T14

T14 TDK | Alldatasheet

Document overview

• Manufacturer or author: Provided By alldatasheet.com(free datasheet download site)
• PDF pages: 14

Technical content

SIOV metal oxide varistors Housed (ThermoFuse) varistors, AdvanceD series Series/Type: T14 series Date: April 2018 © EPCOS AG 2018. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. EPCOS AG is a TDK Group Company.

Round varistor element, leaded Coating: epoxy resin, flame-retardant to UL 94 V-0 Terminals: tinned copper wire, metal compound wire Housing: thermoplastic, flame-retardant to UL 94 V-0

Features

Wide operating voltage range 130 … 420 V RMS Self-protected under abnormal overvoltage conditions High-energy AdvanceD series E2 Approvals UL 1449 (file number E321126) IEC (certificate number 101-QA-10 IECQ) VDE (certificate number 40031102)

Applications

Inverters in solar power systems Lighting applications Communication and data systems Transient voltage surge suppressors (TVSS) Electronic metering Delivery mode Tray packing Typical applications General technical data Climatic category to IEC 60068-1 40/85/56 Operating temperature to IEC 61051 40 ... + 85 °C Storage temperature 40 ... + 85 °C Electric strength to IEC 61051 ≥ 2.5 kVRMS Insulation resistance to IEC 61051 ≥ 100 MΩ Housed varistors T14 series ThermoFuse varistors Page 2 of 14Please read Cautions and warnings and Important notes at the end of this document.

Electrical specifications and ordering codes Maximum ratings (TA = 85 °C) Ordering code Type (untaped) SIOV- VRMS V VDC V imax (8/20 µs) A In1) (8/20 µs) 15 times A Wmax (2 ms) J Pmax W B72214T2131K105 T14K130E2 130 170 6000 3000 50 0.6 B72214T2151K105 T14K150E2 150 200 6000 3000 60 0.6 B72214T2171K105 T14K175E2 175 225 6000 3000 70 0.6 B72214T2231K105 T14K230E2 230 300 6000 3000 90 0.6 B72214T2251K105 T14K250E2 250 320 6000 3000 100 0.6 B72214T2271K105 T14K275E2 275 350 6000 3000 110 0.6 B72214T2301K105 T14K300E2 300 385 6000 3000 125 0.6 B72214T2321K105 T14K320E2 320 420 6000 3000 136 0.6 B72214T2351K105 T14K350E2 350 460 6000 3000 150 0.6 B72214T2381K105 T14K385E2 385 505 6000 3000 165 0.6 B72214T2421K105 T14K420E2 420 560 6000 3000 180 0.6 1) Note: Nominal discharge current In according to UL 1449, 4th edition. Characteristics (TA = 25 °C) Ordering code Type (untaped) SIOV- Vv (1 mA) V ΔVv (1 mA) vc,max (ic) V ic A Ctyp (1 kHz) pF B72214T2131K105 T14K130E2 205 ±10 340 50 880 B72214T2151K105 T14K150E2 240 ±10 395 50 750 B72214T2171K105 T14K175E2 270 ±10 455 50 670 B72214T2231K105 T14K230E2 360 ±10 595 50 530 B72214T2251K105 T14K250E2 390 ±10 650 50 490 B72214T2271K105 T14K275E2 430 ±10 710 50 440 B72214T2301K105 T14K300E2 470 ±10 775 50 400 B72214T2321K105 T14K320E2 510 ±10 840 50 370 B72214T2351K105 T14K350E2 560 ±10 910 50 340 B72214T2381K105 T14K385E2 620 ±10 1025 50 315 B72214T2421K105 T14K420E2 680 ±10 1120 50 290 Housed varistors T14 series ThermoFuse varistors Page 3 of 14Please read Cautions and warnings and Important notes at the end of this document.

Dimensional drawings in mm Weight Nominal diameter mm VRMS V Weight g Lead configuration Housed varistors T14 series ThermoFuse varistors Page 4 of 14Please read Cautions and warnings and Important notes at the end of this document.

