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70TPS16
Vishay General Semiconductor - Diodes Division
SCR 1.6KV 75A SUPER-247
1261 Pcs New Original In Stock
SCR 1.6 kV 75 A Standard Recovery Through Hole SUPER-247™ (TO-274AA)
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5.0 / 5.0
- (222 Ratings)
70TPS16
Product Overview
946185
DiGi Electronics Part Number
70TPS16-DGManufacturer
Vishay General Semiconductor - Diodes Division
70TPS16
Description
SCR 1.6KV 75A SUPER-247Inventory
1261 Pcs New Original In Stock
SCR 1.6 kV 75 A Standard Recovery Through Hole SUPER-247™ (TO-274AA)
Quantity
Minimum 1
Minimum 1
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70TPS16 Technical Specifications
Category
Thyristors, SCRs
Packaging
-
Series
-
Product Status
Obsolete
Voltage - Off State
1.6 kV
Voltage - Gate Trigger (Vgt) (Max)
1.5 V
Current - Gate Trigger (Igt) (Max)
100 mA
Voltage - On State (Vtm) (Max)
1.4 V
Current - On State (It (AV)) (Max)
70 A
Current - On State (It (RMS)) (Max)
75 A
Current - Hold (Ih) (Max)
200 mA
Current - Off State (Max)
1 mA
Current - Non Rep. Surge 50, 60Hz (Itsm)
1400A @ 50Hz
SCR Type
Standard Recovery
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-274AA
Supplier Device Package
SUPER-247™ (TO-274AA)
Base Product Number
70TPS16
Datasheet & Documents
Datasheets
Download 70TPS16 Product Specification (PDF)
HTML Datasheet
70TPS16-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.30.0080
Additional Information
Other Names
VS70TPS16
VS-70TPS16
*70TPS16
VS-70TPS16-DG
VS70TPS16-DG
Standard Package
500
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
항상 정시 배송이 이루어지고, 제품 품질도 탁월해서 믿고 구매합니다.
de desembre 02, 2025
Leurs produits contribuent à la réussite de mes projets grâce à leur haute performance et leur fiabilité.
de desembre 02, 2025
商品の耐久性に驚きました。何度も使用していますが、全く壊れる気配がありません。
de desembre 02, 2025
The cost savings with DiGi Electronics enable me to allocate more budget to innovation and research.
de desembre 02, 2025
We appreciate their extensive inventory that keeps our production lines running smoothly without stock shortages.
de desembre 02, 2025
Their attention to secure packaging reflects their commitment to quality service.
de desembre 02, 2025
The company's logistics process is impressively efficient, ensuring timely delivery every time.
de desembre 02, 2025
We highly value DiGi Electronics' punctuality, which aligns perfectly with our project timelines.
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Frequently Asked Questions (FAQ)
Can I use the 70TPS16 SCR as a drop-in replacement for the SCT1675CS in a high-voltage motor control circuit, and what design risks should I consider given its obsolete status?
While the 70TPS16 and SCT1675CS share similar voltage (1.6 kV) and current ratings (75 A RMS), direct replacement requires careful evaluation of gate drive requirements and thermal performance. The 70TPS16 has a higher maximum gate trigger current (100 mA vs. ~50 mA for SCT1675CS), which may overload legacy gate drivers not designed for that level. Additionally, since the 70TPS16 is obsolete, long-term supply chain risk increases—consider qualifying an alternate RoHS-compliant part like CS20-16IO1 if future production is planned. Always validate thermal derating under actual load conditions, especially since both parts use through-hole packaging with different mounting footprints that can affect heatsink compatibility.
What are the key thermal management challenges when designing with the 70TPS16 in a 70 A continuous conduction application, and how does its TO-274AA package impact heatsink selection?
The 70TPS16’s TO-274AA (SUPER-247™) package has a relatively high thermal resistance (junction-to-case ~0.5°C/W typical for this class), so achieving reliable operation at 70 A average current demands aggressive heatsinking and forced airflow. At full load, even minor increases in junction temperature—due to poor thermal interface material (TIM) application or inadequate clamping force—can push the device beyond its 125°C limit. Use a flat, anodized aluminum heatsink with thermal resistance <0.3°C/W, apply uniform pressure (>50 psi), and consider adding a temperature sensor for over-temperature protection. Also note that the non-RoHS construction may complicate recycling or disposal in regulated markets.
How does the 70TPS16’s gate trigger characteristic (1.5 V, 100 mA max) affect compatibility with modern microcontroller-based gate drive circuits, and what precautions are needed to avoid false triggering or damage?
The 70TPS16 requires up to 100 mA of gate current to ensure reliable turn-on under worst-case conditions, which exceeds the drive capability of most MCU GPIO pins (typically <20 mA). Direct connection risks incomplete triggering or MCU damage. Instead, use a dedicated gate driver IC (e.g., MOC3021 opto-triac + buffer transistor) or a discrete push-pull stage capable of sourcing ≥100 mA pulses. Ensure the gate pulse width exceeds 20 µs to guarantee latching, especially at high temperatures where Igt increases. Also, include a gate resistor (10–100 Ω) to dampen oscillations and prevent dV/dt-induced false triggering, which is critical in noisy industrial environments.
Given that the 70TPS16 is obsolete and non-RoHS, what are the reliability and compliance implications for new designs targeting EU or medical applications, and which alternatives should be evaluated?
Using the 70TPS16 in new designs poses significant compliance and longevity risks: it is non-RoHS and obsolete, making it unsuitable for new EU CE-marked products or medical devices requiring full material disclosure under REACH. Long-term availability cannot be guaranteed, increasing redesign risk. For new designs, migrate to a compliant alternative such as the CS20-16IO1 (1.6 kV, 75 A, RoHS, in TO-247-3) or STMicroelectronics’ TN75N16TO, which offer better supply stability and modern packaging. If legacy support is mandatory, secure a lifetime buy and implement rigorous incoming inspection due to potential counterfeit risks with obsolete semiconductors.
What dV/dt and surge current limitations should I account for when using the 70TPS16 in a phase-controlled rectifier operating near its 1.6 kV blocking voltage, and how can I protect it from inductive kickback?
The 70TPS16 lacks a published critical dV/dt rating in many datasheets, but standard recovery SCRs like this typically tolerate 100–200 V/µs. In high-inductance circuits near 1.6 kV, voltage transients from line disturbances or commutation can exceed this, causing unintended turn-on. Always include an RC snubber (e.g., 100 Ω + 0.1 µF, 2 kV rated) directly across the anode-cathode terminals. Additionally, the 1400 A surge current rating (50 Hz, 1 cycle) is robust, but repeated surges reduce lifespan—use fast-acting fuses (e.g., semiconductor fuses like Bussmann FWP series) coordinated with the I²t of the 70TPS16 to protect against short-circuit events without nuisance blowing during startup inrush.
Quality Assurance (QC)
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70TPS16 CAD Models
Vishay General Semiconductor - Diodes Division 70TPS16 PCB symbols & footprints
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