# Bipolar Transistor Array, Complementary NPN and PNP, 40 V, 40 V, 200 mA, 200 mA, 150 mW

![Product image](https://novapart.co/image/farnell:2774843RL/)

**URL**: https://novapart.co/products/MBT3946DW1T2G/bipolar-transistor-array-complementary-npn-and-pnp
**SKU**: MBT3946DW1T2G
**Manufacturer**: ONSEMI
**Category**: Semiconductors - Discretes || Transistors || Bipolar Transistors || Bipolar Junction Transistor Arrays - BJT
**Price**: €0.0250
**Stock**: 1000+
**Lead Time**: 92 days (indicative)

## Description

Transistor Polarity:NPN, PNP; Collector Emitter Voltage V(br)ceo:40V; Power Dissipation Pd:150mW; DC Collector Current:200mA; DC Current Gain hFE:100hFE; Transistor Case Style:SC-88

## Specifications

| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 6Pins |
| Product Range | - |
| Qualification | - |
| Transistor Mounting | Surface Mount |
| Transistor Polarity | Complementary NPN and PNP |
| Power Dissipation Npn | 150mW |
| Power Dissipation Pnp | 150mW |
| Transistor Case Style | SC-88 |
| Transition Frequency Npn | 300MHz |
| Transition Frequency Pnp | 250MHz |
| Operating Temperature Max | 150°C |
| Dc Current Gain Hfe Min Npn | 100hFE |
| Dc Current Gain Hfe Min Pnp | 100hFE |
| Continuous Collector Current Npn | 200mA |
| Continuous Collector Current Pnp | 200mA |
| Collector Emitter Voltage Max Npn | 40V |
| Collector Emitter Voltage Max Pnp | 40V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2774843RL/)

## MBT3946DW1T1G, SMBT3946DW1T1G 

## Complementary General Purpose Transistor 

The MBT3946DW1T1G device is a spin-off of our popular SOT−23/SOT−323 three-leaded device. It is designed for general purpose amplifier applications and is housed in the SOT−363−6 surface mount package. By putting two discrete devices in one package, this device is ideal for low-power surface mount applications where board space is at a premium. 

## **Features** 

- hFE, 100−300 

- Low VCE(sat), ≤ 0.4 V 

## **http://onsemi.com** 

**SOT−363/SC−88 CASE 419B STYLE 1** 

- Simplifies Circuit Design 

- Reduces Board Space 

- Reduces Component Count 

- S Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable 

- These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant 

## **Table 1. MAXIMUM RATINGS** 

|**Rating**|**Symbol**|**Value**|**Unit**|
|---|---|---|---|
|Collector−Emitter Voltage<br>(NPN)<br>(PNP)|VCEO|40<br>−40|Vdc|
|Collector −Base Voltage<br>(NPN)<br>(PNP)|VCBO|60<br>−40|Vdc|
|Emitter−Base Voltage<br>(NPN)<br>(PNP)|VEBO|6.0<br>−5.0|Vdc|
|Collector Current − Continuous<br>(NPN)<br>(PNP)|IC|200<br>−200|mAdc|
|Electrostatic Discharge|ESD|HBM Class 2<br>MM Class B||



Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 

**Table 2. THERMAL CHARACTERISTICS** 

|**Characteristic**|**Symbol**|**Max**|**Unit**|
|---|---|---|---|
|Total Package Dissipation (Note 1)<br>TA= 25°C|PD|150|mW|
|Thermal Resistance,<br>Junction-to-Ambient|R JA|833|°C/W|
|Junction and Storage Temperature Range|TJ, Tstg|−55 to +150|°C|



1. Device mounted on FR4 glass epoxy printed circuit board using the minimum recommended footprint. 

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(3) (2) (1)<br>Q1 Q2<br>aes<br>(4) (5) (6)<br>MBT3946DW1T1*<br>*Q1 PNP<br>Q2 NPN<br>**----- End of picture text -----**<br>


## **MARKING DIAGRAM** 

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46 M<br>46 = Specific Device Code<br>M = Date Code<br>= Pb-Free Package<br>**----- End of picture text -----**<br>


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(Note: Microdot may be in either location)<br>**----- End of picture text -----**<br>


**ORDERING INFORMATION** 

**Device Package Shipping**[†] MBT3946DW1T1G SC−88 3,000 / (Pb-Free) Tape & Reel SMBT3946DW1T1G SC−88 3,000 / (Pb-Free) Tape & Reel MBT3946DW1T2G SC−88 3,000 / (Pb-Free) Tape & Reel ~~==~~ †For information on tape and reel specifications, 

including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. 

