OUTLINE Cermet trimmer potentiometers
OUTLINE Each basic configuration has the following features. SURFACE MOUNT TYPE SINGLE TURN TYPE RECTANGULAR MULTITURN TYPE SQUARE MULTITURN TYPE
APPLICATIONS Communications equipment Exchangers Facsimile Assorted wireless equipment MUX Broadcasting equipment Video cameras for professional use Color monitors VTR equipment Power supply equipment Switching power supplies DC electrical power source equipment Assorted power supply circuits Sensor devices Photo electric sensors Pressure sensors Encoders Magnetic sensors Computer and peripherals Laser beam printers Memory equipment Computer displays EMS boards CAD, WS Medical equipment X-ray diagnosis equipment Ultrasonic diagnosis equipment Computed tomography Hematology analyzers Infusion instruments Telemetering systems
PACKAGING BULK PACKAGING SPECIFICATIONS IN PLASTIC BAGS & BOXES <Series of cermet trimmers in common> Series name ST-2 ST-32 ST-4/42 ST-5 ST-7 SM-3/3 SM-42/43 RJ-4 CT-6 FT-63 RJ-6 RJ-3 TM-7 RJ-5 CT-2 CT-94 CT-9 RJ-9 Product shape A EA, EB EG, EH EA, EB, EC, ED, EF EG, EH EW, EX, EP, ER EA, EB A, B, W A, B, W, X EW EWS EP, EW, EV, ER ES, EX, EH, EN EF EP, EV ES, EH, EX, EN P, W S, X F P B PR S SR EP, EW ES, EX EW, EX, EP EP, EX EPB EP EW, EX, EY, EZ EP EW, EX P, W, X Maximum Q ty/bag 25 25 Maximum Q ty/small packing box 2 2 2 2 2 2 2 2 2 Small packing box Dimensions 676 676 676 676 676 676 676 676 676 64555 676 676 676 676 676 676 676 676 Gross weight Approx.34.4 Approx.38 Approx.68 Approx.72 Approx.3 Approx.89 Approx.67 Approx.3 Approx.47 Approx.66 Approx.85 Approx.2 Approx.48 Approx.7 Approx.57 Approx.72 Approx.33 Approx.76 Approx.6 Approx.22 Approx.294 Approx.23 Approx.44 Approx.55 Approx.8 Approx.55 Approx.9 Approx.22 Approx.2 Approx.7 Approx. Approx.7 Approx. Approx.99 2 Tolerance
PACKAGING Part No. label Plastic bag Part No. label T y p e Small packing box Products S p e c Quantity H W D LOT No Date code MADE IN XXX 2D barcode PACKAGING SPECIFICATIONS FOR TAPING TYPE (PLASTIC REEL) <Series of cermet trimmers in common> Series name ST-2 ST-32 ST-4/42 ST-5 ST-7 SM-3/3 SM-42/43 TA ETA, ETB, ETD ETG, ETH ETA, ETB, ETD ETG, ETH ETP, ETR ETW, ETX ETA, ETB TA, TB, TW TW TX TA, TB Product shape Note) Material of reel : Plastic (Polystyrene) Q ty/reel 2 2 Maximum Q ty/reel box 2 2 2 Reel box Dimensions 853685 856985 26226 856985 26226 262426 33524335 262426 856985 854688 853685 Gross weight Approx.79 Approx.42 Approx.277 Approx.563 Approx.378 Approx.477 Approx.68 Approx.429 Approx.527 Approx.544.4 Approx.544.4 Approx.344 Tolerance ST-2, ST-32ETA, ST-32ETB, ST-4/42ETA,ST-4ETB, SM-3/3, SM-42/43 reel box D W Part No. label ST-32ETG, ST-32ETH, ST-4/42ETG, ST-4/42ETH, ST-5ETP/ETR/ETW/ETX, ST-7ETA/ETB reel box D Reel box Part No. label Reel H H W
PACKAGING Part No. label T y p e S p e c Quantity LOT No Date code MADE IN XXX 2D barcode PACKAGING SPECIFICATIONS FOR MAGAZINE TYPE <Series of cermet trimmers in common> Series name ST-5 CT-6 Product shape EMW, EMX, EMP, EMR EMP EMS Q ty/stick Maximum Q ty/magazine box Magazine box Dimensions 2 385557 75 3 65545 Gross weight Approx.57 Approx.498 Approx.58 5 Tolerance Part No. label T y p e S p e c H Quantity W D LOT No Date code MADE IN XXX 2D barcode
MARKING The model that this marking method is applicable : <Series of cermet trimmers in common> Marking Production date code & Lead-free Identification mark (Right and left position will be reversed every two years) Resistance code Resistance code Nominal resistance values Code Nominal resistance values Code k 4 2 2 2 k 24 5 3 k 34 2 k 54 2 22 k 5 3 32 2 k 25 52 k 55 k 3 M 6 2 k 23 2 M 26 3 k 33 5 k 53 2 2 In principle, two digits are used. The first digit represents significant digit of ohm unit while the second digit represents a number of zeros following the significant figure. Stamping position Month Production date code Year Upper right Upper left Upper right 999 2 2 22 23 24 25 26 27 28 29 2 A N A N 2 B P B P 3 C Q C Q 4 D R D R 5 E S E S 6 F T F T 7 G U G U 8 H V H V 9 J W J W K X K X L Y L Y 2 M Z M Z 25 A 48 4 In principle, Alphabet capitals per the table are used, commencing with January of a 25 as A in order. The same arrangement will be repeated after 48 months or 4 years.
