EMA4 / UMA4N / EMB4 / UMB4N / UMB8N / FMA4A / IMB4A / IMB8A Transistors General purpose (dual digital transistors) EMA4 / UMA4N / EMB4 / UMB4N / UMB8N / FMA4A / IMB4A / IMB8A !Features 1) Two DTA114T chips in a EMT or UMT or SMT package. !Equivalent circuit EMA4 / UMA4N (3) (2) FMA4A (1) (3) (4) EMB4 / UMB4N IMB4A (3) (4) (2) (1) UMB8N (5) (6) (3) (5) R1 R1 R1 R1 (4) (5) (2) (1) R1 R1 (5) (3) (4) (2) (5) R1 R1 (4) (5) (1) (3) (2) (6) !Absolute maximum ratings (Ta = 25°C) Symbol Limits Unit Collector-base voltage VCBO −50 V Collector-emitter voltage VCEO −50 V Emitter-base voltage VEBO −5 V IC −100 mA Parameter Collector current Power dissipation EMA4 / UMA4N / EMB4 / UMB4N / UMB8N Pd 150(TOTAL) mW 300(TOTAL) FMA4A / IMB4A / IMB8A Junction temperature Storage temperature Tj 150 °C Tstg −55~+150 °C ∗1 ∗2 ∗1 120mW per element must not be exceeded. ∗2 200mW per element must not be exceeded. !Electrical characteristics (Ta = 25°C) Parameter Symbol Min. Typ. Max. Unit Collector-base breakdown voltage BVCBO −50 − − V IC=−50µA Collector-emitter breakdown voltage BVCEO −50 − − V IC=−1mA Emitter-base breakdown voltage Collector cutoff current BVEBO ICBO −5 − − − − −0.5 V µA IE=−50µA VCB=−50V VEB=−4V Collector-emitter saturation voltage Conditions IEBO − − −0.5 µA VCE(sat) − − −0.3 V IC/IB=−10mA/−1mA hFE 100 250 600 − VCE=−5V, IC=−1mA Emitter cutoff current DC current transfer ratio Transition frequency fT − 250 − MHz Input resistance R1 7 10 13 kΩ (6) R1 R1 (6) (1) R1 R1 (4) IMB8A (2) VCE=−10V, IE=5mA, f=100MHz − ∗Transition frequency of the device. !Package, marking, and packaging specifications Type EMA4 UMA4N EMB4 UMB4N UMB8N FMA4A IMB4A IMB8A Package EMT5 UMT5 EMT6 UMT6 UMT6 SMT5 SMT6 SMT6 Marking Code A4 T2R A4 TR B4 T2R B4 TN B8 TR A4 T148 B4 T110 B8 T108 Basic ordering unit (pieces) 8000 3000 8000 3000 3000 3000 3000 3000 ∗ (1) EMA4 / UMA4N / EMB4 / UMB4N / UMB8N / FMA4A / IMB4A / IMB8A Transistors (2) 0.9 0.7 0to0.1 2.0 0.65 1.3 (3) (5) 1.25 0.65 (2) (1) Each lead has same dimensions ROHM : EMT6 0.7 0to0.1 0.5 0.1Min. 0.9 2.1 0.15 1.2 1.6 0.13 (6) (6) (3) 0.5 0.5 1.0 1.6 0.22 0.2 (4) UMB4N / UMB8N (2) EMB4 Each lead has same dimensions ROHM : UMT5 EIAJ : SC-88A (1) Each lead has same dimensions ROHM : EMT5 (5) 1.3 (2) 2.1 0.1Min. (4) (1) (5) 1.25 (1) 0.15 1.2 1.6 0.5 0.13 (5) 0.5 0.5 1.0 1.6 0.22 (3) (4) 2.0 (3) (4) UMA4N 0.2 EMA4 0.65 0.65 !External dimensions (Units : mm) Each lead has same dimensions ROHM : UMT6 EIAJ : SC-88 0to0.1 0.3to0.6 Each lead has same dimensions ROHM : SMT6 EIAJ : SC-74 0.95 0.95 1.9 2.9 (1) (2) 1.1 0.8 0to0.1 1.1 0.15 2.8 0.8 0.15 ROHM : SMT5 EIAJ : SC-74A (3) (4) 1.6 1.6 2.8 0.3to0.6 (6) (5) 2.9 (3) (4) (5) (1) 0.95 0.95 1.9 (2) 0.3 0.3 IMB4A / IMB8A EMA4A Each lead has same dimensions