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• TCE Matched, All Brazed Construction • RoHS Compliant • Customer Defined Testing Available RXXXX-400-1E Features: RXXXX-400-1E Parameters: RXXXX-400-1E Dimensions: • Enhanced Mechanical Strength • Covered Resistor Element • ±5% Resistor Tolerance Barry Industries ITAR Registered barryind.com 60 Walton St. Attleboro, MA 02703 • T (508) 226-3350 • F (508) 226-3317 • sales@barryind.com RXXXX-400-1E Power Derating Curve * Rating based on ≤100°C constant flange temperature Barry Industries reserves the right to change part number and/or process without notification. Rated Power: 400W* Max. Rated Voltage: 1000VDC Capacitance (Typical): 9.13pF at 1MHz Resistor Construction: Thick Film on BeO Attached with AuGe Braze Flange Construction: Copper Tungsten Lead Construction: Copper Attached with AuGe Braze Operating Temperature: -55 to +250°C R XXXX - 400 - 1E 400 - 400W Rated Power Ordering Information: Barry Industries maintains an ISO9001 Certified Quality Management System. ORIG.REV. No. DEC 20 2005 SEPT 11 2014 B Assigned by Factory Dimensions in inches [mm] Tolerance is ± 0.010 [0.254] unless otherwise stated Value Code ExamplesPrefix for Flanged Resistor PAGE 1 OF 2 Example Part Number: R50R0-400-1E .200 [5.08] Max. .125 [3.185] .165 [4.19] From Bottom Face of Lead (2X) R50R0- 400-1E .500 [12.70] .250 [6.35] Ø .170 [4.318] (2X) 1.10 [27.94] .800 [20.32] .150 [3.81] .500 [12.70] .250 [6.35] .005 [.127] Thick (2X) *.125 [3.18] Min. (2X) 400W BeO Flanged Resistor Meets MIL-STD-202 Method 109 Condition F3 Temperature Cycle RXXXX-400-1E 100 75 50 25 0 % of Rated Power Flange Temperature °C -55 -25 0 25 50 100 125 150 175 200 250 1R00 - 1Ω 10R0 - 10Ω 1000 - 100Ω 1001 - 1KΩ 1002 - 10KΩ 1003 - 100KΩ