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| EMB2 / UMB2N / IMB2A Transistors General purpose (dual digital transistors) EMB2 / UMB2N / IMB2A Features 1) Two DTA144E chips in a EMT or UMT or SMT package. 2) Same size as EMT3 or UMT3 or SMT3 package, so same mounting machine can be used for both. 3) Transistor elements are independent, eliminating interference. External dimensions (Units : mm) EMB2 0.22 (4) (5) (6) (3) (2) 1.2 1.6 (1) 0.13 Each lead has same dimensions ROHM : EMT6 Abbreviated symbol : B2 1.3 0.65 0.8 1.1 0.95 0.95 1.9 2.9 0.7 0.9 Structure Epitaxial planar type PNP silicon transistor (Built-in resistor type) UMB2N (4) 0.65 (3) 0.5 0.5 0.5 1.0 1.6 0.2 (6) 1.25 0.15 The following characteristics apply to both DTr1 and DTr2. 2.1 0.1Min. 0to0.1 Equivalent circuit EMB2 / UMB2N (3) (2) (1) R1 R2 DTr1 R1=47k R2=47k DTr2 R2 R1 (4) (5) DTr2 R2 R1 (3) (2) IMB2A (4) (5) (6) R1 R2 DTr1 R1=47k R2=47k (1) ROHM : UMT6 EIAJ : SC-88 Abbreviated symbol : B2 IMB2A (6) 0.3 (4) (5) (6) 1.6 2.8 0.15 Absolute maximum ratings (Ta = 25C) Parameter Supply voltage Input voltage Symbol VCC VIN IO IC (Max.) Pd Tj Tstg Limits -50 -40 10 Output current EMB2, UMB2N Power dissipation IMB2A Junction temperature Storage temperature -30 -100 150 (TOTAL) 300 (TOTAL) 150 -55+150 C C Unit V V 0.3to0.6 0to0.1 (3) (2) (1) ROHM : SMT6 EIAJ : SC-74 Abbreviated symbol : B2 mA mW 1 2 1 120mW per element must not be exceeded. 2 200mW per element must not be exceeded. (1) Each lead has same dimensions Each lead has same dimensions 2.0 (5) (2) EMB2 / UMB2N / IMB2A Transistors Electrical characteristics (Ta = 25C) Parameter Input voltage Output voltage Input current Output current DC current gain Transition frequency Input resistance Resistance ratio Symbol VI (off) VI (on) VO (on) II IO (off) GI fT R1 R2 / R1 Min. - -3 - - - 68 - 32.9 0.8 Typ. - - -0.1 - - - 250 47 1 Max. -0.5 - -0.3 -0.18 -0.5 - - 61.1 1.2 Unit V V mA A - MHz k - Conditions VCC=-5V, IO=-100A VO=-0.3V, IO=-2mA IO/II=-10mA/-0.5mA VI=-5V VCC=-50V, VI=0V VO=-5V, IO=-5mA VCE=-10mA, IE=5mA, f=100MHZ - - Transition frequency of the device Packaging specifications Package Code Type EMB2 UMB2N IMB2A Basic ordering unit (pieces) T2R 8000 Taping TR 3000 T148 3000 Electrical characteristic curves -100 -50 VO=-0.3V OUTPUT CURRENT : Io (A) -10m -5m -2m -1m -500 -200 -100 -50 -20 -10 -5 -2 VCC=-5V Ta=100C 25C -40C 1k 500 VO=-5V Ta=100C 25C -40C INPUT VOLTAGE : VI (on) (V) DC CURRENT GAIN : GI -20 -10 -5 -2 -1 200 100 50 20 10 5 2 1 Ta=-40C 25C 100C -500m -200m -100m -100 -200 -500 -1m -2m -5m -10m -20m -50m -100m -1 0 -0.5 -1 -1.5 -2 -2.5 -3 -100 -200 -500 -1m -2m -5m -10m -20m -50m-100m OUTPUT CURRENT : IO (A) INPUT VOLTAGE : VI (off) (V) OUTPUT CURRENT : IO (A) Fig.1 Input voltage vs. output current (ON characteristics) -1 -500m Fig.2 Output current vs. input voltage (OFF characteristics) Fig.3 DC current gain vs. output current lO/lI =20 Ta=100C 25C -40C OUTPUT VOLTAGE : VO (on) (V) -200m -100m -50m -20m -10m -5m -2m -1m -100 -200 -500 -1m -2m -5m -10m -20m -50m-100m OUTPUT CURRENT : IO (A) Fig.4 Output voltage vs. output current |
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