Carbon Film Resistors Carbon Film Re sis tors Type: (0.5 W) ERDS1 (0.25 W) ERDS2 (0.25 W) ERD25 Features .................... Reliability High reliability by using carbon lm .... Automatic insertion Taping style for automatic inserting machines ...................... Marking 4 color code marking ........ Flame Retardant Using UL 94 V-0 approved coating for ame retardant type ... Reference Standard IEC 60115-2, JIS C 5201-2 Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 11 E R D S 1 T J 1 0 3 T Product Power Rating Special Feature and/or Resistance Resistance Value Suffix for Packaging and Code at 70 C Amb. Cut & Formed Style (Type) Tolerance /or Cut & Formed Leads The first two digits are Carbon significant figures of S1 0.5 W T Standard (Straight leads) J 5% Standard bulk Nil resistance and the third Film packing S2 0.25 W V, FV Radial formed (S1, 25) 0 Jumper one denotes number of Resistors Standard taped 25 0.25 W F Flame-retardant zeros following. box (26 mm axial T Decimal point expres- or Radial) sed by R as 4.7 = 4R7. Standard taped (*Nil for Jumper) V & box (52 mm axial) Lead formed P Flame retardant Construction Dimensions in mm (not to scale) HL H fD Primary coating Lead wire 1st significant figure. fd Spiralling 2nd significant figure. Multiplier Carbon film Tolerance Insulative (Metal film for 4.3 or less) coating See Page ER131 for color code indication Standard: Standard Quantity : 2000 pcs. Epoxy resin Mass Dimensions (mm) Type (Weight) Flame retardant Silicone resin L fD fdH mg/pc. (UL94V-0 ERDS1T +0.65 +0.50 0.05 approved) 6.350.35 2.30 0.30 0.60 20 min. 228 High thermal ERDS1F conductive ceramic core ERDS2T 0.20 +0.20 0.05 3.20 1.70 0.10 0.45 20 min. 107 ERDS2F ERD25T +0.65 +0.50 0.05 End cap Marking 6.350.35 2.30 0.30 0.60 20 min. 228 ERD25F Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Feb. 2006Carbon Film Resistors Ratings Limiting Maximum Resistance Power Element Maximum Dielectric Intermittent Standard Resistance Range Rating Voltage Overload Withstanding Type (2) Overload Resistance Tolerance ( ) at 70 C (Maximum Voltage (3) Voltage (1) Voltage Value (%) (W) RCWV) (V) (VAC) (V) min. max. (V) ERDS1T 500 3.3 M 0.5 300 600 750 E24 5(J) 1 ERDS1F 350 1 M (Flame Retardant) ERDS2T 300 2.2 M 0.25 250 500 750 E24 5(J) 1 ERDS2F 200 1 M (Flame Retardant) ERDS2T0 Jumper Rated Current : 2 A, Resistance : < 50 m ERD25T 500 3.3 M 0.25 300 600 750 E24 5(J) 1 ERD25F 350 1 M (Flame Retardant) ERD25T0 Jumper Rated Current : 2 A, Resistance : < 50 m (1) Rated Voltage= Power Rating Resistance Value or Limiting Element Voltage (max. RCWV), whichever is less. (RCWV: Rated Continuous working Voltage). (2) Overload (Short-time Overload) Test Voltage (SOTV) shall be determined from SOTV=2.5 Power Rating or max. Overload Voltage list ed above which ev er less. (3) Intermittent Overload Test Voltage (IOTV) shall be determined from IOTV=4 Power Rating (IOTV=3 Power Rating for ERDS2 type) or max. Intermittent Overload Voltage list ed above which ev er less. 120 Power Derating Curve 55 C 70 C For resistors operated in ambient temperatures above 100 70 C, power rating shall be derated in accordance 80 with the gure on the right. 60 40 20 155 C 0 60 40 20 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (C) Performance Speci cations Characteristics Speci cations Test Methods Temperature Resistance Value range coef cient 6 ERDS2 ERDS1, 25 10 /C (ppm/C) Resistance value at 4.3 or less 4.3 or less 350 room temperature T.C.R. 4.7 to 62 k 4.7 to 51 k 150 to 350 and room tem pera- 68 k to 200 k 56 k to 430 k 150 to 500 ture +100 C 220 k to 510 k 470 k to 910 k 150 to 700 560 k or over 1 M or over 150 to 1000 Design and speci cations are each subject to change without notice. Ask factory for the current technical speci cations before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. Feb. 2006 Rated Load (%)