# Fast / Ultrafast Diode, 400 V, 1.5 A, Single, 1.3 V, 50 ns, 50 A

![Product image](https://novapart.co/image/farnell:2677292/)

**URL**: https://novapart.co/products/HER155/fast-ultrafast-diode-400-v-15-a-single-13-50-ns
**SKU**: HER155
**Manufacturer**: TAIWAN SEMICONDUCTOR
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Fast & Ultrafast Recovery Rectifier Diodes
**Price**: €0.0970
**Stock**: 10+

## Description

Repetitive Reverse Voltage Vrrm Max:400V; Forward Current If(AV):1.5A; Diode Configuration:Single; Forward Voltage VF Max:1.3V; Reverse Recovery Time trr Max:50ns; Forward Surge C

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (17-Jan-2023) |
| No. Of Pins | 2 Pin |
| Product Range | - |
| Qualification | - |
| Diode Case Style | DO-204AC |
| Diode Configuration | Single |
| Forward Voltage Max | 1.3V |
| Forward Surge Current | 50A |
| Reverse Recovery Time | 50ns |
| Average Forward Current | 1.5A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 400V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2677292/)

**HER151 - HER158** 

## **Pb RoHSCOMPLIANCE** 

## **Features** ~~——~~ — 

High efficiency, Low VF ~~BO~~ High current capability 

1.5AMPS. High Efficient Rectifiers **DO-15** 

High reliability 

High surge current capability 

free wheeling, and polarity protection application ° For use in low voltage, high frequency inventor, 

Green compound with suffix "G" on packing code & prefix "G" on datecode ° 

## ~~—_—~~ **Mechanical Data** 

> Case: Molded plastic DO-15 

- Epoxy: UL 94V-0 rate flame retardant 

> Lead: Pure tin plated, lead free, solderable per MIL-STD-202, Method 208 guaranteed[a] Polarity: Color band denotes cathode 

## **Dimensions in inches and (millimeters)** 

**Marking Diagram** HER15X = Specific Device Code G = Green Compound Y = Year WW = Work Week 

High temperature soldering guaranteed: 260 ℃ /10 seconds/.375", (9.5mm) lead lengths at 5 lbs, (2.3kg) tension 

Mounting position: Any * Weight: 0.4 grams 

## **Maximum Ratings and Electrical Characteristics** 

Rating at 25 ℃ ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20% 

|For capacitive load, derate current by 20%pacitive load, derate current by 20%acitive load, derate current by 20%, derate current by 20%derate current by 20%y 20%20%|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|**Type Number**|**Symbol**|**HER**<br>**151**|**HER**<br>**152**|**HER**<br>**153**|**HER**<br>**154**|**HER**<br>**155**|**HER**<br>**156**|**HER**<br>**157**|**HER**<br>**158**|**Units**|
|Maximum Recurrent Peak Reverse Voltage<br>~~pe~~<br>~~Pe~~|VRRM<br>~~pe~~<br>~~a~~|50<br>~~pe~~<br>~~ee~~|100<br>~~pe~~<br>~~ee~~|200<br>~~pe~~<br>~~ee~~|300<br>~~pe~~<br>~~ee~~|400<br>~~pe~~<br>~~ee~~|600<br>~~pe~~<br>~~ee~~|800<br>~~pe~~<br>~~ee~~|1000<br>~~pe~~<br>~~ee~~|V<br>~~pe~~<br>~~ee~~|
|Maximum RMS Voltage<br>~~Pe~~|VRMS<br>~~a~~|35<br>~~ee~~|70<br>~~ee~~|140<br>~~ee~~|210<br>~~ee~~|280<br>~~ee~~|420<br>~~ee~~|560<br>~~ee~~|700<br>~~ee~~|V<br>~~ee~~|
|Maximum DC Blocking Voltage<br>~~Pe ~~|VDC<br> ~~a ~~|50<br> ~~ee ~~|100<br> ~~ee~~|200<br>~~ee~~|300<br>~~ee ~~|400<br> ~~ee~~|600<br>~~ee~~|800<br>~~ee~~|1000<br>~~ee ~~|V<br> ~~ee~~|
|Maximum Average Forward Rectified Current<br>.375 (9.5mm) Lead Length @ TA=55℃<br>~~a~~|IF(AV)|1.5||||||||A|
|Peak Forward Surge Current, 8.3 ms Single Half Sine-<br>wave Superimposed on Rated Load (JEDEC method)|IFSM|50||||||||A|
|Maximum Instantaneous Forward Voltage  (Note 1)<br>@ 1.5A|VF|1.0||||1.3|1.7|||V|
|Maximum DC Reverse Current       @ TA=25℃<br>at Rated DC Blocking Voltage        @ TA=125℃|IR|5<br>150||||||||uA<br>uA|
|Maximum Reverse Recovery Time (Note 2)<br>~~DG~~|Trr<br>~~DG~~|50<br>~~DG~~|||||75<br>~~DG~~|||nS<br>~~DG~~|
|Typical Junction Capacitance (Note 3)<br>~~DG~~|Cj<br>~~DG~~|50<br>~~DG~~<br>~~GO~~|||||35<br>~~DG~~|||pF<br>~~DG~~|
|Typical Thermal Resistance (Note 4)<br>~~DQ~~<br>~~a~~|RθJA<br>~~DQ~~|60<br>~~DQ~~<br>~~GO~~<br>~~GO~~||||||||OC/W<br>~~DQ~~|
|Operating Temperature Range<br>~~DO~~<br>~~a~~|TJ<br>~~DO~~|- 65 to + 150<br>~~GO~~<br>~~DO~~<br>~~GO~~||||||||OC<br>~~DO~~|
|Storage Temperature Range<br>~~a~~|TSTG<br>~~G~~|- 65 to + 150<br>~~GO~~<br>~~G~~||||||||OC<br>~~G~~|



