3DD9 Specs and Replacement
Type Designator: 3DD9
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 150 W
Maximum Collector-Emitter Voltage |Vce|: 50 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 15 A
Max. Operating Junction Temperature (Tj): 175 °C
Electrical Characteristics
Forward Current Transfer Ratio (hFE), MIN: 15
Noise Figure, dB: -
Package: TO3
- BJT ⓘ Cross-Reference Search
3DD9 datasheet
..1. Size:28K shaanxi
3dd9.pdf 
Shaanxi Qunli Electric Co., Ltd Add. No. 1 Qunli Road,Baoji City,Shaanxi,China 3DD9 NPN Silicon Low Frequency High Power Transistor Features 1. Using triple-diffusion process.Excellent capacity in anti-burnout.Excellent second breakdown capacity. 2. Good temperature stability.Excellent thermal fatigue capability. 3. Implementation of standards GJB33 A-97, QZJ840611A, QZJ840611 4.... See More ⇒
0.1. Size:153K china
3dd9d.pdf
3DD9D T NPN PCM TC 75 150 W ICM 15 A Tjm 175 Tstg -55 150 V(BR)CBO ICB=10mA 250 V V(BR)CEO ICE=10mA 200 V V(BR)EBO IEB=20mA 3.0 V ICEO VCE=30V 3.0 mA VBEsat 1.8 IC=7.5A V IB=1.5A VCEsat 2.0 VCE=10V hFE 10 150 IC=7.5A ... See More ⇒
0.4. Size:23K shaanxi
d3dd9d.pdf
Shaanxi Qunli Electric Co., Ltd Add. No. 1 Qunli Road,Baoji City,Shaanxi,China D3DD9D NPN Silicon Darlington High Power Transistor Features 1. Using triple-diffusion process.High output current. Small driving power. 2. Highest amplification factor. High inverse voltage. 3. Implementation of standards GJB33 A-97, QZJ840611A, QZJ840611 4. Use for current output,voltage adjustment a... See More ⇒
0.5. Size:193K inchange semiconductor
3dd9d.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9D DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.6. Size:193K inchange semiconductor
3dd9g.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9G DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.7. Size:193K inchange semiconductor
3dd9a.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9A DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.8. Size:193K inchange semiconductor
3dd9c.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9C DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.9. Size:193K inchange semiconductor
3dd9i.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9I DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.10. Size:193K inchange semiconductor
3dd9b.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9B DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.11. Size:193K inchange semiconductor
3dd9h.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9H DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
0.12. Size:193K inchange semiconductor
3dd9e.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 3DD9E DESCRIPTION With TO-3 packaging Large collector current Low collector saturation voltage High power dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in DC-DC converter Driver of solenoid or motor For audio amplifier applications A... See More ⇒
Detailed specifications: 3DD741A8, 3DD742A8, 3DD7525A3, 3DD8, 3DD810, 3DD820, 3DD831, 3DD8E, B772, 3DD99, 3DD9D, 3DD9E, 3DF05, 3DF1, 3DF5, 3DG100, 3DG1009A
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