Marking of Passive Components

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Presentation transcript:

Marking of Passive Components Learning in Electronic Circuits Marking of Passive Components © 2015 Universitat Politècnica de Catalunya (EPSEVG) José Antonio Soria Pérez - Associate Professor at UPC (EPSEVG Campus). C/ V. Balaguer, 1. Vilanova i la G. (Barcelona - Spain). Telf: +34 93 896 77 27 Fax: +34 93 896 77 00 Office hours: VG3-D101 – EEL TUE 11-13h, THU: 16-18h (Yellow zone) E-mail: jose.antonio.soria@eel.upc.edu, jasoria@eel.upc.edu

In this lesson you will learn... ... the different marking systems used in electronic componetnts R, C and L marking systems (IEC60063) Electronic colour code and E-series The 3 & 4-digit systems The EIA-96 system

Resistor marking 3 0.47Ω ±2.4mΩ 390kΩ ±39kΩ 339Ω 3 9 x1 1% → ± 3.39Ω Thru-Hole Small power (≤1W): Colour code High power: 3-digit based Symmetric Tolerance Code letter ±0.1pF B ±2.5% H ±0.3pf C ±5% J ±0.5pf D ±10% K ±1% F ±20% M ±2% G ±30% N Number oz zeros on the right Value deviation Base values Colour/Band 1st 2nd (3rd ) Precission only 4th. multplicity 5th. Tolerance Silver - x 0.01 ±10% Gold x 0.1 ±5% Black 1 Brown x 10 ±1% Red 2 x 102 ±2% Orange 3 x 103 Yellow 4 x 104 Green 5 x 105 ±0,5% Blue 6 x 106 Purple 7 Grey 8 White 9 Example: 2nd. Example: Example: Units Multiplicity M x106 K x103 R (Ω) x1 m x10-3 μ x10-6 n x10-9 p x10-12 Maximum average power Value (3.3Ω) Tolerance (5%) 5W R47 J 5W 3R3 J Asymmetric Tolerance % Code letter +30/-10 Q +100/-10 V +30/-20 R +20/0 W +50/-20 S +50/0 Y +50/-10 T +80/-20 Z +80/0 U +100/-20 - 1st Dot position 2nd 3rd 4th 5th 3 0.47Ω ±2.4mΩ 390kΩ ±39kΩ 339Ω 3 9 x1 Nominal value: Range: [335.61, 343.39)Ω 1% → ± 3.39Ω

Resistor marking Thru-Hole Small power (≤1W): Colour code High power: 3-digit based The E-12 series E12 means that every decade (0.1-1, 1-10, 10-100,…) is divided into 12 steps whose size has multiplicity 1.21 It also means that tolerance values are 10% overlaped (21/2 ≈ 10%) Other E-series: Every value is roughly 20% higher than the previous one 10 ≈ 1.21 1/12 21 E-6 E-12 E-24 E-48 E-96 E-192 Tolerance 20% 10% 5% 2% 1% 0.5%, 0.25%, 0.1% x 1.2 x 1.2 x 1.2 10 100 E12-series 82+10% 100-10% 3 Colour-band (or digit) LOW ACCURACY 12 15 18 22 27 33 47 56 68 82 39 Decade 4 Colour-band (or digit) HIGH ACCURACY

