Specifications Per IEC 605- B L D Features MELF packaging yet capable of high power handling Special conductive film enhances anti-surge capability Absorbs harmful surge which damages precious devices or components Approved to the safety requirements of VDE0860 under license number 4004396 SMD-enabled alternative to carbon composition resistors Products meet RoHS requirements and do not contain substances of very high concern identified by European Chemicals Agency Dimensions Body Length ( L, mm ) Body Diameter ( D, mm ) Soldering Spot ( B, mm ) Net Weight Per 00 pcs 204 3.52 ± 0.08.35 ± 0. 0.6 Min. 7 grams 204T 3.52 ± 0.08.35 ± 0. 0.6 Min. 7 grams 207 5.90 ± 0.20 2.20 ± 0..0 Min. 66 grams 207P 5.90 ± 0.20 2.20 ± 0..0 Min. 66 grams 5.90 ± 0.20 2.20 ± 0..0 Min. 66 grams T 5.90 ± 0.20 2.20 ± 0..0 Min. 66 grams 20 8.50 ±.00 3.00 ± 0.2.3 Min. 86 grams 30.5 ±.00 4.00 ± 0.5.6 Min. 446 grams General Specifications Power Rating ( at 70 C ) Maximum Working Voltage Maximum Permissible Surge Voltage Minimum Maximum Tolerance Available Values 204 /4W 400V 2,000V Ω MΩ ±%~±5% E-24/E-96 204T /2W 450V 4,000V Ω KΩ ±%~±5% E-24/E-96 207 /2W 600V 6,000V Ω 2M2Ω ±%~±5% E-24/E-96 207P /2W 600V 8,000 V 0.Ω 2M2Ω ±%~±5% E-24/E-96 W 600V 8,000 V 0.Ω 2M2Ω ±%~±5% E-24/E-96 T W 600V,000 V 0.Ω 2M2Ω ±%~±5% E-24/E-96 20 2W 700V 9,000V 0.Ω 2M2Ω ±%~±5% E-24/E-96 30 3W 800V,000V 0.Ω 2M2Ω ±%~±5% E-24/E-96 Special sizes, values, and specifications not listed available on special order. For resistance values outside the specified ranges, please contact us. 59 www.firstohm.com.tw Revision: 30-SEP-204 Publication: 30-SEP-204
PART NUMBER Example: 204TF6R2TKZTR3K0 204T F Tolerance* F (%) J (5%) 6R2 6.2Ω 4-character code containing - 3 significant digits letter multiplier MULTIPLIER R = K = 3 M = 6 G = 9 TKZ TCR 3-character code TKZ = Default Product Temperature Coefficient. Information of typical product temperature coefficient can be found in the Technical Summary section of the datasheet.** TR3K0 Packaging 5-character code TR = Tape Reel (pieces per reel) 204/204T 3K0 = 3,000 6K0 = 6,000*** K =,000*** 207/207P /T 2K0 = 2,000 6K0 = 6,000*** K =,000*** 20 2K5 = 2,500 30 2K0 = 2,000 * Listed values may not be applicable across product types or to all resistance values. Please check with us before placing order. ** For the availabilities of non-default temperature coefficient, please check with us. Reference for TCR letter codes can be found in section (4) of Part Number Construction in the Appendices. *** upon request Power Derating curve RATED LOAD Technical Summary Characteristics AMBIENT TEMPERATURE ( o C) Ranges & Limits Dielectric Withstanding Voltage, VAC or DC 204T 204/207/207P/ 20/T 30 300 350 500 800 Temperature Coefficient, PPM / C* ±0, ±200, ±400 Operating Temperature Range, C -55 ~ +50 Insulation, MΩ > 4 Tin Whisker (JESD20 Temperature Cycling & High Temp. /Humidity Storage), μm <5 * Not applicable to all resistance values. Please check with us regarding the PPM of specific resistance value(s). Revision: 30-SEP-204 Publication: 30-SEP-204 www.firstohm.com.tw 60
