# Schottky Rectifier, 45 V, 20 A, Single, Axial Leaded, 2 Pins
**URL**: https://novapart.co/products/DST2045AX/schottky-rectifier-45-v-20-a-single-axial-leaded-2
**SKU**: DST2045AX
**Manufacturer**: LITTELFUSE
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €1.0100
**Stock**: 1000+
**Lead Time**: 209 days (indicative)
## Description
Repetitive Reverse Voltage Vrrm Max:45V; Forward Current If(AV):20A; Diode Configuration:Single; Diode Case Style:Axial Leaded; No. of Pins:2Pins; Forward Voltage VF Max:-; Forward Surge C
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (27-Jun-2024) |
| No. Of Pins | 2Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | Axial Leaded |
| Diode Configuration | Single |
| Forward Voltage Max | - |
| Forward Surge Current | 250A |
| Average Forward Current | 20A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 45V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:2773741/)
**Schottky Barrier Rectifier DST2045AX, 20A, 45V, Axial, Single**
~~RoHS Pb CLIO~~
## DST2045AX
## **Description** ~~Lo~~
Littelfuse DST series Ultra Low VF Schottky Barrier Rectifier is designed to meet the general requirements of commercial and industry applications by providing high temperature, low leakage and lower VF products.
It is suitable for high frequency switching mode power supply, free-wheeling diodes and polarity protection diodes.
## **Features**
## **Pin out** Lo
Anode
- Ultra low forward voltage • Guard ring for enhanced drop ruggedness and long term reliability
- High frequency operation
- Single die in P600 package
- High junction temperature capability
Cathode
## **Applications**
- Switching mode power • Free-Wheeling diodes supply • Polarity Protection Diodes
• DC/DC converters
|**Maximum Ratings**
~~|~~|**Maximum Ratings**
~~|~~|**Maximum Ratings**
~~|~~|**Maximum Ratings**
~~|~~|**Maximum Ratings**
~~|~~|
|---|---|---|---|---|
|Parameters|Symbol|Test Conditions|Max|Unit|
|Peak Inverse Voltage|VRWM|-|45|V|
|Average Forward Current (per device)|IF(AV)|50% duty cycle @TA=25°C
rectangular wave form|20|A|
|Peak One Cycle Non-Repetitive Surge
Current (per leg)|IFSM|8.3 ms, half Sine pulse|250|A|
|**Electrical Characteristics**
~~LT~~|**Electrical Characteristics**
~~LT~~|**Electrical Characteristics**
~~LT~~|**Electrical Characteristics**
~~LT~~|**Electrical Characteristics**
~~LT~~|
|---|---|---|---|---|
|Parameters|Symbol|Test Conditions|Max|Unit|
|Forward Voltage Drop (per leg) *|VF1
VF2|@20A, Pulse, TJ= 25 °C
@20A, Pulse, TJ= 125 °C|0.58
0.50|V|
|Reverse Current (per leg) *|IR1
IR2|@VR= rated VRTJ= 25 °C
@VR= rated VRTJ= 125 °C|1.2
35|mA|
* Pulse Width < 300μs, Duty Cycle <2%
©2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16
**Schottky Barrier Rectifier DST2045AX, 20A, 45V, Axial, Single**
**==> picture [94 x 32] intentionally omitted <==**
**==> picture [506 x 574] intentionally omitted <==**
**----- Start of picture text -----**
Thermal-Mechanical Specifications
Parameters Symbol Test Conditions Max Unit
Junction Temperature TJ -55 to +150 °C
Storage Temperature Tstg -55 to +150 °C
Thermal Resistance Junction
to Ambient RthJA DC operation 55 °C/W
Approximate Weight wt 2.24 g
Case Style P600
Figure 1: Typical Forward Characteristics Figure 2: Typical Reverse Characteristics
º C
ºC
º C
ºC
Figure 3: Typical Junction Capacitance
ºC
**----- End of picture text -----**
©2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16
**Schottky Barrier Rectifier DST2045AX, 20A, 45V, Axial, Single**
**==> picture [506 x 495] intentionally omitted <==**
**----- Start of picture text -----**
Dimensions- P600
CO
Inches Millimeters
D Dimensions
Min Max Min Max
n | rs
C A 1.000 - 25.40 -
—— [-—:
B 0.340 0.360 8.60 9.10
A B A
F o i C 0.048 0.052 1.20 1.30
D 0.340 0.360 8.60 9.10
Part Numbering and Marking System Packing Options
es §=—
Part Number Marking Packing Mode M.O.Q
DST2045AX DST2045AX 500pcs / reel 2500
DS = Device Type
T = Ultralow VF
20 = Forward Current (20A)
DST2045AX 45 = Reverse Voltage (45V)
LF YYWWL AX = Package Type
LF = Littelfuse
YY = Year
WW = Week
L = Lot Number
Carrier Tape & Reel Specification
TT
90°±5°
Z D0 Millimeters
A Symbol
Min Max
4 - 7 -4 | LT
E W A 9.5 10.5
B 50.9 53.9
Tope Ta
L1 B D 330.0 typ
D0 30.1 30.9
L ETTER E 0.8 max
B L1 1.0 max
NAO TE)
OHAARE | L2 1.0 max
D
L2 T 5.6 6.4
W 78.0 81.0
C ELLET
Z 1.2 max
T
E P oe |
**----- End of picture text -----**
©2016 Littelfuse, Inc Specifications are subject to change without notice. Revised:02/03/16
## Links
- [View this product on Novapart](https://novapart.co/products/DST2045AX/schottky-rectifier-45-v-20-a-single-axial-leaded-2)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/littelfuse/dst2045ax/schottky-rect-45v-20a-axial/dp/2773741)
---
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