™ Chip Fuses 3216FF Series, Fast Acting Description • Surface mount fuse, fast acting • Rapid interruption of excessive current • Compatible with reflow and wave solder • Excellent environmental integrity • Ampere rating marked and oriented facing up in carrier • Solder-free design provides excellent temperature cycling characteristics • Heat and shock tolerant • 100% tin (lead free) plating option available mm Dimensions ⁄(inches) ELECTRICAL CHARACTERISTICS Drawing Not to Scale Ampere Rating % of Amp Rating Opening Time 250mA - 7A 100% 4 Hours Minimum 1.25A - 3A 200% 60 Seconds Maximum 250mA - 3A 250% 5 Second Maximum 4A - 7A 350% 1 Second Maximum Agency Information • UL Recognition Guide & File numbers: JDYX2 & E19180. • CSA Component Acceptance: 053787 C 000 & Class No: 1422 30. Environmental Data • Thermal Shock: MIL-STD-202, Method 107, Land Pattern Test Condition B • Vibration: MIL-STD-202, Method 204, Test Condition C • Moisture Resistance: MIL-STD-202, Method 106, 10 day cycle • Solderability: ANSI/J-STD-002, Test B Ordering • Specify product code and packaging code Soldering Method • Wave Immersion: 260°C, 10 sec max. • Infrared Reflow: 260°C, 30 sec max. SPECIFICATIONS Voltage Interrupting Resistance Typical Typical 2 Product Code Rating Rating* (ohms)** Melt I t† Voltage AC DC AC/DC Typ. DC Drop (V)‡ 3216FF-250mA 32 V 63 V 50 A 3.50 0.000084 1.4 3216FF-375mA 32 V 63 V 50 A 1.75 0.0002 0.73 3216FF-500mA 32 V 63 V 50 A 0.98 0.0019 0.66 3216FF-750mA 32 V 63 V 50 A 0.75 0.00095 0.63 3216FF-1A 32 V 63 V 50 A 0.219 0.007 0.20 3216FF-1.5A 32 V 63 V 50 A 0.119 0.029 0.18 3216FF-2A 32 V 63 V 50 A 0.066 0.049 0.16 3216FF-2.5A 32 V 63 V 50 A 0.046 0.112 0.14 3216FF-3A 32 V 63 V 50 A 0.036 0.165 0.13 3216FF-4A 32 V 32 V 50 A 0.018 0.189 0.11 3216FF-4.5A 32 V 32 V 50 A 0.016 0.328 0.10 3216FF-5A 32 V 32 V 50 A 0.014 0.619 0.09 3216FF-6.5A 32 V 32 V 50 A 0.0085 3.21 0.076 3216FF-7A 32 V 32 V 50 A 0.0085 3.53 0.078 *AC Interrupting Rating (Measured at rated voltage with a unity power factor); DC Interrupting Rating (Measured at rated voltage, time constant of less than 50 microseconds, battery source) ** DC Cold Resistance (Measured at 10% of rated current) 2 †Typical Melting I t (Measured with a battery bank at rated DC voltage, 10x-rated current, not to exceed IR, time constant of calibrated circuit less than 50 microseconds) (6.5A & 7A measured at interrupting rating) ‡Typical Voltage Drop (Measured at rated current after temperature stabilizes) It is recommended that fuses be mounted with ceramic (white) side facing up. Device designed to carry rated current for four hours minimum. An operating current of 80% or less of rated current is recommended, with further derating required at elevated ambient temperatures. ™ Chip Fuses 3216FF Series, Fast Acting TIME CURRENT CURVE OPTION CODE Option Code Description T 100% tin plating PACKAGING CODE Packaging Code Description SP 50 piece sample pack TR 3,000 pieces of fuses on 8mm tape-and-reel on a 7 inch (178mm) reel per EIA Standard 481 OC-2540 Rev. A 5/03 Visit us on the Web at www.cooperET.com 3601 Quantum Boulevard Boynton Beach, Florida 33426-8638 © Cooper Electronic Technologies 2003 Tel: +1-561-752-5000 Toll Free: +1-888-414-2645 Fax: +1-561-742-1178 This bulletin is intended to present product design solutions and technical information that will help the end user with design applications. Cooper Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.