C308F EATON | Alldatasheet

Document overview

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Technical content

A compact 3 mm x 8.4 mm fuse provides a space saving alternative to conventional fuse solutions with high interrupting rating for primary and secondary circuit protection up to 250 Vac/dc and 250 mA

  • Meets electrical perfomance specifications for intrinsically safe (EN60079-11) applications
  • Fast-acting, high interrupting rating of

4000 A at 250 Vac/dc

  • Ceramic tube, silver plated brass end cap construction
  • Optional axial leads (tinned copper axial leads construction)
  • RoHS compliant Agency information
  • cURus Recognition file number: E19180, Guide JDYX2/JDYX8

Applications

  • Hazardous environments
  • Petrochemical processing and refining equipment
  • Pulp and paper processing equipment
  • Intrinsically safe network barriers Packaging
  • Specify part number and packaging suffix.
  • Package suffixes: Ferrule
  • -TR (500 fuses on tape and reel)
  • -TR1 (1000 fuses on tape and reel) Axial leaded
  • TR1 (axial leaded version, 1500 fuses on tape and reel) Ordering
  • Specify part number and packaging suffix (e.g., C308F-V-160mA-TR1) C308F 3 mm x 8.4 mm fast-acting, ceramic tube fuses for hazardous applications

3 mm x 8.4 mm fast-acting, ceramic tube fuses for hazardous applications www.eaton.com/electronics Product specifications Part number Voltage rating Vac/dc Color coding Interrupting rating @ 250 Vac/dc (A)* Typical DC cold resistance (Ω) Typical melting I²T* Agency Information cURusFerrule Axial lead C308F40mA C308F-V-40mA 250 Grey 4000 14.2 0.00006 X C308F50mA C308F-V-50mA Red 9.40 0.00010 X C308F63mA C308F-V-63mA Pink 8.80 0.00012 X C308F80mA C308F-V-80mA Green 5.10 0.00018 X C308F100mA C308F-V-100mA Yellow 2.87 0.00087 X C308F125mA C308F-V-125mA Orange 2.20 0.00134 X C308F160mA C308F-V-160mA Violet 2.05 0.00166 X C308F200mA C308F-V-200mA Brown 1.01 0.00237 X C308F250mA C308F-V-250mA Black 0.71 0.00530 X * AC Interrupting Rating (4000 A, PF = 0.4); DC Interrupting Rating measured at rated voltage, time constant 4 microseconds, battery source. DC Cold Resistance (Measured at ≤10% of rated current). * Typical I2t measured at 10In.

Electrical characteristics

Amp Rating % of Amp Rating Opening Time 40 mA ~ 250 mA 110% 4 hours, min 300% 10 seconds, max 1000% 0.002 seconds, max Environmental data

  • Operating temperature: -55 °C to +125 °C (with derating)
  • Thermal Shock: MIL -STD-202G, Method 107G (Test Condition 5 cycles -55 °C to 125 °C)
  • Resistance to Solder Heat: MIL -STD-202G Method 210F
  • Vibration: MIL -STD-202G, Method 201A (10 Hz to 55 Hz) Condition A, “-V” axial leaded version IEC60068-2-6
  • Solderability: J-STD-002C, Test Method C1, “-V” axial leaded version IEC60127-2/A3.3
  • Component Life Reliability: +125 °C, 500 hours Dimensions–mm

3 mm x 8.4 mm fast-acting, ceramic tube fuses for hazardous applications www.eaton.com/electronics Average time-current curves Time (s) Current (A) T emperature derating curve Percentage of rating Current (A) T emperature (°C)

3 mm x 8.4 mm fast-acting, ceramic tube fuses for hazardous applications www.eaton.com/electronics Temperature t tP ts TC -5°C Time 25°C to Peak Time 25°C Tsmin Tsmax TL TP Preheat A Max. Ramp Up Rate = 3°C/s Max. Ramp Down Rate = 6°C/s Surface mounting soldering parameters (Ferrule)

  • Reflow solder: JEDEC J-STD-020 Tc = 250°C. Tp = 30s
  • Wave and manual solder is not recommended Reference JDEC J-STD-020 Profile Feature Standard SnPb Solder Lead (Pb) Free Solder Preheat and Soak • Temperature min. (Tsmin) 100 °C 150 °C
  • Temperature max. (Tsmax) 150 °C 200 °C
  • Time (Tsmin to Tsmax) (ts) 60-120 Seconds 60-120 Seconds Average ramp up rate Tsmax to Tp 3 °C/ Second Max. 3 °C/ Second Max. Liquidous temperature (Tl) Time at liquidous (tL) 183 °C 60-150 Seconds 217 °C 60-150 Seconds Peak package body temperature (TP)* Table 1 Table 2 Time (tp) within 5 °C of the specified classification temperature (T c) 20 Seconds 30 Seconds** Average ramp-down rate (Tp to Tsmax) 6 °C/ Second Max. 6 °C/ Second Max. Time 25 °C to Peak Temperature 6 Minutes Max. 8 Minutes Max. * Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum. ** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum. Table 1 - Standard SnPb Solder (Tc) Package Thickness Volume mm3 <350 Volume mm3 ≥350 ≥2.5mm 220°C 220°C Table 2 - Lead (Pb) Free Solder (Tc) Package Thickness Volume mm3 <350 Volume mm3 350 - 2000 Volume mm3 >2000 <1.6mm 260°C 260°C 260°C 1.6 – 2.5mm 260°C 250°C 245°C >2.5mm 250°C 245°C 245°C

1000 Eaton Boulevard

Cleveland, OH 44122 United States www.eaton.com/electronics © 2019 Eaton All Rights Reserved Printed in USA Publication No. 4405 — BU-MC15048 March 2019 Eaton is a registered trademark. All other trademarks are property of their respective owners. Technical Data 4405 Effective March 2019 C308F 3 mm x 8.4 mm fast-acting, ceramic tube fuses for hazardous applications Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Through hole wave solder profile (Axial lead) Reflow soldering not recommended Reference EN 61760-1:2006 Profile Feature Standard SnPb Solder Lead (Pb) Free Solder Preheat • Temperature min. (T smin) 100°C 100°C

  • Temperature typ. (Tstyp) 120°C 120°C
  • Temperature max. (Tsmax) 130°C 130°C
  • Time (Tsmin to Tsmax) (ts) 70 seconds 70 seconds D preheat to max Temperature 150°C max. 150°C max. Peak temperature (TP)* 235°C – 260°C 250°C – 260°C Time at peak temperature (tp) 10 seconds max 5 seconds max each wave 10 seconds max 5 seconds max each wave Ramp-down rate ~ 2 K/s min ~3.5 K/s typ ~5 K/s max ~ 2 K/s min ~3.5 K/s typ ~5 K/s max Time 25°C to 25°C 4 minutes 4 minutes Manual solder 350 °C, 4-5 seconds. (by soldering iron), generally manual, hand soldering is not recommended. Temperature Time Tsmin Tsmax Tstyp Tp tp First Wave Second Wave Preheat area Cool down area