BC817-40Q-13-F

**BC817-16Q /-25Q /-40Q** 

**45V NPN SMALL SIGNAL TRANSISTOR IN SOT23** 

## **Description** 

This Bipolar Junction Transistor (BJT) is designed to meet the stringent requirements of automotive applications. 

## **Features** 

- BVCEO > 45V 

- IC = 0.5A Continuous Collector Current 

## **Mechanical Data** 

   - Case: SOT23 

   - Case Material: Molded Plastic, “Green” Molding Compound; UL Flammability Classification Rating 94V-0 

   - Moisture Sensitivity: Level 1 per J-STD-020 

   - Terminals: Finish – Matte Tin Plated Leads, Solderable per MILSTD-202, Method 208 

   - Weight 0.008 grams (Approximate) 

- ICM = 1A Peak Pulse Current 

- Complementary PNP Types: BC807-xxQ 

- Ideally Suited for Automatic Insertion 

- Epitaxial Planar Die Construction 

- For Switching and AF Amplifier Applications 

- **Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)** 

- **Halogen and Antimony Free. "Green" Device (Note 3)** 

- **The BC817-16Q /-25Q/-40Q are suitable for automotive applications requiring specific change control; these parts are AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.** 

**https://www.diodes.com/quality/product-definitions/** 

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SOT23<br>Top View<br>**----- End of picture text -----**<br>


Top View Device Symbol Pin-Out 

## **Ordering Information** (Note 4) 

|**Ordering Informationg Information Information** (Note 4)Note 4))|**Ordering Informationg Information Information** (Note 4)Note 4))|**Ordering Informationg Information Information** (Note 4)Note 4))|**Ordering Informationg Information Information** (Note 4)Note 4))|**Ordering Informationg Information Information** (Note 4)Note 4))|**Ordering Informationg Information Information** (Note 4)Note 4))|
|---|---|---|---|---|---|
|||||||
|**Part Number**|**Compliance**|**Marking**|**Reel Size(inches)**|**Tape Width(mm)**|**Quantity Per Reel**|
|BC817-16Q-7-F|Automotive|K6A|7|8|3,000|
|BC817-25Q-7-F|Automotive|K6B|7|8|3,000|
|BC817-40Q-7-F|Automotive|K6C|7|8|3,000|
|BC817-40Q-13-F|Automotive|K6C|13|8|10,000|



- Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 

   2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 

   3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 

   4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/. 

## **Marking Information** 

|||||||||SOT23|SOT23|SOT23|SOT23||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||XXX = Product Type Marking Code (See Ordering Information)<br>~~|~~<br>||||||||||||||
|||||||||||||||YM = Date Code Marking<br>~~|~~|||||||
|||||||||||||||Y or Y = Year (ex: I = 2021)|||||||
|Date Code Key<br>**Year**<br>**2021**<br>**Code**<br>I<br>~~[——}—}~~||||||**2022**<br>J||**2023**<br>K<br>| |<br>~~| ~~|||**2024**<br>**2025**<br>**2026**<br>**2027**<br>**2028**<br>L<br>M<br>N<br>O<br>P<br>M = Month (ex: 9 = September)<br>| |<br> ~~—_}—_}—_} —}—__ }—_}—_}~~||||**2029**<br>**2030**<br>R<br>S<br>~~}—_}—_} ~~|||**2031**<br>T<br> ~~— ~~|**2033**<br>U<br> ~~}—_~~||
||**Month**||**Jan**|||**Feb**||**Mar**|||**Apr**|||**May**<br>**Jun**<br>**Jul**<br>**Aug**|**Sep**<br>**Oct**|||**Nov**|**Dec**||
||**Code**||1|||2||3|||4|||5<br>6<br>7<br>8|9<br>O|||N|D||



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BC817-16Q / -25Q / -40Q Document number: DS38331 Rev. 4 - 2 

