october 2007 rev 10 1/9 9 table 1. device summary order code marking package packaging MJD122t4 MJD122 to-252 (dpak) tape & reel MJD122-1 MJD122 to-251 (ipak) tube MJD122 low voltage power darlington transistor features low base drive requirements integrated antiparallel collector-emitter diode through hole to-251 (ipak) power package in tube (suffix ?-1?) surface mounting to-252 (dpak) power package in tape & reel (suffix ?t4?) applications general purpose switching and amplifier description the device is manufactured using epitaxial-base technology for high performance. pnp type is mjd127. figure 1. internal schematic diagram to-251 ipak 3 2 1 1 3 (suffix ?-1?) to-252 dpak (suffix ?t4?) r 1 typ. =10 k w r 2 typ. =150 w www.st.com
electrical ratings MJD122 2/9 1 electrical ratings table 2. absolute maximum rating symbol parameter value unit v cbo collector-base voltage (i e = 0) 100 v v ceo collector-base voltage (i b = 0) 100 v v ebo emitter-base voltage (i c = 0) 5 v i c collector current 8 a i cm collector peak current 16 a i b base current 0.12 a p tot total dissipation at t case = 25c total dissipation at t amb = 25c 20 1.75 w w t stg storage temperature -65 to 150 c t j max. operating junction temperature 150 c
MJD122 electrical characteristics 3/9 2 electrical characteristics (t case = 25c unless otherwise specified) note (1) pulsed duration = 300 s, duty cycle 1.5% 2.1 electrical characteristic (curves) table 3. electrical characteristics symbol parameter test conditions min. typ. max. unit i cbo collector cut-off current (i e = 0) v cb = 100 v 10 a i ceo collector cut-off current (i b = 0) v ce = 50 v 10 a i ebo emitter cut-off current (i c = 0) v eb = 5v 2ma v ceo(sus) (1) collector-emitter sustaining voltage (i b = 0) i c =30 ma 100 v v ce(sat) (1) collector-emitter saturation voltage i c = 4 a _ i b = 16 ma i c = 8 a _ i b = 80 ma 2 4 v v v be(sat) (1) base-emitter saturation voltage i c = 8 a _ i b = 80 ma 4.5 v v be(on) (1) base-emitter on voltage i c = 4 a _ v ce = 4 v 2.8 v h fe dc current gain i c = 4a v ce = 4 v i c = 8 a v ce = 4 v 1000 100 12000 figure 2. safe operating area figure 3. derating curve
electrical characteristics MJD122 4/9 figure 4. collector-emitter saturation voltage figure 5. base-emitter saturation voltage figure 6. base-emitter on voltage figure 7. dc current gain figure 8. resistive load switching time figure 9. freewheel diode forward voltage
MJD122 package mechanical data 5/9 3 package mechanical data in order to meet environmental requirements, st offers these devices in ecopack? packages. these packages have a lead-free second level interconnect. the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com
package mechanical data MJD122 6/9 dim. mm inch min. typ. max. min. typ. max. a 2.20 2.40 0.087 0.094 a1 0.90 1.10 0.035 0.043 a3 0.70 1.30 0.028 0.051 b 0.64 0.90 0.025 0.035 b2 5.20 5.40 0.204 0.213 b3 0.85 0.033 b5 0.30 0.012 b6 0.95 0.037 c 0.45 0.60 0.018 0.024 c2 0.48 0.60 0.019 0.024 d 6.00 6.20 0.237 0.244 e 6.40 6.60 0.252 0.260 g 4.40 4.60 0.173 0.181 h 15.90 16.30 0.626 0.642 l 9.00 9.40 0.354 0.370 l1 0.80 1.20 0.031 0.047 l2 0.80 1.00 0.031 0.039 v1 10 o 10 o p032n_e to-251 (ipak) mechanical data
MJD122 package mechanical data 7/9 dim. mm inch min. typ. max. min. typ. max. a 2.20 2.40 0.087 0.094 a1 0.90 1.10 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.64 0.90 0.025 0.035 b2 5.20 5.40 0.204 0.213 c 0.45 0.60 0.018 0.024 c2 0.48 0.60 0.019 0.024 d 6.00 6.20 0.236 0.244 e 6.40 6.60 0.252 0.260 g 4.40 4.60 0.173 0.181 h 9.35 10.10 0.368 0.398 l2 0.8 0.031 l4 0.60 1.00 0.024 0.039 v2 0 o 8 o 0 o 0 o p032p_b to-252 (dpak) mechanical data
revision history MJD122 8/9 4 revision history table 4. document revision history date revision changes 01-aug-2002 8 01-oct-2007 9 collector current limits have been improved. 03-oct-2007 10 package change from sot-32 to to-252.
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