| 2SB1239 |  | ROHM | Power Transistor (-40V, -2A) | Original | PDF | 42.91KB | 1 | 
| 2SB1239 |  | ROHM | Power transistor | Original | PDF | 56.16KB | 1 | 
| 2SB1239 |  | Unknown | Japanese Transistor Cross References (2S) | Scan | PDF | 36.53KB | 1 | 
| 2SB1239 |  | Unknown | The Transistor Manual (Japanese) 1993 | Scan | PDF | 99.9KB | 2 | 
| 2SB1239 |  | Unknown | Transistor Substitution Data Book 1993 | Scan | PDF | 37.37KB | 1 | 
| 2SB1239 |  | Unknown | Shortform IC and Component Datasheets (Plus Cross Reference Data) | Short Form | PDF | 113.13KB | 1 | 
| 2SB1239 |  | Unknown | Shortform Data and Cross References (Misc Datasheets) | Short Form | PDF | 40.87KB | 1 | 
| 2SB1239 |  | ROHM | ATR, ATV Transistors | Scan | PDF | 200.06KB | 2 | 
| 2SB1239 |  | ROHM | ATR / ATV Transistors | Scan | PDF | 112.69KB | 2 | 
| 2SB1239T146 |  | ROHM | TRANS DARLINGTON PNP 40V 2A 3ATV T/R | Original | PDF | 65.22KB | 2 | 
| 2SB1239T146 |  | ROHM | Power Transistor (-40 V, -2 A) | Original | PDF | 56.16KB | 1 | 
| 2SB1239TV2 |  | ROHM | TRANS DARLINGTON PNP 40V 2A 3ATV | Original | PDF | 65.22KB | 2 | 
| 2SB1239TV2 |  | ROHM | Transistors (BJT) - Single, Discrete Semiconductor Products, TRANS DARL PNP 40V 2A ATV TB | Original | PDF |  | 1 |