Thin-Film RF/Microwave Capacitor Technology

1 Thin-Film RF/Microwave Capacitor Technology Accu-P . 5. Accu-P . Thin-Film Technology THE IDEAL Capacitor This accuracy sets apart these Thin-Film capacitors from ceramic capacitors so that the term Accu has been The non-ideal characteristics of a real Capacitor can be employed as the designation for this series of devices, an ignored at low frequencies. Physical size imparts inductance abbreviation for accurate.. to the Capacitor and dielectric and metal electrodes result in resistive losses, but these often are of negligible effect on the 1 circuit. At the very high frequencies of radio communication (>100 MHz) and satellite systems (>1 GHz), these effects Thin-Film Technology . become important. Recognizing that a real Capacitor will Thin-Film Technology is commonly used in producing semi- exhibit inductive and resistive impedances in addition to conductor devices. In the last two decades, this Technology capacitance , the ideal Capacitor for these high frequencies is has developed tremendously, both in performance and in an ultra low loss component which can be fully characterized process control.

2 Today's techniques enable line definitions of in all parameters with total repeatability from unit to unit. below 1 m, and the controlling of thickness of layers at 100 . (10-2 m). Applying this Technology to the manufacture of Until recently, most high frequency/microwave capacitors capacitors has enabled the development of components were based on fired-ceramic (porcelain) Technology . Layers where both electrical and physical properties can be tightly of ceramic dielectric material and metal alloy electrode paste controlled. are interleaved and then sintered in a high temperature oven. This Technology exhibits component variability in dielectric The Thin-Film production facilities at AVX consist of: quality (losses, dielectric constant and insulation resistance), Class 1000 clean rooms, with working areas under variability in electrode conductivity and variability in physical laminar-flow hoods of class 100, (below 100 particles size (affecting inductance). An alternate Thin-Film Technology per cubic foot larger than m).

3 Has been developed which virtually eliminates these vari- High vacuum metal deposition systems for high-purity ances. It is this Technology which has been fully incorporated electrode construction. into Accu-P and Accu-P to provide high frequency capaci- Photolithography equipment for line definition down to tors exhibiting truly ideal characteristics. m accuracy. The main features of Accu-P may be summarized as follows: Plasma-enhanced CVD for various dielectric deposi- High purity of electrodes for very low and repeatable tions (CVD=Chemical Vapor Deposition). ESR. High accuracy, microprocessor-controlled dicing saws Highly pure, low-K dielectric for high breakdown field, for chip separation. high insulation resistance and low losses to frequencies High speed, high accuracy sorting to ensure strict above 40 GHz. tolerance adherence. Very tight dimensional control for uniform inductance, unit to unit. Very tight capacitance tolerances for high frequency signal applications. Orientation Marking Alumina (Al 2O3).

4 Electrode Seal (SiNO). Dielectric (SiO2 / SiNO). Electrode Alumina (Al 2O3). Terminations ACCU-P Capacitor STRUCTURE. 6. Accu-P . Thin-Film Chip Capacitors ACCU-P Technology APPLICATIONS. The use of very low-loss dielectric materials, silicon dioxide and Cellular Communications Radar Systems silicon oxynitride, in conjunction with highly conductive elec- CT2/PCN (Cordless Video Switching trode metals results in low ESR and high Q. These Telephone/Personal Comm. high-frequency characteristics change at a slower rate with Test & Measurements Networks). increasing frequency than for ceramic microwave capacitors. Filters Because of the Thin-Film Technology , the above-mentioned frequency characteristics are obtained without significant Satellite TV. Cable TV. VCO's 1. Matching Networks compromise of properties required for surface mounting. GPS (Global Positioning Systems). RF Amplifiers The main Accu-P properties are: Vehicle Location Systems Internationally agreed sizes with excellent dimensional Vehicle Alarm Systems control.