Publication Order Number: **MBT3946DW1T1/D** 

**1** 

© Semiconductor Components Industries, LLC, 2012 **July, 2012 − Rev. 7** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

**Table 3. ELECTRICAL CHARACTERISTICS** (TA = 25 ° C unless otherwise noted) 

|**Table 3. ELECTRICAL CHARACTERISTICS**(TA= 25°C unless otherwise not|ed)||||
|---|---|---|---|---|
|**Characteristic**|**Symbol**|**Min**|**Max**|**Unit**|
|**OFF CHARACTERISTICS**|||||
|Collector−Emitter Breakdown Voltage (Note 2)<br>(IC= 1.0 mAdc, IB= 0)<br>(NPN)<br>(IC= −1.0 mAdc, IB= 0)<br>(PNP)|V(BR)CEO|40<br>−40|−<br>−|Vdc|
|Collector−Base Breakdown Voltage<br>(IC= 10�Adc, IE= 0)<br>(NPN)<br>(IC= −10�Adc, IE= 0)<br>(PNP)|V(BR)CBO|60<br>−40|−<br>−|Vdc|
|Emitter−Base Breakdown Voltage<br>(IE= 10�Adc, IC= 0)<br>(NPN)<br>(IE= −10�Adc, IC= 0)<br>(PNP)|V(BR)EBO|6.0<br>−5.0|−<br>−|Vdc|
|Base Cutoff Current<br>(VCE= 30 Vdc, VEB= 3.0 Vdc)<br>(NPN)<br>(VCE= −30 Vdc, VEB= −3.0 Vdc)<br>(PNP)|IBL|−<br>−|50<br>−50|nAdc|
|Collector Cutoff Current<br>(VCE= 30 Vdc, VEB= 3.0 Vdc)<br>(NPN)<br>(VCE= −30 Vdc, VEB= −3.0 Vdc)<br>(PNP)|ICEX|−<br>−|50<br>−50|nAdc|
|**ON CHARACTERISTICS**(Note 2)|||||
|DC Current Gain<br>(IC= 0.1 mAdc, VCE= 1.0 Vdc)<br>(NPN)<br>(IC= 1.0 mAdc, VCE= 1.0 Vdc)<br>(IC= 10 mAdc, VCE= 1.0 Vdc)<br>(IC= 50 mAdc, VCE= 1.0 Vdc)<br>(IC= 100 mAdc, VCE= 1.0 Vdc)<br>(IC= −0.1 mAdc, VCE= −1.0 Vdc)<br>(PNP)<br>(IC= −1.0 mAdc, VCE= −1.0 Vdc)<br>(IC= −10 mAdc, VCE= −1.0 Vdc)<br>(IC= −50 mAdc, VCE= −1.0 Vdc)<br>(IC= −100 mAdc, VCE= −1.0 Vdc)|hFE|40<br>70<br>100<br>60<br>30<br>60<br>80<br>100<br>60<br>30|−<br>−<br>300<br>−<br>−<br>−<br>−<br>300<br>−<br>−|−|
|Collector−Emitter Saturation Voltage<br>(IC= 10 mAdc, IB= 1.0 mAdc)<br>(NPN)<br>(IC= 50 mAdc, IB= 5.0 mAdc)<br>(IC= −10 mAdc, IB= −1.0 mAdc)<br>(PNP)<br>(IC= −50 mAdc, IB= −5.0 mAdc)|VCE(sat)|−<br>−<br>−<br>−|0.2<br>0.3<br>−0.25<br>−0.4|Vdc|
|Base−Emitter Saturation Voltage<br>(IC= 10 mAdc, IB= 1.0 mAdc)<br>(NPN)<br>(IC= 50 mAdc, IB= 5.0 mAdc)<br>(IC= −10 mAdc, IB= −1.0 mAdc)<br>(PNP)<br>(IC= −50 mAdc, IB= −5.0 mAdc)|VBE(sat)|0.65<br>−<br>−0.65<br>−|0.85<br>0.95<br>−0.85<br>−0.95|Vdc|
|**SMALL-SIGNAL CHARACTERISTICS **|||||
|Current−Gain − Bandwidth Product<br>(IC= 10 mAdc, VCE= 20 Vdc, f = 100 MHz)<br>(NPN)<br>(IC= −10 mAdc, VCE= −20 Vdc, f = 100 MHz)<br>(PNP)|fT|300<br>250|−<br>−|MHz|
|Output Capacitance<br>(VCB= 5.0 Vdc, IE= 0, f = 1.0 MHz)<br>(NPN)<br>(VCB= −5.0 Vdc, IE= 0, f = 1.0 MHz)<br>(PNP)|Cobo|−<br>−|4.0<br>4.5|pF|
|Input Capacitance<br>(VEB= 0.5 Vdc, IC= 0, f = 1.0 MHz)<br>(NPN)<br>(VEB= −0.5 Vdc, IC= 0, f = 1.0 MHz)<br>(PNP)|Cibo|−<br>−|8.0<br>10.0|pF|
|Input Impedance<br>(VCE= 10 Vdc, IC= 1.0 mAdc, f = 1.0 kHz)<br>(NPN)<br>(VCE= −10 Vdc, IC= −1.0 mAdc, f = 1.0 kHz)<br>(PNP)|hie|1.0<br>2.0|10<br>12|k�|
|Voltage Feedback Ratio<br>(VCE= 10 Vdc, IC= 1.0 mAdc, f = 1.0 kHz)<br>(NPN)<br>(VCE= −10 Vdc, IC= −1.0 mAdc, f = 1.0 kHz)<br>(PNP)|hre|0.5<br>0.1|8.0<br>10|X 10−4|
|Small−Signal Current Gain<br>(VCE= 10 Vdc, IC= 1.0 mAdc, f = 1.0 kHz)<br>(NPN)<br>(VCE= −10 Vdc, IC= −1.0 mAdc, f = 1.0 kHz)<br>(PNP)|hfe|100<br>100|400<br>400|−|



