R Raychem Corporation 300 Constitution Drive Menlo Park, CA 94025 800-227-4856 FAX 800-227-4866 PRODUCT: RUE250U DOCUMENT: SCD 22793 PCN: 613961 REV LETTER: I REV DATE: AUGUST 31, 1999 PAGE NO.: 1 OF 1 PolySwitch® PTC Devices Resettable Fuse Specification Status: RELEASED Electrical Rating Voltage: 30V MAX Current: 40A MAX Lead Material: 20 AWG Tin/Lead Plated Copper Marking: None TABLE I. DIMENSIONS: mm: in*: 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) TABLE II. PERFORMANCE RATINGS: I HOLD CURRENT RATINGS TIME TO TRIP RESISTANCE AMPS 20°C HOLD 2.5 AMPS AMPS AMPS AT 0°C AT 20°C AT 50°C HOLD TRIP HOLD TRIP HOLD TRIP --2.5 4.9 2.0 3.7 SECONDS AT 20°C, 8A MAX 5.0 OHMS AT 20°C MIN MAX 0.031 0.044 Reference Documents: Precedence: Effectivity: CAUTION: ONE-HOUR NOMINAL POST-TRIP TRIPPED RESISTANCE POWER STANDARD DISSIPATION TRIP OHMS WATTS AT AT 20°C 20°C MAX 0.080 1.75 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.