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1 DOC NO: SYS-ENG-101 PAGE: 3 of SCOPE 1.1 This specification applies to the general requirements for carbon film fixed resistor Type The type of resistor designates the power rating. TYPE POWER NORMAL MINIATURE RATING CF1/ W CF 1/4 CF1/4SS ¼ w CF1/2 CF1/2SS ½ w CF1 CF1SS 1 w CF2 CF2SS 2 w CF3-3 w 2.2 Table 1 PERFORMANCE CHARACTERISTICS RATING CF1/6 CF1/4 CF1/4SS CF1/2 CF1/2SS Power Rating at 70 C 0.167W 0.25W 0.25W 0.5W 0.5W Resistance Range ± 2% 1Ω - 1M 1Ω - 1M 1Ω - 1M 1Ω - 1M 1Ω - 1M ± 5% 1Ω - 10MΩ 1Ω - 10MΩ 1Ω - 10MΩ 1Ω - 10MΩ 1Ω - 10MΩ Operating Temperature Range Zero Deratng at M.C.W.V. 250v 250v 250v 350v 350v Max. Overload Voltage 400v 500v 500v 700v 700v RATING CF1 CF1SS CF2 CF2SS CF3 Power Rating at 70 C 1W 1W 2W 2W 3W Resistance Range ± 2% 1Ω - 1M 1Ω - 1M 10Ω - 1M 10Ω - 1M 10Ω - 1M ± 5% 1Ω - 10MΩ 1Ω - 10MΩ 1Ω - 10MΩ 1Ω - 10MΩ 1Ω - 10MΩ Operating Temperature Range Zero Deratng at M.C.W.V. 500v 500v 500v 500v 500v Max. Overload Voltage 1000v 1000v 1000v 1000v 1000v

2 DOC NO: SYS-ENG-101 PAGE: 4 of Ordering Code CF XXXXX XXX X X X TYPE CF: Carbon Film SIZE 1/6 1/4 1/4SS 1/2 1/2SS 1 1SS 2 2SS 3 RESISTANCE E24 series 2.2 Ω: 2R2 100 Ω: 101 1M Ω : 105 RESISTANCE TOLERANCE G = ±2% J = ±5% PACKAGING TYPE A = Ammo (52mm) S = Spool (52mm) M = Ammo (26mm) N = Ammo (73mm) Q = Spool (73mm) QUANTITY 05 = 500 pcs 1 = 1000 pcs 2 = 2000 pcs 3 = 3000 pcs 5 = 5000 pcs 2.4 Power Rating The resistor power rating are based on continuous operation at full rated voltage at maximum ambient temperature of 70 C. Operation at above 70 C shall cause the resistor power to be derated as shown in the derating curve (Fig.1). Fig. 1 Derating Curve

3 DOC NO: SYS-ENG-101 PAGE: 5 of Rated Voltage The rated voltage is the D.C. or A.C. continuous working voltage at commercial line frequency corresponding to the power rating and shall be obtained form the following formula. If the rated voltage exceeds the maximum continuous working voltage (M.C.W.V.) in Table 1,then the maximum working voltage shall be regarded as the rated voltage. E = PR Where E = Rated Voltage (V) P = Rated Power (W) R = Nominal Resistance Value (Ohm) 2.6 Nominal Resistance The DC nominal resistance shall be within the specified values shown in Table 1 and significant figures shall be based on the value of E24 series (Table 2). Table 2 STANDARD RESISTANCE DECADE VALUE

4 DOC NO: SYS-ENG-101 PAGE: 6 of Materials COMPONENTS MATERIAL REMARKS Base Mullite Ceramic Ceramic Bar Resistor Carbon Film Vacuum Treated Terminals Caps 1) Cap surface treatment Tin Plating Terminal Leads ; JIS C-3102 soft copper wires 2) Terminal lead surface is Tin Plated 3) Cap-terminal connection is Electric Welding Body Coating Special Epoxy Resin Coating Colour : Beige exclude CF1/2SS Coating Colour : Pink for CF1/2SS 2.8 CONSTRUCTION AND MATERIALS Ceramic Rod 2. Resistive Film 3. Copper-Base Tin Plated Iron Cap 4. Spiralling Grooves 5. Tin Plated Copper Wire 6. Phenolic Resin 7. Epoxy Paint 8. Colour Code Ink

