規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Diode Type | Standard |
| Voltage - DC Reverse (Vr) (Max) | 200 V |
| Current - Average Rectified(Io) | 4A |
| Voltage - Forward (Vf) (Max) @ If | 1.05 V @ 4 A |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 30 ns |
| Current - Reverse Leakage @ Vr | 3 µA @ 200 V |
| Mounting Type | Surface Mount |
| Supplier Device Package | DPAK |
概述
Description
The STTH4R02B-TR is a high-efficiency, ultrafast recovery diode designed for switching power supplies, inverters, and other high-frequency applications. Key features include:
- Ultrafast Recovery Time: Typically 35 ns, reducing switching losses.
- Low Forward Voltage Drop: Enhances efficiency.
- High Surge Current Capability: Ensures reliability under transient conditions.
- Compact SMA Package: Suitable for space-constrained designs.
It is commonly used in SMPS, freewheeling diodes, and power factor correction (PFC) circuits. The TR suffix indicates tape-and-reel packaging for automated assembly.
Specifications:
- Voltage Rating: 200V
- Average Forward Current: 4A
- Peak Forward Surge Current: 100A
Ideal for high-frequency rectification where speed and efficiency are critical.
- Ultrafast Recovery Time: Typically 35 ns, reducing switching losses.
- Low Forward Voltage Drop: Enhances efficiency.
- High Surge Current Capability: Ensures reliability under transient conditions.
- Compact SMA Package: Suitable for space-constrained designs.
It is commonly used in SMPS, freewheeling diodes, and power factor correction (PFC) circuits. The TR suffix indicates tape-and-reel packaging for automated assembly.
Specifications:
- Voltage Rating: 200V
- Average Forward Current: 4A
- Peak Forward Surge Current: 100A
Ideal for high-frequency rectification where speed and efficiency are critical.
Equivalent
Equivalent products to the STTH4R02B-TR (4A, 200V ultrafast diode) include:
- STTH4R02D-TR (similar specs, different package)
- FFPF4U200S (Fairchild, 4A, 200V)
- ES1D (1A, 200V, but lower current)
- UF4004 (1A, 400V, slower recovery)
For closer matches, check STTH4R02FP or STTH4R02Q. Verify specs (current, voltage, recovery time) before substitution.
- STTH4R02D-TR (similar specs, different package)
- FFPF4U200S (Fairchild, 4A, 200V)
- ES1D (1A, 200V, but lower current)
- UF4004 (1A, 400V, slower recovery)
For closer matches, check STTH4R02FP or STTH4R02Q. Verify specs (current, voltage, recovery time) before substitution.
Features
The STTH4R02B-TR is a high-efficiency ultrafast diode with the following key features:
- Voltage Rating: 200V (reverse voltage)
- Current Rating: 4A (average forward current)
- Ultrafast Recovery: 35ns (typical reverse recovery time)
- Low Forward Voltage: 0.95V (typical at 4A)
- High Surge Current: 100A (non-repetitive peak)
- Package: SMB (surface-mount, compact design)
- Applications: Switching power supplies, freewheeling diodes, and high-frequency rectification
Designed for efficiency and speed, it minimizes switching losses in fast-switching circuits.
- Voltage Rating: 200V (reverse voltage)
- Current Rating: 4A (average forward current)
- Ultrafast Recovery: 35ns (typical reverse recovery time)
- Low Forward Voltage: 0.95V (typical at 4A)
- High Surge Current: 100A (non-repetitive peak)
- Package: SMB (surface-mount, compact design)
- Applications: Switching power supplies, freewheeling diodes, and high-frequency rectification
Designed for efficiency and speed, it minimizes switching losses in fast-switching circuits.
Pinout
The STTH4R02B-TR is a 4A, 200V ultrafast recovery diode in a SMB (DO-214AA) surface-mount package.
- Pin count: 2 pins (anode and cathode).
- Function: Designed for high-efficiency rectification in switching power supplies, freewheeling, and snubber applications.
- Key features:
- Ultrafast recovery time (≤35ns).
- Low forward voltage drop (≤0.95V at 4A).
- High surge current capability.
Commonly used in SMPS, inverters, and automotive systems.
- Pin count: 2 pins (anode and cathode).
- Function: Designed for high-efficiency rectification in switching power supplies, freewheeling, and snubber applications.
- Key features:
- Ultrafast recovery time (≤35ns).
- Low forward voltage drop (≤0.95V at 4A).
- High surge current capability.
Commonly used in SMPS, inverters, and automotive systems.
Application
The STTH4R02B-TR is a 4A, 200V ultrafast recovery diode, commonly used in:
1. Switching Power Supplies – For rectification and freewheeling in SMPS.
2. DC-DC Converters – Enhances efficiency in step-up/down circuits.
3. Motor Drives – Used in inverters for inductive load protection.
4. LED Lighting – Ensures smooth current flow in LED drivers.
5. Automotive Electronics – Supports power management in vehicle systems.
Its ultrafast recovery (≤35ns) minimizes switching losses, making it ideal for high-frequency applications.
1. Switching Power Supplies – For rectification and freewheeling in SMPS.
2. DC-DC Converters – Enhances efficiency in step-up/down circuits.
3. Motor Drives – Used in inverters for inductive load protection.
4. LED Lighting – Ensures smooth current flow in LED drivers.
5. Automotive Electronics – Supports power management in vehicle systems.
Its ultrafast recovery (≤35ns) minimizes switching losses, making it ideal for high-frequency applications.