MARKING Example Lead-free Identification mark <Series of cermet trimmers in common> The models that this marking method is applicable : Resistance code + 9 F Production date code Note Resistance code Production date code Nominal resistance values Code Nominal resistance values Code Year Code 2 Month Code A k 3 2 2 2 k 23 25 k 253 k 3 k 4 2 2 2 k 24 2 k 254 k 4 k 2 M 5 2 k 22 2 M 25 22 2 23 3 24 4 25 5 26 6 27 7 28 8 29 9 22 22 2 B 3 C 4 D 5 E 6 F 7 G 8 H 9 J Y L 5 k 2 5 M 5 3 2 3 In principle, 3 digits are used. The first and second digits represent significant figures of ohm unit while the last digit represents a number of zeros following the significant figures. 2 M 2 Date code, in principle, consists of one digit and one capital letter. Per the above table, the digit represents the year, while the capital letter does the month. Marking of ST-2 series Resistance code 3 D Production date code
HANDLING NOTES 2 3 CW rotation <Series of cermet trimmers in common>. Notes for storage 2. Sealed construction 3. Terminal layout
HANDLING NOTES <Series of cermet trimmers in common> 4. Power rating % Power rating 55 +7 +85 +2 +25 + C Ambient temperature RJ-5, ST-5 SM-3/3 SM-4, SM-42/43 ST-2, ST-32, CT-94 ST-4, 7, FT-63 Voltage regulator V 3 V2 Current regulator 2 3 2 Power rating ratio Wiper position [Fig.] [Fig.2] [Fig.3] Reflow soldering 5. Soldering conditions ) SMD type in common Infrared reflow soldering Recommended profile for lead-free soldering Temperature (C) 2 2 8 C C Peak : 245 ~ 2 C Over 23 C Pre Heating Zone 9 3 s 2 s ~ 5s Heater Belt Heating time Soldering Zone Reflow : two times maximum
HANDLING NOTES <Series of cermet trimmers in common> Flow soldering Flow soldering Recommended profile for lead-free soldering Tp Preheating 2~3 min 8~ C Dip Cooling Solder flow Time td Tp26 C (peak temperature) td3~5 s (dip time) Manual soldering Flux 2) Through hole type in common 3) Multiturn adjustment models in common
HANDLING NOTES 7HS PINE ALPHA ST-S <Series of cermet trimmers in common> 6. Cleaning 7. Cleaning solvents CLEAN THROUGH 7HS PINE ALPHA ST-S Water cleaning Alcohol 8. Cleaning method Cleaning method PossibleNot possible Method Dipping Ultrasonic Vapor Showering Brushing Applicability Time Note Approx. 2 minute Marking ink will be removed
HANDLING NOTES <Series of cermet trimmers in common> 9. Combination of cleaning methods The above can change depending on conditions, and thus check before actual cleaning.. Coating and potting. Tamper proof seal Tamper proof seal (CT-6) Single turn (TM-7) Multi turn
HANDLING NOTES <Series of cermet trimmers in common> 2. Circuit board hole diameter <Reference values> Please note the above hole diameters are reference values. 3. Screwdriver to use No good No good Good L W Single turn Multiturn ST-2 ST-32 ST-42 ST-4 RJ-4 CT-6 FT-63 RJ-6 RJ-3 SM-3/3 SM-42/43 ST-7 ST-5 RJ-5 TM-7 CT-94 CT-9 RJ-9 CT-2 Adjustment slot dimensions Unit : mm (W L D).35.5.3.5.9.45.6 2.3.5.6 2.5.8.6 2.6.6.7 3..6.5 2.6.8.7 5...4.3.3.56 φ.5.5.5.8.5.6 φ.6.8.6 φ 2.5.7.6 φ 2.3.8.6 φ 2.5.8 Adjustment driver tip thickness (Reference values) Unit : mm Tip (W) Tip thickness (L) Grooves.3 ~.35.4 screwdriver.2 ~.4.5 ~.7, + screwdriver.6 ~ 2., + screwdriver.3 ~.5 screwdriver.8 ~ 2.3.4 ~.5.3 ~.4.5.2 ~.3.2 ~.4.3 ~.4.3 ~.5 2.6 ~ 2.9.8 ~ 2.3 4..9 ~.2.2 ~.4.6 ~.9.3 ~.6.8 ~ 2.3.6 ~ 2..8 ~ 2.3, + screwdriver screwdriver Recommended screwdrivers C B The driver shave off the head about.2 mm.