Test Test methods/ conditions Requirement Varistor voltage The voltage between two terminals with the specified measuring current applied is To meet the specified value Clamping voltage The maximum voltage between two terminals with the specified standard impulse current (8/20 µs) applied. To meet the specified value Endurance at upper category temperature 1000 h at UCT After having continuously applied the maximum allowable AC voltage at UCT ±2 °C for 1000 h, the specimen shall be stored at room temperature and normal humidity for 1 to 2 h. Thereafter, the change of VV shall be measured. |ΔV/V (1 mA)| ≤10% Surge current derating, 8/20 µs 10 surge currents (8/20 µs), unipolar, interval 30 s, amplitude corresponding to derating curve for 10 impulses at 20 µs |ΔV/V (1 mA)| ≤10% (measured in direction of surge current) No visible damage Surge current derating, 2 ms 10 surge currents (2 ms), unipolar, interval 120 s, amplitude corresponding to derating curve for 10 impulses at 2 ms |ΔV/V (1 mA)| ≤10% (measured in direction of surge current) No visible damage Electric strength IEC 61051-1, test 4.9.2 Metal balls method, 2500 VRMS, 60 s The varistor is placed in a container holding 1.6 ±0.2 mm diameter metal balls such that only the terminations of the varistor are protruding. The specified voltage shall be applied between both terminals of the specimen connected together and the electrode inserted between the metal balls. No breakdown Housed varistors T14 series ThermoFuse varistors Page 5 of 14Please read Cautions and warnings and Important notes at the end of this document.

Test Test methods/ conditions Requirement Climatic sequence The specimen shall be subjected to: a) dry heat at UCT, 16 h, IEC 60068-2-2, test Ba b) damp heat, 1st cycle: 55 °C, 93% r. H., 24 h, IEC 60068-2-30, test Db. c) cold, LCT, 2 h, IEC 60068-2-1, test Aa. d) damp heat, additional 5 cycles: 55 °C/25 °C, 93% r. H., 24 h/cycle, IEC 60068-2-30, test Db. Then the specimen shall be stored at room temperature and normal humidity for 1 to 2 h. Thereafter, the change of VV shall be measured. Thereafter, insulation resis- tance Rins shall be measured at V = 500 V. |ΔV/V (1 mA)| ≤10% Rins ≥100 MΩ Rapid change of temperature IEC 60068-2-14, test Na, LCT/UCT, dwell time 30 min, 5 cycles |ΔV/V (1 mA)| ≤5% No visible damage Damp heat, steady state IEC 60068-2-78, test Ca The specimen shall be subjected to 40 ±2 °C, 90 to 95% r. H. for 56 days without load / with 10% of the maxi- mum continuous DC operating voltage VDC. Then stored at room temperature and normal humidity for 1 to 2 h. Thereafter, the change of VV shall be measured. Thereafter, insulation resis- tance Rins shall be measured at V = 500 V (insulated varistors only). |ΔV/V (1 mA)| ≤10% Rins ≥100 MΩ Housed varistors T14 series ThermoFuse varistors Page 6 of 14Please read Cautions and warnings and Important notes at the end of this document.

Test Test methods/ conditions Requirement Solderability IEC 60068-2-20, test Ta, method 1 with modified conditions for lead-free solder alloys: 245 °C, 3 s: After dipping the terminals to a depth of approximately 3 mm from the body in a soldering bath of 245 °C for 3 s, the terminals shall be visually examined. The inspection must be carried out under adequate light with normal eyesight or with the assistance of a magnifier capable of giving a magnification of 4 to 10 times. The dipped surface must be covered with a smooth and bright solder coating with no more than small amounts of scattered imperfections such as pinholes or un-wetted or de-wetted areas. These imperfections must not be concentrated in one area. Resistance to soldering heat IEC 60068-2-20, test Tb, method 1A, 260 °C, 10 s: Each lead shall be dipped into a solder bath having a temperature of 260 ±5 °C to a point 2.0 to 2.5 mm from the body of the specimen, be held there for 10 ±1 s and then be stored at room temperature and normal humidity for 1 to 2 h. The change of VV shall be measured and the specimen shall be visually examined. |ΔV/V (1 mA)| ≤5% No visible damage Tensile strength IEC 60068-2-21, test Ua1 After gradually applying the force specified below and keeping the unit fixed for 10 s, the terminal shall be visually examined for any damage. Force for wire diameter: 0.6 mm = 10 N 0.8 mm = 10 N 1.0 mm = 20 N |ΔV/V (1 mA)| ≤5% No break of solder joint, no wire break Housed varistors T14 series ThermoFuse varistors Page 7 of 14Please read Cautions and warnings and Important notes at the end of this document.

