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The SS34 is a 3A 40V Schottky Barrier Rectifier in the compact SMA (DO-214AC) surface-mount package. It is widely used in high-frequency DC-DC converters, polarity protection circuits, and freewheeling diode applications where low forward voltage drop and fast switching are required.
YINT Electronics offers the SS34 Schottky diode with a maximum forward voltage of only 0.55V at 3A, significantly reducing power loss in low-voltage circuits. The device delivers a peak forward surge current (IFSM) of 100A, providing excellent robustness during startup and transient events.
With an operating junction temperature range of -65°C to +125°C and SMA tape-and-reel packaging (5000 pcs/reel), the SS34 is suitable for automated high-volume assembly. It is a drop-in replacement for industry-standard SS34 diodes from other manufacturers.
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 40 | V |
| Average Forward Current | IF | 3.0 | A |
| Peak Forward Surge Current | IFSM | 100 | A |
| Forward Voltage (Max) | VF | 0.55 | V |
| Reverse Current @25°C (Max) | IR | 0.5 | mA |
| Reverse Current @100°C (Max) | IR | 20 | mA |
| Junction Temperature | TJ | -65 to +125 | °C |
| Package Type | SMA (DO-214AC) | ||
| Packing | 5000 pcs/reel |
| Brand | Part Number | Comment |
|---|---|---|
| YINT | SS34 | Direct replacement |
| ON Semiconductor | SS34 | Pin-to-pin compatible |
| Diodes Inc. | SS34 | Drop-in equivalent |
| Vishay | SS34 | Same SMA package |
| STMicroelectronics | SS34 | Functional equivalent |
| Micro Commercial | SS34 | Direct alternative |
| Parameter | SS34 (YINT) | SS24 | SS36 |
|---|---|---|---|
| VRRM | 40V | 40V | 60V |
| IF | 3A | 2A | 3A |
| VF (Max) | 0.55V | 0.55V | 0.70V |
| IFSM | 100A | 75A | 100A |
| Package | SMA | SMA | SMA |
The SS34 offers the best balance of 40V blocking voltage and 3A forward current for low-voltage power applications. Upgrade to SS36 if you need a 60V rating; drop to SS24 if 2A is sufficient for your design.
| Part Number | Package | Packing | MOQ |
|---|---|---|---|
| SS34 | SMA (DO-214AC) | Tape & Reel, 5000 pcs | 5000 |
Q1: What is the SS34 used for?
A1: The SS34 is used for DC-DC converter rectification, polarity protection, and freewheeling in low-voltage power circuits.
Q2: What is the forward voltage of SS34?
A2: Maximum 0.55V at 3A forward current, ensuring low power dissipation.
Q3: Can SS34 replace SS24?
A3: Yes, the SS34 is a higher-current replacement (3A vs 2A) with the same package.
Q4: What package is SS34 available in?
A4: SMA (DO-214AC) surface-mount package, 5000 pcs per reel.
Q5: Is SS34 RoHS compliant?
A5: Yes, it is RoHS and REACH compliant.
Q6: What is the surge current rating?
A6: 100A peak forward surge current (IFSM).
Q7: What is the operating temperature range?
A7: -65°C to +125°C junction temperature.
Q8: Does YINT provide samples?
A8: Yes, contact our sales team for sample requests.
Q9: What is the reverse leakage current?
A9: Maximum 0.5mA at 25°C and 20mA at 100°C.
The YINT SS34 is a reliable, low-forward-voltage Schottky rectifier in SMA package, ideal for 40V 3A power conversion. Contact YINT Electronics for pricing and samples.
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