Everlight-PT67-21B-L41-TR8-IR-Phototransistor-Everlight-PT67-21B-L41-TR8-A-high-speed-silicon-NPN-epitaxial-planar-phototransistor-in-a-compact-SMD-package-The-device-has-a-fast-response-time-&-high-photo-sensitivity-Everlight-PT67-21B-L41-TR8-IR-Phototransistor