SUR521H Semiconductor Epitaxial Planar Type NPN Silicon Transistor Description • Digital transistor Features • Two SRC1207 chips in SOT-353 package • With built-in bias resistors Ordering Information Type NO. Marking SUR521H Package Code 2X SOT-353 Outline Dimensions unit : 2.1 BSC 3 2 mm 1 1.25 BSC R1 R1 Tr2 R2 5 3 4 4 Tr2 R2 R1 Tr1 5 Tr1 4 6 5 R1 0.25 Min. R2 Tr1 10KΩ 47KΩ Tr2 10KΩ 47KΩ PIN Connections 1. Base 1 2. Emitter 1,2 3. Base 2 4. Collector 2 5. Collector 1 0.1~0.25 0~0.1 0.9±0.1 0.15~0.30 2 2.0 BSC Tr2R2 1.30 BSC 1● KST-5007-000 1 SUR521H Absolute maximum ratings (Tr1, Tr2 : NPN) Characteristic Ta=25°C Symbol Ratings Unit Out Voltage VO 50 V Input Voltage VI 20 V Out Current IO 100 mA Power Dissipation PD 150 mW Junction Temperature TJ 150 °C Storage Temperature TSTG -55 ~ 150 °C Electrical Characteristics(Tr1, Tr2 : NPN) Characteristic Output Cut-off Current DC Current Gain Symbol IO(OFF) GI Ta=25°C Test Condition VO=50V, VI=0 VO=5V, IO=10mA Min. Typ. Max. Unit - - 500 nA 80 150 - - Output Voltage VO(ON) IO=10mA, II=0.5mA - 0.1 0.3 V Input Voltage (ON) VI(ON) VO=0.2V, IO=5mA - - 1.8 V Input Voltage (OFF) VI(OFF) VO=5V, IO=0.1mA 0.5 - - V VO=10V, IO=5mA - 200 - MHz VI=5V - - 0.88 mA * Transition Frequency fT Input Current II * : Characteristic of Transistor Only KST-5007-000 2 SUR521H Electrical Characteristic Curves Tr1, Tr2 : NPN Fig. 1 IO - VI(ON) Fig. 2 IO - VI(OFF) Fig. 3 GI - IO KST-5007-000 3