# Small Signal Diode, Single, 75 V, 500 mA, 1.25 V, 4 ns, 2 A
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**URL**: https://novapart.co/products/1N4448WX-TP/small-signal-diode-single-100-v-500-ma-125-4-ns-a
**SKU**: 1N4448WX-TP
**Manufacturer**: MICRO COMMERCIAL COMPONENTS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Small Signal Diodes
**Price**: €0.0420
**Stock**: 10+
## Description
The 1N4448WX-TP is a high-speed, small-signal switching diode housed in a surface-mount SOD-323 package. Engineered for efficient signal processing, this device features a repetitive peak reverse voltage of 100 V and a rapid reverse recovery time (trr) of 4 ns. With a power dissipation rating of 200 mW and an average forward current capacity of 250 mA, it is well-suited for high-frequency signal rectification, clamping, and general-purpose switching applications in compact electronic assemblies.
This diode is constructed with a robust silicon junction, offering a maximum forward voltage of 1.25 V at 150 mA. The component is designed for reliability in demanding thermal environments, supporting an operating junction temperature range of -65°C to +150°C. The SOD-323 package ensures compatibility with standard automated pick-and-place assembly processes, while the halogen-free, RoHS-compliant construction meets modern environmental standards. Its low junction capacitance of 4 pF further minimizes signal distortion, making it an effective solution for high-speed data lines and logic circuit protection.
## Specifications
| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| No. Of Pins | 2Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | SOD-323 |
| Diode Configuration | Single |
| Forward Voltage Max | 1.25V |
| Forward Surge Current | 2A |
| Reverse Recovery Time | 4ns |
| Average Forward Current | 500mA |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 75V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:4919587/)
**1N4448WX**
# **200mW High Voltage/Fast Switching Diode**
## **Product Summary**
|**Parameter**|**Rating**|
|---|---|
|VBR|100 V|
|trrMax|4 ns|
|IRMax @ VR= 75 V|1µA|
## **Features**
### **SOD-323**
- Fast Switching Speed
- High Conductance
## **Mechanical Data**
- Package: SOD-323
- Moisture Sensitivity: Level 1, per J-STD-020
- Halogen Free. “Green” Device(Note1)
- Epoxy Meets UL 94 V-0 Flammability Rating
- Lead Free Finish & RoHS Compliant
- Weight: 0.004 g (approximate)
## **Body Marking and Pin Layout**
Body Marking Internal structure
XX : Device Marking Code 1
Bar : Cathode Pin indicator
Dot (optional): Manufacturing Site Marking
1 | Refer to the ordering information for the specific | Refer to the ordering information for the specific
device code.
Body Marking Internal structure
XX : Device Marking Code 1
Bar : Cathode Pin indicator
Dot (optional): Manufacturing Site Marking
1 | Refer to the ordering information for the specific | Refer to the ordering information for the specific
device code.
# **Ordering Information**
|**Ordering Part Number**|**Device Marking Code**|**Reel Size**|**Packing Type**|**Qty/Reel**|**Pin 1 Orientation**|
|---|---|---|---|---|---|
|Product Name-TP|T5|7”|Tape & Reel|3,000|Q1Q2|
|Product Name-13P|T5|13”|Tape & Reel|10,000|Q1Q2|
|_For packaging details, visit our we_|_bsite at _https://www.mccsemi.com/P|ackage/List||||
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**1N4448WX**
# **200mW High Voltage/Fast Switching Diode**
## **Maximum Ratings (TA=25** ℃ **unless otherwise specified)**
|**Parameter**|**Symbol**|**Rating**|**Unit**|
|---|---|---|---|
|Peak Repetitive Reverse Voltage|VRRM|100|V|
|RMS Reverse Voltage|VR(RMS)|71|V|
|Reverse Voltage|VR|100|V|
|Average Forward Current|IF(AV)|250|mA|
|Non-Repetitive Peak Surge Current
tp= 8.3ms Half Sine Wave, TJ= 25℃|IFSM|4|A|
|Power Dissipation
(Note 2)|PD|200|mW|
|Operating Junction Temperature Range|TJ|-65 to +150|℃|
|Storage Temperature Range|TSTG|-65 to +150|℃|
Note:
