMMER 1K OHM 0.125W J LEAD TOPActive1111 - ImmediateView Details
TRIMMER 5K OHM 0.125W J LEAD TOPSM-31TW502TRIMMER 5K OHM 0.125W J LEAD TOPActive689 - ImmediateView Details
TRIMMER 500OHM 0.125W J LEAD TOPSM-31TW501TRIMMER 500OHM 0.125W J LEAD TOPActive868 - ImmediateView Details
TRIMMER 10KOHM 0.125W J LEAD TOPSM-31TW103TRIMMER 10KOHM 0.125W J LEAD TOPActive425 - ImmediateView Details

SM3 Series

ImageManufacturer Part NumberDescriptionPart StatusAvailable Quantity
TRIMMER 1K OHM 0.125W J LEAD TOPSM-3TW102TRIMMER 1K OHM 0.125W J LEAD TOPActive11012 - ImmediateView Details
TRIMMER 5K OHM 0.125W J LEAD TOPSM-3TW502TRIMMER 5K OHM 0.125W J LEAD TOPActive6929 - ImmediateView Details
TRIMMER 10KOHM 0.125W J LEAD TOPSM-3TW103TRIMMER 10KOHM 0.125W J LEAD TOPActive5433 - ImmediateView Details
TRIMMER 100K OHM 0.125W J LEADSM-3TW104TRIMMER 100K OHM 0.125W J LEADActive5604 - ImmediateView Details
TRIMMER 20KOHM 0.125W J LEAD TOPSM-3TW203TRIMMER 20KOHM 0.125W J LEAD TOPActive4360 - ImmediateView Details
Published: 2013-07-02