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**2** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

**Table 4. ELECTRICAL CHARACTERISTICS** (TA = 25 ° C unless otherwise noted) (continued) 

|**Table 4. ELECTRICAL CHARACTERISTICS**(TA= 25°C unless otherwise not|**Table 4. ELECTRICAL CHARACTERISTICS**(TA= 25°C unless otherwise not|ed) (continued)||||
|---|---|---|---|---|---|
|**Characteristic**||**Symbol**|**Min**|**Max**|**Unit**|
|Output Admittance<br>(VCE= 10 Vdc, IC= 1.0 mAdc, f = 1.0 kHz)<br>(NPN)<br>(VCE= −10 Vdc, IC= −1.0 mAdc, f = 1.0 kHz)<br>(PNP)||hoe|1.0<br>3.0|40<br>60|�mhos|
|Noise Figure<br>(VCE= 5.0 Vdc, IC= 100�Adc, RS= 1.0 k�, f = 1.0 kHz)<br>(NPN)<br>(VCE= −5.0 Vdc, IC= −100�Adc, RS= 1.0 k�, f = 1.0 kHz)<br>(PNP)||NF|−<br>−|5.0<br>4.0|dB|
|**SWITCHING CHARACTERISTICS**||||||
|Delay Time|(VCC= 3.0 Vdc, VBE= −0.5 Vdc)<br>(NPN)<br>(VCC= −3.0 Vdc, VBE= 0.5 Vdc)<br>(PNP)|td|−<br>−|35<br>35|ns|
|Rise Time|(IC= 10 mAdc, IB1= 1.0 mAdc)<br>(NPN)<br>(IC= −10 mAdc, IB1= −1.0 mAdc)<br>(PNP)|tr|−<br>−|35<br>35||
|Storage Time|(VCC= 3.0 Vdc, IC= 10 mAdc)<br>(NPN)<br>(VCC= −3.0 Vdc, IC= −10 mAdc)<br>(PNP)|ts|−<br>−|200<br>225|ns|
|Fall Time|(IB1= IB2= 1.0 mAdc)<br>(NPN)<br>(IB1= IB2= −1.0 mAdc)<br>(PNP)|tf|−<br>−|50<br>75||



