Unclassified 2SA1941 is a TO-3P package PNP transistor primarily built for high-power audio amplification purposes. This article mainly covers pinout, datasheet, equivalents, features, and other details about the 2SA1941 transistor.
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Nov 30, 2021
Kay Locke
2sa1941 and 2sc5198 transistor for amplifier circuit diagram, how to make amplifier?
Unclassified
2SA1941 is a TO-3P package PNP transistor primarily built for high-power audio amplification purposes. This article mainly covers pinout, datasheet, equivalents, features, and other details about the 2SA1941 transistor.
2SA1941-O(S1,E,S)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.11858 | $1.12 |
| 10+ | $1.05527 | $10.55 |
| 100+ | $0.99554 | $99.55 |
| 500+ | $0.93918 | $469.59 |
| 1000+ | $0.88602 | $886.02 |
2SA1941 Pinout
2SA1941 is a PNP transistor with TO-3P packaging that is designed for high-power audio amplification. It is typically used in conjunction with its NPN complementary transistor 2SC5198 to create small and large high-power audio amplifiers. When employed as an audio amplifier, the transistor performs well across the entire range of audio frequencies from 20Hz to 20kHz, resulting in good results. It gives the same sound quality at the output with enhanced amplification.
| Characteristics | Symbol | Rating | Unit |
| Collector Current | I C | -10 | A |
| Collector power dissipation | P C | 100 | W |
| Collector-emitter voltage | V CEO | -140 | V |
| Characteristics | Symbol | Condition | Value | Unit |
| Transition frequency (Typ.) | f T | I C =-1A V CE =-5V | 30 | MHz |
| DC Current Gain hFE (Max) | h FE | I C =-1A V CE =-5V | 160 | - |
| DC Current Gain hFE (Min) | h FE | I C =-1A V CE =-5V | 55 | - |
| Collector Emitter Saturation Voltage (Max) | V CE(sat) | I B =-700mA I C =-7A | -2 | Ⅴ |
2SA1941 Symbol
2SA1941 Footprint
TOSHIBA 2SA1941-O(S1,E,S) technical specifications, attributes, parameters and parts with similar specifications to TOSHIBA 2SA1941-O(S1,E,S).
TOSHIBA 2SA1941-O(S1,E,S) technical specifications, attributes, parameters and parts with similar specifications to TOSHIBA 2SA1941-O(S1,E,S).
| Product Attribute | Attribute Value | |
|---|---|---|
| Package / Case | TO-3P | |
| Current-Collector (Ic) (Max) | 10A | |
| Packaging | Tube-packed |
| Product Attribute | Attribute Value | |
|---|---|---|
| Power - Max | 100W | |
| Transistor Type | PNP | |
| Voltage - Collector Emitter Breakdown (Max) | 140V |
| Product Attribute | Attribute Value | |
|---|---|---|
| RoHS Status | RoHS Compliant |
High breakdown voltage : VCEO = −140 V (min)
Complementary to 2SC5198
Recommended for 70-W high-fidelity audio frequency amplifier output stage
Absolute maximum ratings (Ta=25°C)
Collector to Base Voltage: Vcbo = - 140 V
Collector to Emitter Voltage : Vceo = - 140 V
Emitter to Base Voltage: Vebo = - 5 V
Collector Current: Ic = - 10 A
Total Dissipation: Pc = 100 W
Junction Temperature: Tj = 150°C
Storage Temperature: Tsg = -55 ~ +150°C
Audio Amplifier Stages
Switching load of up to -10A
High voltage applications (Up to 140V)
2SC5198, 2SA2151, 2SB863, 2SA1492 , 2SA1943, 2SA2120, 2SA1491, 2SA1516, 2SA1805, 2SA1146, 2SA1106, 2SB1429, 2SA1265, 2SA1301, 2SA2121, 2SA1302, 2SA1962, 2SA1186
This 2SA1941 transistor is primarily designed for audio amplification; hence it can be utilized in a variety of high and low power audio amplifier final stages. The -10A collector current makes it appropriate for a range of various applications, including switching.
Operate the 2SA1941 transistor 20 percent below its absolute maximum ratings for long-term performance. As a result, do not drive loads greater than -8A and keep the load voltage below 112V. An appropriate heat sink must be used with the transistor, and the transistor must always be stored and operated at temperatures between -55 and +150 degrees Celsius.
2SA1941 Package Dimensions
Toshiba is a world leader and innovator in pioneering high technology, a diversified manufacturer and marketer of advanced electronic and electrical products spanning information & communications systems; digital consumer products; electronic devices and components; power systems, including nuclear energy; industrial and social infrastructure systems; and home appliances. Toshiba was founded in 1875, and today operates a global network of more than 740 companies, with 204,000 employees worldwide and annual sales surpassing 6.3 trillion yen (US$68 billion).
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