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Grayhill 25LB18Q Economical Encoder

The Grayhill 25LB18-Q is a price-competitive, economical rotary encoder suitable for a wide range of industrial applications. Its robust construction and multiple code options provide flexibility in system design. With a life expectancy of 100,000 cycles and a compact size, this encoder is ideal for applications requiring reliable position feedback. Manufactured to ISO 9001 standards, the 25LB18-Q ensures consistent quality and performance. Customization options are available for specific needs, including termination, torque, and angles of throw.

Authorized Distributors
Source:Newark
Part No:25LB18-Q
Stock:19
Inv Date:06-04-2026
Price: Unit price: $35.96
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Source:DigiKey
Part No:25LB18-Q
Stock:0
Inv Date:06-04-2026
Price: Unit price: $33.6
Buy/RFQ:
Source:DigiKey
Part No:25LB18-Q
Stock:19
Inv Date:06-04-2026
Price: Unit price: $33.59
Buy/RFQ:
Part No:25LB18-Q
Stock:12
Inv Date:06-05-2026
Price: Unit price: $34.28
Buy/RFQ:
Part No:25LB18-Q
Stock:0
Inv Date:06-04-2026
Price: Unit price: $33.25
Buy/RFQ:
Part No:25LB18-Q
Stock:19
Inv Date:06-04-2026
Price: Unit price: $25.86
Buy/RFQ:
Part No:25LB18-Q
Stock:19
Inv Date:06-04-2026
Price: Unit price: $25.86
Buy/RFQ:

Grayhill 25LB18Q Economical Encoder Specifications:

  • Switching Loads: 1.5 mA at 115 Vac, resistive; 150 mA at 14 Vdc, resistive
  • Current Carrying Capacity: 250 mA maximum at 28 Vdc, resistive load
  • Contact Resistance: 75 m Ω , typical
  • Insulation Resistance: 1000 m Ω minimum between terminals
  • Voltage Breakdown: 1000 Vac minimum between terminals
  • Life Expectancy: 100,000 cycles of operation
  • Rotational Torque: 2 to 6 in-oz
  • Operating Temperature Range: -40 C° to +85 C°
  • Storage Temperature Range: -65 C° to +85 C°
  • Continuous Rotation: All standard switches are continuous rotation
  • Anti-Rotation Device: Integral non-turn tab, flatted bushing, .375" diameter, .320 double “D” across flats
  • Termination: Standard is PC style, parallel to shaft, facing rear
  • Panel Mounting Torque: 10 in-lbs maximum
  • Bushing/Housing and Shaft/Rotor: Reinforced thermoplastic
  • Detent Ball: Stainless steel, nickel-plated
  • Detent Spring: Tinned music wire
  • Contacts: Beryllium copper, gold plate over nickel
  • Terminals: Copper alloy, #725, 100% tin plate over nickel plate
  • Output Board: FR-4, copper/nickel-plated
  • Mounting Nut: Brass, tin/zinc-plated hex nut
  • Mounting Bracket: Stainless Steel, tin-plated
  • Angle of Throw: 10° (36 positions), 11.25° (32 positions), 15° (24 positions), 18° (20 positions), 22.5° (16 positions), 30° (12 positions), 45° (8 positions)

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Frequently Asked Questions

Where can I buy Grayhill 25LB18Q?

You can click on the BUY or RFQ button to purchase 25LB18Q from an authorized Grayhill distributor.

How do I troubleshoot issues or seek technical support for part 25LB18Q?

You can download the 25LB18Q datasheet or visit the Grayhill website for support.

Who is the manufacturer of 25LB18Q?

Grayhill

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