2. Pulse Test: Pulse Width ≤ 300 �� s; Duty Cycle ≤�� .0%. 

## **(NPN)** 

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+3 V +3 V<br>DUTY CYCLE = 2% 10 < t1 < 500 �s t1<br>+10.9 V<br>300 ns +10.9 V 275 DUTY CYCLE = 2% 275<br>10 k 10 k<br>0<br>-�0.5 V<br>< 1 ns Cs < 4 pF* 1N916 Cs < 4 pF*<br>-�9.1 V′<br>< 1 ns<br>* Total shunt capacitance of test jig and connectors<br>Figure 1. Delay and Rise Time Figure 2. Storage and Fall Time<br>Equivalent Test Circuit Equivalent Test Circuit<br>TYPICAL TRANSIENT CHARACTERISTICS<br>TJ = 25°C<br>TJ = 125°C<br>10 5000<br>(NPN) 3000 VCC = 40 V (NPN)<br>7.0 IC/IB = 10<br>2000<br>5.0<br>1000<br>700<br>Cibo<br>500<br>3.0<br>300 QT<br>2.0 Cobo 200<br>QA<br>100<br>70<br>1.0 50<br>0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>REVERSE BIAS VOLTAGE (VOLTS) IC, COLLECTOR CURRENT (mA)<br>Q, CHARGE (pC)<br>CAPACITANCE (pF)<br>**----- End of picture text -----**<br>


**Figure 3. Capacitance** 

**Figure 4. Charge Data** 

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**3** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

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(NPN)<br>**----- End of picture text -----**<br>


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500 500<br>300 IC/IB = 10 300 VCC = 40 V<br>IC/IB = 10<br>200 200<br>100 100<br>70 tr @ VCC = 3.0 V 70<br>50 50<br>30 30<br>40 V<br>20 20<br>15 V<br>10 10 (NPN)<br>(NPN) 2.0 V<br>7 td @ VOB = 0 V 7<br>5 5<br>1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>Figure 5. Turn-On Time Figure 6. Rise Time<br>500 500<br>′<br>300200 IC/IB = 20 IC/IB = 10 tIB1 s = t= IsB2 -  [1] /8 tf 300200 VIB1CC = I = 40 VB2<br>IC/IB = 20<br>100 100<br>70 70<br>50 IC/IB = 20 50<br>30 IC/IB = 10 30 IC/IB = 10<br>20 20<br>10 (NPN) 10 (NPN)<br>7 7<br>5 5<br>1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>Figure 7. Storage Time Figure 8. Fall Time<br>TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS<br>NOISE FIGURE VARIATIONS<br>(VCE = 5.0 Vdc, TA = 25 ° C, Bandwidth = 1.0 Hz)<br>12 14<br>SOURCE RESISTANCE = 200 � f = 1.0 kHz<br>IC = 1.0 mA<br>10 IC = 1.0 mA 12<br>SOURCE RESISTANCE = 200 � 10 IC = 0.5 mA<br>8<br>IC = 0.5 mA IC = 50 �A<br>8<br>6 SOURCE RESISTANCE = 1.0 k IC = 100 �A<br>IC = 50 �A 6<br>4<br>4<br>2 SOURCE RESISTANCE = 500 � 2<br>IC = 100 �A (NPN) (NPN)<br>0 0<br>0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100 0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100<br>f, FREQUENCY (kHz) RS, SOURCE RESISTANCE (k OHMS)<br>TIME (ns)<br>r<br>t  , RISE TIME (ns)<br>f<br>t  , FALL TIME (ns)<br>t  , STORAGE TIME (ns)′s<br>NF, NOISE FIGURE (dB) NF, NOISE FIGURE (dB)<br>**----- End of picture text -----**<br>


**Figure 9. Noise Figure** 

**Figure 10. Noise Figure** 

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**4** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

## **(NPN)** 

## **h PARAMETERS** 

(VCE = 10 Vdc, f = 1.0 kHz, TA = 25 ° C) 

