RF25CCT52AR68K KOA | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 2
Technical content
ød Marking Flame Retardant Insulating Coating Electrode Cap Lead Wire L l C Resistive Film D Trimming Line Ceramic Core RF25CC coat-insulated fusing resistors (constant current fusing type)
features
- Fuse within 60 seconds in case of over-current
- Constant current fusing type
- Fuse at low magnification at 5 times or 10 times of power rating
- Flame-retardant coating equivalent to UL94 V-0
- Marking: Blue body color, fifth color band green for identification with color code marking
- Products meet EU RoHS requirements EU dimensions and construction applications and ratings
ordering information
Dimensions inches (mm) L C Max. D d (Nominal) l* RF25CC .248±.020 (6.3±0.5) .280 (7.1) .091±.012 (2.3±0.3) .024 (0.6) 1.18±.118 (30±3) * Lead length changes depending on taping and forming type. RF 25 Power Rating 25: 0.25W Product Code C Terminal Surface Material C:SnCu C Constant Current Fusing Type T52 Taping & Forming T26, T52, VTP, VTE, L10A, M10X A Packaging A: Ammo R: Reel R68 Nominal Resistance 3 digits K Resistance Tolerance K:±10% Power Rating Resistance Range(Ω) (E-24) Resistance Tolerance Fusing Characteristics Dielectric Withstanding Voltage Taping & Q’ty/AMMO (pcs) Fusing Time Rated Ambient Temperature: +70°C Operating Temperature Range: -40°C - +155°C Fusing Power T26A T52A Rated voltage = √Power Rating×Resistance value resistors Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 11/29/11 154 KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/30/10 155KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com RF25CC coat-insulated fusing resistors (constant current fusing type) Performance Characteristics environmental applications Fusing Characteristics Derating Curve 100 -40 -20 0 2 0 4 0 6 0 8 0 100 120 140 160 155 % Rated Power Ambient Temperature (°C) For resistors operated at an ambient temperature of 70°C or above, a power rating shall be derated in accordance with derating curve on the left. Performance Requirements Test Items ∆R± (% +0.05 Ω) Test Methods Limit Typical Resistance Within specified tolerance — 25°C Resistance to 5% 2.5% 350°C ± 10°C, 3.5s ± 0.5s or 260°C ± 5°C, 10s ± 1s Soldering Heat Humidity 5% 2.5% 40°C ± 2°C, 90% - 95%RH, 1000h No Load Endurance at 70°C 5% 2.5% 70°C±2°C, 1000h 1.5h ON/ 0.5h OFF cycle Resistance to Solvent No abnormality — The resistor shall be immersed in IPA for 30 sec. in appearance. Marking shall be easily legible. Flame retardant No evidence of flaming — Flame test: The test flame shall be applied and removed for or self-flaming. each 15 sec respectively to repeat the cycle 5 times. Overload flame retardant:Power corresponding to 2, 4, 8, 16 and 32 times the power rating shall be applied for each 1min. until dis-connection occurs. I-R Characteristics RF25CC 0.68ΩK Fusing time 100 1.0 1.3 1.5 2.0 Fusing Time (S) Current (A) Fusing current (A) 0.1 0.2 0.4 0.68 Resistance (Ω) MAX. 3s MAX. 60s RF25CC 0.68ΩK Fusing time 100 1.0 1.3 1.5 2.0 Fusing Time (S) Current (A) Fusing current (A) 0.1 0.2 0.4 0.68 Resistance (Ω) MAX. 3s MAX. 60s