25121WF120JT4E Royal Ohm

Thick Film Chip Resistors Feature Small size & light weight Save assembly cost. Suitable for both wave & re-flow soldering. Applications: Navigator, Mobile Phone,Telecom, PDA, Setbox, Meter. Figures Derating Curve & Specification L A 1. High purity Alumina substrate 2. Protective coating 3. Resistance element W H 01005 0201~2512 B 4. Termination (Inner) Ni / Cr L 5. Termination (Between) Ni Barrier 6. Termination (Outer) Sn Ambient temperature (C) 01005 0201 0402 0603 0805 1206 1210 1812 2010 2512 Type Size 0402 0603 1005 1608 2012 3216 3225 4532 5025 6432 Max. Working Voltage 15V 25V 50V 75V 150V 200V 200V 200V 200V 200V Max. Overload Voltage 30V 50V 100V 150V 300V 400V 500V 500V 500V 500V Dielectric withstanding Voltage - - 100V 300V 500V 500V 500V 500V 500V 500V Operating Temperature -55~+125C -55~+155C -55~+155C -55~+155C -55~+155C -55~+155C -55~+155C -55~+155C -55~+155C -55~+155C Type 01005 0201 0402 0603 0805 1206 1210 1812 2010 2512 L(mm) 0.400.02 0.600.03 1.000.10 1.600.10 2.000.15 3.100.15 3.100.10 4.500.20 5.000.10 6.350.10 +0.15 +0.15 W(mm) 0.200.02 0.300.03 0.500.05 0.800.10 1.25 1.55 2.600.20 3.200.20 2.500.20 3.200.20 -0.10 -0.10 Dimension H(mm) 0.130.02 0.230.03 0.350.05 0.450.10 0.550.10 0.550.10 0.550.10 0.550.20 0.550.10 0.550.10 A(mm) 0.100.03 0.100.05 0.200.10 0.300.20 0.400.20 0.450.20 0.500.25 0.500.20 0.600.25 0.600.25 B(mm) 0.100.03 0.150.05 0.250.10 0.300.20 0.400.20 0.450.20 0.500.20 0.500.20 0.500.20 0.500.20 Resistance Value of Jumper <50m Rated Current of Jumper 0.5A 0.5A 1A 1A 2A 2A 2A 2A 2A 2A Max.Overload Current of Jumper 1A 1A 2A 2A 5A 10A 10A 10A 10A 10A Type 01005 0201 0402 0603 0805 1206 1210 1812 2010 2512 Power Rating at 70C 1/32W 1/20W 1/16W 1/10W 1/8W 1/4W 1/4W 1/3W 1/2W 3/4W 3/4W 1W Resistance Range of 0.5%(E-96) - - 1~10M 1~10M 1~10M - 1~10M - 1~10M 1~10M 1~10M 1~10M 10 ~ 1~ 0.01~ 0.1R 0.01 R 0.1R 0.01R Resistance Range of 1%,2%(E-96) 0.01~10M 10M 10M 10M <10M <0.1 <10M <0.1 0.01~ 0.1R 0.01 R 0.1R 0.01R Resistance Range of 5%(E-24) 1~10M 0.01~10M 10M <10M <0.1 <10M <0.1 6 W H Percent rated load (%)Thick Film Chip Resistors Marking on the Resistors Body For 01005, 0201, 0402 size, no marking on the body due to the small size of the resistor. 153 = 15000 = 15K 153 5% tolerance product: the marking is 3 digits, the first 2 digits are the significant of the resistance and the Below 10: 6R8 = 6.8 3rd digit denotes number of zeros following. 6R8 0805, 1206, 1210, 2010, 2512 1%: the marking is 4 digits, the first 3 digits are the significant of the 2372 = 23700 = 23.7K resistance and the 4th digit denotes number of zeros following. 2372 Standard E-96 series values of 0603 1%: due to the small size of the resistors body, 3 digits marking will be used to indicate the accurate resistance value by using the following Multiplier & Resistance Code. Below 10 : 3R24 = 3.24 R 3 24 Multiplier Code (for 0603 1% marking) Code A B C D E F G H X Y Z 0 1 2 3 4 5 6 7 -1 -2 -3 Power 10 10 10 10 10 10 10 10 10 10 10 Standard E-96 series Resistance Value code (for 06031% marking) Value Code Value Code Value Code Value Code Value Code Value Code 100 01 147 17 215 33 316 49 464 65 681 81 102 02 150 18 221 34 324 50 475 66 698 82 105 03 154 19 226 35 332 51 487 67 715 83 107 04 158 20 232 36 340 52 499 68 732 84 110 05 162 21 237 37 348 53 511 69 750 85 113 06 165 22 243 38 357 54 523 70 768 86 115 07 169 23 249 39 365 55 536 71 787 87 118 08 174 24 255 40 374 56 549 72 806 88 121 09 178 25 261 41 383 57 562 73 825 89 124 10 182 26 267 42 392 58 576 74 845 90 127 11 187 27 274 43 402 59 590 75 866 91 130 12 191 28 280 44 412 60 604 76 887 92 133 13 196 29 287 45 422 61 619 77 909 93 137 14 200 30 294 46 432 62 634 78 931 94 140 15 205 31 301 47 442 63 649 79 953 95 143 16 210 32 309 48 453 64 665 80 976 96 So the resistance value are marked as the following examples: 1 -1 1.96K= 196 10 = 29B 12.4= 124 10 = 10X 29B 10X Standard E-24 and not belong to E-96 series values (1%) of 0603 size: the marking is the same as 5% tolerance but marking as underline. 122 = 1200 = 1.2 K 680 = 68 122 680 7