# Bipolar (BJT) Single Transistor, PNP, 300 V, 1 A, 1.58 W, E-Line, Through Hole

![Product image](https://novapart.co/image/farnell:3943346/)

**URL**: https://novapart.co/products/ZTX957/bipolar-bjt-single-transistor-pnp-300-v-1-a-158-w
**SKU**: ZTX957
**Manufacturer**: DIODES INC.
**Price**: €0.4440
**Stock**: 1000+
**Lead Time**: 78 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | ZTX Series |
| Qualification | - |
| Power Dissipation | 1.58W |
| Transistor Mounting | Through Hole |
| Transistor Polarity | PNP |
| Transition Frequency | 85MHz |
| Transistor Case Style | E-Line |
| Dc Current Gain Hfe Min | 90hFE |
| Operating Temperature Max | 200°C |
| Continuous Collector Current | 1A |
| Collector Emitter Voltage Max | 300V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3943346/)

ZTX957 

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ELECTRICAL CHARACTERISTICS (at Tamb = 25°C)<br>PARAMETER SYMBOL UNIT | CONDITIONS.<br>-<br>Base-Emitter<br>Turn-On Voltage Vee(on) -710 mV IC=-1A, Vog=-10V*<br>Static Forward hee 100 200 |=-10mA, Vo=-10V*<br>Current Transfer Ratio 100 | 200 | 300 Ic=-0.5A, Vog=-10V*<br>90 170 Ic=-1A, Vep=-10V*<br>10 Ic=-2A, Vep=-10V*<br>a<br>**----- End of picture text -----**<br>


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PNP SILICON PLANAR MEDIUM POWER<br>HIGH CURRENT TRANSISTOR ZTX957<br>ISSUE 3 - JUNE JUNE 94<br>FEATURES<br>“1 Amp continuous Amp continuous continuous current<br>* Up to 2 Amps peak current to 2 Amps peak current Amps peak current peak current current<br>x Very low saturation: saturation:: voltage<br>* Excellent gain gain characteritics up to to 1 Amp Amp<br>* Spice model model available C<br>E<br>E-Line<br>**----- End of picture text -----**<br>


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ISSUE 3 - JUNE JUNE 94<br>FEATURES<br>“1 Amp continuous Amp continuous continuous current<br>* Up to 2 Amps peak current to 2 Amps peak current Amps peak current peak current current<br>x Very low saturation: saturation:: voltage<br>* Excellent gain gain characteritics up to to 1 Amp Amp<br>* Spice model model available<br>**----- End of picture text -----**<br>


ZTX957 

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**----- Start of picture text -----**<br>
ELECTRICAL CHARACTERISTICS (at Tamb = 25°C)<br>PARAMETER SYMBOL UNIT | CONDITIONS.<br>-<br>Base-Emitter<br>Turn-On Voltage Vee(on) -710 mV IC=-1A, Vog=-10V*<br>Static Forward hee 100 200 |=-10mA, Vo=-10V*<br>Current Transfer Ratio 100 | 200 | 300 Ic=-0.5A, Vog=-10V*<br>90 170 Ic=-1A, Vep=-10V*<br>10 Ic=-2A, Vep=-10V*<br>a<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
PNP SILICON PLANAR MEDIUM POWER<br>HIGH CURRENT TRANSISTOR ZTX957<br>ISSUE 3 - JUNE JUNE 94<br>FEATURES<br>“1 Amp continuous Amp continuous continuous current<br>* Up to 2 Amps peak current to 2 Amps peak current Amps peak current peak current current<br>x Very low saturation: saturation:: voltage<br>* Excellent gain gain characteritics up to to 1 Amp Amp<br>* Spice model model available C<br>E<br>E-Line<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
ISSUE 3 - JUNE JUNE 94<br>FEATURES<br>“1 Amp continuous Amp continuous continuous current<br>* Up to 2 Amps peak current to 2 Amps peak current Amps peak current peak current current<br>x Very low saturation: saturation:: voltage<br>* Excellent gain gain characteritics up to to 1 Amp Amp<br>* Spice model model available<br>**----- End of picture text -----**<br>


## **������** 

## **TYPICAL CHARACTERISTICS** 

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**----- Start of picture text -----**<br>
1.6 IC/IB=5 Tamb=25°C 1.6           -55°C         +25°C IC/IB=5<br>IC/IB=20      +175°C<br>1.4 1.4<br>1.2 1.2<br>1.0 1.0<br>0.8 0.8<br>0.6 0.6<br>0.4 0.4<br>0.2 0.2<br>- (Volts)<br>CE(sat)<br> V<br>**----- End of picture text -----**<br>




## Links

- [View this product on Novapart](https://novapart.co/products/ZTX957/bipolar-bjt-single-transistor-pnp-300-v-1-a-158-w)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/diodes-inc/ztx957/trans-pnp-300v-1a-200deg-c-1-58w/dp/3943346)
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