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BTA26-600BRG
Triac, 600 V, 25 A, TOP-3, 1.5 V, 250 A, 80 mA
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: STMICROELECTRONICS
- Product type:
- Peak Repetitive Off-State Voltage, Vdrm:600V; On State RMS Current IT(rms):25A; Triac Case Style:TOP-3; Gate Trigger Current Max (QI), Igt:50mA; Gate Trigger Voltage Max Vgt:1.5V; Peak Gate Power
- MSL: -
- 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: 25A
- Peak On State Voltage: 1.55V
- Gate Trigger Voltage Max: 1.5V
- Operating Temperature Max: 125°C
- Peak Non Repetitive Surge Current: 250A
- Peak Repetitive Off State Voltage: 600V
| Delivery and price | |
|---|---|
| Units per pack | 1000 |
| Price | 2.04 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
**BTA26, BTB26** Datasheet ## 800 V and 600 V, 25 A standard Triacs in TOP3 package **==> picture [148 x 141] intentionally omitted <==** **----- Start of picture text -----**<br> A2<br>G<br>A1 A2<br>A1<br>A2 G A1<br>A2<br>G<br>TOP3 Isolated TOP3<br>**----- End of picture text -----**<br> ## **Features** - High current Triac - Low thermal resistance with clip bonding - Standard commutation (4 quadrants) or snubberless (3 quadrants), both with high turn-off commutation - BTA26 UL1557 recognized components (file ref: 81734) - RoHS (2002/95/EC) compliant packages ## **Applications** - On/off function in static relays, heating regulation, induction motor starting circuits - Phase control operations in light dimmers and motor speed controllers ## **Description** Available in TOP3 insulated and non-insulated package, BTA26 and BTB26 are suitable for general purpose AC switching. BTA26 and BTB26 provide an insulated tab (rated at 2500 VRMS). These components are UL recognized and meet UL 1557 (file ref. 81734). |**Product status link**|**Product status link**| |---|---| |BTA26|TOP3 isolated<br>package| |BTB26|TOP3 package| ||| |**Product summary**|| |**IT(RMS)**|25 A| |**VDRM/VRRM**|600 V to 800 V| |**IGT(standard)**|50 mA| |**IGT(Snubberless)**<br>**BTA26**(1)|35 / 50 mA| _1. 600 V version available only with IGT = 50 mA (Snubberless and Standard)_ **DS13701** - **Rev 1** - **August 2021** For further information contact your local STMicroelectronics sales office. www.st.com **BTA26, BTB26 Characteristics** ## **1 Characteristics** **Table 1. Absolute maximum ratings** |**Symbol**|**Parameters**|||**Value**|**Unit**| |---|---|---|---|---|---| |IT(RMS)|RMS on-state current (180° conduction angle)|BTA26 (TOP3 Ins.)|Tc= 100 °C|25|A| |||BTB26 (TOP3)|Tc= 105 °C||| |ITSM|Non repetitive surge peak on-state current (full<br>cycle, Tjinitial = 25 °C)|f = 60 Hz|tp= 16,7 ms|260|A| |||f = 50 Hz|tp= 20 ms|250|| |I2t|I2t value for fusing|tp= 10 ms||340|A2s| |dl/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 voltage|tp= 20 ms|Tj= 25 °C|VDRM, VRRM<br>+ 100|V| |IGM|Peak gate current|tp= 20 µs|Tj= 125 °C|4|A| |PG(AV)|Average gate power dissipation||Tj= 125 °C|1|W| |Tstg|Storage junction temperature range|||-40 to +150|°C| |Tj|Operating junction temperature range|||-40 to +125|°C| |TL|Maximum lead temperature for soldering during 10 s|||250|°C| |VINS|Insulation RMS voltage, 1 minute|||2500|V| **Table 2. Electrical characteristics (Tj = 25 °C, unless otherwise specified) - Snubberless and Standard (3 quadrants)** |**Sbl**|**Pt**|**Qdt**||**BTA/BTB**|**BTA/BTB**|**Uit**| |---|---|---|---|---|---|---| |**ymo**|**arameers**|**uaran**||**CW**|**BW**|**n**| |IGT(1)|VD= 12 V, RL= 33 Ω|I - II - III|Max.|35|50|mA| |VGT||I - II - III|Max.|1.3||V| |VGD|VD= VDRM, RL= 3.3 kΩ, Tj= 125 °C|I - II - III|Min.|0.2||V| |IH(2)|IT= 500 mA||Max.|50|75|mA| |IL|IG= 1.2 IGT|I - III|Max.|70|80|mA| |||II|Max.|80|100|| |dV/dt(2)|VD= 67 % VDRMgate open, Tj= 125 °C||Min.|500|1000|V/µs| |(dI/dt)c(2)|(dI/dt)c = 20 A/ms, without snubber at Tj= 125 °C||Min.