Surface Mount Schottky Rectifier KUU KCMSH3-40MA Offering High Surge Current and Loss in Compact Size
Key Attributes
Model Number:
KCMSH3-40MA
Product Custom Attributes
Non-Repetitive Peak Forward Surge Current:
80A
Reverse Leakage Current (Ir):
500uA@40V
Operating Junction Temperature Range:
-55℃~+125℃
Voltage - DC Reverse (Vr) (Max):
40V
Diode Configuration:
Independent
Voltage - Forward(Vf@If):
550mV@3A
Current - Rectified:
3A
Mfr. Part #:
KCMSH3-40MA
Package:
SMA
Product Description
Product Overview
The KCMSH3-40MA is a Surface Mount Schottky Barrier Rectifier designed for low voltage, high frequency applications. It features a metal silicon junction for majority carrier conduction, offering low power loss, high efficiency, and high forward surge current capability. Ideal for use in inverters, free wheeling, and polarity protection.
Product Attributes
- Case: SMA
- Terminals: Solderable per MIL-STD-750, Method 2026
- Approx. Weight: 60mg / 0.0021oz
Technical Specifications
| Symbol | Parameter | KCMSH3-40MA | Units | Conditions |
| VDC | Maximum DC Blocking Voltage | 40 | V | - |
| VRRM | Maximum Repetitive Peak Reverse Voltage | 28 | V | - |
| VRMS | Maximum RMS voltage | - | V | - |
| IF(AV) | Maximum Average Forward Rectified Current | 3.0 | A | Single phase, half wave, 60Hz resistive or inductive load, for capacitive load, derate by 20% Ta = 25C |
| IFSM | Peak Forward Surge Current, 8.3ms Single Half Sine-wave | 80 | A | Superimposed on Rated Load (JEDEC method) |
| VF | Max Instantaneous Forward Voltage | 0.55 | V | at IF = 3 A |
| IR | Maximum DC Reverse Current at Rated DC Reverse Voltage | 0.5 | mA | Ta = 25C |
| IR | Maximum DC Reverse Current at Rated DC Reverse Voltage | - | mA | Ta = 100C |
| Tj | Operating Junction Temperature Range | -55 ~ +125 | C | - |
| Tstg | Storage Temperature Range | -55 ~ +150 | C | - |
| RJA | Typical Thermal Resistance | 70 | C/W | P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas. |
| Cj | Typical Junction Capacitance | 450 | pF | Measured at 1 MHz and applied reverse voltage of 4 V D.C |
2410122003_KUU-KCMSH3-40MA_C2892544.pdf
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