5 Paging APPROVALS. Ultra small size chip capacitors (01005) are available. Military Communications ISO 9001. Ultra tight capacitance tolerances. Low ESR at VHF, UHF and microwave frequencies. Enhanced RF power handling capablity. High stability with respect to time, temperature, frequency and voltage variation. Nickel/solder-coated terminations to provide excellent sol- derability and leach resistance. ACCU-P FEATURES. Accu-P meets the fast-growing demand for low-loss (high-Q) capacitors for use in surface mount Technology espe- cially for the mobile communications market, such as cellular radio of 450 and 900 MHz, UHF walkie-talkies, UHF cordless telephones to GHz, low noise blocks at GHz and for other VHF, UHF and microwave applications. Accu-P is currently unique in its ability to offer very low capacitance values ( ) and very tight capacitance tolerances ( ). The RF power handling capability of the Accu-P allows for its usage in both small signal and RF power applica- tions. Thin Film Technology guarantees minimal batch to batch variability of parameters at high frequency.

6 Inspection test and quality control procedures in accor- dance with ISO 9001, CECC, IECQ and USA MIL. Standards yield products of the highest quality. Hand soldering Accu-P : Due to their construction utilizing relatively high thermal conductivity materials, Accu-P's have become the preferred device in R & D labs and pro- duction environments where hand soldering is used. 7. Accu-P . Thin-Film Chip Capacitors for RF Signal and Power Applications B1. ACCU-P (Signal and Power Type Capacitors). 01005* 0201* 0402* 0603* 0805* 1210. W L ( ) ( ) ( ) ( ) ( ) ( ). W. 1 T. L. B2. T. ( ). ( ). ( ). ( ). ( ). ( ). ( ) ( ) ( ) ( ) ( ) ( ). + + B1 ( + ) ( ) ( + ) ( ) ( ) ( ). B2 ( ) ( ) ( ) ( ) ( ) ( ). *Mount Black Side Up DIMENSIONS: millimeters (inches). HOW TO ORDER. 0402 3 J 4R7 A B S TR. Size Voltage Temperature capacitance Tolerance Specification Termination Packaging C005 2 = 200V Coefficient (1) capacitance for Code Code Code 0201 1 = 100V J = 0 30ppm/ C expressed in pF. C * B = Accu-P W = Nickel/Solder Coated TR = Tape & Reel 0402 5 = 50V (-55 C to (2 significant Z = Technology Accu-P 0402 Sn90, 0603 3 = 25V +125 C) digits + number P = Pb10**.)

7 0805 Y = 16V K = 0 60ppm/ C of zeros) Q = T = Nickel/High Temperature 1210* Z = 10V (-55 C to for values <10pF, A = Solder Coated +125 C) letter R denotes B = Accu-P 0805**, 1210**. decimal point. C = Sn96, Ag4. Example: for C Nickel/Solder Coated 68pF = 680 Q = Accu-P 0603**. = 8R2 A = Sn63, Pb37. B = **S = Nickel/Lead Free C = Solder Coated (1) TC's shown are per EIA/IEC Specifications. for C Accu-P 01005, 0201, A = 0402, 0603. B = Sn100. C = **RoHS compliant for <C<10pF ** Not RoHS Compliant B = C = Engineering Kits Available D = see pages 114-115 for C 10pF. F = 1%. G = 2%. * Tolerances as tight as are available. Please consult the factory. J = 5%. LEAD-FREE COMPATIBLE. COMPONENT. For RoHS compliant products, please select correct termination style. ELECTRICAL SPECIFICATIONS. Operating and Storage Temperature Range -55 C to +125 C. Temperature Coefficients (1) 0 30ppm/ C dielectric code J / 0 60ppm/ C dielectric code K . capacitance Measurement 1 MHz, 1 Vrms Insulation Resistance (IR) 1011 Ohms ( 1010 Ohms for 0201 and 0402 size).