1. Halogen free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
2. Device mounted on an FR4 Printed-Circuit Board (PCB) with the recommended pad layout.
## **Thermal characteristics (TA=25** ℃ **unless otherwise specified)**
|**Parameter**
Thermal Resistance from Junction to Ambient
(Note 2)|**Symbol**
RθJA|**Rating**
625|**Unit**
℃/W|
|---|---|---|---|
# **Electrical Characteristics (TA=25** ℃ **unless otherwise specified)**
|**Parameter**|**Test Conditions**|**Symbol**|**Min**|**Typ**|**Max**|**Unit**|
|---|---|---|---|---|---|---|
|Reverse Breakdown Voltage|IR=100 μA (pulse test)|VBR|100|||V|
||IF= 5 mA||||0.72||
|Forward Voltae|IF= 10 mA|V|||0.855|V|
|g|IF= 100 mA|F|||1||
||IF= 150 mA||||1.250||
||VR= 20 V||||0.025||
|R Ct|VR= 75 V|I|||1|A|
|everse urren|VR= 25 V, TJ=150℃|R|||30|µ|
||VR= 75 V, TJ=150℃||||50||
|Junction Capacitance|VR=0 V, f=1.0MHz|CJ|||4|pF|
|Reverse Recovery Time|IF=10mA, IR=10mA, Irr=0.1 x IR,
RL=100Ω|trr|||4|ns|
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**1N4448WX**
# **200mW High Voltage/Fast Switching Diode**
## **Curve Characteristics**
Fig.1 - Typical Instantaneous Forward Characteristics
(per diode)
1000
TJ=150℃
100℃
75℃
100
25℃
-55℃
10
1
0.1
0 0.5 1 1.5 2
Forward Voltage (V)
Fig.3 - Typical Capacitance Characteristics
(per diode)
1.8
1.7 T J =25℃
f=1MHz
1.6
1.5
1.4
1.3
1.2
1.1
1
0 5 10 15 20 25 30
Reverse Voltage (V)
Forward Current(mA)
Capacitance (pF)
Fig.2 - Typical Reverse Leakage Characteristics
(per diode)
100
Tj=150℃
10
Tj=100℃
Tj=75℃
1
0.1
Tj=25℃
0.01
0 25 50 75 100
Reverse Voltage (V)
Reverse Current (uA)
**Fig.4 - Power Derating Curve**
250
200
150
100
50
0
0 25 50 75 100 125 150
Ambient Temperature (℃)
Power Dissipation (mW)
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**SOD-323**
Rev.A
# Package Outline
L1
D
D1
A
c A1
E b
|DIM|IN|CH|M|M|NOTE|
|---|---|---|---|---|---|
||MIN|MAX|MIN|MAX||
|A|0.031|0.045|0.80|1.15*|Note 1|
|A1|0.000|0.006|0.00|0.15||
|b|0.010|0.016|0.25|0.40||
|c|0.003|0.010|0.08|0.25||
|D|0.090|0.107|2.30|2.70||
|D1|0.063|0.071|1.60|1.80||
|E|0.045|0.055|1.15|1.40||
|L1|0.004|0.018|0.10|0.45||
Notes:
1. Dimension A for products from manufacturing site VN is controlled at max 1.10 mm.
# Suggested Pad Layout (Unit:mm)
1.88
0.56
0.69
## Notes:
1. The suggested land pattern dimensions have been provided for reference only.
2. For further information, please refer to document IPC-7351A .
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## **DISCLAIMERS**
Micro Commercial Components Corp. (MCC) reserves the right to make changes to any product without prior notice, including corrections, modifications, enhancements, improvements, or other changes. MCC’s products are not designed, authorized, or warranted for use in medical, military, aircraft, space, or life support equipment, nor in applications where failure or malfunction of an MCC product can reasonably be expected to result in personal injury, death, or severe property or environmental damage. MCC does not assume liability for any application or use of the products described herein, nor does it convey any license under its patent rights or those of others. Users of MCC’s products in any such application assume all risks associated with their use and agree to hold MCC and all companies whose products are represented on our website harmless against any damages. MCC’s products are not authorized for use as critical components in life support devices or systems without the express written approval of MCC.
Counterfeiting of semiconductor parts is an increasing problem in the industry. MCC is taking strong measures to protect both ourselves and our customers from counterfeit products. We strongly encourage customers to purchase our parts either directly from MCC or through Authorized Distributors, who are listed by country on our website. Products purchased directly from MCC or from Authorized Distributors are genuine, have full traceability, and meet our quality standards for handling and storage. MCC will not provide warranty coverage or any other assistance for parts bought from Unauthorized Sources.
This document, along with the item(s) described within, may be subject to export control regulations. Exporting these items may require prior authorization from national authorities.
**Terms and Conditions -** MCC products are sold subject to the general terms and conditions of commercial sale, as published at https://www.mccsemi.com/Home/TermsAndConditions.
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## Links
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- [Supplier page](https://es.farnell.com/micro-commercial-components/1n4448wx-tp/small-signal-diode-75v-0-5a-sod/dp/4919587)
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