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| Model 4H/4M Vishay Spectrol 4mm Surface Mount Cermet Trimmers FEATURES 4H Open Frame * The 4H Series Terminations have Excellent Solder Wetability as well as High Solder Leaching Resistance with its Nickel Barrier Layer Construction * Excellent Solder Heat Resistance Achieved with Nickel Barrier Structure of Terminals * Also Available in Other Styles: 3 Terminals in Line, Rear Adjust, 2 Terminal, Auto Adjust. Details Upon Application 4M Sealed * Miniature, Superthin (4.7 x 4.0 x 2.0mm) * Suitable For Flow and Reflow Soldering * High Reliability * Sealed to Withstand Immersion Cleaning Process * No Cleaning Process is Necessary after Soldering ELECTRICAL SPECIFICATIONS PARAMETER Resistance Range Resistance Tolerance Power Rating Maximum Working Voltage Effective Rotational Angle 4H 100 - 2M 25% 0.1W @ 70C 50VDC 270C 10 4M 200 - 2M 25% 0.1W @ 70C 50VDC 240C 10 MECHANICAL SPECIFICATIONS PARAMETER Operating Temperature Range Rotational Torque - 55C to + 125C 2.0 - 24.5mNm (20 - 250g/cm) ORDERING INFORMATION (Supplied on tape and reel: 500 Pieces per reel) 4H MODEL 4H, 4M Example: 4H - XXX XXX RESISTANCE VALUE EIA Code www.vishay.com 12 For technical questions, contact sfer@vishay.com Document Number: 57012 Revision 16-Jul-03 Model 4H/4M 4mm Surface Mount Cermet Trimmers DIMENSIONS (millimeters) 4H 1.5 0.7 1.7 0.6 Vishay Spectrol 4M 0.6 0.1 0.35 0.1 Deep Solderable Area 3.8 2.3 0.2 2 O 1.4 O 3.7 2.0 0.2 0.7 1.7 0.6 4.0 2 3.8 O 1.5 O 1.4 0.9 1.5 0.8 2.7 0.1 4.5 0.3 max 2.2 0.3 max 0.75 1 2 1 3 Wiper Position 1 3 0.75 0.85 1.8 0.85 0.8 1.8 0.8 3 0.55 0.1 0.35 0.1 Deep Unless otherwise specified: 0.3 PCB LAYOUT 1.7 PCB LAYOUT 1.7 1.6 1.4 1.1 1.1 1.1 1.6 1.1 TAPE SPEC 1.75 0.1 + 0.1 2.0 0.1 4.0 0.1 O 1.5 - 0 *t 0.1 0.3 1.2 3.0 TAPE SPEC 1.75 0.1 + 0.1 O 1.5- 0 2.0 0.14.0 0.1 O 8.0 0.1 2.15 0.1 0.3 0.1 A 8.0 0.1 A 2.0 1.4 3.2 6.4 3.0 4.3 Direction of Feed Xt = 1.6 4H A Packaging Unit: 500pcs/reel UNLESS OTHERWISE SPECIFIED 0.3 A-A Cross Section 4.8 (4.5) A Direction of feed A-A cross section Packaging Unit: - 500 pcs/reel (o 180mm) SOLDERING CONDITIONS SOLDERING CONDITIONS Reflow Solder 4H Flow Solder 4M Soldering Gradual Cooling (in air) Pre - Heating (in air) Soldering Gradual Cooling (in air) Temperature (C) Pre - Heating (in air) 230 200 Temperature (C) 250 200 100 100 0 0 60 ~ 120 sec 30 sec. max (Solder melting range) 60 ~ 120 sec For Reflow Solder see 4H 5 sec. max Document Number: 57012 Revision 16-Jul-03 For technical questions, contact sfer@vishay.com 5.5 0.1 12.0 0.3 5.5 0.1 12.0 0.3 (5.5) www.vishay.com 13 (2.4) 2.4 4.7 Model 4H/4M Vishay Spectrol 4mm Surface Mount Cermet Trimmers ENVIRONMENTAL SPECIFICATIONS PARAMETER Humidity Exposure Load Life High Temperature Exposure Humidity Load Life Temperature Cycle Temperature Coefficient of Resistance Rotational Life Hand Soldering Tip Temperature Tip Diameter Soldering Iron Soldering Time Caution Care should be taken with amount of solder, too little may lower PCB adhesion strength, whilst too much may cause solder bridge between terminations. Be careful of inflow of solder to the rear staking portion of centre axis. 4H series are not suitable for flow soldering because of open frame construction. 4H series has no mechanical stop. Rotate wiper within specified range. Cleaning Conditions At a temperature of 25 10C immersion cleaning within minutes. Ultrasonic cleaning should be completed within 1 minute. When combining ultrasonic cleaning and immersion washing, set the total time within 2 minutes. 4H 3% 3% 3% 3% 3% 250ppm/C 10% (20 Cycle) 4M 3% 3% - - 3% 250ppm/C 10% 4H and 4M The following conditions must be strictly obeyed when using a soldering iron 260 maximum o 3mm maximum 30W maximum 3 sec maximum 260 maximum - 30W maximum 3 sec maximum RESISTANCE VALUES Ohms 4H 4M 100R, 200R, 500R,1K, 2K, 5K, 10K, 20K, 50K, 100K, 200K, 500K, 1M, 2M 200R, 500R, 1K, 2K, 5K, 10K, 20K, 50K, 100K, 200K, 500K, 1M, 2M MARKING Unit Identification IEC resistance value coding. www.vishay.com 14 For technical questions, contact sfer@vishay.com Document Number: 57012 Revision 16-Jul-03 |
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