# Bipolar (BJT) Single Transistor, PNP, 30 V, 4.5 A, 1.58 W, E-Line, Through Hole ![Product image](https://novapart.co/image/farnell:3943344/) **URL**: https://novapart.co/products/ZTX949/bipolar-bjt-single-transistor-pnp-30-v-45-a-158-w **SKU**: ZTX949 **Manufacturer**: DIODES INC. **Price**: €0.4660 **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 | 100MHz | | Transistor Case Style | E-Line | | Dc Current Gain Hfe Min | 75hFE | | Operating Temperature Max | 200°C | | Continuous Collector Current | 4.5A | | Collector Emitter Voltage Max | 30V | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:3943344/) **==> picture [359 x 133] intentionally omitted <==** **----- Start of picture text -----**
PNP SILICON PLANAR MEDIUM POWER
ZTX949 HIGH CURRENT TRANSISTOR
ISSUE 3 - JUNE 94
FEATURES
CONDITIONS. “4.8 Amps continuous current
* Up to 20 Amps peak current
IC=-5A, Vog=-1V* Vog=-1V* % Very low saturation: voltage
Ic=10MA, Vog=-1V Vog=-1V *ExcellentExcell gain up to 20 Amps
Ice-T, Veg=1V* Veg=1V* Very low leakage
Ic=-BA, Vop=-1V* * Exceptional gain linearity down to 10mA
Ic=-20A, Vog=-1V* * Spice model available
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ELECTRICAL CHARACTERISTICS (at Tamb = 25°C)
PARAMETER SYMBOL UNIT | CONDITIONS.
;
Base-Emitter
Turn-On Voltage Vee(on) -860 | -1000 |mV IC=-5A, Vog=-1V* Vog=-1V*
Static Forward hee 100 | 200 Ic=10MA, Vog=-1V Vog=-1V
Current Transfer Ratio 100 | 200 | 300 Ice-T, Veg=1V* Veg=1V*
75 140 Ic=-BA, Vop=-1V*
7 35 Ic=-20A, Vog=-1V*
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ZTX949
C
E
Eli-Line
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**==> picture [359 x 133] intentionally omitted <==** **----- Start of picture text -----**
PNP SILICON PLANAR MEDIUM POWER
ZTX949 HIGH CURRENT TRANSISTOR
ISSUE 3 - JUNE 94
FEATURES
CONDITIONS. “4.8 Amps continuous current
* Up to 20 Amps peak current
IC=-5A, Vog=-1V* Vog=-1V* % Very low saturation: voltage
Ic=10MA, Vog=-1V Vog=-1V *ExcellentExcell gain up to 20 Amps
Ice-T, Veg=1V* Veg=1V* Very low leakage
Ic=-BA, Vop=-1V* * Exceptional gain linearity down to 10mA
Ic=-20A, Vog=-1V* * Spice model available
**----- End of picture text -----**
**==> picture [343 x 92] intentionally omitted <==** **----- Start of picture text -----**
ELECTRICAL CHARACTERISTICS (at Tamb = 25°C)
PARAMETER SYMBOL UNIT | CONDITIONS.
;
Base-Emitter
Turn-On Voltage Vee(on) -860 | -1000 |mV IC=-5A, Vog=-1V* Vog=-1V*
Static Forward hee 100 | 200 Ic=10MA, Vog=-1V Vog=-1V
Current Transfer Ratio 100 | 200 | 300 Ice-T, Veg=1V* Veg=1V*
75 140 Ic=-BA, Vop=-1V*
7 35 Ic=-20A, Vog=-1V*
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ZTX949
C
E
Eli-Line
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## **��** ## **TYPICAL CHARACTERISTICS** **==> picture [330 x 93] intentionally omitted <==** **----- Start of picture text -----**
1.6 IC/IB=50 Tamb=25°C 1.6 -55°C +25°C IC/IB=10
IC/IB=10 +175°C
1.4 1.4
1.2 1.2
1.0 1.0
0.8 0.8
0.6 0.6
0.4 0.4
0.2 0.2
- (Volts)
CE(sat)
V
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