Effective October 2020 Technical Data 10250 Supersedes June 2017 TCP70 70 Vdc Telecom fuses HALOGEN Agency information HF Pb cURus Recognized Guide JDXY2, JDXY8, FREE File E19180 Part number system/ordering BK1/ TCP70- 5 -R BK1/ = 1000 fuses packed in a cardboard carton TCP70- = Fuse series 5 = Amp rating -R = RoHS compliant Applications Telecommunication DC voltage circuits Product features: Designed to UL 248 and UL 248-14 Halogen free, lead free, RoHS compliant Special design telecom circuit protection devices High inrush current withstanding capability reduces nuisance openings Fuseclip assembly method Rugged ceramic construction Excellent environmental integrity One time positive disconnect Economical solution with breaking characteristics similar to a circuit breakerTechnical Data 10250 TCP70 Effective October 2020 70 Vdc Telecom fuses Product specifications Voltage Current Interrupting Typical Cold Typical Typical Fuse Marking 2t Rating Rating Rating Resistance Voltage Drop Pre-Arcing I Color 1 2 2 3 Part Number (Vdc) (A) (A) (m) (mV) (A s) (text) Black TCP70-5-R 70 5 2500 34.5 235 50 TCP70-6-R 70 6 2500 20.1 165 48 Black TCP70-10-R 70 10 2500 10.5 148 165 Black TCP70-15-R 70 15 2500 6.3 138 460 Black TCP70-30-R 70 30 2500 2.05 84 4400 Black 1. DC Interrupting Rating (Measured at rated voltage, time constant of less than 50 microseconds, battery source). 2. DC Cold Resistance are measured at <10% of rated current in ambient temperature of +20 C. 2 2 3. Typical Pre-arcing I t (A s) are measured at 10I and rated current. n Electrical characteristics % of Amp Rating Opening Time 100% 4 hours minimum 150% <60 min 200% <2 min Environmental Data Operating temperature range: -55 C to +125 C (see derating curve) Altitude: <2000 m above sea level Humidity: 90% at +20 C, 50% at +40 C non-condensing Reliability Thermal shock test MIL-STD-202G Method 107 G air-to-air, 100 cycles Temperature cycling JESD22 Method A104, Condition B, 100 cycles Mechanical shock test MIL-STD-002 Method 213B, 50g Mechanical vibration test MIL-STD-202, Method 204D, condition D, 20 g, 10-500 Hz. Packaging 1000 fuses packed into a cardboard carton. Order with part number prefix BK1/. E.g., BK1/TCP70-5-R Recommended PCB fuseclips 1Axxxx Series for 6.3 mm (1/4) fuses - see data sheet 2131. Dimensions - mm Construction Not to scale 25.2 0.3 +0.2 6.3 5.6 0.3 - 0.0 1 2 3 4 5 1. Tin-plated copper cap 4. Filler 2. Ceramic tube 5. Eyelet 3. Fuse element wire 2 www.eaton.com/electronics