Encapsulated high power resitors KRX27-8

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Encapsulated high power resitors KRX27-8

Product catalog summary

High Power Resistors in Metal Housing

Specifications:

Models: KRX27-8-20W, KRX27-8-40W, KRX27-8-50W, KRX27-8-70W, KRX27-8-75W
Dimensions (mm): Vary by model, with consistent width (D) of 19.1 mm for most models, except 22 mm for KRX27-8-75W.
Carrier Material: Ceramic tube
Resistance Range: Varies by model, from R15 – 2K2 to R50 – 51K
Resistance Tolerances: K (±10%), J (±5%)
Power Rating (Pn): Ranges from 20W to 75W depending on the model
Dissipation at ϑu=25°C ϑo=200°C: Varies by model, from 10.0W to 52.5W
Dissipation at ϑu=70°C ϑo=200°C: Varies by model, from 8.3W to 51.5W
Dielectric Withstanding Voltage: >2000Veff
Limiting Voltage (U): U =√ Pn · R
Temperature Coefficient: R>20Ω: ±260 · 10-6 /K, R<20Ω: ±400 · 10-6 /K
Limiting Surface Temperature: 275°C
Marking: Cipher stamped, marking of values according to DIN/IEC 62
Casing: Galvanized steel, blue chromized

Notes: Ambient temperature (ϑu) and surface temperature (ϑo) are specified for performance metrics.

Order Example: 5,000 pieces KRX27-8-40W 100R K

Connector: Flat plug DIN 46244-A-6,3-0,8

Catalog excerpts

Encapsulated high power resitors KRX27-8-1

Hochlastwiderstand im Metallgehäuse High power resistors in a metal housing Résistances bobinées à forte puissance dans un boîtier Bauform Style Modèle Abmessungen (mm) Dimensions (mm) Dimensions (mm) Belastbarkeit bei C Dissipation at ϑu=25° Puissance à Belastbarkeit bei Dissipation at ϑu=70° C Puissance à Durchschlagsfestigkeit Dielectric withstanding voltage Rigidité diélectrique Grenzspannung U Limiting voltage U Tension limite nominale U Temperaturkoeffizient Temperature coefficient Coefficient de température Zul. Oberflächentemperatur Lim. surface temperature Lim. température surface Kennzeichnung Marking Marquage Gehäuse Casing Boîtier ϑu = Keramikrohr Ceramic tube Tube céramique Trägerkörper Carrier Support Widerstandswertbereich Resistance range Plage de valeurs Widerstandswerttoleranzen Resistance tolerances Tolérances sur la résistance Nennlast Pn Power rating Pn Puissance nominale Pn Anmerkung : Notes: Nota: Umgebungstemperatur Ambient temperature Température ambiante U =√ Pn · R R>20 : ±260 · 10-6 /K R<20 : ±400 · 10-6 /K 275° C Klartext, Wertkennzeichnung DIN/IEC 62 Cipher stamped, marking of values acc. to DIN/IEC 62 En clair, marquage de la valeur DIN/IEC 62 Stahl verzinkt, blau chromatiert Galvanized steel, blue chromized Acier galvanise, chromisé en bleu ϑo = Bestellbeispiel / Order designation / Code de commande: Oberflächentemperatur Surface temperature Température surface 5.000 Stück KRX27-8-40W 100R K KRAH ELEKTRONISCHE BAUELEMENTE GMBH, Märkische Straße 4, 57489 Drolshagen, Telefon: 02761/701-0, Telefax: 02761/701-177 Seite 1 von 1 Lfd-Nr.: 100, Stand 02 / 2009

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