In a Tube of 100, Toshiba 2SA1943-O(Q) PNP Transistor, 15 A, 230 V, 3-Pin TO-3PL The 2SA1943 is a high power PNP transistor originally from Toshiba. This article will unlock more details about 2SA1943, and more, there is a huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ.
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Sep 22, 2021
Bruno Raphael
DIY Powerful Ultra Bass Audio Amplifier Using 2SC5200 and 2SA1943 / Output Capacitors
In a Tube of 100, Toshiba 2SA1943-O(Q) PNP Transistor, 15 A, 230 V, 3-Pin TO-3PL
The 2SA1943 is a high power PNP transistor originally from Toshiba. This article will unlock more details about 2SA1943, and more, there is a huge range of Semiconductors, Capacitors, Resistors and ICs in stock. Welcome RFQ.
2SA1943-O(Q)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.85495 | $3.85 |
| 10+ | $3.63674 | $36.37 |
| 100+ | $3.43089 | $343.09 |
| 500+ | $3.23669 | $1618.35 |
| 1000+ | $3.05348 | $3053.48 |
2SA1943 Pinout
| Pin Number | Pin Name | Pin Description |
| 1 | Base | Controls the biasing of the transistor, Used to turn ON or OFF the transistor |
| 2 | Collector | Current flows in through collector, normally connected to load |
| 3 | Emitter | Current Drains out through emitter, normally connected to ground |
2SA1943 Symbol
2SA1943 Footprint
2SA1943 3D Model
The 2SA1943 is a Toshiba-designed high-power PNP transistor. It is frequently employed in high-power audio circuits or AF amplifiers due to its high current gain and collector current.
Toshiba Semiconductor and Storage 2SA1943-O(Q) technical specifications, attributes, parameters and parts with similar specifications to Toshiba Semiconductor and Storage 2SA1943-O(Q).
Toshiba Semiconductor and Storage 2SA1943-O(Q) technical specifications, attributes, parameters and parts with similar specifications to Toshiba Semiconductor and Storage 2SA1943-O(Q).
| Product Attribute | Attribute Value | |
|---|---|---|
| Factory Lead Time | 12 Weeks | |
| Contact Plating | Copper, Silver, Tin | |
| Mount | Through Hole | |
| Mounting Type | Through Hole | |
| Package / Case | TO-3PL | |
| Number of Pins | 3Pins | |
| Collector-Emitter Breakdown Voltage | 230V | |
| Collector-Emitter Saturation Voltage | -3V | |
| Number of Elements | 1 Element | |
| hFEMin | 80 | |
| Operating Temperature | 150°C TJ | |
| Packaging | Tube | |
| Published | 2000 |
| Product Attribute | Attribute Value | |
|---|---|---|
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | Not Applicable | |
| Voltage - Rated DC | -230V | |
| Max Power Dissipation | 150W | |
| Current Rating | -15A | |
| Frequency | 30MHz | |
| Base Part Number | 2SA1943 | |
| Element Configuration | Single | |
| Power Dissipation | 150W | |
| Gain Bandwidth Product | 30MHz | |
| Transistor Type | PNP | |
| Collector Emitter Voltage (VCEO) | 230V | |
| Max Collector Current | 15A |
| Product Attribute | Attribute Value | |
|---|---|---|
| DC Current Gain (hFE) (Min) @ Ic, Vce | 80 @ 1A 5V | |
| Current - Collector Cutoff (Max) | 5μA ICBO | |
| Vce Saturation (Max) @ Ib, Ic | 3V @ 800mA, 8A | |
| Collector Base Voltage (VCBO) | 230V | |
| Emitter Base Voltage (VEBO) | 5V | |
| Height | 26mm | |
| Length | 20.5mm | |
| Width | 5.2mm | |
| Radiation Hardening | No | |
| RoHS Status | RoHS Compliant | |
| Lead Free | Lead Free |
High-power PNP Transistor
DC Current Gain (hFE) 55 to 160
Continuous Collector current (IC) is 15A
Collector-Emitter voltage (VCE) is 230 V
Collector-Base voltage (VCB) is 230V
Emitter Base Voltage (VBE) is 5V
Available in To-264 Package
Audio frequency Amplifier
AF /RF circuits
Low Slew rate devices
Push-Pull configuration circuits
high current switching (up to 15A) loads
Can be used as medium Power switches
The 2SA1943 is mostly employed in amplifier circuits. The majority of amplifiers use a push-pull circuit similar to that of a Class B amplifier, which requires both an NPN and a PNP transistor. The 2SA1943 is a PNP transistor that also has an NPN counterpart, the 2SE5200. Both of these transistors are frequently combined in the design of high-power amplifiers.
Transistors heat up quickly due to their high switching frequency and collector current, hence they are always used in conjunction with a heat sink. It's worth noting that the heat sink will also serve as the transistor's collector pin, thus it should be separated from the rest of the circuit.
These transistors are often used in stereo systems rated at 200W or more, and they have a sensitivity of 0.75Vrms and can respond to frequencies ranging from 5Hz to 100kHz. It is useful for audio applications since it has a low signal-to-noise ratio and low total harmonic distortion.
Download datasheets and manufacturer documentation for Toshiba Semiconductor and Storage 2SA1943-O(Q).
Download datasheets and manufacturer documentation for 2SA1943-O(Q)
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