CTS ® LA-A Series Part Number Semiconductor Case Type *Ø °C/W Commercial Black Military Black “A” Dim. TO-66 14.4 — LAD66A4B 1.00 TO-126/127/220 TO-126/127/220 17.0 LAE66A3CB — 0.75 14.7 LAE66A4CB — 1.00 LA-B Series Semiconductor Case Type *Ø °C/W TO-3 TO-3 TO-3 10.7 10.3 9.3 Part Number Commercial Black Military Black — — LAT03B5CB LAIC3B3B LAT03B4B — “A” Dim. 0.75 1.00 1.25 *Natural convection, case-ambient mounted on G10 board UP and UP1 Series Semiconductor Case Type *Ø °C/W TO-3 TO-3 10.4 7.1 Part Number Commercial Black Military Black UP1-TO3-CB UP-TO3-CB — UP-TO3-B “A” Dim. 0.50 1.00 19 CTS ® PC Series Semiconductor Case Type *Ø °C/W TO-126/127/220 27.3 Part Number Commercial Black “A” Dim. PC1-1CB .38 PA Series Semiconductor Case Type *Ø °C/W Unplated TO-126/127/220 28.8 PA1-1U Part Number Commercial Black PA1-1CB “A” Dim. .50 PSC2 Series Semiconductor Case Type *Ø °C/W Unplated TO-220 36.7 PSC2T2U Part Number Commercial Black PSC2T2CB (Anti-Rotation Tabs) Vertical Tab Mounted Heat Sinks Semiconductor Case Type *Ø °C/W Part Number Commercial Black TO-126/127/220 20.0 PB1-36CB Fig. 1 Fig. 1 *Natural convection, case-ambient mounted on G10 board 20 CTS ® . . _ 20 -- 6 21