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300 100<br>(NPN) 50 (NPN)<br>200<br>20<br>10<br>100<br>70 5<br>50<br>2<br>30 1<br>0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>Figure 11. Current Gain Figure 12. Output Admittance<br>20 10<br>10 (NPN) 7.0 (NPN)<br>5.0<br>5.0<br>3.0<br>2.0<br>2.0<br>1.0<br>1.0<br>0.5<br>0.7<br>0.2 0.5<br>0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10 0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>�<br>fe<br>h    , CURRENT GAIN<br>oe<br>h    , OUTPUT ADMITTANCE (   mhos)<br>-4<br>ie<br>h    , INPUT IMPEDANCE (k OHMS)<br>re<br>h    , VOLTAGE FEEDBACK RATIO (x 10   )<br>**----- End of picture text -----**<br>


**Figure 13. Input Impedance** 

**Figure 14. Voltage Feedback Ratio** 

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1  � s<br>1000<br>100 ms<br>10 ms 1 ms<br>100<br>1 s<br>(NPN)<br>10<br>Single Pulse Test at TA = 25 ° C<br>1<br>1 10 100<br>VCE, COLLECTOR EMITTER VOLTAGE (V)<br>, COLLECTOR CURRENT (mA)<br>IC<br>**----- End of picture text -----**<br>


**Figure 15. Safe Operating Area** 

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**5** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

## **(NPN)** 

## **TYPICAL STATIC CHARACTERISTICS** 

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2.0<br>TJ = +125°C (NPN) VCE = 1.0 V<br>1.0 +25°C<br>0.7<br>-�55°C<br>0.5<br>0.3<br>0.2<br>0.1<br>0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA)<br>Figure 16. DC Current Gain<br>1.0<br>(NPN) T J  = 25°C<br>0.8<br>IC = 1.0 mA 10 mA 30 mA 100 mA<br>0.6<br>0.4<br>0.2<br>0<br>0.01 0.02 0.03 0.05 0.07 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10<br>IB, BASE CURRENT (mA)<br>Figure 17. Collector Saturation Region<br>1.2 1.0<br>TJ = 25°C (NPN) (NPN)<br>1.0 VBE(sat) @ IC/IB =10 0.5 +25°C TO +125°C<br>�VC FOR VCE(sat)<br>0.8 0 -�55°C TO +25°C<br>VBE @ VCE =1.0 V<br>0.6 -�0.5<br>-�55°C TO +25°C<br>0.4 -�1.0<br>VCE(sat) @ IC/IB =10 +25°C TO +125°C<br>0.2 -�1.5 �VB FOR VBE(sat)<br>0 -�2.0<br>1.0 2.0 5.0 10 20 50 100 200 0 20 40 60 80 100 120 140 160 180 200<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>FE<br>h     , DC CURRENT GAIN (NORMALIZED)<br>CE<br>V     , COLLECTOR EMITTER VOLTAGE (VOLTS)<br>°<br>V, VOLTAGE (VOLTS) COEFFICIENT (mV/  C)<br>**----- End of picture text -----**<br>


**Figure 18. “ON” Voltages** 

**Figure 19. Temperature Coefficients** 

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**6** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

## **(PNP)** 

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**----- Start of picture text -----**<br>
3 V 3 V<br>< 1 ns<br>+9.1 V<br>275 275<br>< 1 ns<br>+0.5 V 10 k 10 k<br>0<br>Cs < 4 pF* 1N916 Cs < 4 pF*<br>10.6 V<br>300 ns 10 < t1 < 500 �s<br>DUTY CYCLE = 2% t1 10.9 V<br>DUTY CYCLE = 2%<br>**----- End of picture text -----**<br>


* Total shunt capacitance of test jig and connectors 

**Figure 20. Delay and Rise Time Equivalent Test Circuit** 

**Figure 21. Storage and Fall Time Equivalent Test Circuit** 

## **TYPICAL TRANSIENT CHARACTERISTICS** 

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10<br>(PNP)<br>7.0<br>5.0 Cobo<br>Cibo<br>3.0<br>2.0<br>1.0<br>0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40<br>REVERSE BIAS (VOLTS)<br>Figure 22. Capacitance<br>500<br>(PNP) IC/IB = 10<br>300<br>200<br>100<br>70<br>50 tr @ VCC = 3.0 V<br>30 15 V<br>20<br>40 V<br>10 2.0 V<br>7 td @ VOB = 0 V<br>5<br>1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA)<br>CAPACITANCE (pF)<br>TIME (ns)<br>**----- End of picture text -----**<br>


