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| Raychem Corporation 300 Constitution Drive Menlo Park, CA 94025 800-227-4856 FAX 800-227-4866 R PolySwitch(R) PTC Devices Resettable Fuse PRODUCT: RUE250U DOCUMENT: SCD 22793 PCN: 613961 REV LETTER: I REV DATE: AUGUST 31, 1999 PAGE NO.: 1 OF 1 Specification Status:RELEASED Electrical Rating Voltage: 30V MAX Current: 40A MAX Lead Material: 20 AWG Tin/Lead Plated Copper Marking: None TABLE I. DIMENSIONS: A B MIN MAX MIN MAX 7.1 8.1 -2.8 (0.28) (0.32) -(0.11) *Rounded off approximation C TYPICAL 5.0 (0.2) D MIN 7.6 (0.3) E MIN 15.0 (0.59) MAX 16.8 (0.66) mm: in*: TABLE II. PERFORMANCE RATINGS: I HOLD CURRENT RATINGS TIME TO TRIP RESISTANCE ONE-HOUR NOMINAL POST-TRIP TRIPPED RESISTANCE POWER STANDARD DISSIPATION TRIP OHMS WATTS AT AT 20C 20C MAX 0.080 1.75 AMPS 20C HOLD 2.5 AMPS AMPS AMPS AT 0C AT 20C AT 50C HOLD TRIP HOLD TRIP HOLD TRIP --2.5 4.9 2.0 3.7 SECONDS AT 20C, 8A MAX 5.0 OHMS AT 20C MIN MAX 0.031 0.044 Reference Documents: Precedence: Effectivity: CAUTION: PS300 This specification takes precedence over documents referenced herein. Reference documents shall be the issue in effect on the date of invitation for bid. Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame. |
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