TM/TR Catalog
9Pages

TM & TRUltra-Miniature Illuminated Pushbutton Switches RoHS Compliant Conductive Rubber Contact (TR type) Mettal Contact (TM type) ■Features- 1. Two Types of Contacts TR series: Conductive rubber contact for soft tactile feel. TM series: Metal contact for sharp tactile feel. 2. PC Board Mount Terminal pitch is in inches (multiples of 2.54 mm) for all models. The unique terminal shape prevents the terminal pins from coming loose from the PC board during dip soldering. 3. Enhanced Resistance to Soldering Heat Improved terminal structure protects the contacts from soldering heat. In addition, each pole has two terminals which can be used as a jumper wire. 4. Ultra-Miniature Switch with LED LED is built into miniature housing. 5. Wide Variety of Accessories A wide variety of accessories are available, including color buttons and mounting frames. 6. Compatible With Lead-Free Soldering (TM Series) Heat-resistant resin for lead-free soldering.

■Part Numbering- ■Operating Force vs. Stroke Characteristics Series code Contact plating Type of contact Structure LED luminance LED color-LED location ■Type of Contacts and Contact Plating Note : The contacts of TR series are all gold-plated. ■LED Location t^When color button is mounted.

TR (Conductive Rubber Contact) Terminal numbers are not shown on the switch. (ON) : Momentary LED color to be specified in ■ ■ : Refer to “Table of Part Numbers” on P.169 for a full list of part numbers

TM1 SPST Terminal numbers are not shown on the switch. Terminal numbers are not shown on the switch. TM3 SPST Switching function Circuit diagrams Connecting terminals LED circuit OFF (ON) Single LED Terminal numbers are not shown on the switch. Dual Color separate LED ★ : Made to order products. (ON) : Momentary LED color to be specified in ■ Refer to “Table of Part Numbers” on P.169 for a full list of part numbers.

※▲：The center of the switch   ■：The center of the button    Button ＋ Mounting Frame ＋ switch ○ When the switch is used only with the button and without the mounting frame, be sure to give designing consideration to guide the button with the mounting panel, considering rattling, etc. （Reference: Standard cutout size = Button size + 0.4 ~ 0.5 mm）

■Optional Accessories (Sold Separately) Part Name Dark gray Gray Light gray Ivory Silver Red Green Blue Brown Color Button Part Name Dark gray Gray Light gray Ivory Silver Red Green Blue Brown ■ Notes For Operating the Switch ••• Refer to P183 : Optional Accessories

TM TR ・ ■Optional Accessories Part Name 《Sold Separately》 Dark gray Light gray □7.5  Button type Mounting Frame □10  Button type Mounting Frame Dark gray Light gray Part Name

Current to be applied to the LED must be lower than the forward current (IF) indicated in the LED Specications of each switches. Resistance value R should be calculated using the formula on the right. Accessories mounting 1.Installing the mounting frame Install the mounting frame so that the tab on the frame is in the same direction as the slot on the switch. 2.Installing the button Install the button so that the recess on the button is in the same direction as the protruding portion on the switch. The mounting frame cannot be installed with the switch button installed. ■Ambient Conditions...

TM TR ・ ■Table of Part Numbers Series Contact plating       LED /Located Silver Plated Gold Plated Gold Plated Gold Plated Series Contact plating Gold Plated Contact plating Silver Plated Gold Plated