# Bipolar (BJT) Single Transistor, NPN, 40 V, 200 mA, 330 mW, SOT-23, Surface Mount

![Product image](https://novapart.co/image/farnell:1056539/)

**URL**: https://novapart.co/products/SMBT3904E6327HTSA1/bipolar-bjt-single-transistor-npn-40-v-200-ma-330
**SKU**: SMBT3904E6327HTSA1
**Manufacturer**: INFINEON
**Category**: Semiconductors - Discretes || Transistors || Bipolar Transistors || Single Bipolar Junction Transistors - BJT
**Price**: €0.0330
**Stock**: 1000+
**Lead Time**: 2 days (indicative)

## Description

Transistor Polarity:NPN; Collector Emitter Voltage V(br)ceo:40V; Transition Frequency ft:270MHz; Power Dissipation Pd:330mW; DC Collector Current:200mA; DC Current Gain hFE:100hFE; Transistor Cas

## Specifications

| Parameter | Value |
|---|---|
| Msl | - |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | AEC-Q101 |
| Power Dissipation | 330mW |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | NPN |
| Transition Frequency | 270MHz |
| Transistor Case Style | SOT-23 |
| Dc Current Gain Hfe Min | 100hFE |
| Operating Temperature Max | 150°C |
| Continuous Collector Current | 200mA |
| Collector Emitter Voltage Max | 40V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1056539/)

**SMBT3904...MMBT3904** 

## **NPN Silicon Switching Transistors** 

- High DC current gain: 0.1 mA to 100 mA 

- Low collector-emitter saturation voltage 

- For SMBT3904S: 

Two (galvanic) internal isolated transistors 

with good matching in one package 

- Complementary types: SMBT3906... MMBT3906 

- SMBT3904S: For orientation in reel 

see package information below 

- Pb-free (RoHS compliant) package 

- Qualified according AEC Q101 

|**Type**|**Marking**|**g**<br>**Pin Configuration**|**g**<br>**Pin Configuration**|**g**<br>**Pin Configuration**|**g**<br>**Pin Configuration**|**g**<br>**Pin Configuration**|**g**<br>**Pin Configuration**|**Package**|
|---|---|---|---|---|---|---|---|---|
|SMBT3904/MMBT3904<br>SMBT3904S|s1A<br>s1A|1=B<br>1=E1|2=E<br>2=B1|3=C<br>3=C2|-<br>4=E2|-<br>5=B2|-<br>6=C1|SOT23<br>SOT363|



## **Maximum Ratings** 

|**Maximum Ratingsgss**||||
|---|---|---|---|
|**Parameter**|**Symbol**|**Value**|**Unit**|
|Collector-emitter voltage|_V_CEO|40|V|
|Collector-base voltage|_V_CBO|60||
|Emitter-base voltage|_V_EBO|6||
|Collector current|_I_C|200|mA|
|Total power dissipation-<br>_T_S ≤71°C, SOT23, SMBT3904<br>_T_S ≤115°C, SOT363, SMBT3904S|_P_tot|330<br>250|mV|
|Junction temperature|_T_j|150|°C|
|Storage temperature|j<br>_T_stg|-65 ... 150||



> 1For calculation of _R_ thJA please refer to Application Note AN077 (Thermal Resistance Calculation) 

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**SMBT3904...MMBT3904** 

**Electrical Characteristics** at _T_ A = 25°C, unless otherwise specified 

|**Electrical Characteristics**at_T_A= 25°C, unless o|therwise s|pecified|pecified|pecified||
|---|---|---|---|---|---|
|**Parameter**|**Symbol**|**Values**|||**Unit**|
|||**min.**|**typ.**|**max.**||
|**DC Characteristics**||||||
|Collector-emitter breakdown voltage<br>_I_C= 1 mA,_I_B= 0|_V_(BR)CEO|40|-|-|V|
|Collector-base breakdown voltage<br>_I_C= 10 µA,_I_E= 0|_V_(BR)CBO|60|-|-||
|Emitter-base breakdown voltage<br>_I_E= 10 µA,_I_C= 0|_V_(BR)EBO|6|-|-||
|Collector-base cutoff current<br>_V_CB= 30 V,_I_E= 0|_I_CBO|-|-|50|nA|
|DC current gain1)<br>_I_C= 100 µA,_V_CE= 1 V<br>_I_C= 1 mA,_V_CE= 1 V<br>_I_C= 10 mA,_V_CE= 1 V<br>_I_C= 50 mA,_V_CE= 1 V<br>_I_C= 100 mA,_V_CE= 1 V|_h_FE|40<br>70<br>100<br>60<br>30|-<br>-<br>-<br>-<br>-|-<br>-<br>300<br>-<br>-|-|
|Collector-emitter saturation voltage1)<br>_I_C= 10 mA,_I_B= 1 mA<br>_I_C= 50 mA,_I_B= 5 mA|_V_CEsat|-<br>-|-<br>-|0.2<br>0.3|V|
|Base emitter saturation voltage1)<br>_I_C= 10 mA,_I_B= 1 mA<br>_I_C= 50 mA,_I_B= 5 mA|_V_BEsat|0.65<br>-|-<br>-|0.85<br>0.95||



