BTA41-600B/800B BTA41-600BQ BTA41-600BRG BTA41-600BRG (PHILIPPINE) BTA41-600BRG 双向可控硅 BTA41-600BRG(菲律宾) BTA41-600BW BTA41-600BW/800BW BTA41-600BWRG BTA41-600C