Gas Discharge Tube PRODUCT: GTCA28-212M-R03 DOCUMENT: SCD28002 Over-Voltage Protection Device REV LETTER: C REV DATE: JULY 26, 2016 PAGE NO.: 1 OF 2 Specification Status: Released Marking: TABLE I. DIMENSIONS: A B D1 D2 MIN MAX MIN MAX MIN MAX NOM mm 58.0 66.0 5.8 6.2 7.8 8.2 0.8 in* (2.28) (2.60) (0.23) (0.24) (0.31) (0.32) (0.03) *Rounded off approximation TABLE II. ELECTRICAL CHARACTERISTICS: Impulse Insulation Impulse Discharge DC Sparkover Capacitanc AC Discharge Current, Sparkover Resistanc Current, Voltage e 50 Hz Voltage e 8/20 μs Multiple Hits 10 hits (5hits Single hit, @ 100V/s @100V/μs @500V @1MHz (1s duration: 10 for each 1hit DC 9 cycles hits) polarity) ≥ 2100V ± 20% ≤2,700V <1.0pF 1A 5A 3kA 10kA 10,000MΩ General Characteristics: No Radioactive Materials Storage temperature: -40°C … +90°C Operating temperature: -40°C … +90°C Electrode: Fe-Ni alloy, Ni plated Lead: Sn Plated Copper Agency Recognitions: UL1449 Recognized (File# E332226) Precedence: This specification takes precedence over documents referenced herein Effectivity: Reference documents shall be the issue in effect on the date of invitation for bid CAUTION: Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame Materials Information ROHS Compliant ELV Compliant Pb-Free © 2016 Littelfuse,Inc. littelfuse.com Specifications are subject to change without notice. Revised July 26, 2016

Gas Discharge Tube PRODUCT: GTCA28-212M-R03 DOCUMENT: SCD28002 Over-Voltage Protection Device REV LETTER: C REV DATE: JULY 26, 2016 PAGE NO.: 2 OF 2 © 2016 Littelfuse,Inc. littelfuse.com Specifications are subject to change without notice. Revised July 26, 2016