2SD1221O Datasheet. Specs and Replacement
Type Designator: 2SD1221O
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 1 W
Maximum Collector-Base Voltage |Vcb|: 60 V
Maximum Collector-Emitter Voltage |Vce|: 60 V
Maximum Emitter-Base Voltage |Veb|: 7 V
Maximum Collector Current |Ic max|: 3 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 3 MHz
Collector Capacitance (Cc): 70 pF
Forward Current Transfer Ratio (hFE), MIN: 60
Noise Figure, dB: -
Package: TO251
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2SD1221O datasheet
7.1. Size:163K toshiba
2sd1221.pdf 
2SD1221 TOSHIBA Transistor Silicon NPN Diffused Type (PCT process) 2SD1221 Audio Frequency Power Amplifier Application Unit mm Low collector saturation voltage V = 4.0 V (typ.) (I = 3 A, I = 0.3 A) CE (sat) C B High power dissipation P = 20 W (Tc = 25 C) C Complementary to 2SB906 Maximum Ratings (Ta = 25 C) Characteristics Symbol Rating Unit Collector-b... See More ⇒
7.2. Size:1307K kexin
2sd1221.pdf
SMD Type Transistors NPN Transistors 2SD1221 TO-252 Unit mm 6.50+0.15 -0.15 +0.1 2.30 -0.1 Features 5.30+0.2 0.50 +0.8 -0.2 -0.7 Low collector saturation voltage VCE (sat) = 0.4 V (typ.) (IC = 3 A, IB = 0.3 A) High power dissipation PC = 20 W (Tc = 25 C) 0.127 0.80+0.1 max -0.1 Complementary to 2SB906 2.3 0.60+ 0.1 1 Base - 0.1 +0.15 4.60 -0.15 2 ... See More ⇒
8.3. Size:183K toshiba
2sd1222.pdf
2SD1222 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) (darlington) 2SD1222 Switching Applications Unit mm Hammer Drive, Pulse Motor Drive Applications Power Amplifier Applications High DC current gain hFE = 2000 (min) (V = 2 V, I = 1 A) CE C Low saturation voltage V = 1.5 V (max) (I = 2 A) CE (sat) C Complementary to 2SB907. Maximum Ratings (T... See More ⇒
8.4. Size:188K toshiba
2sd1220.pdf
2SD1220 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) 2SD1220 Power Amplifier Applications Unit mm Complementary to 2SB905 Maximum Ratings (Ta = 25 C) Characteristics Symbol Rating Unit Collector-base voltage VCBO 150 V Collector-emitter voltage VCEO 150 V Emitter-base voltage VEBO 6 V Collector current IC 1.5 A Base current IB 1.0 A Ta = 25 C 1.0 Col... See More ⇒
8.5. Size:162K toshiba
2sd1224.pdf
2SD1224 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT process) (darlington) 2SD1224 Pulse Motor Drive, Hammer Drive Applications Unit mm Switching Applications Power Amplifier Applications High DC current gain hFE = 4000 (min) (V = 2 V, I = 150 mA) CE C Low saturation voltage V = 1.5 V (max) (I = 1 A, I = 1 mA) CE (sat) C B Maximum Ratings (Ta = 25 C) Cha... See More ⇒
8.6. Size:157K toshiba
2sd1223.pdf
2SD1223 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT Process) (Darlington) 2SD1223 Switching Applications Unit mm Hammer Drive, Pulse Motor Drive Applications Power Amplifier Applications High DC current gain hFE = 2000 (min) (VCE = 2 V, IC = 1 A) Low saturation voltage VCE (sat) = 1.5 V (max) (IC = 3 A) Complementary to 2SB908. Absolute Maximum Ratings ... See More ⇒
8.7. Size:126K sanyo
2sd1229.pdf
Ordering number 1028B PNP/NPN Epitaxial Planar Silicon Darlington Transistors 2SB912/2SD1229 Driver Applications Applications Package Dimensions Motor drivers, printer hammer drivers, relay drivers, unit mm voltage reguraltor control. 2022A [2SB912/2SD1229] Features High DC current gain. High current capacity and wide ASO. Low saturation voltage. 1 Base 2 Coll... See More ⇒
8.11. Size:216K inchange semiconductor
2sd1229.pdf
isc Silicon NPN Darlington Power Transistor 2SD1229 DESCRIPTION High DC Current Gain h = 2000(Min.)@ I = 5A, V = 2V FE C CE Collector-Emitter Breakdown Voltage- V = 60V(Min.) (BR)CEO Complement to Type 2SB912 Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for motor drivers, printer hammer drivers, relay drivers... See More ⇒
8.12. Size:215K inchange semiconductor
2sd1223.pdf
INCHANGE Semiconductor isc Silicon NPN Darlington Power Transistor 2SD1223 DESCRIPTION High DC Current Gain- h = 2000(Min)@ I = 4A FE C Collector-Emitter Sustaining Voltage- V = 80V(Min) CEO(SUS) Low Collector-Emitter Saturation Voltage- V = 1.5V(Max)@ I = 3A CE(sat) C Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS ... See More ⇒
Detailed specifications: 2SD1219, 2SD121H, 2SD122, 2SD1220, 2SD1220R, 2SD1220Y, 2SD1221, 2SD1221GR, BC556, 2SD1221Y, 2SD1222, 2SD1223, 2SD1224, 2SD1225M, 2SD1226M, 2SD1227M, 2SD1228M
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