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US1M on a board, in 3D

US1M

Diodes Incorporated

-65℃~+150℃ 1.7V@1A 1A 1kV 5uA@1kV 75ns SMA Fast Recovery / High Efficiency Diodes ROHS

Extended
Category
Fast Recovery , High Efficiency Diodes
Package
SMA
Pins
2

Overview

The US1M is a fast Recovery , High Efficiency Diode made by Diodes Incorporated in a SMA package with 2 pins. -65℃~+150℃ 1.7V@1A 1A 1kV 5uA@1kV 75ns SMA Fast Recovery / High Efficiency Diodes ROHS.

PCBKit's library has its KiCad symbol (Diode:US1M, from KiCad's library) and its footprint (Diode_SMD:D_SMA, from KiCad's library), ready for a KiCad board. 203,576 are in stock at JLCPCB (part C99333).

Symbol

Diode:US1MFrom KiCad's library

Footprint

12
Diode_SMD:D_SMAFrom KiCad's library

From the datasheet

6
Reverse voltage, most
1 kV · repetitive peak reverse voltage, max · p. 1
Forward current, most
1 A · average rectified forward current at TL = 110 °C, max · p. 1
Forward voltage
1.7 V · IF = 1 A, TJ = 25 °C, max; 300 us pulse, 2% duty cycle · p. 1
Junction, hottest
150 °C · operating junction temperature, max · p. 1
Junction to air (SMA)
60 K/W · junction to ambient, typical · p. 1
Junction to case (SMA)
18 K/W · junction to case, typical · p. 1

Parameters

12
Current - Rectified
1A
Forward Current(If)
1A
Junction Temperature(Max)
150℃
Operating Junction Temperature Range
-65℃~+150℃
Reverse Leakage Current (Ir)
5uA@1kV
Reverse Recovery Time (trr)
75ns
Reverse Voltage
1000V
Thermal Resistance(Junction to Ambient)
60℃/W
Thermal Resistance(Junction to Case)
18℃/W
Voltage - DC Reverse(Vr)
1kV
Voltage - Forward(Vf)
1.7V
Voltage - Forward(Vf@If)
1.7V@1A

Order codes

2

Pinout

2
The pins of the US1M
PinNameType
1KPassive
2APassive

Show this part on your page

A live frame, for any web page
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A picture
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A picture that opens the part, for a README
[![US1M](https://pcbkit.io/embed/parts/diodes/US1M.jpg?size=s)](https://pcbkit.io/parts/diodes/US1M)

Questions

Is there a KiCad symbol and footprint for the US1M?

Yes. The symbol is Diode:US1M and the footprint Diode_SMD:D_SMA, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the US1M?

SMA, with 2 pins. Its footprint is drawn on this page.

Where is the US1M datasheet?

Diodes Incorporated publishes it: the Datasheet link on this page opens it.

Where can I order the US1M?

JLCPCB lists it as part C99333, with 203,576 in stock; the sellers' links on this page open their listings.

What can replace the US1M?

Parts like it in the library: the US1M by MDD, the RS1M by hongjiacheng, the US1M by hongjiacheng and the RS1M by MDD. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8