April 2021 © Diodes Incorporated 

**BC817-16Q /-25Q /-40Q** 

## **Absolute Maximum Ratings** (@ TA = +25°C, unless otherwise specified.) 

|**Absolute Maximum Ratingsgss** (@ TA = +25°C, unless otherwise specified.)TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@ TA = +25°C, unless otherwise specified.)TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)pecified.)ecified.))|||
|---|---|---|---|
|**Characteristic**|**Symbol**|**Value**|**Unit**|
|Collector-Base Voltage|VCBO|50|V|
|Collector-Emitter Voltage|VCEO|45|V|
|Emitter-Base Voltage|VEBO|5.0|V|
|Collector Current|IC|0.5|A|
|Peak Pulse Collector Current (single pulse)|ICM|1.0|A|
|Peak Pulse Base Current(singlepulse)|IBM|200|mA|



## **Thermal Characteristics** (@ TA = +25°C, unless otherwise specified.) 

|**Thermal Characteristics **(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Thermal Characteristics **(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Thermal Characteristics **(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Thermal Characteristics **(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Thermal Characteristics **(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|
|---|---|---|---|---|
||||||
|**Characteristic**||**Symbol**|**Value**|**Unit**|
|Power Dissipation|(Note 5)|PD|310|mW|
||(Note 6)||350||
|Thermal Resistance, Junction to Ambient|(Note 5)|RθJA|403|°C/W|
||(Note 6)||357||
|Thermal Resistance, Junction to Leads|(Note 7)|RθJL|350|°C/W|
|Operating and Storage Temperature Range||TJ, TSTG|-65 to +150|°C|



|**ESD Ratings **(Note 8)|**ESD Ratings **(Note 8)|**ESD Ratings **(Note 8)|**ESD Ratings **(Note 8)|**ESD Ratings **(Note 8)|
|---|---|---|---|---|
||||||
|**Characteristic**|**Symbol**|**Value**|**Unit**|**JEDEC Class**|
|Electrostatic Discharge - Human BodyModel|ESD HBM|8,000|V|3B|
|Electrostatic Discharge - Machine Model|ESD MM|400|V|C|



Notes: 5. For a device mounted on minimum recommended pad layout FR-4 PCB with high coverage of single sided 1oz copper; device is measured under still air conditions whilst operating in a steady-state. 

6. Same as Note 5, except mounted on 15mm x 15mm 1oz copper. 

7. Thermal resistance from junction to solder-point (at the end of the collector lead). 

8. Refer to JEDEC specification JESD22-A114 and JESD22-A115. 

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BC817-16Q / -25Q / -40Q Document number: DS38331 Rev. 4 - 2 

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'n COR PORATED DIODES. 

**BC817-16Q /-25Q /-40Q** | 

## **Thermal Characteristics and Derating Information** 

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0.4<br>Pt | ft tt td ty yy<br>0.3<br>NS<br>po<br>0.2 PITT Nef<br>FT ft ttPIT |NETLINE EEETyEE<br>N<br>0.1<br>BIN<br>PLT TET ET LING Ta<br>0.0 SRN \<br>0 25 50 75 100 125 150<br> Temperature (oC)<br>Derating Curve<br>10<br>PNETPEESSEETTT Single Pulse. Tamb=25 [o] C |<br>NTI TET TEEPTET<br>PUNY TIM ETAT PPE TT<br>1 LINE TT<br>|<br>|<br>PI TTTPTC<br>0.1 CHC<br>10m 100m 1 10 100 1k<br>Pulse Width (s)<br>Pulse Power Dissipation<br> Max Power Dissipation (W)<br> Max Power Dissipation (W)<br>**----- End of picture text -----**<br>


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400<br>350 a |<br>300<br>EIFS ngT<br>250 All F |<br>D=0.5<br>200 FERMETTTET TT<br>150 aesee D=0.1 eg | | ll<br>Bee | 76 a<br>100 D=0.2 Single Pulse<br>500 EaTT e rmrrERAToeaatill | LYyd iti Mt fg|SNhl D=0.05 atteTWEll ee|<br>100μµ  1m 10m 100m 1 10 100 1k<br>Pulse Width (s)<br>Transient Thermal Impedance<br>C/W)<br>o<br>Thermal Resistance (<br>**----- End of picture text -----**<br>


