350282KFT TEC | Alldatasheet
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1773204-4 Rev. A 01/2019 Dimensions in millimetres unless otherwise specified Dimensions Shown for reference purposes only. Specifications subject to change For Email, phone or live chat, go to: www.te.com/help Key Features 2W@70°C in 2010 size package Suitable for auto placement Available from distribution Terminal finish matte sn over ni barrier Type 3502 Series TE Connectivity is pleased to introduce this thick film high power device, sister to our popular 3522 series, suitable for auto placement in volume and for most applications. Supplied as standard on 7 inch Reels of 2000 pieces per reel. Characteristics – Electrical Power Rating @ 70°C 2W Resistance Range 1Ω ~ 10MΩ Resistance Tolerance ±1%, ±5% Temperature Coefficient of Resistance (TCR) 1Ω~10Ω ≤± 200PPM/℃ 10.1Ω~10MΩ ≤± 100PPM/℃ Max. Working Voltage 200V Max. Overload Voltage 500V Dielectric Withstanding Voltage 500V Operating Temperature Range -55℃ ～ 155℃ Resistors shall have a rated direct-current (DC) continuous working voltage or an approximate sine-wave root-mean-square (RMS) alternating-current (AC) continuous working voltage at commercial line frequency and waveform corresponding to the power rating, as determined from the following formula : RCWV = √P x R Where the calculated RCWV is greater than the stated Max. Working Voltage, the Max. Working Voltage will apply.
1773204-4 Rev. A 01/2019 Dimensions in millimetres unless otherwise specified Dimensions Shown for reference purposes only. Specifications subject to change For Email, phone or live chat, go to: www.te.com/help Power Rating and Derating Resistors shall have a power rating based on continuous load operation at an ambient temperature of 70 ℃ . For temperature in excess of 70 ℃ , The load shall derate as shown in chart below. Construction and Dimensions: Type Dimensions (mm) L W H ℓ1 ℓ2
1773204-4 Rev. A 01/2019 Dimensions in millimetres unless otherwise specified Dimensions Shown for reference purposes only. Specifications subject to change For Email, phone or live chat, go to: www.te.com/help Performance Specification Characteristics Limits Test Methods ( JIS C 5201-1 ) Dielectric Withstanding Voltage No evidence of flashover, mechanical damage, arcing or insulation break down
4.7 Clamped in the trough of a
90℃ metallic v-block and shall be tested at ac potential respectively specified in the type for 60-70 seconds Temperature Coefficient 1Ω~10Ω ≤± 200PPM/℃ 10.1Ω~10MΩ ≤± 100PPM/℃
4.8 Natural resistance change per
temp. degree centigrade. R2-R1 x 106 (PPM/℃) R1(t2-t1) R1: Resistance value at room temperature (T1) R2: Resistance value at room temp. plus 100 ℃(T2) Test pattern: room temp. (T1), room temp. +100℃(T2) Short Time Overload Resistance change rate is:
4.13 Permanent resistance
change after the application of a potential of 2.5 times RCWV for 5 seconds Solderability 95 % coverage Min. Wave Solder: Test temperature of solder: 245°C ±3°C dipping time in solder : 2-3 seconds. Reflow Soldering heat Resistance change rate is:
4.18 Dip the resistor into a solder
bath having a temperature of 260°C±3°C and hold it for 10±1 seconds. Temperature Cycling Resistance change rate is:
4.19 Resistance change after
continuous 5 cycles for duty cycle specified below: Step Temp. Time 1 -55℃ ± 3℃ 30m 2 Room temp. 10~15m 3 +155℃ ± 2℃ 30m 4 Room temp. 10~15m Humidity Resistance change rate is:
4.24 Temporary resistance
change after 240 hours exposure in a humidity test chamber controlled at 40±2°C and 90-95% relative humidity
1773204-4 Rev. A 01/2019 Dimensions in millimetres unless otherwise specified Dimensions Shown for reference purposes only. Specifications subject to change For Email, phone or live chat, go to: www.te.com/help Performance Specification (Cont.) Characteristics Limits Test Methods ( JIS C 5201-1 ) Load life in humidity Resistance change rate is:
7.9 Resistance change after 1,000
hours (1.5 hours "on", 0.5 hour "off" ) at RCWV in a humidity chamber controlled at 40℃ ± 2℃ and 90 to 95 % relative humidity Load Life Resistance change rate is:
4.25.1 Permanent resistance
change after 1,000 hours operating at RCWV, with duty cycle of (1.5 hours "on", 0.5 hour "off") at 70℃ ± 2℃ ambient Terminal bending Resistance change rate is:
4.33 Twist of Test Board:
Y/X = 3/90 mm for 60 seconds Marking A. 4 digit marking for E-96 series: *The first 3 digits are significant figures of resistance and the 4th digit denoted number of zeros. Ex. 1273 127KΩ *For ohmic values below 100 Ω, letter "R" is for decimal point. Ex. 49R9 49.9Ω B. 3 digit marking for E-24 series: *The first 2 digits are significant figures of resistance and the 3rd digit denoted number of zeros Ex. 124 120KΩ *For ohmic values below 10 Ω, letter "R" is for decimal point Ex. 4R7 4.7Ω Soldering PCB Plan (mm) 4 layers PCB specification: 1) Outside 2 layers (Top and Bottom) with copper foil thickness at 2oz. 2) Inside 2 layers (Middle layers) with copper foil thickness at 4 oz.
1773204-4 Rev. A 01/2019 Dimensions in millimetres unless otherwise specified Dimensions Shown for reference purposes only. Specifications subject to change For Email, phone or live chat, go to: www.te.com/help Soldering Reflow solder profile Packaging Tape and Reel (mm) ±0.1 T ± 0.1 Peeling Strength of Top Cover Tape Test Condition: 0.1 to 0.7 N at a peel-off speed of 300 mm / min.
1773204-4 Rev. A 01/2019 Dimensions in millimetres unless otherwise specified Dimensions Shown for reference purposes only. Specifications subject to change For Email, phone or live chat, go to: www.te.com/help Reel Dimensions Qty Reel A±0.5 B±0.5 C±0.5 D±1 M±2 W±1 Environment Related Substance This product complies to EU RoHS directive, EU PAHs directive, EU PFOS directive and Halogen free. Storage Condition The performance of these products, including the solderability, is guaranteed for a year from the date of arrival at your company, provided that they remain packed as they were when delivered and stored at a temperature of 25°C ± 10°C and a relative humidity of 60%RH ± 10%RH, chemical and dust free atmosphere. Even within the above guarantee periods, do not store these products in the following conditions: 1. In salty air or in air with a high concentration of corrosive gas, such as Cl2, H2S, NH3, SO2, or NO2 2. In direct sunlight How To Order 3502 1R0 F T Common Part Resistance Value Tolerance Pack Style 3502 – 2W 2010 Resistor 1Ω - 1R0 100Ω - 100R 1KΩ - 1K0 F – 1% J – 5% T- 2000 per reel