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| TOKEN DQS Power Adjustable Resistors Power Ribbon-Wire Adjustable Resistors Low-Cost and High-Precision Power Adjustment Resistors for High Energy Dissipation Preview Adjustable Ribbon-Wound Power Resistors have been a main product line at Token Electronics for years. Ribwound adjustable resistors are particularly useful where high energy is to be dissipated in the lower ohmic ranges and high power capacity. Precision winding design, provide uniform windings to be applied extremely close to each other resulting in significantly higher resistance values. In significant savings in space and cost, Adjustable DQS Series is ideal replacements for many standard round-wire resistors. Features : Resistance Tolerance: K(10%), J(5%), H(3%). Power-rib wirewound resistor with adjustable lug supplied. Suitable for high energy to be dissipated in the lower ohmic ranges. Design as heavy-duty resistors to withstand frequent start-stop cycles. Hollow core to permit secure fastening with spring-type clips or thru bolts with washers. Durability Flame resistant coating and all-welded construction. Terminals suitable for bolt connection or soldering. Power Rating : Based on 25C free air rating. The stated wattage rating applies only when the entire resistance is in the circuit. Setting the lug at an intermediate point reduces the wattage rating by approximately the same proportion. Example: If the lug is set at half resistance, the wattage is reduced by approximately one-half. Wattage is proportional to this adjusted resistance value. Adjustability is 10% to 90% of full resistance value. Options : Adjustable, fixed, or tapped styles are available. Special terminals available for non-standard applications. Single and double quick connect terminals can be specified. Standard lug terminals available with or without terminal hardware. Non-inductive Ayrton Perry windings can be specified. Special temperature coefficients, tolerances To Calculate Max. Amperes : Voltage = (Watts x Ohms) 1/2 The Power Adjustable DQS Resistor is RoHS compliant and lead free. For unusual technical requirements and custom special applications, please contact us. Version 2010 http://www.token.com.tw/ rfq token.com.tw 01 of 04 TOKEN (DQS) 75W ~ 2000W Dimensions DQS Power Adjustable Resistors M G E L H D F J I O K A C B Ribbon-Wire Adjustable Resistors (DQS) N - No mount Dimensions Watage Rating 75W 90W 120W 150W 180W 225W 240W 300W 375W 450W 600W 750W 900W 1000W 1200W 1500W 2000W Dimensions (mm) A 110 90 110 140 160 195 185 210 210 260 330 330 400 460 460 540 650 B 25 28 28 28 28 28 35 35 40 40 40 50 50 50 60 60 65 C 16 18 18 18 18 18 24 24 25 25 25 35 35 35 40 40 42 D 30 32 32 32 32 32 36 36 38 38 38 50 50 50 55 55 62 E 8 8 8 8 8 8 10 10 12 12 12 12 12 12 15 15 15 F 150 130 150 180 200 235 225 250 250 300 370 380 450 510 515 595 702 G 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 H 18 19 19 19 19 19 19 19 20 20 20 25 25 25 30 30 30 I 6 6 6 6 6 6 8 8 8 8 8 9 9 9 10 10 10 Ribbon-Wire Adjustable Resistors (DQS) G - Horizontal mount Dimensions Max. Resistance Range 0.1~8 0.1~9 0.1~12 0.1~15 0.1~18 0.1~23 0.1~24 0.3~30 0.3~38 0.3~45 0.3~60 0.3~75 0.3~90 0.5~100 0.5~120 0.5~150 0.5~200 J 166 146 166 196 216 251 245 274 274 320 395 400 470 530 535 615 722 K 58 60 60 60 60 60 76 76 78 78 78 100 100 100 110 110 115 L 1.2 1.2 1.2 1.2 1.2 1.2 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 1.6 M 6 6 6 6 6 6 6 6 6 6 6 8 8 8 10 10 10 O 27 27 27 27 27 27 34 34 34 34 34 40 40 40 50 50 50 02 of 04 http://www.token.com.tw/ rfq token.com.tw Version 2010 TOKEN Characteristics Test Item Resistance tolerance