Resistor marking Values in the E-series E-192 Series E-96 Series Integer E-192 Series E-96 Series E-48 Series E-24 Series E-12 Series E-6 Series 1 1.00, 1.01, 1.02, 1.04, 1.05, 1.06, 1.07, 1.09, 1.10, 1.11, 1.13, 1.14, 1.15, 1.17, 1.18, 1.20, 1.21, 1.23, 1.24, 1.26, 1.27, 1.29, 1.30, 1.32, 1.33, 1.35, 1.37, 1.38, 1.40, 1.42, 1.43, 1.45, 1.47, 1.49, 1.50, 1.52, 1.54, 1.56, 1.58, 1.60, 1.62, 1.64, 1.65, 1.67, 1.69, 1.72, 1.74, 1.76, 1.78, 1.80, 1.82, 1.84, 1.87, 1.89, 1.91, 1.93, 1.96, 1.98 1,00, 1.02, 1.05, 1.07, 1.10, 1.13, 1.15, 1.18, 1.21, 1.27, 1.30, 1.33, 1.37, 1.40, 1.43, 1.47, 1.50, 1.54, 1.58, 1.62, 1.65, 1.69, 1.74, 1.78, 1.82, 1.87, 1.91, 1.96 1,00, 1.05, 1.10, 1.15, 1.21, 1.27, 1.33, 1.37, 1.40, 1.47, 1.54, 1.62, 1.69, 1.78, 1.87, 1.96 1,0, 1.1, 1.2, 1.3, 1.5, 1.6, 1.8 1,0, 1.2, 1.5, 1.0, 1.5 2 2.00, 2.03, 2.05, 2.10, 2.13, 2.15, 2.18, 2.21, 2.23, 2.26, 2.29, 2.32, 2.34, 2.37, 2.40, 2.43, 2.46, 2.49, 2.52, 2.55, 2.58, 2.61, 2.64, 2.67, 2.71, 2.74, 2.77, 2.80, 2.84, 2.87, 2.91, 2.94, 2.98 2.00, 2.05, 2.10, 2.15, 2.21, 2.26, 2.32, 2.37, 2.43, 2.49, 2.55, 2.61, 2.67, 2.74, 2.87, 2.94 2.05, 2.15, 2.26, 2.37, 2.49, 2.61, 2.74, 2.87 2.0, 2.2, 2.4, 2.7 2.2, 2.7 2.2 3 3.01, 3.05, 3.09, 3.12, 3.16, 3.20, 3.24, 3.28, 3.32, 3.36 3.40, 3.44, 3.48, 3.52, 3.57, 3.61, 3.65, 3.70, 3.74, 3.79, 3,83, 3.88, 3.92, 3.97 3.01, 3.09, 3.16, 3.24, 3.32, 3.40, 3.48, 3.57, 3.65, 3.74, 3.83, 3.92 3.01, 3.16, 3.32, 3.48, 3.65, 3.83 3.0, 3.3, 3.6, 3.9 3.3, 3.9 3.3 4 4.02, 4.07, 4.12, 4.17, 4.22, 4.27, 4.32, 4.37, 4.42, 4.48, 4.53, 4.59, 4.64, 4.70, 4.75, 4.81, 4.87, 4.93, 4.99 4.02, 4.12, 4.22, 4.32, 4.42, 4.53, 4.64, 4.75, 4.87, 4.99 4.02, 4.22, 4.42, 4.64, 4.87 4.3, 4.7 4.7 5 5.05, 5.11, 5.17, 5.23, 5.30, 5.36, 5.42, 5.49, 5.56, 5.62, 5.69, 5.76, 5.83, 5.90, 5.97 5.11, 5.23, 5.36, 5.49, 5.62, 5.76, 5.90 5.11, 5.36, 5.62, 5.90 5.1, 5.6 5.6 - 6 6.04, 6.12, 6.19, 6.26, 6.34, 6.42, 6.49, 6.57, 6.65, 6.73, 6.81, 6.90, 6.98 6.04, 6.19, 6.34, 6.49, 6.65, 6.81, 6.98 6.19, 6.49, 6.81 6.2, 6.8 6.8 7 7.06, 7.15, 7.23, 7.32, 7.41, 7.50, 7.59, 7.68, 7.77, 7.87, 7.96 7.15, 7.32, 7.50, 7.68, 7.87 7.15, 7.50, 7.87 7.5 8 8.06, 8.16, 8.25, 8.35, 8.45, 8.56, 8.66, 8.76, 8.87, 8.98 8.06, 8.25, 8.45, 8.66, 8.87 8.25, 8.66 8.2 9 9.09, 9.20, 9.31, 9.42, 9.53, 9.65, 9.76, 9.98 9.09, 9.31, 9.53, 9.76 9.09, 9.53 9.1

Resistor marking Thru-Hole Small power (≤1W): Colour code High power: 3-digit based The E-12 series SMD: The “3 & 4-digit” system and the “EIA-96” system In the3 & 4-digit system, the first two (or three) digits represent the significant values, whereas the last digit indicates multiplicity 312 7920 R382 38C 3-digit example: 4-digit example: Exercise: Obtain the resistor values under these notation systems 31 2 792 450 = 273 = 7992 = 1733 = 45 x 100 = 45 Ω 27 x 103 = 27000 Ω (27kΩ) 799 x 102 = 79900 Ω (79.9kΩ) 173 x 103 = 173000 Ω (173kΩ) Significant values Multiply Factor Significant values Multiply Factor 3 & 4-digit system Resistance = 31 x 102 = 3100Ω Resistance = 792 x 100 = 792Ω

Resistor marking Thru-Hole Small power (≤1W): Colour code High power: 3-digit based The E-12 series SMD: The “3 & 4-digit” system and the “EIA-96” system In the 3 & 4-digit system, the first two (or three) digits represent the significant values, whereas the last digit indicates multiplicity Decimal position is specified by the letter “R” for values lower than 10Ω 2R3 R382 068 0Ω 2.3Ω 792 0.382Ω 0.068Ω

Resistor marking Thru-Hole Small power (≤1W): Colour code High power: 3-digit based The E-12 series SMD: The “3 & 4-digit” system and the “EIA-96” system In the 3 & 4-digit system, the first two (or three) digits represent the significant values, whereas the last digit indicates multiplicity In the EIA-96 system (high precision resistors), two numbers (1) codify the resistor value and one letter (2) specifies the multiplier 2) Multiply Factor 1) Code Table 792 51C Example: Resistance = = 332 x 100 = 1) 2) = 33200Ω (33.2kΩ)