|13|22|A/ms| _1. Minimum IGT is guaranteed at 5 % of IGT max._ _2. For both polarities of A2 referenced to A1_ **DS13701** - **Rev 1** **page 2/10** **BTA26, BTB26 Characteristics** **Table 3. Electrical characteristics (Tj = 25 °C, unless otherwise specified) - Standard (4 quadrants)** |**Symbol**|**Parameters**|**Quadrant**||**Value**|**Unit**| |---|---|---|---|---|---| |IGT(1)|VD= 12 V, RL= 33 Ω|I - II - III<br>IV|Max.|50<br>100|mA| |VGT||All|Max.|1.3|V| |VGD|VD= VDRM, RL= 3.3 kΩ, Tj= 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|Max.|160|| |dV/dt(2)|VD= 67 % VDRMgate open, Tj= 125 °C||Min.|500|V/µs| |(dV/dt)c(2)|(dI/dt)c = 13.3 A/ms, Tj= 125 °C||Min.|10|V/µs| _1. Minimum IGT is guaranteed at 5 % of IGT max._ _2. For both polarities of A2 referenced to A1_ **Table 4. Static electrical characteristics** |**Symbol**|**Test conditions**|**Tj**||**Value**|**Unit**| |---|---|---|---|---|---| |VTM(1)|ITM= 35 A, tp= 380 µs|25 °C|Max.|1.55|V| |VTO(1)|threshold on-state voltage|125 °C|Max.|0.85|V| |RD(1)|Dynamic resistance|125 °C|Max.|16|mΩ| |IDRM/IRRM|VT= VDRM, VT= VRRM|25 °C|Max.|5|µA| |||125 °C||3|mA| _1. For both polarities of A2 referenced to A1_ **Table 5. Thermal resistance** |**Symbol**||**Parameters**||**Value**|**Unit**| |---|---|---|---|---|---| |Rth(j-c)|Junction to case (AC)|BTA26 (TOP3 Ins.)|Max.|0.9|°C/W| |||BTB26 (TOP3)||0.6|| |Rth(j-a)|Junction to ambient|BTA26 (TOP3 Ins.) / BTB26 (TOP3)|Typ.|50|| **DS13701** - **Rev 1** **page 3/10** **BTA26, BTB26 Characteristics (curves)** ## **1.1 Characteristics (curves)** **==> picture [513 x 191] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 1. Maximum power dissipation versus on-state Figure 2. RMS on-state current versus case temperature<br>RMS current (full cycle) (full cycle)<br>P(W) IT(RMS) (A)<br>30<br>30<br>25 BTB26<br>25<br>BTA26<br>20 20<br>15 15<br>10 10<br>5 5<br>I T(RMS) (A) TC (°C)<br>0 0<br>0 5 10 15 20 25<br>0 25 50 75 100 125<br>**----- End of picture text -----**<br> **Figure 3. Relative variation of thermal impedance versus Figure 4. On-state characteristics (maximum values) pulse duration** **==> picture [477 x 155] intentionally omitted <==** **----- Start of picture text -----**<br> ITM(A)<br>K=[Z th/Rth] 1000<br>1.E+00<br>T j max.<br>Vto = 0.85V<br>Zth(j-a) Rd = 16 mΩ<br>100<br>1.E-01<br>[T] j [= 150 ] [°] [C]<br>Zth(j-a)<br>. 10 Tj = 25°C.<br>1.E-02<br>V TM (V)<br>1.E-03 t p (s) 1<br>0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5<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> **==> picture [513 x 193] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 5. Surge peak on-state current versus number of Figure 6. Non-repetitive surge peak on-state current for a<br>cycles sinusoidal pulse with width tP < 10 ms<br>300 ITSM (A) ITSM(A), I²t (A²s)<br>10000<br>250<br>t=20ms<br>200 Non repetitive T j initial=25°C One cycle [T] j [initial=25 °C]<br>dI/dt limitation: 50A/µs ITSM<br>150<br>1000<br>Repetitive<br>100 TC= 100 °C<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>**----- End of picture text -----**<br> **DS13701** - **Rev 1** **page 4/10** **BTA26, BTB26 Characteristics (curves)** **Figure 7. Relative variation of gate trigger current, holding and latching current versus junction temperature (typical values)** **==> picture [222 x 148] intentionally omitted <==** **----- Start of picture text -----**<br> IGT, IH, IL [T j] / IGT, IH, IL [T j = 25 °C]<br>2.5<br>2.0<br>IGT<br>1.5<br>IH & IL<br>1.0<br>0.5<br>T j (°C)<br>0.0<br>-40 -20 0 20 40 60 80 100 120<br>**----- End of picture text -----**<br> **Figure 9. Relative variation of critical rate of decrease of main current versus junction temperature** **==> picture [224 x 149] intentionally omitted <==** **----- Start of picture text -----**<br> 8 (dI/dt)c [Tj ] / (dI/dt)c [Tj = 125 °C]<br>7<br>6<br>5<br>4<br>3<br>2<br>1<br>0 T j (°C)<br>0 25 50 75 100 125<br>**----- End of picture text -----**<br> **Figure 8. Relative variation of critical rate of decrease of main current versus (dV/dt) (typical values)** **==> picture [223 x 148] intentionally omitted <==** **----- Start of picture text -----**<br> (dI/dt)c [(dV/dt)c] / specified (dI/dt)c<br>2.4<br>2.2<br>2.0<br>1.8<br>1.6 BTA26<br>1.4<br>1.2<br>1.0 BTB26<br>0.8<br>0.6 (dV/dt) (V/µs)<br>0.4<br>0.1 1.0 10.0 100.0<br>**----- End of picture text -----**<br> **Figure 10. Relative variation of leakage current versus junction temperature for different values of blocking voltage** **==> picture [224 x 147] intentionally omitted <==** **----- Start of picture text -----**<br> IDRM / IRRM (mA)<br>1.E+00<br>1.E-01 VD = VDRM, VR = VRRM<br>1.E-02<br>1.E-03<br>1.E-04<br>1.E-05<br>Tj (°C)<br>1.E-06<br>-40 -20 0 20 40 60 80 100 120<br>**----- End of picture text -----**<br> **DS13701** - **Rev 1** **page 5/10** **BTA26, BTB26 Package information** **2 Package information** 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. ## **2.1 TOP3 insulated and non-insulated package information** - Epoxy meets UL94, V0 - Lead-free packages - Recommended torque: 1.05 N·m (max. torque: 1.2 N·m) ## **Figure 11. TOP3 insulated and non-insulated package outline** **==> picture [312 x 371] intentionally omitted <==** **DS13701** - **Rev 1** **page 6/10** **BTA26, BTB26 TOP3 insulated and non-insulated package information** **Table 6. TOP3 insulated and non-insulated mechanical data** ||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**| |---|---|---|---|---|---|---| |**Ref.**|**mm**|||**Inches(1)**||| ||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**| |A|4.40||4.60|0.1732||0.1812| |B|1.45||1.55|0.0570||0.0611| |C|14.35||15.60|0.5649||0.6142| |D|0.50||0.70|0.0196||0.0276| |E|2.70||2.90|0.1062||0.1142| |F|15.80||16.50|0.6220||0.6497| |G|20.40||21.10|0.8031||0.8308| |H|15.10||15.50|0.5944||0.6103| |J|5.40||5.65|0.2125||0.2225| |K|3.40||3.65|0.1338||0.1438| |L|4.08||4.17|0.1606||0.1642| |M|1.20||1.40|0.0472||0.0552| |R||4.60|||0.1811|| _1. Inches given for reference only_ **DS13701** - **Rev 1** **page 7/10** **BTA26, BTB26 Ordering information** ## **3 Ordering information** **Figure 12. Ordering information scheme (BTA26 and BTB26)** **==> picture [365 x 239] intentionally omitted <==** **----- Start of picture text -----**<br> BT A 26 - 600 BW RG<br>Triac series<br>Insulation<br>A = Insulated<br>B = Non-insulated<br>Current<br>26 = 25 A in TOP3 or TOP3 insulated<br>Voltage<br>600 = 600 V<br>800 = 800 V<br>Sensitive and type<br>B = 50 mA Standard<br>BW = 50 mA Snubberless<br>CW = 35 mA Snubberless<br>Package<br>RG = Tube<br>**----- End of picture text -----**<br> **Table 7. Ordering information** |**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**| |---|---|---|---|---|---| |BTA26-600BRG|BTA26600B|TOP3 Ins.|4.5 g|30|Tube| |BTA26-600BWRG|BTA26600BW||||| |BTA26-800BRG|BTA26800B||||| |BTB26-800BWRG|BTB26800BW|TOP3|||| |BTB26-800CWRG|BTB26800CW||||| |BTB26-600BRG|BTB26600B||||| **DS13701** - **Rev 1** **page 8/10** **BTA26, BTB26** ## **Revision history** **Table 8. Document revision history** |**Date**|**Revision**|**Changes**| |---|---|---| |03-Aug-2021|1|Initial release.| **DS13701** - **Rev 1** **page 9/10** **BTA26, BTB26** ## **IMPORTANT NOTICE – PLEASE READ CAREFULLY** STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. For additional information about ST trademarks, please refer to www.st.com/trademarks. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2021 STMicroelectronics – All rights reserved **DS13701** - **Rev 1** **page 10/10**
Updated at June 10, 2026
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