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anti sulfuration chip networks (convex termination) resistors Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1/05/13 72 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com applications and ratings
ordering information
features
- Excellent anti-sulfuration characteristic due to using high sulfuration-proof inner top electrode material
- More advancement in the mounting density than individual chip resistors
- Mounting cost reduction by decreasing the number of parts mounting times
- Easy soldering fillet inspection
- Suitable for an image recognition mounter due to square corner design
- Marking: Black body color
- Products with lead-free termination meet EU RoHS requirements. EU RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. Outer Electrode Protective Coating Resistive Film Inner Electrode Ceramic Substrate t W a L p b d C Please note that network resistors generate higher heat rather than single flat chip resistor even under rated power output. Rated voltage = Power Rating × Resistance value or Max. working voltage, whichever is lower.
4 RT 103 JCN
K Terminal Convex K: Convex type with squared corners Termination Material RT: Sn Tolerance J: ±5% Nominal Resistance 3 digits TD Packaging TD: Paper Part Desigation Power Rating w/ Element Resistance Range J: ±5 E24 T.C.R. (×10−6/K) Max. Working Voltage Max. Overload Voltage Rated Ambient Temperature Operating Temperature Range Taping & Q'ty/Reel (pcs) TD CN1E2KRT 0.063 3~1M ±200: R≥10Ω ±400: R<10Ω 25V 50V +70°C −55°C~+125°C 10,000 CN1E4KRT EU * Referential values. Type Dimensions inches (mm) L W c d t a a2 b P* CN1E2KRT (0402x2) .039±.004 (1.0±0.1) .039±.004 (1.0±0.1) .006±.004 (0.15±0.1) .010±.004 (0.25±0.1) .014±.004 (0.35±0.1) .013±.004 (0.17±0.05) .026 (0.67) CN1E4KRT (0402x4) .079±.004 (2.0±0.1) .039±.004 (1.0±0.1) .006±.004 (0.15±0.1) .010±.008 (0.25±0.2) .014±.004 (0.35±0.1) .012±.006 (0.3±0.15) .016±.006 (0.4±0.15) .006 ±.004 (0.15±0.1) .020 (0.5) dimensions and construction
anti sulfuration chip networks (convex termination) resistors Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/17/12 73KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com Circuit Construction 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 Performance Characteristics Circuit Board Application Derating Curve 100 -55 70 125 -60 -40 -20 02 04 06 08 0 100 120 140 % Rated Power Ambient Temperature (°C) 7DD *$ *$ 7DD *$ *$ Parameters Performance Requirements ∆ R±% Test MethodsLimit Typical Resistance Within specified tolerance — 25°C Overload (Short time) 2 0.25 Rated voltage × 2.5 for 5s Resistance to Soldering Heat 1 0.75 260°C±5°C, 10s±1s Rapid Change of Temperature 1 0.5 −55°C (30min.)/+125°C (30min.) 5 cycles Moisture Resistance 5 1 40°C ±2°C, 90%~95%RH, 1000h 1.5h ON/0.5h OFF cycle Endurance at 70°C 5 0.5 70°C±2°C, 1000h 1.5h ON/0.5h OFF cycle High Temperature Exposure 1 0.15 +125°C, 1000h R1=R2 R1=R2=R3 =R4 CN1E2KRT CN1E4KRT environmental applications For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with the above derating curve.