CEMENT THERMAL FUSIBLE RESISTORS * Self extinguishing * Excellent flame and moisture resistance * Extremely small and mechanically safe * Provides outstanding feature against surges * Too low or too high ohmic values on Wire-wound & Power Film type can be supplied on a case to case basis Ordering Procedure: (Ex.: FTR-5G 2.8W, +/-5%, 1.5, 2A, B/B) P F 5 G Resistor Type: 2 8 J Wattage: PF2 = FTR2; PF3 = FTR3; PF5 = FTR5; PF7 = FTR7; PFA = FTR10 Fusing Temperature: A = 98C B = 104C C = 117C D = 125C E = 128C(10A) / 130C(2A) F = 144C G = 150C H = 152C I = 167C J = 184C K = 227C L = 229C 14=1.4W; 15=1.5W; 16=1.6W; 17=1.7W; 18=1.8W; 19=1.9W; 20=2.0W; 21=2.1W; 22=2.2W; 23=2.3W; 24=2.4W; 25=2.5W; 26=2.6W; 27=2.7W; 28=2.8W; 30=3.0W; 31=3.1W; 32=3.2W; 33=3.3W; 34=3.4W; 36=3.6W; 38=3.8W; 40=4.0W; 44=4.4W; 46=4.6W; 52=5.2W; W 1 5 B J 2 0 Resistance Value: E-24 series: st 1 digit denotes the type of the product : W=Wire wound type nd rd 2 & 3 digits are the significant figures of the resistance th 4 digit denotes number of zeros: "J" - 0.1, "K" - 0.01, "L"- 0.001 Ex. 47 ~ W47J Tolerance: J = 5% K = 10% Packing Type: B = Bulk / Box * More explanation on part no, please see details on pages 80-81. Packing Qty: 0 = for Bulk / Box packing Temperature coefficient Short-time overload Dielectric withstanding voltage Terminal strength Solderability < 20: 400PPM/C; 20: 350PPM/C R/R (5.0% + 0.05), with no evidence of mechanical damage. No evidence of mechanical damage. 2 = 2A 5 = 5A A = 10A Min. 95% coverage Temperature cycling R/R (2.0% + 0.05), with no evidence of mechanical damage. Humidity (Steady State) R/R (5.0% + 0.05), with no evidence of mechanical damage. Load life in humidity Current Rating: No evidence of flashover, mechanical damage, arcing or insulation breakdown. For Wire-wound range, the R/R is 5% 2006 - 2007 For Power film range, <100K, the R/R is 5% For Power film range, 100K, the R/R is 10% Load life For Wire-wound range, the R/R is 5% For Power film range, <100K, the R/R is 5% For Power film range, 100K, the R/R is 10% Resistance to soldering heat R/R (1.0% + 0.05), with no evidence of mechanical damage. * More details, please see pages 78-79. 2007 - 2008 Page 43 CEMENT THERMAL FUSIBLE RESISTORS Dimension (mm) Rated functioning Temp. Type Current Voltage Rating Rating Resistance Range (E-24 series) 5%, 10% C D E G 117C 125C 130C 150C 0.75 1.6W 1.9W 2.0W 2.0W 0.22~270 0.6 0.75 1.7W 2.0W 2.1W 2.3W 0.27~680 5 0.6 0.75 1.9W 2.3W 2.4W 2.8W 0.27~680 38.5 5 0.6 0.75 2.2W 2.7W 2.8W 3.2W 0.68~1.2K 35 7.5 0.6 0.75 2.6W 3.2W 3.3W 3.8W 1~1.8K W1 D1 L1 P1 d1 d2 0.05 FTR2 12 7 21 5 0.6 FTR3 12 8 26 5 FTR5 13 9 26 FTR7 13 9 FTR10 16 13 2A 250V Derating curve (Current Rating: 2A) Dimension (mm) Type W 1 D1 L1 FTR2 12 7 FTR3 12 FTR5 13 FTR7 FTR10 P1 d1 0.05 d2 0.05 21 5 1.0 0.75 8 26 5 1.0 0.75 9 26 5 1.0 0.75 13 9 38.5 5 1.0 0.75 16 13 35 7.5 1.0 0.75 Current Voltage Rating Rating 10A 250V Fusing Temperature Code Type A B C E F H I J K L Resistance Range (E-24 series) 5%, 10% 98C 104C 117C 128C 144C 152C 167C 184C 227C 229C FTR2 1.4W 1.6W 1.8W 2.0W 2.0W 2.0W 2.0W 2.0W 2.0W 2.0W 0.22 ~ 270 FTR3 1.5W 1.7W 1.9W 2.1W 2.2W 2.5W 2.8W 3.0W 3.0W 3.0W 0.27 ~ 680 FTR5 1.7W 1.9W 2.2W 2.4W 2.6W 3.1W 3.3W 3.8W 3.8W 3.8W 0.27 ~ 680 FTR7 2.0W 2.2W 2.5W 2.8W 3.0W 3.4W 3.8W 4.4W 4.4W 4.4W 0.68 ~ 1.2K FTR10 2.4W 2.6W 3.0W 3.3W 3.6W 4.0W 4.6W 5.2W 5.2W 5.2W 1 ~ 1.8K Derating curve ( Current Rating: 10A ) Page 44 2007 - 2008 CEMENT THERMAL FUSIBLE RESISTORS Derating Curve: Type Power Rating at 70C FWI Resistance W1 D1 L1 H5 Range 2W +0.02 d1 d2 0.05 -0.05 0.5 ~ 470 9 10 25 36 0.6 0.75 * More details, please see pages 78-79. Temperature coefficient 20 350PPM/C; <20 400PPM/C Max. Short-time overload R/R (5.0% + 0.05) Max., with no evidence of mechanical damage. Terminal strength No evidence of mechanical damage. Resistance to soldering heat R/R (1.0% + 0.05) Max., with no evidence of mechanical damage. Solderability Min. 95% coverage Load life in humidity R/R (5.0% + 0.05) Max., with no evidence of mechanical damage. Load life R/R (5.0% + 0.05) Max., with no evidence of mechanical damage. THERMAL FUSING POWER FILM FIXED RESISTORS Dimension (mm): Type L (Max.) W (Min.) W1 (Min.) H (Min.) Od1 0.02 Od2 0.02 TFRC 17 17 5 7.5 0.7 1.0 Type Power Rating at 70C Resistance Range T.C.R. (PPM/C) TF (C) Ir (A) Ur (V) TFRC 2W 360+360 350 91 10 250 *** other value can be supplied on a case to case basis. Remark : TF (C) = Rated Functioning Temperature Ir (A) = Rated Current Ur (V) = Rated Voltage 2007 - 2008 Derating curve Page 45