HANDLING NOTES 4. Electrical adjustment range 5. Strength of terminals 6. Mechanical loading 7. Caution for the use of high frequency circuit "HANDLING NOTES" is the one to prevent the accident and the performance deterioration beforehand. Please make consideration of it.
ENVIRONMENTAL CHARACTERISTICS CT-6 <Cermet trimmer: CT-6 series>. Resistance temperature characteristics Specifications Ω 2 kω MΩ Temperature( C)
ENVIRONMENTAL CHARACTERISTICS CT-6 <Cermet trimmer: CT-6 series> 2. Rotational life life Ω 2 Specifications RES. SHIFT (%) RES. SHIFT (%) 2 2 2 2 kω 3. High temperature exposure RES. SHIFT (%) MΩ 2 2 2 Specifications % % %.5 2 kω..5.5..5 3. 2... 2. 3. 4. 3. 2.. RC R3/R3 R2/R3 S.S. R23/R3 25 2 Time (h) 25 C 2 C 25 C
ENVIRONMENTAL CHARACTERISTICS ST-4 <Cermet trimmer: ST-4 series>. Thermal shock 25 +3 5 C 25 + 5 C cycle 65 5 C 3 min Less than 5 min 3 min Less than 5 min Change in total resistance valuespecification: R/R 2 % Ω 2 kω MΩ N = N = N = R/R (%) R/R (%) R/R (%) Setting stabilityspecification: S.S. % Ω 2 kω MΩ N = N = N = S.S.(%) S.S.(%) S.S.(%)
ENVIRONMENTAL CHARACTERISTICS ST-4 <Cermet trimmer: ST-4 series> 2. Soldering heat resistance Change in total resistance valuespecification: R/R % Ω 2 kω MΩ N = N = N = R/R (%) 3. Load life % 2... 2. 4. 2. 2 k R/R (%) R/R (%) R3/R3 R2/R3 S.S. R23/R3 Specificaitons % % 2. 4. 3. 2.. RC 2 Time (h)
GLOSSARY (CERMET TRIMMERS) Overlap Rotational life test Stop strength Operating torque Mechanical angle Clutch action
GLOSSARY (CERMET TRIMMERS) Nominal resistance value Shear (Adhesion) SMD SMD sample Pressure Maximum input voltage Maximum wiper current Cermet End resistance
GLOSSARY (CERMET TRIMMERS) Contact resistance (Rc) + R3 # #3 R2 Rc R23 #2 Contact resistance variation (CRV) a. Measuring circuit b. Measuring point B Power supply # RT #2 #3 Filter ~ khz A CRV measured waveform C Plotter X - Y CRV waveform DC peak value (%) AC component peak (part guaranteed by COPAL) Peak value (%) DC component average value Contact resistance
GLOSSARY (CERMET TRIMMERS) Setting stability <Voltage setting stability> <Resistance setting stability> Δ Δ E #3 #2 # V # #3 #2 Fig. Fig.2 Insulation resistance Total resistance
GLOSSARY (CERMET TRIMMERS) Substrate bending SMD SMD sample Bend 45mm 45mm 3mm Dielectric strength Power rating Power rating ratio (%) () Power derating curve (Typical) ( C) Ambient temperature 7 95 2
GLOSSARY (CERMET TRIMMERS) Resistance temperature characteristic TCR (ppm/ C) Wirewound( kω) Cermet( kω) ( C) Temperature ± ±
GLOSSARY (CERMET TRIMMERS) B COPAL's cermet trimmers have B characteristic. Resistance code Resistance law Output voltage ratio between terminal and 2 (%) 9 8 7 6 4 3 2 B 2 3 4 6 7 8 9 Terminal Rotational angle (%) (CW) Terminal 3 Fig. A D Output voltage ratio between terminal 2 and 3 9 8 7 6 4 3 2 C 9 8 7 6 4 3 2 Terminal Rotational angle (%) (CCW) Fig.2 Terminal 3 Trimmer potentiometers Soldering heat
GLOSSARY (CERMET TRIMMERS) Solderability Test condition SMD SMD sample Pull-off strength Pressure Resolution Effective electrical angle (Effective electrical turn) CW, CCW EIAJ STD JIS SMD (Surface Mount Device)