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onsemi KSH200TF
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- Part No.:
- KSH200TF
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- -
- Datasheet:
-
KSH200TF.pdf
- Description:
- TRANS NPN 25V 5A DPAK
- Quantity:
- Payment:
- Shipping:
Inventory:9,981
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Product details
Overview
KSH200TF from ON Semiconductor is an NPN epitaxial silicon power transistor in D-PAK package, rated for 25 V VCEO, 5 A DC collector current, and 12.5 W collector dissipation at TC = 25°C. It delivers high DC current gain (hFE = 70–180), low VCE(sat) (0.3 V @ 500 mA), and 65 MHz fT, serving as a switching element in DC-DC converters and motor drive half-bridges.
For engineers reviewing the KSH200TF datasheet, pinout, applications, or equivalent options, key selection criteria include verified VCEO/IC derating behavior, D-PAK thermal performance under pulsed loads, safe operating area (SOA) compliance at 30 V, and base drive compatibility with 3.3 V/5 V logic-level controllers.
Technical Context
The KSH200TF operates as a medium-power NPN bipolar junction transistor optimized for linear and switching applications up to 65 MHz. Its epitaxial base structure enables stable hFE across IC = 500 mA–5 A and supports robust secondary breakdown immunity per SOA curves.
It features a monolithic D-PAK package with exposed drain pad (pin 2) for direct thermal mounting, specified with TJ = 150°C maximum and TSTG = −55 to 150°C. Electrical parameters are validated under pulse test conditions (PW ≤ 300 μs, duty cycle ≤ 2%).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 25 V - Maximum continuous collector-emitter voltage before avalanche breakdown; defines upper rail limit in low-voltage switching stages. |
| IC (DC) | 5 A - Sustained collector current capability; determines minimum heatsink sizing for 100% duty-cycle operation. |
| PC (TC = 25°C) | 12.5 W - Thermal power limit at case temperature 25°C; used to calculate junction-to-case thermal resistance θJC. |
| hFE | 70–180 - DC current gain range at VCE = 1 V; sets required base drive current for saturation across load current span. |
| VCE(sat) | 0.3–1.8 V - Collector-emitter voltage in saturation; directly impacts conduction loss and thermal rise at full load. |
| fT | 65 MHz - Current gain bandwidth product; confirms suitability for audio amplification and <100 kHz PWM switching with margin. |
Pinout & Package
D-PAK (TO-252) surface-mount package with copper leadframe, thermally enhanced tab (pin 2), and 3-terminal configuration. Dimensions: 6.60 × 9.50 mm body, 2.30 mm height, 0.76 mm lead thickness.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control terminal requiring 1 A max base current; connects to driver IC or microcontroller GPIO via current-limiting resistor. |
| 2 | Collector | Main power terminal with exposed metal tab; must be soldered to PCB copper pour for thermal management and electrical return path. |
| 3 | Emitter | Reference node for base-emitter bias; ties to ground or low-side shunt in switch-mode topologies. |
Key Features
| Feature | Design Value |
|---|---|
| High hFE at 5 A | hFE ≥ 10 @ VCE = 2 V, IC = 5 A - Reduces base drive power requirement and simplifies gate driver selection in high-current switches. |
| Low VCE(sat) | 0.3 V @ IC = 500 mA, IB = 50 mA - Minimizes conduction loss in battery-powered or efficiency-critical 5–24 V systems. |
| D-PAK thermal design | θJA = 90°C/W (standard PCB), θJC = 2.0°C/W - Enables >8 W dissipation with minimal heatsink in space-constrained industrial modules. |
| Robust SOA | Rated for 30 V / 5 A pulsed operation within 100 μs boundary - Supports reliable turn-on/turn-off in inductive load switching without snubbers. |
Applications
| DC-DC Converter Switch | Brushed DC Motor Driver |
|---|---|
Use Scenario: Step-down (buck) converter operating at 20–100 kHz with 12 V input and 5 V/3 A output. IC Role / Device Role / Timing Role: Main switching transistor handling peak currents up to 5 A during PWM on-time. Use Value: Low VCE(sat) and high hFE reduce conduction losses and driver complexity, improving overall efficiency by ≥2.5% vs. standard general-purpose transistors. | Use Scenario: H-bridge half-bridge leg driving 24 V, 3 A brushed motor in HVAC damper actuator. IC Role / Device Role / Timing Role: Low-side switch controlling motor direction and speed via PWM duty cycle. Use Value: Verified SOA at 30 V ensures reliable commutation during back-EMF spikes; D-PAK mounting enables direct thermal coupling to chassis ground. |
| Linear Regulator Pass Element | Industrial Sensor Power Switch |
Use Scenario: Adjustable 0–15 V, 2 A linear regulator using op-amp feedback and external pass device. IC Role / Device Role / Timing Role: Series pass transistor dissipating up to 10 W under worst-case dropout conditions. Use Value: 12.5 W PC rating and 150°C TJ allow stable operation without forced air cooling in enclosed enclosures. | Use Scenario: Controlled 24 V power delivery to analog pressure sensor array in factory automation PLC module. IC Role / Device Role / Timing Role: Load switch enabling/disabling sensor supply with overcurrent protection. Use Value: Fast turn-on/off times (<100 ns) support precise timing of sensor excitation cycles; low leakage (ICBO ≤ 100 nA) prevents signal drift in high-impedance inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN power transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MJD122G | VCEO = 100 V, IC = 8 A, hFE = 20–120, TO-252 package | Higher voltage rating but lower hFE at 5 A; wider SOA at elevated VCE | Preferred when system bus exceeds 30 V or transient overvoltage >40 V is expected. |
| FZT651 | VCEO = 60 V, IC = 3 A, hFE = 100–300, SOT-223 package | Lower current rating, higher hFE, smaller footprint; no exposed thermal pad | Selected for space-constrained designs where 3 A max load and board-level thermal management suffice. |
Compared with MJD122G and FZT651, the KSH200TF offers optimal balance of 25 V rating, 5 A capability, and D-PAK thermal performance for cost-sensitive 12–24 V industrial switching-without over-specifying voltage or sacrificing thermal headroom.
