Hollow Shaft Type Devices 45mm LED Illuminated Potentiometer RK45B/RK45C Series This LED illuminated potentiometer is most suitable for knob design of various set devices. Typical Specifications Hollow Shaft Type Devices Items NEW Specifications Contact resistance %20% RK45B : 180%5° （270 deg. max.） RK45C : 220%5° （290 deg. max.） RK45B :55%20 mN･m、40%16 mN･m RK45C :40%16 mN･m Total Rotational angle Detent torque Operating life 30,000cycles Operating temperature range -40℃ to +85℃ Product Line Total resistance Resistanc e taper Number of positions Rotation al angle Detent torque （mN・m） 8 LED Minimum order unit（pcs.） RK45B1A00001 55%20 200 180$ 1 RED B 5kΩ Drawing No. Product No. 17 RK45B1A00002 40%16 2 RK45C1A00003 400 220$ Notes 1. Products other than those listed in the above chart are also available. Please contact us for details. 2. We can also provide LED colors other than the above mentioned. Contact us if you have such requirements. Dimensions No. Unit:mm Photo PC board mounting hole dimensions （Viewd from mounting face） Style RK45B (with LED) Mounting surface 24 3.2 1.2 3.7 19.7 2.5 46.4 2-1.8 9.5 35 5 5 V4 5 5 1.2 V2 2.5 22.2 V1 . Potentiometer Type 23 20｡ 2-V2.6 2-3.15 23 2.2 1.2 24 V29.6 3 1 N 3 CA K1 2 6V1 .2 12.5 17.5 22.5 3.5 21.5 Encoder Type ho les 32 464 2 RK45C (with chip LED) Hollow Shaft Type Devices List of Varieties Potentiometer Type 39mm size Series RK39A 45mm size RK45A RK45B RK45C Hollow Shaft Type Devices Photo Output Potentiometer Shaft types Hollow shaft Operating direction Vertical Outline specifications Number of pulse/ Number of detent LED illuminate W 39 44.5 45 39 D 40 45 45.5 40 H 8.5 9 9.5 8.5 Dimensions mm Push switch （Travel mm） Optional functions Changeover angle ︵ ︶ Without LED illuminate Soldering Manual soldering Dip soldering 350℃ max. 3s max. 260℃ max. 5s max. 260%5℃, 5s max. Reflow soldering Operating temperature range 260%5℃, 5s max. Encoder Type –40℃ to ＋85℃ Electrical performance Potentiometer Type Output wave Insulation resistance 10MΩ min. 50V DC Voltage proof 50V AC for 1minute Detent torque 40%16mN･m Shall be in accordance with individual specifications. Mechanical performance Terminal strength Pushing Actuator direction strength Pulling direction 40%16mN･m 3N for 10s. 100N 50N Environmental performance Vibration 10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of X, Y and Z for 2 hours respectively Cold –40±3℃ for 240h Dry heat 85±3℃ for 240h Damp heat 40±2℃, 90 to 95％RH for 240h Page 463 460 464 ● Hollow Shaft Type Device Cautions ……………………………………………………………………………465, 466, 467 Note F The operating temperature range for automotive applications can be raised upon request. Please contact us for requirements of this kind. 449