# Bipolar (BJT) Single Transistor, NPN, 65 V, 6 A, 15 W, TO-252 (DPAK), Surface Mount
**URL**: https://novapart.co/products/2STD1665T4/bipolar-bjt-single-transistor-npn-65-v-6-a-15-w-to
**SKU**: 2STD1665T4
**Manufacturer**: STMICROELECTRONICS
**Price**: €0.2420
**Stock**: 1000+
**Lead Time**: 113 days (indicative)
## Description
Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:65V; Transition Frequency ft:-; Power Dissipation Pd:15W; DC Collector Current:6A; DC Current Gain hFE:320hFE; Transistor Case Style:TO-25
## Specifications
| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Power Dissipation | 15W |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | NPN |
| Transition Frequency | - |
| Transistor Case Style | TO-252 (DPAK) |
| Dc Current Gain Hfe Min | 320hFE |
| Operating Temperature Max | 150°C |
| Continuous Collector Current | 6A |
| Collector Emitter Voltage Max | 65V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:1542189/)
**2STD1665**
**==> picture [61 x 39] intentionally omitted <==**
## Low voltage fast-switching NPN power transistor
## **Features**
- Very low collector to emitter saturation voltage
- High current gain characteristic
- Fast-switching speed
## **Applications**
- Voltage regulators
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**----- Start of picture text -----**
TAB
3
1
DPAK
**----- End of picture text -----**
- High efficiency low voltage switching applications
## **Description**
The device is a low voltage NPN transistor with exceptional high gain performance coupled with very low saturation voltage. It is designed in planar technology with "base island" layout.
## **Figure 1. Internal schematic diagram**
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**----- Start of picture text -----**
C (TAB)
(1)
B
E (3)
**----- End of picture text -----**
## **Table 1. Device summary**
|**Order code**|**Marking**|**Packages**|**Packaging**|
|---|---|---|---|
|2STD1665T4|D1665|DPAK|Tape and reel|
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Doc ID 12350 Rev 3
_www.st.com_
**2STD1665**
**Electrical ratings**
## **1 Electrical ratings**
## **Table 2. Absolute maximum ratings**
|**Table 2.**|**Absolute maximum ratings**|||
|---|---|---|---|
|**Symbol**|**Parameter**|**Value**|**Unit**|
|VCBO|Collector-base voltage (IE= 0)|150|V|
|VCEO|Collector-emitter voltage (IB= 0)|65|V|
|VEBO|Emitter-base voltage (IC= 0)|7|V|
|IC|Collector current|6|A|
|ICM|Collector peak current (tP< 5ms)|20|A|
|IB|Base current|1|A|
|Ptot|Total dissipation at Ta= 25 °C|15|W|
|Tstg|Storage temperature|-65 to 150|°C|
|TJ|Max. operating junction temperature|150|°C|
## **Table 3. Thermal data**
|**Table 3.**|**Thermal data**|||
|---|---|---|---|
|**Symbol**|**Parameter**|**Value**|**Unit**|
|Rthj-a
(1)|Thermal resistance junction-ambient__max|8.33|°C/W|
1. Device mounted on a PCB area of 1 cm[2]
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**2STD1665**
**Electrical characteristics**
## **2 Electrical characteristics**
(Tcase = 25°C unless otherwise specified).
