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76PRB04T Datasheet(PDF) 2 Page - Grayhill, Inc |
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76PRB04T Datasheet(HTML) 2 Page - Grayhill, Inc |
2 / 2 page Ratings 76 78 90B Mechanical Life: Operations per switch position 2,000 2,000 2,000 Make-and-break Current Rating: Operations per switch position at these resistive loads 1 mA, 5 Vdc; 50 mA, 30 Vdc; or 150 mA, 30 Vdc: 2,000 2,000 — 10 mA, 30 Vdc; or 10 mA, 50 mVdc: — — 2,000 10 mA, 50 mVdc; or 25 mA, 24 Vdc; or 100 mA, 6 Vdc: — — 2,000 Contact Resistance: Initially: ≤ 30 mΩ ≤ 30 mΩ ≤ 20 mΩ After life, at 10 mA, 50 mVdc, open circuit: ≤ 100 mΩ ≤ 100 mΩ ≤ 100 mΩ Insulation Resistance: Minimum, at 100 Vdc between adjacent closed contacts and also across open switch contacts Initially (Mohms): 5,000 5,000 5,000 After life (Mohms): 1,000 1,000 1,000 Dielectric Strength: Minimum voltage (AC, RMS) measured between adjacent closed contacts and also across open switch contacts. lnitially: 750 V 750 V 500 V After life: 500 V 500 V 500 V Current Carry Rating: Maximum rise of 20°C 5 A 4 A 3 A Switch Capacitance: At 1 megahertz 2 pF 2 pF 2 pF Operating Temperature Range: -40°C to + 85°C -40°C to + 85°C -40°C to + 85°C Storage Temperature Range: -55°C to + 85°C -55°C to + 85°C -55°C to + 85°C SpeCIFICATIOnS: Standard Styles Mechanical Ratings Vibration Resistance: per Method 204, Test Condition B, 1 mS opening (10 mS allowed) Mechanical Shock: per Method 213, Test Condition A. 1 mS opening (10 mS allowed) Thermal Shock Resistance: per specification; no failures; passes contact resistance. Terminal Strength: per specification Thermal Aging: 1,000 hours at 85°C;no failures. Environmental Ratings Meets all requirements of MIL- S-83504.** Where Grayhill performance is superior, the MIL spec is listed in parentheses. Moisture Resistance: per MIL-STD-202, Method 106. Soldering Information Series 90 MIDIp and Series 76 recessed rocker (76RSB style) sealed switches have been tested to eIA Standard RS-448-2.Similar performance can be expected from other sealed Series 76 and 78 DIp switches. Solderability: per MIL-STD-202, Method 208 Resistance to Soldering Heat: 76RSB: passes eIA Standard using two, four, and six second soldering time. 90: per MIL-S-83504, six second test. Fluxing: per eIA RS-448-2 with flux touching switch body. Cleaning: 76, 78 and 90 series tape sealed products: passes immersion test using water/ detergent. Acceptable solutions include 1-1-1 trichlorethane, freon, (TF,Te, orTMS), isopropyl alcohol, detergent (140°F maximum). Terpene acceptable for Series 90 only.Solutions which are not recommended include acetone, methylene chloride, freon TMC. Materials and Finishes Shorting Member (Ball): Brass, gold-plated over nickel barrier. Base Contacts: Copper alloy, gold-plated over nickel barrier. Terminals: Copper alloy, matte tin plated over nickel barrier. Non-Conductive Parts: Thermoplastic (UL94V-O) Potting Material: epoxy, 76,78 only. Protective Cover: 76,78, only-polycarbonate. Tape Seal: 76, 78: polyester film 90: polyimide film Tape Seal Integrity: passes gross leak test using 125°C flourinert for 20 seconds minimum. Reference MIL-STD-202, Method 112. Reflow Soldering profile: (260°C peak Temperature) Recommended Soldering Conditions: WAVe SOLDeRInG: 260°C maximum solder temperature for 5 seconds max. ** note: 100% matte tin terminal plating does not meet MIL-S-83504 for lead content. DIp 14 Thru-Hole DIP Switches Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com |
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