Room temperature curable organopolysiloxane composition and electric/electronic apparatus

A room temperature curable organopolysiloxane composition comprising:

• (A) about 100 parts by mass of an organopolysiloxane represented by the following general formula:
• X—(SiR12O)m—SiR12—X;
• wherein each R1 is the same or different monovalent hydrocarbon group lacking an aliphatic unsaturated bond, each X is an alkoxysilyl-containing group selected from the group consisting of a group represented by the following general formula:
• —R3—SiR1a(OR2)(3-a),
• a group represented by the following general formula;
• —R3—(SiR12O)n—SiR12—R3—SiR1a(OR2)(3-a),
• and a group represented by the following general formula;
• —R3—(SiR12O)n—SiR1b—[OSiR12—R3—SiR1a(OR2)(3-a)](3-b);
• wherein each R1 is as described above, R2 is an alkyl group, each R3 is the same or different alkylene group, “a” is 0, 1 or 2, “b” is 0 or 1, “n” is an integer of from 1 to 20, and “in” is an integer of from 50 to 1000;
• (B) about 50 to about 200 parts by mass of an organopolysiloxane resin represented by the following average unit formula:
• (R43SiO1/2)c(R42SiO2/2)d(R4SiO3/2)e(ZO1/2)f;
• wherein each R4 is the same or different monovalent hydrocarbon group, each Z is H or an alkyl group, and “c”, “d” and “e” are numbers satisfied by the following conditions:
• 0≤c<0.1, 0.3≤d≤0.6, 0.4≤e≤0.7, and c+d+e=1, and wherein “f′ is a number satisfying that the organopolysiloxane resin contains OZ in a range of from about 30 mol % to about 54 mol % based on Si units;
• (C) about 0.5 to about 20 parts by mass of an alkoxysilane represented by the following general formula:
• R5XSi(OR6)(4-x);
• wherein R5 is a monovalent hydrocarbon group, R6 is an alkyl group, and “x” is an integer of from 0 to 2;
• and
• (D) about 0.1 to about 20 parts by mass of a condensation-reaction catalyst.