Performance Specifications Test Characteristics Test Conditions Limits Short Time Overload Load Life In Humidity Load Life,000 hours Periodic Electric Overload IEC 605-4.3 5 seconds 2.5x rated voltage (not over max. working voltage) IEC 605-4.24 56 days rated load (not over max. working voltage) at (40±2) C and (93±3)% relative humidity IEC 605-4.25. Rated load (not over max. working voltage) with.5 hours ON, 0.5 hours OFF, at (70±2) C IEC 605-4.39 3.9x rated voltage (not over 2X max. working voltage) with 0.s ON, 2.5s OFF for,000 cycles ±2% ±5% ±5% ±% To Soldering Heat IEC 605-4.8.2 Dip the resistor into a solder bath measured (260±5) C and hold it for a ± seconds ±% Solderability IEC 605-4.7.2 Solder area covered after (235±3) C/(2±0.2) seconds with flux applied 95% Min. Vibration IEC 6005-4.22 Six hours in each parallel and axial direction with a simple harmonic motion having an amplitude of 0.75mm and to 500 Hz. ±% Thermal Endurance IEC 605-4.25.3 00 hours at 50 C without load ±% Thermal Shock IEC 605-4.9-55 C 30minutes, +50 C 30minutes, 5 cycles ±2% Single pulse high voltage overload IEC 605-4.27 pulses of /700µs at x rated voltage (not over 2X max. working voltage) with interval of 60 sec. ±.0% Electrostatic discharge (Human body model) IEC 605-4.38 3 positive & 3 negative discharges with 4KV source ±% Climatic test IEC 605-4.23 4.23.2 - dry heat: 6 hours 50 C 4.23.3 - damp heat: 24 hours 55 C with 95% relative humidity 4.23.4 - cold: 2 hours -55 C 4.23.5 - negative air pressure: 2 hour 8.5KPa at (25±) C 4.23.6 - damp heat cyclic: 5 days 55 C with 95% relative humidity 4.23.7 - DC load: rated voltage at -55 C and 50 C each Min. ±2% Bending test IEC 605-4.33 Pressing depth 2mm, 3 times ±% Flammability IEC 605-4.35 Needle flame test s No burning after 30s Surge Test Surge voltage = (6000 x P x R) DC P is power rating, R is resistance value, surge voltage is not more than listed at right Surge spec =.2/50µs Period = 2 sec Number of surges = 50 204 2KV 204T 4KV 207 6KV /207P 8KV 20 9KV 30/T KV ±5% 6 www.firstohm.com.tw Revision: 30-SEP-204 Publication: 30-SEP-204
SURGE PERFORMANCE 0 204 0 204T 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 00 207 000 207P 00 0 0 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 00 000 T 00 0 0 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s Revision: 30-SEP-204 Publication: 30-SEP-204 www.firstohm.com.tw 62
SURGE PERFORMANCE 00 20 000 30 0 00 0 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 0.0000s 0.000s 0.00s 0.0s 0.s s μs 0 μs ms ms 0ms s 63 www.firstohm.com.tw Revision: 30-SEP-204 Publication: 30-SEP-204
Suggested Pad Layout 204 204T 207/207P /T 20 30 Soldering Mode Pad Length (L, mm, Min.) Pad Spacing (P, mm) Pad Width (W, mm, Min.) Reflow.0 2.0 ± 0.2.6 Wave.2 2.0 ± 0.2.6 Reflow.0 2.0 ± 0.2.6 Wave.2 2.0 ± 0.2.6 Reflow 2.0 3.0 ± 0.3 3.0 Wave 2.5 3.0 ± 0.3 3.0 Reflow 2.0 3.0 ± 0.3 3.0 Wave 2.5 3.0 ± 0.3 3.0 Reflow 3.0 4.9 ± 0.3 3.7 Wave 3.5 4.8 ± 0.3 4.0 Reflow 4.0 6.2 ± 0.4 4.5 Wave 4.5 6.0 ± 0.4 5.0 For better heat dissipation / lower heat resistance, increase W & L. Cover tape peeling specification Recommended peeling force: 204, 204T, 207, 207P,, T: 50±5gf 20, 30: 70±gf Revision: 30-SEP-204 Publication: 30-SEP-204 www.firstohm.com.tw 64