Resistor marking The EIA-96 Table 1) Code Table 2) Multiplicity Factor Value 1) Code Table Code Multiplicity 2) Multiplicity Factor 01 100 02 102 03 105 04 107 05 110 06 113 07 115 08 118 09 121 10 124 11 127 12 130 13 133 14 137 15 140 16 143 17 147 18 150 19 154 20 158 21 162 22 165 23 169 24 174 25 178 26 182 27 187 28 191 29 196 30 200 31 205 32 210 33 215 34 221 35 226 36 232 37 237 38 243 39 249 40 255 41 261 42 267 43 274 44 280 45 287 46 294 47 301 48 309 49 316 50 324 51 332 52 340 53 348 54 55 365 56 374 57 383 58 392 59 402 60 412 61 422 62 432 63 442 64 453 65 464 66 475 67 487 68 499 69 511 70 523 71 536 72 549 73 562 74 576 75 590 76 604 77 619 78 634 79 649 80 665 81 681 82 698 83 715 84 732 85 750 86 768 87 787 88 806 89 825 90 845 91 866 92 887 93 909 94 931 95 953 96 976 357 Z 0.001 Y/R 0.01 X/S 0.1 A 1 B/H 10 C 100 D 1000 E 10000 F 100000 This system prevents confusion with othe marking systems but pay attention with letter “R” (used in 4-digit)

Capacitor marking Thru-Hole Reference unit is pF (picofarad –10-12) unless otherwise specified Traditionally polyester capacitors used the colour code system… …but a 3-digit based system similar to high-power resistors (including nominal voltage) has been adopted The two upper bands represent the base values 3rd. Mutiplicity 4th. Tolerance 5th. Nominal voltage ** We are not going to spend much explainning how it is used Ceramic: Polyester: Electrolytic: Tantalum: Negative lead 33nF 10% 100V 1uF 220nF 600V Positive lead 120pF 10% 1KV 2.2nF 20% 440V 100nF 10uF 35V 68uF 400V *Values for electrolytic capacitors are from 1uF and can be up to 1F !! *Values for ceramic and polyester capacitors are from 0.5pF and up to 1uF

Capacitor marking Thru-Hole SMD: Reference unit is pF (picofarad –10-12) unless otherwise specified Traditionally polyester capacitors used the colour code system… …but a 3-digit based system similar to high-power resistors (including nominal voltage) has been adopted SMD: Ceramic and mica shipped in wrapped strips or reels Main Electrolytic & Tantalum marking Ceramic SMD Capacitors Strip Coil Negative terminal Capacitance (in uF) Lot number Maximum Voltage Mark Voltage SMD Tantalum Capacitor (Top View) Negative terminal Capacitance (in uF) Negative terminal Capacitance (in uF) Maximum Voltage Series Identification Lot number Material Positive Terminal j A C E V H J 2A 6.3V 10V 16V 25V 35V 50V 63V 100V SMD Electrolitic Capacitor (Top view) Organic Polymer Series Identification Black dot for lead-free (square) Lot number Capacitance (3-digit format in pF) Maximum Voltage Kemet (Tantalum ID) Production Date Year Week Maximum Voltage C,D & X Case size Only electrolytic and tantalum capacitors include component information in the package Ø < 10 mm Ø > 12.5 mm

Two most significant values Least Significant Value Inductor marking Thru-Hole RF chokes use a resistor colour-based system (>1μH) Be careful not to confuse with standard 1/4W resistors ≡2 70μH ± 13.5 μH Military standard (if band included) Two most significant values Multiplicity Factor Least Significant Value Tolerance Dot Position This is a RF choke because the background colour is green… Colour (1st Band) 2nd Band 3rd Band 4th Band 5th Band These are common 1/4W resistors because either they have different background color or 4 bands <10μH >10μH Precision resistors, on the other hand, normally have 5 colour bands and blue background

Unshielded SMD power inductors Shielded SMD power inductors Inductor marking Thru-Hole RF chokes use a resistor colour-based system (>1μH) Ferrite-cored inductors use 3 and 4-digit based systems SMD Some small RF chokes come in wheels and they are not marked Others use a dot colour-based system And power inductors use 3 and 4-digit based systems Examples: Table Reference * Packages: 0201, 0302, 0402, 0403 and some 0603 0603, 0805 and 1008 packages Significant values (in μH) Multiplicity Significant values (no multiplicty) Dot position Tolerance We’ll move to the theme of Component Package later on Tolerances F = ± 1% G = ± 2% J = ± 5% K = ± 10% M = ± 20% 1008, 1206, 1812 and Mid packages Unshielded SMD power inductors Shielded SMD power inductors 101 4R7J =100μH =4.7μH ± 5% Values represented by the dot are indicated in datasheet tables The dot only has identification purposes and does not represent polarity 1st Dot 2nd Dot Multiplicity 1st black dot Table reference 3rd black dot =470nH Values are in nH Identifier Values below 10nH use 1st and 3rd black dot