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September 2011 Doc ID 13574 Rev 2 1/10

T1235H, T1250H

High temperature 12 A Snubberless™ Triacs

Features

■ Medium current Triac

■ 150 °C max. T

turn-off commutation

■ Low thermal resistance with clip bonding

■ Very high 3 quadrant commutation capability

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

■ UL certified (ref. file E81734)

Applications

Especially designed to operate in high power

density or universal motor applications such as

vacuum cleaner and washing machine drum

motor, these 12 A Triacs provide a very high

switching capability up to junction temperatures of

150 °C.

The heatsink can be reduced, compared to

traditional Triacs, according to the high

performance at given junction temperatures.

Description

Available in through-hole or surface mount

packages, the T1235H and T1250H Triac series

are suitable for general purpose mains power ac

switching.

By using an internal ceramic pad, the T12xxH-6I

provides voltage insulation (rated at 2500 V rms).

TM: Snubberless is a trademark of STMicroelectronics

Table 1. Device summary

Symbol Value Unit

T(RMS)

12 A

DRM

RRM

600 V

35 or 50 mA

PAK

T12xxH-6G

TO-220AB

T12xxH-6T

TO-220AB Insulated

T12xxH-6I

www.st.com

Summary of content (10 pages)

PAGE 1
T1235H, T1250H High temperature 12 A Snubberless™ Triacs Features A2 ■ Medium current Triac ■ 150 °C max. Tj turn-off commutation ■ Low thermal resistance with clip bonding ■ Very high 3 quadrant commutation capability ■ Packages are RoHS (2002/95/EC) compliant ■ UL certified (ref.
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Characteristics T1235H, T1250H 1 Characteristics Table 2. Absolute maximum ratings Symbol Parameter IGM PG(AV) Tstg Tj Table 3. A TO-220AB Ins Tc = 120 °C Non repetitive surge peak on-state current (full cycle, Tj initial = 25 °C) F = 50 Hz t = 20 ms 120 F = 60 Hz t = 16.
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T1235H, T1250H Table 4. Static characteristics Symbol VT (1) Characteristics Test conditions Value Unit ITM = 17 A, tp = 380 µs Tj = 25 °C MAX. 1.5 V Vt0 (1) Threshold voltage Tj = 150 °C MAX. 0.80 V Rd (1) Dynamic resistance Tj = 150 °C MAX. 30 mΩ Tj = 25 °C MAX. 5 µA Tj = 150 °C MAX. 3.9 VD/VR = 400 V (at peak mains voltage) Tj = 150 °C MAX. 3.2 VD/VR = 200 V (at peak mains voltage) Tj = 150 °C MAX. 2.7 VDRM = VRRM IDRM IRRM (2) mA 1.
PAGE 4
Characteristics Figure 1. T1235H, T1250H Maximum power dissipation versus Figure 2. on-state rms current (full cycle) On-state rms current versus case temperature (full cycle) IT(RMS) (A) P(W) 14 14 α=180 ° TO-220AB/D²PAK 12 12 10 10 8 8 6 6 4 TO-220AB Insulated 4 180° 2 2 TC(°C) α=180 ° IT(RMS)(A) 0 0 0 1 2 3 Figure 3. 4 5 6 7 8 9 10 11 12 On-state rms current versus ambient temperature 0 25 Figure 4. IT(RMS) (A) 1.0E+02 4.
PAGE 5
T1235H, T1250H Figure 7. 10000 Characteristics Non-repetitive surge peak on-state Figure 8. current for a sinusoidal pulse with Relative variation of IGT,IH, IL vs junction temperature (typical values) IGT, IH, IL [T j] / IGT, IH, IL [T j=25°C] ITSM(A), I²t (A²s) 2.5 Tj initial=25 °C dI/dt limitation: 50 A/µs IGT 2.0 1000 1.5 ITSM IH & IL 1.0 I²t 100 0.5 2 width tp < 10 ms and corresponding value of I t 10 0.01 Figure 9. 2.0 0.10 1.00 tP(ms) Tj(°C) 0.0 10.
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Ordering information scheme 2 T1235H, T1250H Ordering information scheme Figure 13.
PAGE 7
T1235H, T1250H 3 Package information Package information ● Epoxy meets UL94, V0 ● Recommended torque 0.4 to 0.6 N·m 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. D2PAK dimensions Dimensions Ref. Millimeters Min. A E C2 L2 D L Typ. Inches Max.
PAGE 8
Package information Table 7. T1235H, T1250H TO-220AB and TO-220AB Ins dimensions Dimensions Ref. Millimeters Min. A 15.20 a1 C B ØI Typ. Max. Inches Min. Typ. 15.90 0.598 3.75 Max. 0.625 0.147 a2 13.00 14.00 0.511 0.551 B 10.00 10.40 0.393 0.409 b1 0.61 0.88 0.024 0.034 b2 1.23 1.32 0.048 0.051 C 4.40 4.60 0.173 0.181 c1 0.49 0.70 0.019 0.027 c2 2.40 2.72 0.094 0.107 e 2.40 2.70 0.094 0.106 F 6.20 6.60 0.244 0.259 ØI 3.75 3.85 0.147 0.151 I4 15.
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T1235H, T1250H 4 Ordering information Ordering information Table 8. 5 Ordering information Order code Marking Package Weight Base qty Delivery mode T12xxH-6G T12xxH 6G D2PAK 1.5 g 50 Tube T12xxH-6G-TR T12xxH 6G D2 1.5 g 1000 Tape and reel T12xxH-6T T12xxH 6T TO-220AB 2.3 g 50 Tube T12xxH-6I T12xxH 6I TO-220AB Ins 2.3 g 50 Tube PAK Revision history Table 9. Document revision history Date Revision Changes 17-Apr-2007 1 First issue.
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T1235H, T1250H Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale.