BTB41-800BRG

Triac, 800 V, 41 A, TOP-3, 1.3 V, 400 A, 80 mA

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Manufacturer: STMICROELECTRONICS
Product type:
Peak Repetitive Off-State Voltage, Vdrm:800V; On State RMS Current IT(rms):41A; Triac Case Style:TOP-3; Gate Trigger Current Max (QI), Igt:50mA; Gate Trigger Voltage Max Vgt:1.3V; Peak Gate Power
MSL: MSL 1 - Unlimited
SVHC: No SVHC (25-Jun-2025)
No. of Pins: 3Pins
Product Range: -
Triac Case Style: TOP-3
Thyristor Mounting: Through Hole
Holding Current Max: 80mA
On State RMS Current: 41A
Peak On State Voltage: 1.55V
Gate Trigger Voltage Max: 1.3V
Operating Temperature Max: 125°C
Peak Non Repetitive Surge Current: 400A
Peak Repetitive Off State Voltage: 800V

Delivery and price
Units per pack	100
Price	3.89 €
Current stock	500+
Lead time	30 days

Datasheet

**==> picture [61 x 39] intentionally omitted <==**

## **BTA40, BTA41, BTB41** 

## 40 A standard TRIACs 

## **Features** 

- High current TRIAC 

- Low thermal resistance with clip bonding 

- High commutation capability 

- BTA series UL1557 certified (File ref: 81734) 

- Packages are RoHS (2002/95/EC) compliant 

## **Applications** 

- On/off function in static relays, heating regulation, induction motor starting circuits 

- Phase control operations in light dimmers, motor speed controllers, and similar 

## **Description** 

Available in high power packages, the BTA/BTB40-41 series is suitable for general purpose AC switching. 

**==> picture [198 x 256] intentionally omitted <==**

**----- Start of picture text -----**<br>
A2<br>G<br>A1<br>A1<br>G A2<br>RD91 insulated<br>(BTA40)<br>A2<br>A1<br>A2 A1<br>G A2<br>G<br>TOP3 insulated TOP3<br>(BTA41) (BTB41)<br>**----- End of picture text -----**<br>


The BTA series provides an insulated tab (rated at 2500 V rms). 

## **Table 1. Device summary** 

|**Symbol**|**Parameter**|**BTA40(1)**|**BTA41(1)**|**BTB41**|**Unit**|
|---|---|---|---|---|---|
|IT(RMS)|On-state rms current|40|41|41|A|
|VDRM/VRRM|Repetitive peak off-state voltage|600 and 800|600 and 800|600 and 800|V|
|IGT|Triggering gate current|50|50|50|mA|



1. Insulated package 

1/9 

August 2009 

Doc ID 7469 Rev 8 

_www.st.com_ 

**Characteristics** 

**BTA40, BTA41, BTB41** 

## **1 Characteristics** 

## **Table 2. Absolute maximum ratings** 

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|
|IT(RMS)|On-state rms current<br>(full sine wave)|TOP3|Tc= 95 °C|40|A|
|||RD91 / TOP ins.|Tc= 80 °C|||
|ITSM|Non repetitive surge peak on-state<br>current  (full cycle, Tjinitial = 25 °C)|F = 50 Hz|t = 20 ms|400|A|
|||F = 60 Hz|t = 16.7 ms|420||
|I²t|I²t Value for fusing|tp= 10 ms||1000|A²s|
|dI/dt|Critical rate of rise of on-state current<br>IG= 2 x IGT, tr ≤100 ns|F = 120 Hz|Tj= 125 °C|50|A/µs|
|VDSM/VRSM|Non repetitive surge peak off-state<br>voltage|tp= 10 ms|Tj= 25 °C|VDSM/VRSM+<br>100|V|
|IGM|Peak gate current|tp= 20 µs|Tj= 125 °C|8|A|
|PG(AV)|Average gate power dissipation||Tj= 125 °C|1|W|
|Tstg<br>Tj|Storage junction temperature range<br>Operating junction temperature range|||- 40 to + 150<br>- 40 to + 125|°C|



## **Table 3. Electrical characteristics (Tj = 25 °C, unless otherwise specified)** 

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|
|IGT<br>(1)|VD= 12 V       RL= 33Ω|I - II - III<br>IV|MAX.|50<br>100|mA|
|VGT||ALL|MAX.|1.3|V|
|VGD|VD= VDRMRL= 3.3 kΩTj= 125 °C|ALL|MIN.|0.2|V|
|IH(2)|IT= 500 mA||MAX.|80|mA|
|IL|IG= 1.2 IGT|I - III - IV|MAX.|70|mA|
|||II||160||
|dV/dt(2)|VD=  67% VDRMgate open|Tj= 125 °C|MIN.|500|V/µs|
|(dV/dt)c(2)|(dI/dt)c = 20 A/ms|Tj= 125 °C|MIN.|10|V/µs|



1. Minimum IGT is guaranted at 5% of IGT max. 

2. for both polarities of A2 referenced to A1 

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Doc ID 7469 Rev 8 

**Characteristics** 

**BTA40, BTA41, BTB41** 

**Table 4. Static characteristics** 

|**Symbol**|**Test conditions**|**Test conditions**|**Test conditions**|**Value**|**Unit**|
|---|---|---|---|---|---|
|VT<br>(1)<br>|ITM= 60 A        tp= 380 µs|Tj= 25 °C|MAX.|1.55|V|
|Vt0<br>(2)<br>|Threshold voltage|Tj= 125 °C|MAX.|0.85|V|
|Rd<br>(2)<br>|Dynamic resistance|Tj= 125 °C|MAX.|10|mΩ|
|IDRM<br>IRRM<br>|VDRM= VRRM|Tj= 25 °C|MAX.|5|µA|
|||Tj= 125 °C||5|mA|



1. Minimum IGT is guaranted at 5% of IGT max. 

2. for both polarities of A2 referenced to A1 

**Table 5. Thermal resistance** 

|**Symbol**|**Test conditions**|**Test conditions**|**Value**|**Unit**|
|---|---|---|---|---|
|Rth(j-c)|Junction to case (AC)|RD91 (insulated) / TOP3 insulated|0.9<br>0.6|°C/W|
|||TOP3|||
|Rth(j-a)|Junction to ambient|TOP3 / TOP3 insulated|50|°C/W|



**Figure 1. Maximum power dissipation versus Figure 2. On-state rms current versus case on-state rms current (full cycle) temperature (full cycle)** 

**==> picture [462 x 328] intentionally omitted <==**

**----- Start of picture text -----**<br>
P(W) IT(RMS)(A)<br>50 45<br>α=180°<br>40<br>40 35 BTA40 BTB41<br>BTA41<br>30<br>30<br>25<br>20<br>20<br>15<br>10 180α° 10<br>α 5 TC(°C)<br>IT(RMS)(A)<br>0 0<br>0 5 10 15 20 25 30 35 40 0 25 50 75 100 125<br>Figure 3. Relative variation of thermal  Figure 4. On-state characteristics (maximum<br>impedance versus pulse duration values)<br>1.E+00 K=[Zth/Rth []] ITM(A)<br>400<br>Zth(j-c) Tj max.<br>Vto = 0.85V<br>Rd = 10 mΩ<br>100<br>Tj = Tj max.<br>1.E-01 Zth(j-a)<br>BTA / BTB41<br>Tj = 25°C.<br>10<br>1.E-02<br>VTM(V)<br>1.E-03 tp(s) 1<br>0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03<br>**----- End of picture text -----**<br>


3/9 

Doc ID 7469 Rev 8 

**Characteristics** 

**BTA40, BTA41, BTB41** 

**Figure 5. Surge peak on-state current versus Figure 6. Non-repetitive surge peak on-state number of cycles current for a sinusoidal pulse and corresponding value of I[2] t** 

**==> picture [462 x 345] intentionally omitted <==**

**----- Start of picture text -----**<br>
ITSM(A) ITSM(A), I t (A s)2 2<br>450 10000<br>400 dI/dt limitation:50A/µs ITSM TPulse width tp < 10 msj initial=25 °C<br>350 Non repetitive t=20ms I t2<br>300 Tj initial=25°C One cycle 1000<br>250<br>200<br>150 Repetitive<br>TC=70°C<br>100<br>50<br>Number of cycles tp(ms)<br>0 100<br>1 10 100 1000 0.01 0.10 1.00 10.00<br>Figure 7. Relative variation of gate trigger,  Figure 8. Relative variation of critical rate of<br>holding and latching current versus  decrease of main current versus<br>junction temperature (dV/dt)c (typical values)<br>IGT,IH,IL[T ] /j IGT,IH,IL[T =25°C]j (dI/dt)c [(dV/dt)c] / specified (dI/dt)c<br>2.5 2.0<br>1.8<br>2.0<br>1.6<br>IGT<br>1.5 1.4<br>IH & IL Typical values 1.2<br>1.0 1.0<br>0.8<br>0.5<br>0.6<br>T (°C)j (dV/dt)c (V/µs)<br>0.0 0.4<br>-40 -20 0 20 40 60 80 100 120 140 0.1 1.0 10.0 100.0<br>**----- End of picture text -----**<br>


## **Figure 9. Relative variation of critical rate of decrease of main current versus (dV/dt)c** 

**==> picture [203 x 123] intentionally omitted <==**

**----- Start of picture text -----**<br>
(dI/dt)c [T ] /j (dI/dt)c [Tj specified]<br>6<br>5<br>4<br>3<br>2<br>1<br>T (°C)j<br>0<br>0 25 50 75 100 125<br>**----- End of picture text -----**<br>


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Doc ID 7469 Rev 8 

**Ordering information scheme** 

**BTA40, BTA41, BTB41** 

## **2 Ordering information scheme** 

## **Figure 10. Ordering information scheme** 

**BT   A   40  -  600   B   RG TRIAC series Insulation** A = insulated B = non-insulated **Current** 40 = 40 A in RD91 **Voltage** 600 = 600 V 800 = 800 V **Sensitivity and type** B = 50 mA standard **Packing mode** RG = Tube Blank = Bulk 

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Doc ID 7469 Rev 8 

**Package information** 

**BTA40, BTA41, BTB41** 

## **3 Package information** 

- Epoxy meets UL94, V0 

- Lead-free packages 

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. 

**Table 6. TOP3 insulated and non-insulated dimensions** 

|**K**||||**G**<br>**F**<br>**E**<br>**D**<br>**B**<br>**A**<br>**C**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|
|||||||**Millimeters**||**Inches**||
|||||||**Min.**|**Max.**|**Min.**|**Max.**|
||||**H**|||||||
|||**R**|**ØL**|||||||
||||||A|4.4|4.6|0.173|0.181|
||||||B|1.45|1.55|0.057|0.061|
|||||**F**||||||
||||||C|14.35|15.60|0.565|0.614|
|||||||||||
||**P**||||D|0.5|0.7|0.020|0.028|
||||||E|2.7|2.9|0.106|0.114|
||||||F|15.8|16.5|0.622|0.650|
|||**J**|**J**||G|20.4|21.1|0.815|0.831|
||||||H|15.1|15.5|0.594|0.610|
||||||J|5.4|5.65|0.213|0.222|
||||||K|3.4|3.65|0.134|0.144|
||||||ØL|4.08|4.17|0.161|0.164|
||||||P|1.20|1.40|0.047|0.055|
||||||R|4.60 typ.||0.181 typ.||



6/9 

Doc ID 7469 Rev 8 

**Package information** 

**BTA40, BTA41, BTB41** 

|**Table 7.**|**Table 7.**|**Table 7.**|**RD91 di**|**RD91 di**|**RD91 di**|**mensions**|**mensions**|**mensions**|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**B2**|||||||||**N1**<br>**B**<br>**F**<br>**I**<br>**B1**<br>**L1**<br>**C1**|**Ref.**|**Dimensions**||||
||||||||||||**Millimeters**||**Inches**||
||||||||||||**Min.**|**Max.**|**Min.**|**Max.**|
|||||||||||A|-|40.00|-|1.575|
|||||**L2**||**A2**|||||||||
||||||||||||||||
|||||||||||A1|29.90|30.30|1.177|1.193|
|||**C**|||||||||||||
|||||||||||A2|-|22.00|-|0.867|
|||||||||||B|-|27.00|-|1.063|
|||||||||||B1|13.50|16.50|0.531|0.650|
||**N**||**2**<br>**C2**|||**A1**||||B2|-|24.00|-|0.945|
|||||||||||C|-|14.00|-|0.551|
|||||||||||C1|-|3.50|-|0.138|
||||||||||**N1**<br>**F**||||||
|||||||||||C2|1.95|3.00|0.077|0.118|
|||||||||||E3|0.70|0.90|0.027|0.035|
||||||||||||||||
||||**E3**|||**A**||||F|4.00|4.50|0.157|0.177|
|||||||||||I|11.20|13.60|0.441|0.535|
|||||||||||L1|3.10|3.50|0.122|0.138|
||||||||||||||||
||||||||||||||||
|||||||||||L2|1.70|1.90|0.067|0.075|
|||||||||||N1|33°|43°|33°|43°|
|||||||||||N2|28°|38°|28°|38°|



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Doc ID 7469 Rev 8 

**Ordering information** 

**BTA40, BTA41, BTB41** 

## **4 Ordering information** 

## **Table 8. Ordering information** 

|**Order code(1)**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|BTA40-xxxB|BTA40xxxB|RD91|20 g|25|Bulk|
|BTA41-xxxBRG|BTA41xxxB|TOP3 Ins.|4.5 g|30|Tube|
|BTB41-xxxBRG|BTB41xxxB|TOP3|4.5 g|30|Tube|



1. xxx = voltage 

## **5 Revision history** 

## **Table 9. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|Sep-2003|5|Last update.|
|25-Mar-2005|6|TOP3 delivery mode changed from bulk to tube.|
|14-Oct-2005|7|Tcvalues for ITchanged in Table 3. ECOPACK<br>statement added.|
|10-Aug-2009|8|Updated_Table 2_to correctly place packages. Updated<br>_Figure 2_._Table 5_changed to correctly place TOP3.<br>Updated ECOPACK statement.|



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**BTA40, BTA41, BTB41** 

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