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BC817-16Q / -25Q / -40Q Document number: DS38331 Rev. 4 - 2 

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**BC817-16Q /-25Q /-40Q** 

**Electrical Characteristics** (@ TA = +25°C, unless otherwise specified.) 

|**Electrical Characteristics** (@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|**Electrical Characteristics** (@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|(@ TA = +25°C, unless otherwise specified.)A = +25°C, unless otherwise specified.)= +25°C, unless otherwise specified.)|||||
|---|---|---|---|---|---|---|---|
|**Characteristic**<br>~~oe~~||**Symbol**<br>~~oe~~|**Min**<br>~~oe~~|**Typ**<br>~~oe~~|**Max**<br>~~oe~~|**Unit**<br>~~oe~~|**Test Condition**<br>~~oe~~|
|Collector-Base Breakdown Voltage<br>~~oe~~||BVCBO<br>~~oe~~|50<br>~~oe~~|—<br>~~oe~~|—<br>~~oe~~|V<br>~~oe~~|IC= 100µA<br>~~oe~~|
|Collector-Emitter Breakdown Voltage(Note 9)<br>~~a~~||BVCEO<br>~~a~~|45<br>~~a~~|—<br>~~a~~|—<br>~~a~~|V<br>~~a~~|IC= 10mA<br>~~a~~|
|Emitter-Base Breakdown Voltage<br>~~a~~||BVEBO<br>~~a~~|5<br>~~a~~<br>~~ee~~|—<br>~~a~~<br>~~ee~~|—<br>~~a~~<br>~~ee~~|V<br>~~a~~<br>~~ee~~|IC= 100µA<br>~~a~~|
|Collector-Emitter Cut-Off Current<br>~~ee~~||ICES<br>~~ee~~|—<br>~~ee~~<br>~~ee~~|—<br>~~ee~~<br>~~ee~~|100<br>5.0<br>~~ee~~<br>~~ee~~|nA<br>µA<br>~~ee~~<br>~~ee~~|VCE= 45V<br>VCE= 25V, TJ= +150°C<br>~~ee~~|
|Emitter-Base Cut-Off Current<br>~~De~~||IEBO<br>~~De~~|—<br>~~ee~~<br>~~De~~|—<br>~~ee~~<br>~~De~~|100<br>~~ee~~<br>~~De~~|nA<br>~~ee~~<br>~~De~~|VEB= 5.0V<br>~~De~~|
|DC Current Gain (Note 9)<br>~~De~~<br>~~pA~~|BC817-16Q<br>BC817-25Q<br>BC817-40Q<br>~~De~~<br>~~pA~~|hFE<br>~~De~~<br>~~pA~~|100<br>160<br>250<br>~~De~~<br>~~pA~~|—<br>~~De~~<br>~~pA~~|250<br>400<br>600<br>~~De~~<br>~~pA~~|—<br>~~De~~<br>~~pA~~|VCE= 1.0V, IC= 100mA<br>~~De~~<br>~~pA~~|
||BC817-16Q<br>BC817-25Q<br>BC817-40Q<br>~~pA~~<br>~~pf~~||60<br>100<br>170<br>~~pA~~<br>~~tt~~||—<br>~~pA~~<br>~~P|~~||VCE= 1.0V, IC= 300mA<br>~~pA~~|
|Collector-Emitter Saturation Voltage(Note 9)<br>~~a~~||VCE(sat)<br>~~a~~|—<br>~~a~~|—<br>~~a~~|0.7<br>~~a~~|V<br>~~a~~|IC= 500mA, IB= 50mA<br>~~a~~|
|Base-Emitter Voltage(Note 9)<br>~~a~~||VBE<br>~~a~~|—<br>~~a~~|—<br>~~a~~|1.2<br>~~a~~|V<br>~~a~~|VCE= 1.0V, IC= 300mA<br>~~a~~|
|Transition frequency<br>~~a~~<br>~~ee~~||fT<br>~~a~~<br>~~ee~~|100<br>~~a~~<br>~~ee~~|—<br>~~a~~<br>~~ee~~|—<br>~~a~~<br>~~ee~~|MHz<br>~~a~~<br>~~ee~~|VCE= 5.0V, IC= 10mA,<br>f = 50MHz<br>~~a~~<br>~~ee~~|
|Collector-Base Capacitance<br>~~OG~~||CCBO<br>~~OG~~|—<br>~~OG~~|—<br>~~OG~~|12<br>~~OG~~|pF<br>~~OG~~|VCB= 10V, f = 1.0MHz<br>~~OG~~|