**Figure 24. Turn-On Time** 

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TJ = 25°C<br>TJ = 125°C<br>5000<br>3000 VCC = 40 V (PNP)<br>IC/IB = 10<br>2000<br>1000<br>700<br>500<br>300<br>200 QT<br>QA<br>100<br>70<br>50<br>1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA)<br>Q, CHARGE (pC)<br>**----- End of picture text -----**<br>


**Figure 23. Charge Data** 

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500<br>300 (PNP) VCC = 40 V<br>200 IB1 = IB2<br>IC/IB = 20<br>100<br>70<br>50<br>30<br>20 IC/IB = 10<br>10<br>7<br>5<br>1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA)<br>f<br>t  , FALL TIME (ns)<br>**----- End of picture text -----**<br>


**Figure 25. Fall Time** 

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**7** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

## **(PNP)** 

## **TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE VARIATIONS** 

- (VCE = −5.0 Vdc, TA = 25 ° C, Bandwidth = 1.0 Hz) 

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**----- Start of picture text -----**<br>
5.0 12<br>SOURCE RESISTANCE = 200 � f = 1.0 kHz IC = 1.0 mA<br>IC = 1.0 mA<br>10<br>4.0<br>SOURCE RESISTANCE = 200 � IC = 0.5 mA<br>IC = 0.5 mA 8<br>3.0<br>SOURCE RESISTANCE = 2.0 k<br>IC = 50 �A 6<br>2.0<br>4 IC = 50 �A<br>1.0 SOURCE RESISTANCE = 2.0 kIC = 100 �A 2 IC = 100 �A<br>(PNP)<br>(PNP)<br>0 0<br>0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100 0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100<br>f, FREQUENCY (kHz) Rg, SOURCE RESISTANCE (k OHMS)<br>NF, NOISE FIGURE (dB) NF, NOISE FIGURE (dB)<br>**----- End of picture text -----**<br>


**Figure 26.** 

**Figure 27.** 

## **h PARAMETERS** 

- (VCE = −10 Vdc, f = 1.0 kHz, TA = 25 ° C) 

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300 100<br>(PNP) 70 (PNP)<br>50<br>200<br>30<br>100 20<br>70<br>10<br>50<br>7<br>30 5<br>0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>Figure 28. Current Gain Figure 29. Output Admittance<br>20 10<br>10 (PNP) 7.0 (PNP)<br>7.0 5.0<br>5.0<br>3.0<br>3.0<br>2.0<br>2.0<br>1.0<br>0.7<br>1.0<br>0.5<br>0.7<br>0.3<br>0.2 0.5<br>0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>�<br>fe<br>h    , DC CURRENT GAIN<br>oe<br>h    , OUTPUT ADMITTANCE (   mhos)<br>-4<br>ie<br>h    , INPUT IMPEDANCE (k OHMS)<br>re<br>h    , VOLTAGE FEEDBACK RATIO (x 10   )<br>**----- End of picture text -----**<br>


**Figure 30. Input Impedance** 

**Figure 31. Voltage Feedback Ratio** 

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**8** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

## **(PNP)** 

## **TYPICAL STATIC CHARACTERISTICS** 

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**----- Start of picture text -----**<br>
2.0<br>TJ = +125°C VCE = 1.0 V<br>+25°C<br>1.0<br>0.7<br>-�55°C<br>0.5<br>0.3<br>(PNP)<br>0.2<br>0.1<br>0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200<br>IC, COLLECTOR CURRENT (mA)<br>Figure 32. DC Current Gain<br>1.0<br>(PNP) T J  = 25°C<br>0.8<br>IC = 1.0 mA 10 mA 30 mA 100 mA<br>0.6<br>0.4<br>0.2<br>0<br>0.01 0.02 0.03 0.05 0.07 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10<br>IB, BASE CURRENT (mA)<br>Figure 33. Collector Saturation Region<br>1.0 1.0<br>TJ = 25°C VBE(sat) @ IC/IB = 10<br>0.8 VBE @ VCE = 1.0 V 0.5 �VC FOR VCE(sat) +25°C TO +125°C<br>0<br>0.6 -�55°C TO +25°C<br>(PNP) -�0.5 (PNP)<br>0.4 +25°C TO +125°C<br>-�1.0<br>VCE(sat) @ IC/IB = 10 -�55°C TO +25°C<br>0.2<br>-�1.5 �VB FOR VBE(sat)<br>0 -�2.0<br>1.0 2.0 5.0 10 20 50 100 200 0 20 40 60 80 100 120 140 160 180 200<br>IC, COLLECTOR CURRENT (mA) IC, COLLECTOR CURRENT (mA)<br>FE<br>h     , DC CURRENT GAIN (NORMALIZED)<br>CE<br>V     , COLLECTOR EMITTER VOLTAGE (VOLTS)<br>°<br>V, VOLTAGE (VOLTS)<br>, TEMPERATURE COEFFICIENTS (mV/  C)<br>V<br>�<br>**----- End of picture text -----**<br>


