MELF (Plastic) Dimensions in i…

SM4001

DIODE GEN PURP 50V 1A MELF

SM4001 is a 1A/50V glass passivated junction single diode in MELF plastic package, featuring low forward voltage drop and high reliability for surface mount applications, RoHS compliant.Checked against the datasheet

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Technical parameters

Key specs

Reverse voltage50 V

Average rectified current1 A

Datasheet-verified parameters

15 items

Parameter	Value and test conditions	Source
Maximum Average Forward Rectified Current	1.0 A
Maximum Recurrent Peak Reverse Voltage	50 V
Maximum Forward Voltage	1.1 V at IF=1.0 A
Diode Type	Single phase, half wave, 60 Hz, resistive or inductive load
Package	MELF, Plastic
Operating and Storage Temperature Range	-55 to +150 °C
RoHS	Pb / RoHS Free
Maximum RMS Reverse Voltage	35 V
Maximum DC Blocking Voltage	50 V
Peak Forward Surge Current	30 A (8.3ms single half sine wave Superimposed on rated load)
Maximum DC Reverse Current	5.0 μA at Ta = 25 °C, 50 μA at Ta = 125 °C
Typical Thermal Resistance, Junction to Ambient	50 °C/W
Typical Junction Capacitance	15 pF (Measured at 1.0 MHz and applied reverse voltage of 4.0 V DC)
Flammability Classification Rating	UL 94 V-0
Polarity	Color band

All parameters (6)ExpandCollapse

Power
Maximum Average Forward Rectified Current	1.0 A
Maximum Forward Voltage at $I_F=1.0 A.$	1.1 V
Maximum Recurrent Peak Reverse Voltage	50 V
Peak Forward Surge Current 8.3ms single half sine wave Superimposed on rated load (JEDEC Method )	30 A
Environment and package
Case	MELF, Plastic
Operating and Storage Temperature Range	-55 to +150 °C

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DatasheetDatasheet · 208.4 KB · 2026-10-26

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Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.