Note: 9. Measured under pulsed conditions. Pulse width ≤ 300µs. Duty cycle ≤ 2%. 

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**BC817-16Q /-25Q /-40Q** 

**Typical Electrical Characteristics** (@ TA = +25°C, unless otherwise specified.) 

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500<br>ere|<br>400<br>fea<br>2<br>eee<br>300<br>”)/Z2aeneee<br>LS<br>200<br>———<br>MWY na<br>100<br>i7asee<br>fo<br>0 ETT |<br>0 1 2<br>VCE, COLLECTOR-EMITTER VOLTAGE (V)<br>Figure 1  Typical Collector Current vs. Collector-Emitter Voltage IC  V  VCE<br>1,000 VCE = 1V<br>= H<br>150°C<br>Sa oes TA = 25 a °C et Lil atl<br>-50°C<br>100 TMH TN<br>Ope at t<br>Sei eat meet<br>a<br>at mart pat<br>10 a ee<br>0.1 1 10 100 1,000<br>IC, COLLECTOR CURRENT (mA)<br>Figure 3  Typical DC Current Gain vs. Collector Current hFE  V  IC<br>1,000<br>a | mall<br>eria ee |<br>— Voge = 5V<br>SR<br>100<br>LZ |<br>10 2 COMME en CA|<br>1 10 100 1,000<br>IC, COLLECTOR CURRENT (mA)<br>Figure 5  Gain-Bandwidth Product vs. Collector Current fT  V  IC<br>, COLLECTOR CURRENT (mA)<br>IC<br>, DC CURRENT GAIN<br>FE<br>h<br>, GAIN-BANDWIDTH PRODUCT (MHz)<br>fT<br>**----- End of picture text -----**<br>


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100<br>TT [TTT]<br>80<br>TTT hl<br>(ry eT<br>rr<br>60<br>{=<br>POP P<br>40<br>SERSEEEErS<br>Pt ot | EE TT<br>20<br>pl<br>SRRRReee<br>0 Seeeeeeeee<br>0 10 20<br>VCE, COLLECTOR-EMITTER VOLTAGE (V)<br>Figure 2  Typical Collector Current vs. Collector-Emitter Voltage IC  V  VCE<br>0.5<br>0H|<br>0.4<br>IC / IB = 10<br>Cerne ! |<br>0.3<br>CC<br>0<br>0.2<br>Ha<br>a a a Alli<br>25° C<br>0.1<br>150°C -50°C<br>at aA<br>0 eeSSTCoEog Fai]Heat<br>0.1 1 10 100 1,000<br>IC, COLLECTOR CURRENT (mA)<br>Figure 4  Typical Collector-Emitter Saturation Voltage vs. Collector Current VCE(sat)  V  IC<br>, COLLECTOR CURRENT (mA)<br>IC<br>COLLECTOR-EMITTER<br>,<br>CE(sat)CE(SAT)  SATURATION VOLTAGE (V)<br> VV<br>**----- End of picture text -----**<br>


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**BC817-16Q /-25Q /-40Q** 

## **Package Outline Dimensions** 

Please see http://www.diodes.com/package-outlines.html for the latest version. 

