# Bipolar (BJT) Single Transistor, NPN, 40 V, 4 A, 1 W, E-Line, Through Hole
**URL**: https://novapart.co/products/ZTX1051A/bipolar-bjt-single-transistor-npn-40-v-4-a-1-w-e
**SKU**: ZTX1051A
**Manufacturer**: DIODES INC.
**Price**: €0.3830
**Stock**: 500+
**Lead Time**: 78 days (indicative)
## Description
Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:40V; Transition Frequency ft:155MHz; Power Dissipation Pd:1W; DC Collector Current:4A; DC Current Gain hFE:450hFE; Transistor Case Styl
## Specifications
| Parameter | Value |
|---|---|
| Msl | - |
| Svhc | Lead (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Power Dissipation | 1W |
| Transistor Mounting | Through Hole |
| Transistor Polarity | NPN |
| Transition Frequency | 155MHz |
| Transistor Case Style | E-Line |
| Dc Current Gain Hfe Min | 450hFE |
| Operating Temperature Max | 200°C |
| Continuous Collector Current | 4A |
| Collector Emitter Voltage Max | 40V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:9526552/)
**==> picture [181 x 63] intentionally omitted <==**
**----- Start of picture text -----**
180 D=1(D.C) a 1.0
160 t1 2
140 0.75
D=t1 =
120 tp tp
100 D=0.5 & 0.50
80 §
D=0.2
**----- End of picture text -----**
**==> picture [479 x 79] intentionally omitted <==**
**----- Start of picture text -----**
µ C B
0.6
e µ | | _S04s oe CCC /1 BBB =40=100 _erS8 040.6P +100°C+25°C-55°C
+175°C
**----- End of picture text -----**
**==> picture [479 x 79] intentionally omitted <==**
**----- Start of picture text -----**
µ C B
0.6
e µ | | _S04s oe CCC /1 BBB =40=100 _erS8 040.6P +100°C+25°C-55°C
+175°C
**----- End of picture text -----**
**==> picture [181 x 63] intentionally omitted <==**
**----- Start of picture text -----**
180 D=1(D.C) a 1.0
160 t1 2
140 0.75
D=t1 =
120 tp tp
100 D=0.5 & 0.50
80 §
D=0.2
**----- End of picture text -----**
## Links
- [View this product on Novapart](https://novapart.co/products/ZTX1051A/bipolar-bjt-single-transistor-npn-40-v-4-a-1-w-e)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/diodes-inc/ztx1051a/transistor-npn-e-line/dp/9526552)
---
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