1Pulse test: t < 300µs; D < 2% 

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**SMBT3904...MMBT3904** 

|**Electrical Characteristics**at_T_A= 25°C,unless otherwise specified|**Electrical Characteristics**at_T_A= 25°C,unless otherwise specified|**Electrical Characteristics**at_T_A= 25°C,unless otherwise specified|**Electrical Characteristics**at_T_A= 25°C,unless otherwise specified|**Electrical Characteristics**at_T_A= 25°C,unless otherwise specified|**Electrical Characteristics**at_T_A= 25°C,unless otherwise specified|
|---|---|---|---|---|---|
|**Parameter**|**Symbol**|**Values**|||**Unit**|
|||**min.**|**typ.**|**max.**||
|**AC Characteristics**||||||
|Transition frequency<br>_I_C= 10 mA,_V_CE= 20 V,_f_= 100 MHz|_f_T|300|-|-|MHz|
|Collector-base capacitance<br>_V_CB= 5 V,_f_= 1 MHz|_C_cb|-|-|3.5|pF|
|Emitter-base capacitance<br>_V_EB= 0.5 V,_f_= 1 MHz|_C_eb|-|-|8||
|Delay time<br>_V_CC= 3 V,_I_C= 10 mA,_I_B1= 1 mA,<br>_V_BE(off)= 0.5 V|_t_d|-|-|35|ns|
|Rise time<br>_V_CC= 3 V,_I_C= 10 mA,_I_B1= 1 mA,<br>_V_BE(off)= 0.5 V|_t_r|-|-|35||
|Storage time<br>_V_CC= 3 V,_I_C= 10 mA,_I_B1=_I_B2= 1 mA|_t_stg|-|-|200||
|Fall time<br>_V_CC= 3 V,_I_C= 10 mA,_I_B1=_I_B2= 1 mA|_t_f|-|-|50||
|Noise figure<br>_I_C= 100 µA,_V_CE= 5 V,_f_= 1 kHz,<br>∆ _f_= 200 Hz,_R_S= 1 kΩ|_F_|-|-|5|dB|



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**SMBT3904...MMBT3904** 

## **Test circuits** 

## **Delay and rise time** 

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**----- Start of picture text -----**<br>
+3.0 V<br>275 Ω<br>300 ns D = 2%<br>+10.9 V<br>10 k Ω<br>0<br>C<br>-0.5 V<br><4.0 pF<br><1.0 ns<br>EHN00061<br>Storage and fall time<br>+3.0 V<br>10 < t 1 < 500 µ s<br>275 Ω<br>t  1 D  = 2%<br>+10.9 V<br>10 k Ω<br>0<br>C<br>-9.1 V <4.0 pF<br>1N916<br><1.0 ns<br>EHN00062<br>**----- End of picture text -----**<br>


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**SMBT3904...MMBT3904** 

**DC current gain** _h_ FE =  ƒ( _I_ C) _V_ CE = 1 V, normalized 

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**----- Start of picture text -----**<br>
10 3<br>125 °C<br>25 °C<br>10 2<br>-55 °C<br>10 1<br>10  [-5 ] 10  [-4 ] 10  [-3 ] 10  [-2 ] 10  [-1 ] mA10  [0 ]<br>I C<br>FE<br>h<br>**----- End of picture text -----**<br>