Note 2: Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A 

Note 3: Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C. 

Note 4: Mount on Cu-Pad Size 10mm x 10mm on PCB 

Version:C10 

## RATINGS AND CHARACTERISTIC CURVES (HER151 THRU HER158) 

**==> picture [214 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
FIG.1- MAXIMUM FORWARD CURRENT DERATING<br>            CURVE<br>3.0<br>RESISTIVE OR<br>INDUCTIVE LOAD<br>2.0<br>1.0<br>0.0<br>0 25 50 75 100 125 150 175<br>AMBIENT TEMPERATURE ( [o] C)<br>A<br>CURRENT (A)<br>AVERAGE FORWARD<br>**----- End of picture text -----**<br>


**==> picture [222 x 339] intentionally omitted <==**

**----- Start of picture text -----**<br>
FIG. 3- MAXIMUM  NON-REPETITIVE FORWARD<br>             SURGE CURRENT<br>80<br>70 PT<br>60 8.3mS Single Half Sine Wave<br>JEDEC Method<br>50<br>40<br>30<br>eeeee<br>20<br>P| Pe TT TTT<br>10<br>0<br>1 10 100<br>NUMBER OF CYCLES AT 60 Hz<br>FIG. 4- TYPICAL JUNCTION CAPACITANCE<br>175<br>150<br>125<br>100 HER151-HER155<br>75<br>50<br>HER156-HER158<br>250 EsAweSX we<br>0.1 1 10 100 1000<br>REVERSE VOLTAGE (V)<br>A<br>CURRENT (A)<br>PEAK FORWARD SURGE<br>JUNCTION CAPACITANCE (pF)<br>**----- End of picture text -----**<br>


**==> picture [180 x 197] intentionally omitted <==**

**----- Start of picture text -----**<br>
    FIG. 2- TYPICAL REVERSE CHARACTERISTICS<br>1000<br>eee:<br>100<br>ee<br>>ae<br>TA=100 ℃<br>10 ——<br>=a@S= TA=75 ℃ a<br>1 Fy<br>TA=25 ℃<br>=e tT<br>ee [ee] SS<br>0.1 Pot | ee<br>0 20 40 60 80 100 120 140<br>PERCENT OF RATED PEAK REVERSE VOLTAGE<br>(%)<br>INSTANTANEOUS REVERSE CURRENT (uA)<br>**----- End of picture text -----**<br>


**==> picture [187 x 218] intentionally omitted <==**

**----- Start of picture text -----**<br>
FIG. 5- TYPICAL INSTANTANEOUS<br>             FORWARD CHARACTERISRICS<br>100<br>==<br>HER155<br>10 OS<br>——————————<br>a ee ee A) Ae eee<br>a HER151-HER154 Vf<br>1 an Aa<br>0.1<br>cae san<br>HER156-HER158<br>0.01<br>0 0.2 0.4 0.6 0.8 1 1.2 1.4<br>FORWARD VOLTAGE (V)<br>CURRENT (A)<br>INSTANTANEOUS FORWARD<br>**----- End of picture text -----**<br>


Version:C10 



## Links

- [View this product on Novapart](https://novapart.co/products/HER155/fast-ultrafast-diode-400-v-15-a-single-13-50-ns)
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- [Supplier page](https://es.farnell.com/taiwan-semiconductor/her155/rectifier-single-400v-1-5a-do/dp/2677292)
---

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