JIS-C-5202 5-1 DQS Power Adjustable Resistors Test Methods Characteristics Resistance Nominal Tolerance 1R 1>R 5%(J) 10%(K) 400PPM/C MAX R/R (0.5%+0.1) Surface temperature up 350C MAX Free of appearance or structural irregularity R/R (2%+0.1) 100M min Temperature coefficient JIS-C-5202 5-2 Load rating Short-term overload JIS-C-5202 5-4 JIS-C-5202 5-5 500% rated wattage 5 seconds Insulation resistance JIS-C-5202 5-6 500VDC JIS-C-5202 5-7 Dielectric withstanding Free of appearance or structural irregularity 1000VDC 1 minute Between voltage R/R (0.1%+0.05) terminal and anchor stand Terminal strength JIS-C-5202 6-1 8kg 30 seconds Free of appearance or structural irregularity JIS-C-5202 6-3; Free of appearance or structural irregularity Vibration 1.5m/m 10 ~ 50 ~ 10 Hz/min X-Y-Z Surface coating crack R/R (1%+0.05) 2 hours each JIS-C-5202 7-3 Free of structural irregularity Thermal shock Room temp 30 minutes ON-55C R/R (1%+0.05) 15 minutes OFF JIS-C-5202 7-5 Free of appearance or structural irregularity Humidity 40C 90%RH 240 hours Surface coating crack R/R (3%+0.1) JIS-C-5202 7-10 Free of appearance or structural irregularity Load life 90 minutes ON - 30 minutes OFF Surface coating crack R/R (5%+0.1) 500 hours JIS-C-5202 7-13-3-2 US UL-94 flame retardation test V-0 grade Flame retardation 100% - 600% rated wattage load noncombustible 1. Resistance and resistance tolerance were tested in-house with micro resistance meter. REMARKS: 2. Coating refers to UL-certified data provided by supplier Application Notes Determination of End Resistance Value of FVR, DQS, DSRA, DSRB, BSR, BSQ: Resistance Range means you can choose one maximum resistance value (End resistance value) at one of FVR, DQS, DSRA, DSRB, BSR, BSQ VR (Variable Resistor) type. After End Resistance Value confirmed, the minimum resistance (start resistance value) will be determined by depending on resistance of wire and wirewound type. Power Rating of Variable Resistor: Product type Rated Wattage - The part Nunber formation of FVR, DQS, DSRA, DSRB, BSR, BSQ: Resistance Value () - Resistance Tolerance Version 2010 http://www.token.com.tw/ rfq token.com.tw 03 of 04 TOKEN DQS Power Adjustable Resistors Product type means one of FVR, DQS, DSRA, DSRB, BSR, BSQ. Rated Wattage means power rating at End Resistance Value. Resistance Value () means maximum resistance value (End Resistance Value). Resistance Tolerance means precision range of End Resistance Value. 1. Power Rating of VR (Variable Resistor) is determined by the maximum resistance value (End Resistance Value). 2. Resistance and Power Rating should be decreased while you are adjusting the screw. Notes: Adjustability is 10% to 90% of full resistance value. Wattage is proportional to this adjusted resistance value. Based on 25C free air rating. The stated wattage rating applies only when the entire resistance is in the circuit. Setting the lug at an intermediate point reduces the wattage rating by approximately the same proportion. Example: If the lug is set at half resistance, the wattage is reduced by approximately one-half. Power Rating: If you need current constant type or special specifications, please feel free to cntact us. How to Order DQS 1500W 10R K G Part Number: DQS Rated Power (W): 75W~2000W Resistance Value (): Code 0R1 1R 10R 100R Code H J K Resistance Value Assembly Method Code N C G Z Assembly Method 0.1 1 10 100 Resistance Tolerance No mount. Clip mount. Horizontal mount. Vertical mount. Resistance Tolerance (%) 3% 5% 10% Back to 1st Page - Power Adjustable Resistors (DQS) 04 of 04 http://www.token.com.tw/ rfq token.com.tw Version 2010 |
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