**Figure 34. “ON” Voltages** 

**Figure 35. Temperature Coefficients** 

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**9** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

**==> picture [240 x 176] intentionally omitted <==**

**----- Start of picture text -----**<br>
1  � s<br>1000<br>100 ms<br>10 ms 1 ms<br>100<br>1 s<br>(PNP)<br>10<br>Single Pulse Test at TA = 25 ° C<br>1<br>1 10 100<br>VCE, COLLECTOR EMITTER VOLTAGE (V)<br>, COLLECTOR CURRENT (mA)<br>IC<br>**----- End of picture text -----**<br>


**Figure 36. Safe Operating Area** 

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**10** 

**MBT3946DW1T1G, SMBT3946DW1T1G** 

## **PACKAGE DIMENSIONS** 

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SC−88/SC70−6/SOT−363<br>CASE 419B−02<br>ISSUE W<br>NOTES:<br>1. DIMENSIONING AND TOLERANCING PER ANSI<br>Y14.5M, 1982.<br>2. CONTROLLING DIMENSION: INCH.<br>3. 419B−01 OBSOLETE, NEW STANDARD 419B−02.<br>MILLIMETERS INCHES<br>DIMA MIN NOM MAX MIN NOM MAX<br>A 0.80 0.95 1.10 0.031 0.037 0.043<br>A1 0.00 0.05 0.10 0.000 0.002 0.004<br>A3 0.20 REF 0.008 REF<br>b 0.10 0.21 0.30 0.004 0.008 0.012<br>: C 0.10 0.14 0.25 0.004 0.005 0.010<br>D 1.80 2.00 2.20 0.070 0.078 0.086<br>E 1.15 1.25 1.35 0.045 0.049 0.053<br>EEE<br>e 0.65 BSC 0.026 BSC<br>M<br>Le 0.10 0.20 0.30 0.004 0.008 0.012<br>———<—<—_— HEE 2.00 2.10 2.20 0.078 0.082 0.086<br>STYLE 1:<br>PIN 1. EMITTER 2<br>C  2. 3. 3. BASE 2COLLECTOR 1<br> 4. EMITTER 1<br> 5. BASE 1<br>n  6. COLLECTOR 2<br>**----- End of picture text -----**<br>


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D ISSUE W<br>NOTES:<br>e 1.<br>Y14.5M, 1982.<br>2.<br>3.<br>6 5 4<br>HE −E− DIMA 0.80 MIN<br>A1 0.00<br>1 2 3<br>A3<br>b 0.10<br>rp : C 0.10<br>D 1.80<br>b 6 PL E 1.15<br>—> | fe<br>0.2 (0.008) M E M Le 0.10<br>HEE 2.00<br>A3 STYLE 1:<br>PIN 1.<br>C  2. 3. 3.<br>A  4.<br> 5. BASE 1<br>(im; _=‘J-n  6.<br>f A1 L J it<br>SOLDERING FOOTPRINT*<br>0.50<br>0.0197<br>au |<br>0.025 7 0.65<br>0.65<br>0.025<br>0.40<br>0.0157<br>6a]<br>TH |B<br>1.9<br>0.0748 SCALE 20:1 mm<br>inches<br>-——— _ ()<br>*For additional information on our Pb-Free strategy and soldering<br>details, please download the ON Semiconductor Soldering and<br>Mounting Techniques Reference Manual, SOLDERRM/D.<br>**----- End of picture text -----**<br>


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---

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