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SOT23<br>**----- End of picture text -----**<br>


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SOT23<br>All 7° Dim  Min  Max  Typ<br>H A  0.37  0.51  0.40<br>GAUGE PLANE B  1.20  1.40  1.30<br>0.25 C  2.30  2.50  2.40<br>J<br>K1 K D  0.89  1.03  0.915<br>F  0.45  0.60  0.535<br>a G  1.78  2.05  1.83<br>A M H  2.80  3.00  2.90<br>J  0.013  0.10  0.05<br>L L1<br>aa | = K  0.890  1.00  0.975<br>K1  0.903  1.10  1.025<br>L  0.45  0.61  0.55<br>uo a L1  0.25  0.55  0.40<br>C B M  0.085 0.150  0.110<br>a  0°  8°  --<br>All Dimensions in mm<br>-—_ —_ —_<br>| Lo EF 44<br>D<br>F G<br>ested Pad Layoutyoutout<br>Please see http://www.diodes.com/package-outlines.html for the latest version.<br>SOT23<br>Y<br>Dimensions  Value (in mm)<br>C  2.0<br>X  0.8<br>Y1 ae C<br>X1  1.35<br>Y  0.9<br>Y1  2.9<br>a ae<br>Co X Ld X1<br>**----- End of picture text -----**<br>


## **Suggested Pad Layoutyoutout** 

Please see http://www.diodes.com/package-outlines.html for the latest version. 

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**BC817-16Q /-25Q /-40Q** 

## **IMPORTANT NOTICE** 

1. DIODES INCORPORATED AND ITS SUBSIDIARIES (“DIODES”) MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 

2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who design with Diodes products. Diodes products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of the Diodes products for their intended applications, (c) ensuring their applications, which incorporate Diodes products, comply the applicable legal and regulatory requirements as well as safety and functional-safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality control techniques, redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risks associated with their applications. 

3. Diodes assumes no liability for any application-related information, support, assistance or feedback that may be provided by Diodes from time to time. Any customer or user of this document or products described herein will assume all risks and liabilities associated with such use, and will hold Diodes and all companies whose products are represented herein or on Diodes’ websites, harmless against all damages and liabilities. 

4. Products described herein may be covered by one or more United States, international or foreign patents and pending patent applications. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks and trademark applications. Diodes does not convey any license under any of its intellectual property rights or the rights of any third parties (including third parties whose products and services may be described in this document or on Diodes’ website) under this document. 

5. Diodes products are provided subject to Diodes’ Standard Terms and Conditions of Sale (https://www.diodes.com/about/company/terms-and-conditions/terms-and-conditions-of-sales/)  or other applicable terms. This document does not alter or expand the applicable warranties provided by Diodes. Diodes does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. 

6. Diodes products and technology may not be used for or incorporated into any products or systems whose manufacture, use or sale is prohibited under any applicable laws and regulations. Should customers or users use Diodes products in contravention of any applicable laws or regulations, or for any unintended or unauthorized application, customers and users will (a) be solely responsible for any damages, losses or penalties arising in connection therewith or as a result thereof, and (b) indemnify and hold Diodes and its representatives and agents harmless against any and all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim relating to any noncompliance with the applicable laws and regulations, as well as any unintended or unauthorized application. 

7. While efforts have been made to ensure the information contained in this document is accurate, complete and current, it may contain technical inaccuracies, omissions and typographical errors. Diodes does not warrant that information contained in this document is error-free and Diodes is under no obligation to update or otherwise correct this information. Notwithstanding the foregoing, Diodes reserves the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the final and determinative format released by Diodes. 

8. Any unauthorized copying, modification, distribution, transmission, display or other use of this document (or any portion hereof) is prohibited. Diodes assumes no responsibility for any losses incurred by the customers or users or any third parties arising from any such unauthorized use. 

Copyright © 2021 Diodes Incorporated 

**www.diodes.com** 

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