**Collector-base capacitance** _C_ cb = ƒ( _V_ CB) **Emitter-base capacitance** _C_ eb = ƒ( _V_ EB) 

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**----- Start of picture text -----**<br>
9<br>pF<br>7<br>6<br>5<br>CEB<br>4<br>3<br>2<br>CCB<br>1<br>0<br>0 4 8 12 16 A 22<br>V CB( V EB<br>)<br>EB<br>C<br>(<br>CB<br>C<br>**----- End of picture text -----**<br>


**Saturation voltage** _I_ C = ƒ( _V_ BEsat; _V_ CEsat) _h_ FE = 10 

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**----- Start of picture text -----**<br>
EHP00756<br>2<br>mA<br>Ι C 10 [2]<br>5<br>V CE V  BE<br>10 [1]<br>5<br>10 [0]<br>0 0.2 0.4 0.6 0.8 1.0 V 1.2<br>V BE sat , V CE sat<br>**----- End of picture text -----**<br>


**Total power dissipation** _P_ tot = ƒ( _T_ S) SMBT3904/MMBT3904 

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**----- Start of picture text -----**<br>
360<br>mW<br>300<br>270<br>240<br>210<br>180<br>150<br>120<br>90<br>60<br>30<br>0<br>0 15 30 45 60 75 90 105 120 °C 150<br>T S<br>tot<br>P<br>**----- End of picture text -----**<br>


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**SMBT3904...MMBT3904** 

## **Total power dissipation** _P_ tot = ƒ( _T_ S) SMBT3904S 

**Permissible Pulse Load** _R_ thJS =  ƒ( _t_ p) SMBT3904/ MMBT3904 

**==> picture [489 x 273] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 3<br>300<br>mW<br>K/W<br>250<br>225 10 2<br>200<br>175<br>150 10 1<br>D=0.5<br>125 0.2<br>0.1<br>100 0.05<br>75 10 0  0.02<br>0.01<br>0.005<br>50<br>0<br>25<br>0 10 -1<br>0 15 30 45 60 75 90 105 120 °C 150 10  [-6 ] 10  [-5 ] 10  [-4 ] 10  [-3 ] 10  [-2 ] s 10  [0 ]<br>T S t p<br>tot thJS<br>P R<br>**----- End of picture text -----**<br>


## **Permissible Pulse Load** 

_P_ totmax/ _P_ totDC =  ƒ( _t_ p) SMBT3904/MMBT3904 

**Permissible Puls Load** _R_ thJS = ƒ ( _t_ p) SMBT3904S 

**==> picture [490 x 273] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 3 EHP00935 10 3<br>P totmax t K/W<br>t  p<br>P tot DC D = p<br>T<br>T<br>10 2<br>10 [2] D =<br>0<br>0.005<br>5<br>0.01<br>0.02 10 1<br>0.05 0.5<br>0.1<br>0.2<br>0.2<br>0.1<br>0.5<br>10 [1] 0.05<br>10 0  0.02<br>5 0.01<br>0.005<br>D = 0<br>10 0 10 -1<br>10 -6 10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 -1 s 10 [0] 10  [-6 ] 10  [-5 ] 10  [-4 ] 10  [-3 ] 10  [-2 ] s 10  [0 ]<br>t<br>t p p<br>thJS<br>R<br>**----- End of picture text -----**<br>


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**SMBT3904...MMBT3904** 

## **Permissible Pulse Load** 

_P_ totmax/ _P_ totDC =  ƒ( _t_ p) SMBT3904S 

**==> picture [234 x 273] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 3<br>-<br>D = 0<br>10 2  0.005<br>0.01<br>0.02<br>0.05<br>0.1<br>0.2<br>0.5<br>10 1<br>10 0<br>10  [-6 ] 10  [-5 ] 10  [-4 ] 10  [-3 ] 10  [-2 ] s 10  [0 ]<br>t<br>p<br>totDC<br>/ P totmax<br>P<br>**----- End of picture text -----**<br>


**Storage time** _t_ stg =  ƒ( _I_ C) 

**Delay time** _t_ d =  ƒ( _I_ C) **Rise time** _t_ r =  ƒ( _I_ C) 

**==> picture [232 x 264] intentionally omitted <==**

**----- Start of picture text -----**<br>
EHP00761<br>10 [3]<br>ns<br>t r , t  d<br>[t] r<br>t d h  FE = 10<br>10 [2]<br>V CC = 3 V<br>40 V<br>15 V<br>10 [1] V BE = 2 V<br>0 V<br>10 [0]<br>10 0 5 10 1 5 10 2 mA 10 3<br>Ι<br>C<br>**----- End of picture text -----**<br>