Test Test methods/ conditions Requirement Vibration IEC 60068-2-6, test Fc, method B4 |ΔV/V (1 mA)| ≤5% No visible damageFrequency range: Amplitude: Duration: Pulse: 10 … 55 Hz 0.75 mm or 98 m/s2 6 h (3 · 2 h) sine wave After repeatedly applying a single harmonic vibration according to the table above. The change of VV shall be measured and the specimen shall be visually examined. Bump IEC 60068-2-29, test Eb |ΔV/V (1 mA)| ≤5% No visible damagePulse duration: Max. acceleration: Number of bumps: Pulse: 6 ms 400 m/s2 4000 half sine Fire hazard IEC 60695-11-5 (needle flame test) Severity: vertical 10 s 5 s max. Abnormal overvoltage test The device is designed to meet the limited current abnormal overvoltage condition, outlined in section 39.4 of UL 1449, 4th edition. Detailed test voltage applied onto the device for different types as in the following table: Type Device rating VRMS Test voltage VRMS T14K130E2 130 260 T14K150E2 150 300 T14K175E2 175 350 T14K230E2 230 415 T14K250E2 250 500 T14K275E2 275 480 T14K300E2 300 600 T14K320E2 320 600 T14K350E2 350 600 T14K385E2 385 600 T14K420E2 420 600 None of the following phenomena shall be observed, or this specimen will be judged as failed part: 1. Emission of flame, molten metal, glowing or flaming particles through any openings (pre-existing or created as a result of the test) in the product. 2. Charring, glowing, or flaming of the supporting surface, tissue paper, or cheesecloth. 3. Ignition of the enclosure. 4. Creation of any openings in the enclosure that result in accessibility of live parts, when evaluated in accordance with accessibility of live parts test in section 58.2 of UL1449, 4th edition. Note: UCT = Upper category temperature, LCT = Lower category temperature, Rins = Insulation resistance. All electrical tests should be performed between pin 1 and pin 3. Housed varistors T14 series ThermoFuse varistors Page 8 of 14Please read Cautions and warnings and Important notes at the end of this document.

v = f (i) for explanation of the characteristics refer to "General technical information", chapter 1.6.3 A = Leakage current, B = Protection level } for worst-case varistor tolerances SIOV-T14 ... E2 Derating curves Maximum surge current imax = f (tr, pulse train) For explanation of the derating curves refer to "General technical information", section 1.8.1 SIOV-T14 ... E2 Housed varistors T14 series ThermoFuse varistors Page 9 of 14Please read Cautions and warnings and Important notes at the end of this document.

1. EPCOS metal oxide varistors are designed for specific applications and should not be used for purposes not identified in our specifications, application notes and data books unless oth- erwise agreed with EPCOS during the design-in-phase. 2. Ensure suitability of SIOVs through reliability testing during the design-in phase. SIOVs should be evaluated taking into consideration worst-case conditions. 3. For applications of SIOVs in line-to-ground circuits based on various international and local standards there are restrictions existing or additional safety measures required. Storage 1. Store SIOVs only in original packaging. Do not open the package prior to processing. 2. Recommended storage conditions in original packaging: Storage temperature: 25 °C ... +45 °C, Relative humidity: <75% annual average, <95% on maximum 30 days a year. Dew precipitation: is to be avoided. 3. Avoid contamination of an SIOV's during storage, handling and processing. 4. Avoid storage of SIOVs in harmful environments that can affect the function during long-term operation (examples given under operation precautions). 5. The SIOV type series should be soldered after shipment from EPCOS within the time speci- fied: SIOV-S, -Q, -LS, -B, -SNF 24 months ETFV/ T series, -CU 12 months. Handling 1. SIOVs must not be dropped. 2. Components must not be touched with bare hands. Gloves are recommended. 3. Avoid contamination of the surface of SIOV electrodes during handling, be careful of the sharp edge of SIOV electrodes. Soldering (where applicable) 1. Use rosin-type flux or non-activated flux. 2. Insufficient preheating may cause ceramic cracks. 3. Rapid cooling by dipping in solvent is not recommended. 4. Complete removal of flux is recommended. 5. Temperatures of all preheat stages and the solder bath must be strictly controlled especially for T series (T14 and T20). Housed varistors T14 series ThermoFuse varistors Page 10 of 14Please read Cautions and warnings and Important notes at the end of this document.

1. Potting, sealing or adhesive compounds can produce chemical reactions in the SIOV ceramic that will degrade the component’s electrical characteristics. 2. Overloading SIOVs may result in ruptured packages and expulsion of hot materials. For this reason SIOVs should be physically shielded from adjacent components. Operation 1. Use SIOVs only within the specified temperature operating range. 2. Use SIOVs only within the specified voltage and current ranges. 3. Environmental conditions must not harm SIOVs. Use SIOVs only in normal atmospheric con- ditions. Avoid use in deoxidizing gases (chlorine gas, hydrogen sulfide gas, ammonia gas, sulfuric acid gas etc), corrosive agents, humid or salty conditions.Contact with any liquids and solvents should be prevented. Display of ordering codes for EPCOS products The ordering code for one and the same EPCOS product can be represented differently in data sheets, data books, other publications, on the EPCOS website, or in order-related documents such as shipping notes, order confirmations and product labels. The varying representations of the ordering codes are due to different processes employed and do not affect the specifications of the respective products. Detailed information can be found on the Internet under www.epcos.com/orderingcodes Housed varistors T14 series ThermoFuse varistors Page 11 of 14Please read Cautions and warnings and Important notes at the end of this document.

ic Current at which Vc, max is measured Ileak Leakage current imax Maximum surge current (also termed peak current) Imax Maximum discharge current In Nominal discharge current to UL 1449 LCT Lower category temperature Ltyp Typical inductance Pmax Maximum average power dissipation Rins Insulation resistance Rmin Minimum resistance TA Ambient temperature tr Duration of equivalent rectangular wave UCT Upper category temperature v Voltage Vclamp Clamping voltage vc, max Maximum clamping voltage at specified current ic VDC DC operating voltage Vjump Maximum jump start voltage vmax Maximum voltage Vop Operating voltage VRMS AC operating voltage, root-mean-square value VRMS, op, max Root-mean-square value of max. DC operating voltage incl. ripple current Vsurge Super imposed surge voltage VV Varistor voltage ΔVV Tolerance of varistor voltage WLD Maximum load dump Wmax Maximum energy absorption Lead spacing All dimensions are given in mm. The commas used in numerical values denote decimal points. Housed varistors T14 series ThermoFuse varistors Page 12 of 14Please read Cautions and warnings and Important notes at the end of this document.

The following applies to all products named in this publication: 1. Some parts of this publication contain statements about the suitability of our products for certain areas of application . These statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. We nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. As a rule we are either unfamiliar with individual customer applicat ions or less familiar with them than the customers themselves. For these reasons, it is always ultim ately incumbent on the customer to check and decide whether a product with the properties described in the product specification is suitable for use in a particular customer application. 2. We also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. In customer applications requiring a very high level of operational safety and especially in customer applicat ions in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third p arties in the event of malfunction or failure of an electronic component. 3. The warnings, cautions and product-specific notes must be observed. 4. In order to satisfy certain technical requirements, some of the products described in this publication may contain substances subject to restrictions in c ertain jurisdictions (e.g. because they are classed as hazardous). Useful information on this will be found in our Material Data Sheets on the Internet (www.tdk-electronics.tdk.com/material). Should you have any more detailed questions, please contact our sales offices. 5. We constantly strive to improve our products. Consequently, the products described in this publication may change from time to time. The same is true of the corresponding product specifications. Please check therefore to what extent product d escriptions and specifications contained in this publication are still applicable before or when you place an order. We also reserve the right to discontinue production and delivery of pro ducts. Consequently, we cannot guarantee that all products named in this publication will always be available. The aforementioned does not apply in the case of individual agreements deviating from the foregoing for customer-specific products. 6. Unless otherwise agreed in individual contracts, all orders are subject to our General Terms and Conditions of Supply. 7. Our manufacturing sites serving the automotive business apply the IATF 16949 standard. The IATF certifications confirm our compliance with requirement s regarding the quality management system in the automotive industry. Referring to cust omer requirements and customer specific requirements (“CSR”) TDK always has and will continue to have the policy of respecting individual agreements. Even if IATF 16949 may appear to support the acceptance of unilateral requirements, we hereby like to emphasize that only requirements mutually agreed upon can and will be implemented in our Quality Management Syst em. F o r c l a r i f i c a t i o n purposes we like to point out that obligations from IATF 16949 shall only become legally binding if individually agreed upon.

1. The trade names EPCOS, CeraCharge, CeraDiode, CeraLink, CeraPad, CeraPlas, CSMP, CTVS, DeltaCap, DigiSiMic, ExoCore, FilterCap, FormFit, LeaXield, Min iBlue, MiniCell, MKD, MKK, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, PowerHap, PQSine, PQvar, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID, SineF ormer, SIOV, ThermoFuse, WindCap are trademarks registered or pending in Europe and in other countries. Further information will be found on the Internet at www.tdk-electronics.tdk.com/trademarks. Release 2018-10