## **Table 4. Electrical characteristics**
|**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|
|ICBO|Collector cut-off current
(IE= 0)|VCB= 120 V
VCB= 120 V TC= 100 °C|||50
1|nA
µA|
|IEBO|Emitter cut-off current
(IC= 0)|VEB= 7 V|||10|nA|
|V(BR)CBO
(1)|Collector-base
breakdown voltage
(IE= 0)|IC= 100 µA|150|||V|
|V(BR)CEO
(1)|Collector-emitter
breakdown voltage
(IB= 0)|IC= 10 mA|65|||V|
|V(BR)EBO
(1)|Emitter-base
breakdown voltage
(IC= 0)|IE= 100 µA|7|||V|
|VCE(sat)
(1)|Collector-emitter
saturation voltage|IC= 100 mA IB= 5 mA
IC= 1 A IB= 50 mA
IC= 2 A IB= 50 mA
IC= 6 A IB= 150 mA
IC= 6 A IB= 300 mA||50
100
260
230|50
120
200
600
380|mV
mV
mV
mV
mV|
|VBE(sat)
(1)|Base-emitter saturation
voltage|IC= 4 A IB= 200 mA||1|1.15|V|
|VBE(on)
(1)|Base-emitter on
voltage|IC= 4 A VCE= 1 V||0.85|1|V|
|hFE|DC current gain|IC= 10 mA VCE= 1 V
IC= 2 A VCE= 1 V
IC= 5 A VCE= 1 V
IC= 10 A VCE= 1 V|150
150
90
30|320
310
175
65|350||
|CCBO|Collector-base
capacitance
(IE=0)|VCB= 10 V f = 1 MHz||45||pF|
|ton
ts
tf|Resistive load
Turn-on time
Storage time
Fall time|IC= 3 A VCC= 10 V
IB(on)= -IB(off)= 300 mA
VBB(off)= -5 V||90
800
90||ns
ns
ns|
1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 %
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Doc ID 12350 Rev 3
**2STD1665**
**Electrical characteristics**
## **2.1 Electrical characteristics (curves)**
**Figure 2. Output characteristics Figure 3. DC current gain**
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**==> picture [141 x 141] intentionally omitted <==**
**Figure 4. Collector-emitter saturation voltage - (hFE = 20)**
**==> picture [147 x 140] intentionally omitted <==**
**Figure 5. Collector-emitter saturation voltage - (hFE = 40)**
**==> picture [147 x 140] intentionally omitted <==**
**Figure 6. Base-emitter saturation voltage**
**==> picture [147 x 140] intentionally omitted <==**
**Figure 7. Base-emitter on voltage**
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**2STD1665**
**Electrical characteristics**
## **Figure 8. Resistive load switching off Figure 9. Resistive load switching on**
**==> picture [146 x 136] intentionally omitted <==**
**==> picture [146 x 138] intentionally omitted <==**
## **Figure 10. Capacitance**
**==> picture [147 x 138] intentionally omitted <==**
## **2.2 Test circuit**
**Figure 11. Resistive load switching time**
**==> picture [384 x 159] intentionally omitted <==**
**----- Start of picture text -----**
1) Fast electronic switching
2) Non-inductive resisitor
**----- End of picture text -----**
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**2STD1665**
**Package mechanical data**
## **3 Package mechanical data**
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK[®] packages, depending on their level of environmental compliance. ECOPACK[®] specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark.
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**2STD1665**
**Package mechanical data**
**Table 5. DPAK (TO-252) mechanical data**
|**Dim.**|**mm**|**mm**|**mm**|
|---|---|---|---|
||**Min.**|**Typ.**|**Max.**|
|A|2.20||2.40|
|A1|0.90||1.10|
|A2|0.03||0.23|
|b|0.64||0.90|
|b4|5.20||5.40|
|c|0.45||0.60|
|c2|0.48||0.60|
|D|6.00||6.20|
|D1||5.10||
|E|6.40||6.60|
|E1||4.70||
|e||2.28||
|e1|4.40||4.60|
|H|9.35||10.10|
|L|1|||
|L1||2.80||
|L2||0.80||
|L4|0.60||1|
|R||0.20||
|V2|0°||8°|
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**2STD1665**
**Package mechanical data**
## **Figure 12. TO-252 (DPAK) drawings**
**==> picture [405 x 290] intentionally omitted <==**
**----- Start of picture text -----**
0068772_G
**----- End of picture text -----**
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**2STD1665**
**Revision history**
## **4 Revision history**
**Table 6. Document revision history**
|**Date**|**Revision**|**Changes**|
|---|---|---|
|08-May-2006|1|Initial release|
|27-Mar-2008|2|New graphics|
|08-Feb-2011|3|Updated_Table 2_and_3_|
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**2STD1665**
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Doc ID 12350 Rev 3
## Links
- [View this product on Novapart](https://novapart.co/products/2STD1665T4/bipolar-bjt-single-transistor-npn-65-v-6-a-15-w-to)
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- [Supplier page](https://es.farnell.com/stmicroelectronics/2std1665t4/transistor-npn-dpak/dp/1542189)
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