**Fall time** _t_ f =  ƒ( _I_ C) 

**==> picture [480 x 265] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 [3] EHP00762 10 [3] EHP00763<br>ns ns<br>t s t f<br>25   C 25   C<br>125   C h  FE= 20 125   C<br> 10<br>V CC = 40 V<br>10 [2] 10 [2]<br>h FE= 20 h  FE = 20<br> 10<br>10 [1] 10 [1] h FE = 10<br>10 [0] 10 [0]<br>10 0 5 10 1 5 10 2 mA 10 3 10 0 5 10 1 5 10 2 mA 10 3<br>Ι C Ι C<br>**----- End of picture text -----**<br>


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**SMBT3904...MMBT3904** 

## **Rise time** _t_ r = ƒ( _I_ C) 

**==> picture [230 x 267] intentionally omitted <==**

**----- Start of picture text -----**<br>
EHP00764<br>10 [3]<br>ns<br>t r<br>25   C<br>V CC = 40 V<br>10 [2] 125   C h FE = 10<br>10 [1]<br>10 [0]<br>10 0 5 10 1 5 10 2 mA 10 3<br>Ι<br>C<br>**----- End of picture text -----**<br>


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**Package SOT23** 

**SMBT3904...MMBT3904** 

## Package Outline 

**==> picture [243 x 457] intentionally omitted <==**

**----- Start of picture text -----**<br>
1±0.1<br>2.9 ±0.1 0.1 MAX.<br>B<br>3<br>1 2<br>+0.1 1)<br>0.4 -0.05 A<br>C<br>0.95<br>1.9<br>0.25 M B C 0.2 M A<br>1) Lead width can be 0.6 max. in dambar area<br>0.8<br>0.8 1.2<br>Manufacturer<br>2005, June<br>EH s Date code (YM)<br>Pin 1 BCW66<br>Type code<br>0...8˚<br>0.08...0.15<br>0.15 MIN.<br> ±0.15 ±0.1<br>2.4 1.3<br>10˚ MAX. 10˚ MAX.<br>0.9<br>1.3<br>0.9<br>**----- End of picture text -----**<br>


Foot Print 

## Marking Layout (Example) 

## Standard Packing 

Reel ø180 mm = 3.000 Pieces/Reel Reel ø330 mm = 10.000 Pieces/Reel 

**==> picture [174 x 91] intentionally omitted <==**

**----- Start of picture text -----**<br>
4<br>0.9 0.2<br>Pin 1 3.15 1.15<br>2.13 2.65<br>8<br>**----- End of picture text -----**<br>


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**Package SOT363** 

**SMBT3904...MMBT3904** 

## Package Outline 

## Foot Print 

**==> picture [216 x 306] intentionally omitted <==**

**----- Start of picture text -----**<br>
2 ±0.2 0.9 [±0.1]<br>0.2 +0.1-0.05 6x 0.1 MAX.<br>0.1 M<br>0.1<br>A<br>6 5 4<br>1 2 3<br>Pin 1<br>marking 0.65 0.65 0.15 +0.1-0.05<br>0.2 M A<br>0.3<br>0.65<br>0.65<br>±0.1 ±0.1<br>2.1 0.1 MIN. 1.25<br>0.7<br>0.9 1.6<br>**----- End of picture text -----**<br>


## Marking Layout (Example) 

Small variations  in positioning of Date code, Type code and Manufacture are possible. 

Manufacturer 2005, June Date code (Year/Month) Pin 1 marking BCR108S Laser marking Type code 

## Standard Packing 

Reel ø180 mm = 3.000 Pieces/Reel Reel ø330 mm = 10.000 Pieces/Reel 

For symmetric types no defined Pin 1 orientation in reel. 

**==> picture [161 x 90] intentionally omitted <==**

**----- Start of picture text -----**<br>
4 0.2<br>Pin 1 2.15 1.1<br>marking<br>8<br>2.3<br>**----- End of picture text -----**<br>


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**SMBT3904...MMBT3904** 

## **Edition 2009-11-16** 

**Published by Infineon Technologies AG 81726 Munich, Germany** 

##  **2009 Infineon Technologies AG All Rights Reserved.** 

## **Legal Disclaimer** 

The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. 

## **Information** 

For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office (<www.infineon.com>). 

## **Warnings** 

Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. 

Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. 

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