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Low power resistors FTX

Low power resistors FTX
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Low power resistors FTX

Product catalog summary
Overview: This document provides technical specifications for wire wound resistors with a focus on models FTX 0720, FTX 0725, FTX 0738, FTX 0925, FTX 0938, FTX 0950, and FTX 0975. These resistors feature a spring fusible solder joint, axial wire terminals, and a ceramic tube casing.
Specifications:
  • Dimensions: Vary by model, ranging from 20 mm to 75 mm in length.
  • Carrier Material: Fiber glass core.
  • Resistance Range: Varies by model, with values such as R11 to 9K1 for FTX 0720 and R20 to 82K for FTX 0975.
  • Resistance Tolerances: K (±10%) and J (±5%) depending on the resistance value.
  • Power Rating (Pn): Ranges from 1.5 W to 11 W depending on the model.
  • Dissipation at 25°C: Matches the power rating.
  • Dissipation at 70°C: Reduced power rating, e.g., 0.75 W for FTX 0720.
  • Dielectric Withstanding Voltage: ≥ 2000 Veff.
  • Repair Solder: Sn99Cu1, RoHS compliant.
  • Marking: Values marked according to DIN/IEC 62 standards.
Mounting and Solderability:
  • Horizontal mounting with the fusible wire on top.
  • Solderability of leads is limited to a 5 mm range on ceramic casings.
Additional Notes:
  • Ambient temperature for testing is 25°C.
  • Fuse times and additional details are provided on subsequent pages.
See more

Catalog excerpts

Low power resistors FTX-1

Drahtwiderstände Cement- Wire wound resistors / Résistances bobinées Übertemperaturabschaltung – Axialer Drahtanschluss - Keramikgehäuse Spring fusible solder joint – Axial wire terminal – Ceramic tube Fusible – Sorties fils axiaux – Tube céramique Bauform Style Modèle Abmessungen Dimensions Dimensions Trägerkörper Carrier Support Widerstandswertbereich Resistance range Plage de valeurs Widerstandswert-Toleranzen Resistance tolerances Tolérances sur la résistance Nennlast Pn Power rating Pn Puissance nominale Pn Belastbarkeit bei Dissipation at ϑu = 25° C Puissance à Belastbarkeit bei Dissipation at ϑu = 70° C Puissance à Durchschlagfestigkeit Dielectric withstanding voltage Rigidité diélectrique Reparatur-Lot (Lötsicherung) Repair solder (fusible) Soudure de réparation (fusible) Kennzeichnung Marking Marquage Anmerkung : Notes: Nota: Glasfaserkordel Fiber glass core Fibre de verre R20 18K ≥ 2000 Veff Sn99Cu1 (RoHS konform) Klartext, Wertkennzeichnung DIN/IEC 62 Cipher stamped, the marking of values according to DIN/IEC 62 En clair, du marquage de la valeur DIN/IEC 62 ϑu = Umgebungstemperatur Ambient temperature Température ambiante Auslötzeiten: Fuse time: Temps de dessoudage: siehe nächste Seite see next page voir page suivante * Bei Widerständen im Keramikgehäuse ist die Lötbarkeit der Anschlussdrähte in einem Bereich von 5 mm eingeschränkt. *The solderability of leads of resistors mounted in ceramic casings is limited within a range of 5 mm. * La soudabilité des fils de connexion des résistances montées dans un boîtier céramique est limitée dans une gamme de 5 mm. Bestellbeispiel: Order designation: Code de commande: KRAH ELEKTRONISCHE BAUELEMENTE GMBH, Märkische Straße 4, 57489 Drolshagen, Telefon: 02761/701-0, Telefax: 02761/701-177 Seite 1 von 4 Lfd.-Nr.: 407, Stand 08 / 2010

 Open the catalog to page 1
Low power resistors FTX-2

Drahtwiderstände Cement- Wire wound resistors / Résistances bobinées Übertemperaturabschaltung – Axialer Drahtanschluss - Keramikgehäuse Spring fusible solder joint – Axial wire terminal – Ceramic tube Fusible – Sorties fils axiaux – Tube céramique Auslötzeiten - Fuse time - Temps de dessoudage Montage: liegend, Lötsicherung oben Mounting: horizontal, springy wire on top of the resistor Montage: horizontal, fusible vers le haut Umgebungstemperatur: 25 ° C Ambient temperature: 25 ° C C Température ambiante: 25° KRAH ELEKTRONISCHE BAUELEMENTE GMBH, Märkische Straße 4, 57489 Drolshagen, Telefon:...

 Open the catalog to page 2
Low power resistors FTX-3

Drahtwiderstände Cement- Wire wound resistors / Résistances bobinées Übertemperaturabschaltung – Axialer Drahtanschluss - Keramikgehäuse Spring fusible solder joint – Axial wire terminal – Ceramic tube Fusible – Sorties fils axiaux – Tube céramique Bauform Style Modèle Abmessungen Dimensions Dimensions Trägerkörper Carrier Support Widerstandswertbereich Resistance range Plage de valeurs Widerstandswert-Toleranzen Resistance tolerances Tolérances sur la résistance Nennlast Pn Power rating Pn Puissance nominale Pn Belastbarkeit bei Dissipation at ϑu = 25° C Puissance à Belastbarkeit bei Dissipation...

 Open the catalog to page 3
Low power resistors FTX-4

Drahtwiderstände Cement- Wire wound resistors / Résistances bobinées Übertemperaturabschaltung – Axialer Drahtanschluss - Keramikgehäuse Spring fusible solder joint – Axial wire terminal – Ceramic tube Fusible – Sorties fils axiaux – Tube céramique Auslötzeiten - Fuse time - Temps de dessoudage Montage: liegend, Lötsicherung oben Mounting: horizontal, springy wire on top of the resistor Montage: horizontal, fusible vers le haut Umgebungstemperatur: 25 ° C Ambient temperature: 25 ° C Température ambiante: 25° C KRAH ELEKTRONISCHE BAUELEMENTE GMBH, Märkische Straße 4, 57489 Drolshagen, Telefon:...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.