8 Proof Voltage UR for 5 secs. Aging Characteristic Zero Dielectric Absorption 8. Accu-P . Signal and Power Type Capacitors Accu-P capacitance Ranges (pF). TEMP. COEFFICIENT CODE. J = 0 30ppm/ C (-55 C to +125 C)(2) K = 0 60ppm/ C (-55 C to +125 C)(2). Size Size Code Voltage C005. 16 100 50. 0201. 25 16 10 200 100 50. 0402. 25 16 10 200 100. 0603. 50 25 100. 0805. 50 25 100. 1210. 50 1. Cap in Cap pF(1) code 0R1. 0R2. 0R3. 0R4. 0R5. 0R6. 0R7. 0R8. 0R9. 1R0. 1R1. 1R2. 1R3. 1R4. 1R5. 1R6. 1R7. 1R8. 1R9. 2R0. 2R1. 2R2. 2R3. 2R4. 2R5. 2R6. 2R7. 2R8. 2R9. 3R0. 3R1. 3R2. 3R3. 3R4. 3R5. 3R6. 3R7. 3R8. 3R9. 4R0. 4R1. 4R2. 4R3. 4R4. 4R5. 4R6. 4R7. 5R1. 5R6. 6R2. 6R8. 7R5. 8R2. 9R1. 100. 110. 120. 130. 140. 150. 160. 170. 180. 190. 200. 210. 220. 240. 270. 300. 330. 390. 470. 560. 680. (1) For capacitance values higher than listed in table, please consult factory. (2) TC shown is per EIA/IEC Specifications. These values are produced with K temperature coefficient code only. Intermediate values are available within the indicated range.

9 9. Accu-P . 0201 Typical Electrical Tables capacitance Self Q Standard Value Frequency Frequency Frequency @ 1 MHz Resonance @ 1 GHz 900 MHz 1900 MHz 2400 MHz and Tolerance Frequency (GHz) C(eff) Q ESR C(eff) Q ESR C(eff) Q ESR. C (pF) Tol. Typ. Min. Typ. (pF) Typ. Typ. (mOhm) Typ. (pF) Typ. Typ. (mOhm) Typ. (pF) Typ. Typ. (mOhm) Typ. 599 402 650 3220 265 4010 195 4450. 1 574. 510. 445. 316. 280. 245. 614. 550. 520. 2682. 2087. 1693. 246. 220. 210. 3036. 2404. 1971. 188. 170. 160. 3113. 2441. 1970. 436 240 510 1371 204 1604 153 1646. 427 235 500 1149 199 1337 146 1421. 423 232 494 1001 196 1177 144 1265. 418 230 489 874 193 1038 142 1129. 413 227 484 819 191 972 140 1066. 408 224 478 765 188 906 138 1003. 403 222 473 710 186 840 137 940. 398 219 468 667 183 791 135 882. 394 217 462 624 181 742 133 825. 389 214 457 580 178 693 131 767. 384 211 452 557 176 664 129 729. 379 209 446 534 173 635 127 692. 374 206 441 511 171 606 126 654. 370 203 436 487 168 577 124 616. 365 201 430 464 166 548 122 579.

10 1 360 198 425 441 163 519 120 541. 358 197 421 426 161 502 119 523. 355 195 418 410 159 486 117 505. 353 194 414 395 157 469 116 488. 350 193 411 379 155 452 115 470. 348 191 407 364 153 436 114 452. 345 190 403 348 151 419 112 434. 343 189 400 333 149 402 111 416. 340 187 396 317 147 386 110 398. 338 186 393 302 145 369 109 381. 335 184 389 287 144 353 107 363. 332 183 386 282 142 347 106 358. 330 181 382 277 141 342 105 352. 327 180 378 272 140 337 104 347. 324 178 375 267 138 331 103 342. 321 176 371 262 137 326 102 337. 318 175 367 257 136 321 101 331. 315 173 364 252 134 316 100 326. 312 172 360 247 133 310 99 321. 309 170 357 242 132 305 98 316. 2 306 168 353 237 131 300 97 310. 301 166 348 232 128 293 95 303. 296 163 343 227 125 287 93 296. 292 160 337 222 122 281 91 289. 287 158 332 217 120 274 89 282. 282 155 327 212 117 268 87 275. 277 152 322 207 114 262 85 268. 272 150 317 202 112 255 83 261. 269 148 312 199 110 252 81 258. 265 146 308 196 108 248 80 254. 3 261 144 304 193 106 245 78 251.