5 DOC NO: SYS-ENG-101 PAGE: 7 of ELECTRICAL, MECHANICAL AND CLIMATIC CHARACTERISTICS CHARACTERISTICS S TESTING CONDITIONS Temperature Coefficient < 10Ω ±300ppm 10Ω - 50KΩ 0 ~ -350ppm At 125 ± 3 C for 45 minutes >50KΩ - 430KΩ 0 ~ -500ppm R - R >430KΩ - 1MΩ 0 ~ -800ppm... x... x >1MΩ - 4.7MΩ 0 ~ -1600ppm R 0 t - t 0 >4.7MΩ - 10MΩ 0~ -2000ppm Di-electric ± (0.50% Ω) Voltage apply by Type Insulation Resistance 10G Ω Min. Apply DC 500v for 1 min. Short Time Overload Voltage ±(0.5% Ω) Apply a 2.5 times rated voltage for 5 secs. Intermittent Overload ±(0.75% Ω) Apply a 2.5 times rated voltage for 1 sec. ON and 25 sec. OFF ±200 cycles Humidity ±( 1% Ω) 40 ± 2 C at 90-95% Relative humidity for 1000 hours Load Life < 100KΩ, ± 2% Max. At 70 C for 1000 hours 100KΩ, ± 3% Max. Temperature Cycling (5 cycles) ± (1.0% Ω) 5 cycles Resistance to Soldering Heat ± (0.5% Ω) Temp : 260 ± 5 C at 10 ± 1 secs. Solderability 95% Coverage Min. Temp : 230 ± 5 C for 5 ± 0.5 secs. Vibration (Low Frequency) R ± (0.5% Ω) 6 Hrs in 3 Directions (10 Hz to 55 Hz) 1K -20 db 0.1µv/v > 1K - 10K -15 db 0.2 µv/v > 10K - 100K -10 db 0.3 µv/v Noise > 100K - 910K -5 db 0.6 µv/v Formula: Vn = T - f(t - S) - D > 1M - 2.2M +5 db 2 µv/v > 2.2M - 5.1M +10dB 3 µv/v > 5.1M - 33M +25dB 20 µv/v Terminal Strength R ±(0.5% Ω) Apply 2.3kg Pull for 30secs NOTE: Test Methods are based on JIS C5202

6 DOC NO: SYS-ENG-101 PAGE: 8 of Pulse Load Diagram

7 DOC NO: SYS-ENG-101 PAGE: 9 of DIMENSION L I φd φd Type Watt L mm D mm I mm d mm CF 1/ W 3.40± ± ± ± 0.05 CF1/4 0.25W 6.30 ± ± ± ± 0.05 CF1/4SS 0.25W 3.40 ± ± ± ± 0.05 CF1/2 0.5W 9.00 ± ± ± ± 0.05 CF1/2SS 0.5W 6.30± ± ± ± 0.05 CF1 (52mm Taping) 1W 11.00± ± ± ± 0.05 CF1 (73mm Taping) 1W 11.00± ± ± ± 0.05 CF1SS 1W 9.00 ± ± ± ± 0.05 CF2 2W 15.50± ± ± ± 0.05 CF2SS (52mm Taping) 2W 11.00± ± ± ± 0.05 CF2SS (73mm Taping) 2W 11.00± ± ± ± 0.05 CF3 3W 15.00± ± ± ± 0.05

8 DOC NO: SYS-ENG-101 PAGE: 10 of COLOR CODE 4 COLOUR BAND CARBON FILM RESISTOR COLOUR 1 ST BAND 2 ND BAND MULTIPLIER TOLERANCE BLACK 0 0 1Ω - BROWN Ω - RED Ω ±2% ORANGE 3 3 1KΩ - YELLOW KΩ - GREEN KΩ - BLUE 6 6 1MΩ - VIOLET MΩ - GREY WHITE GOLD ±5% SILVER

9 DOC NO: SYS-ENG-101 PAGE: 11 of TAPING T Y P X L1 L2 W A Dimensions 26mm Taping 52mm Taping 73mm Taping Taping Width (Outside) A 38.0 ± ± ± 1.5 Taping Width (Inside) W 26.0 ± ± ± 1.5 Taping Width T 6.0 ± ± ± 0.5 Pitch Distance P 5.0 ± ± ± 0.5 Body Centering L1-L2 1.0 max 1.0 max 1.5 max Body Deviation Y 0.5 max 0.5 max 0.5 max Lead Bend X 1.0 max 1.0 max 1.0 max

10 DOC NO: SYS-ENG-101 PAGE: 12 of PACKAGING Spool (Tape In Reel) Ammo (Tape In Box) A L B H C W AMMO PACK (TAPE IN BOX) TYPE NO. OF 26MM TAPING 52MM TAPING 73MM TAPING UNITS Normal Miniature L W H L W H L W H CF1/6 CF1/4SS CF1/4 CF1/2SS CF1/2 CF1SS CF1 CF2SS CF CF3 UNIT: mm

11 DOC NO: SYS-ENG-101 PAGE: 13 of 13 SPOOL (TAPE IN REEL) Normal CF1/6 CF1/4 TYPE Miniature CF1/4SS CF1/2SS NO. OF UNITS 52MM TAPING 73MM TAPING A B C A B C CF1/2 CF1SS CF1 CF2SS 1000/ CF2-1000/ CF UNIT: mm