Availability
KSH200TF is available at Aetrix Electronics and suitable for DC-DC converters, brushed motor drivers, linear regulators, and industrial sensor power switches requiring stable component supply and long-term manufacturability.
Supply support for KSH200TF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
ON Semiconductor is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and edge applications.
The KSH200TF belongs to ON Semiconductor's legacy Fairchild power transistor portfolio, designed specifically for cost-effective, thermally robust medium-power switching in industrial control and power conversion systems.
FAQ
What is the maximum continuous collector current rating for the KSH200TF?
The KSH200TF has a maximum DC collector current rating of 5 A at TC = 25°C. This value decreases with rising case temperature per the power derating curve in the datasheet, reaching zero at TC = 150°C. For sustained 5 A operation, active or passive thermal management maintaining TC ≤ 60°C is required. The KSH200TF must not exceed its safe operating area limits under pulsed conditions.
Does the KSH200TF have a built-in flyback diode?
No, the KSH200TF is a discrete NPN bipolar junction transistor without any integrated flyback or clamp diode. When used in inductive switching applications such as motor drives or relay control, an external freewheeling diode must be connected across the load with correct polarity (cathode to VCC, anode to collector). The KSH200TF's SOA curves assume proper external protection is implemented.
Can the KSH200TF be used in linear amplifier configurations?
Yes, the KSH200TF supports linear operation with verified fT = 65 MHz and hFE stability across IC = 100 mA–5 A. Its SOA and thermal characteristics allow Class-A or Class-AB audio output stages up to 10 W, provided adequate heatsinking maintains TJ ≤ 150°C. Bias networks must ensure VCE remains within the linear region and avoids second breakdown.
What is the pin configuration of the KSH200TF in D-PAK package?
The KSH200TF in D-PAK (TO-252) package has three terminals: Pin 1 is Base, Pin 2 is Collector (connected to the exposed metal tab), and Pin 3 is Emitter. This configuration is standardized across Fairchild/ON Semiconductor D-PAK transistors and matches the mechanical drawing in Rev. B0 datasheet. No suffix indicates D-PAK; "-I" suffix denotes I-PAK variant.
Is the KSH200TF RoHS compliant and halogen-free?
Yes, the KSH200TF is RoHS compliant and halogen-free per ON Semiconductor's material declarations. It meets JEDEC J-STD-609 Category 1 for bromine/chlorine content and complies with EU Directive 2011/65/EU. Full compliance documentation, including substance declarations and test reports, is available through ON Semiconductor's Quality Portal using the KSH200TF part number.
KSH200TF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- *
- Package/Case:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- -
- Current - Collector (Ic) (Max):
- -
- Voltage - Collector Emitter Breakdown (Max):
- -
- Vce Saturation (Max) @ Ib, Ic:
- -
- Current - Collector Cutoff (Max):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- -
- Power - Max:
- -
- Frequency - Transition:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
KSH200TF FAQ
1.How can I place an order for KSH200TF through Aetrix?
Please submit a Request for Quotation (RFQ) for KSH200TF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for KSH200TF reliable?
The price and inventory of KSH200TF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for KSH200TF is usually 5 days.
3.What payment methods are accepted for KSH200TF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for KSH200TF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for KSH200TF?
KSH200TF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your KSH200TF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for KSH200TF?
For technical support, including KSH200TF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your KSH200TF requirements.
6.How does Aetrix verify that KSH200TF is sourced from the original manufacturer or authorized distributors?
All KSH200TF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that KSH200TF meets industry standards.
7.What is the process for return or replacement of KSH200TF?
All KSH200TF units undergo pre-shipment inspection (PSI). If there is an issue with KSH200TF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The KSH200TF part is unused and in its original packaging.
Return procedure for KSH200TF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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