ABB 5STP38Q4200 4200V 4420A Phase Control Thyristor
Manufacturer: ABB
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Part Number: 5STP38Q4200
Condition：New with Original Package
Product Type: Phase Control Thyristors
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB 5STP38Q4200 Phase Control Thyristor
The ABB 5STP38Q4200, also cataloged as the 5STP38Q4200 Phase Control Thyristor (PCT), serves as the primary 5STP38Q4200 high-power semiconductor utilized to execute phase-controlled rectification and switching circuits across industrial power conversion platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 5STP38Q4200 |
| Brand | ABB |
| Origin | Switzerland |
| Weight | 2.1 kg |
| Dimensions | 151 mm x 151 mm x 26 mm |
| Operating Temp | Up to +125 deg C junction temperature limit |
| Power Consumption | Dependent on forward conduction drop (VT0 = 0.973 V) |
| Repetitive Peak Voltage (VDRM/VRRM) | 4200 V |
| Average On-State Current (IT(AV)) | 4420 A |
| RMS Current (IT(RMS)) | 6950 A |
| Surge Current (ITSM) | 64.5 kA |
| Critical dv/dt | 2000 V/mu s |
| Leakage Current | 400 mA at 125 deg C |
| Package Volume | 0.593 dm cubed |
V/Hz and Field-Oriented Vector Control
The high-power semiconductor interfaces within variable frequency drives and large rectifiers to maintain stable current conduction curves during V/Hz and field-oriented vector control routines. The free-floating silicon technology combined with an interdigitated amplifying gate minimizes internal transient thermal resistance to 0.126 mOhm, optimizing thermal heat sink dissipation profiles. This dynamic allows the device to handle high surge currents without structural breakdown, maintaining gate trigger synchronization despite steep forward voltage rises or extreme line-side harmonic distortion.
Frequently Asked Questions
Q: What is the benefit of the free-floating silicon design in the 5STP38Q4200?
A: The design permits the silicon wafer to expand and contract autonomously inside the housing, avoiding internal mechanical strain and micro-fracturing during cyclical thermal loading.
Q: How does the device protect downstream networks against rapid voltage spikes?
A: The semiconductor exhibits a high critical dv/dt rating of 2000 V/mu s, which prevents accidental self-triggering when exposed to severe voltage changes on the supply grid.
Q: Does the thyristor include built-in overcurrent protection arrays?
A: No, this is a discrete semiconductor components. External protective networks, such as quick-acting fuses and snubber circuits, must be integrated to manage overload states.
Field Installation Guidelines
- Clean the contact faces of both the thyristor and the cooling heat sink meticulously, applying a fine layer of specialized thermal paste to optimize electrical and thermal conductivity.
- Apply exact, balanced clamping pressure using calibrated mounting hardware to ensure uniform force distribution across the internal silicon wafer elements.
- Route all gate trigger connection lines directly to the firing card using short, twisted cabling to suppress external electromagnetic noise pickup.
- Check that external air or liquid cooling systems conform strictly to the thermal load parameters required to sustain operation below the 125 deg C junction limit.