Overcurrent Protection Leaded Disks, Coated, 12 V, 24 V

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Victor Ursler
vor 6 Jahren
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1 B99* C 93 C 99 Applications Overcurrent and short-circuit protection b 3, max. Features Lead-free terminals Manufacturer s logo and type designation stamped on in white Low resistance For rated currents of up to 1,8 A UL approval to UL 1434 for V max = 1 V and V N = 12 V (file number E6982) VDE approval (license number 4843 E) Options Leadless disks and leaded disks without coating available on request Thermistors with diameter b 11, mm are also available on tape (to IEC ) Delivery mode Cardboard strips (standard) Cardboard tape reeled or in AMMO pack on request Dimensions (mm) h 3 min. ød TPT647-V Type b max d h max C 93 22,,6 2, C 94 17,,6 21, C 9 13,,6 17, C 96 11,,6 14, C 97 9,,6 12, C 98 6,,6, C 99 4,, 7, General technical data Max. operating voltage (T A = 6 ) V max Rated voltage V N Switching cycles (typ.) N Reference temperature (typ.) T Ref Resistance tolerance R N Operating temperature range (V = ) T op (V = V max ) T op Electrical specifications and ordering codes 3 12, ± 2 % 4/+ 12 /+ 6 VDC or VAC VDC or VAC Type I N I S I Smax I r (typ.) R N R min Ordering code ma ma (V=V max ) A (V=V max ) ma Ω Ω C , 17,3,2 B993C12A7 C , 11,4,3 B994C12A7 C , 8,8, B99C12A7 C ,3 7 1,2,7 B996C12A7 C , 6 1,8 1,1 B997C12A7 C , 4 4,6 2,7 B998C12A7 C , ,8 B999C12A7 /2

2 B99* C 93 C 99 Reliability data Test Standard Test conditions R 2 /R 2 Switching test at room temperature Dry heat at upper category temperature IEC IEC I Smax V max Number of cycles: Storage at upper category temperature for t: h Life test at V max /T op IEC Storage at V max /T op for t: h Storage in damp heat IEC Temperature of air: 4 Relative humidity of air: 93% Duration: 6 days Rapid change of temperature in air IEC , Test N a Vibration IEC , Test F C T = T LCT, T = T UCT Number of cycles: t: 3 min f = Hz h =,7 mm (respectively g) t: 3 2 h Bump IEC Pulse shape: half-sine a: = g Pulse duration: 1 ms; 6 3 pulses Climatic sequence IEC Dry heat: T = T UCT t: 16 h Damp heat first cycle Cold: T = T LCT t: 2 h Damp heat cycles < 2% < 2% < 2% < % < % < % < % < % 6 /2

3 B99* C 93 C 99 Characteristics (typical) PTC resistance R PTC versus PTC temperature T PTC (measured at low signal voltage) 4 Ω R PTC 1 B993C12A7 B994C12A7 B99C12A7 TPT79-P PTC current I PTC versus PTC voltage V PTC ma I PTC TPT711-X B993C12A7 B994C12A7 B99C12A7 1 2 C 3,1 1 V T PTC V PTC Switching time t S versus switching current I S Rated current I N versus ambient temperature T A (measured in still air) t S s TPT7-S 2, I N, TA I N, 2 C TPT731-F 2 B993C12A7 B994C12A7 B99C12A7 1,6 1,4 1,2 1,,8,6,4,2 _ A 4 _ C 16 I S T A 7 /2

4 B99* C 93 C 99 Characteristics (typical) PTC resistance R PTC versus PTC temperature T PTC (measured at low signal voltage) 6 Ω R PTC TPT728-V PTC current I PTC versus PTC voltage V PTC ma I PTC TPT B996C12A7 B997C12A7 B998C12A7 B999C12A7 B996C12A7 B997C12A7 B998C12A7 B999C12A7 _ 2 C 3,1 1 V T PTC V PTC Switching time t S versus switching current I S Rated current I N versus ambient temperature T A (measured in still air) t S s TPT , I N, TA I N, 2 C TPT731-F 2 _ 1 B996C12A7 B997C12A7 B998C12A7 B999C12A A I S 1,6 1,4 1,2 1,,8,6,4,2 _ C 16 T A 8 /2

5 Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach , München, DEUTSCHLAND ( , FAX ( 89) EPCOS AG 22. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet. Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen für Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschüre ersetzt die vorige Ausgabe. Fragen über Technik, Preise und Liefermöglichkeiten richten Sie bitte an den Ihnen nächstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente können aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskünfte darüber bitten wir unter Angabe des betreffenden Typs ebenfalls über die zuständige Vertriebsgesellschaft einzuholen. Published by EPCOS AG Corporate Communications, P.O. Box , Munich, GERMANY ( , FAX ( 89) EPCOS AG 22. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.

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