1N4937-E3/54

**1N4933, 1N4934, 1N4935, 1N4936, 1N4937** 

www.vishay.com 

## Vishay General Semiconductor 

## **Fast Switching Plastic Rectifier** 

## **FEATURES** 

- Fast switching for high efficiency 

- Low forward voltage drop 

## ee[_] **DO-41 (DO-204AL)** 

- Low leakage current 

- High forward surge capability 

- Solder dip 275 °C max. 10 s, per JESD 22-B106 

- Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 

## **TYPICAL APPLICATIONS** 

## **PRIMARY CHARACTERISTICS** 

|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|
|---|---|
|IF(AV)|1.0 A|
|VRRM|50 V, 100 V, 200 V, 400 V, 600 V|
|IFSM|30 A|
|trr|200 ns|
|IR|5.0 μA|
|VF|1.2 V|
|TJmax.|150 °C|
|Package|DO-41 (DO-204AL)|
|Circuit configuration|Single|



For use in fast switching rectification of power supply, inverters, converters and freewheeling diodes for consumer and telecommunication. 

## **MECHANICAL DATA** 

**Case:** DO-41 (DO-204AL), molded epoxy body Molding compound meets UL 94 V-0 flammability rating Base P/N-E3 - RoHS-compliant, commercial grade 

**Terminals:** matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 

3 suffix meets JESD 201 class 1A whisker test 

**Polarity:** color band denotes cathode end 

~~Cn~~ **MAXIMUM RATINGS** (TA = 25 °C unless otherwise noted) ~~a~~ **PARAMETER SYMBOL 1N4933 1N4934 1N4935 1N4936 1N4937 UNIT** ~~a~~ Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 V ~~a~~ Maximum RMS voltage VRMS 35 70 145 280 420 V ~~a~~ Maximum DC blocking voltage VDC 50 100 200 400 600 V ~~ee~~ Maximum average forward rectified current0.375" (9.5 mm) lead length at TA= 75 °C IF(AV) 1.0 A ~~a~~ Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load IFSM 30 A ~~a~~ Maximum reverse recovery current IRM 2.0 A ~~a~~ Operating junction and storage temperature range TJ, TSTG -50 to +150 °C 

|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|
|---|---|---|---|---|---|---|---|---|---|
|**PARAMETER**|**TEST CONDITIONS**||**SYMBOL**|**1N4933**|**1N4934**|**1N4935**|**1N4936**|**1N4937**|**UNIT**|
|Maximum instantaneous<br>forward voltage|1.0 A||VF|1.2|||||V|
|Maximum DC reverse current<br>at rated DC blocking voltage||TA= 25 °C|IR|5.0|||||μA|
|||TA= 100 °C||100||||||
|Maximum reverse recovery time|IF= 1.0 A, VR= 30 V,<br>dI/dt = 50 A/μs, Irr= 10 % IRM||trr|200|||||ns|
|Typical junction capacitance|4.0 V, 1 MHz||CJ|12|||||pF|



Revision: 01-Jul-2020 

Document Number: 88508 

**1** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**1N4933, 1N4934, 1N4935, 1N4936, 1N4937** 

www.vishay.com 

Vishay General Semiconductor 

|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|
|---|---|---|---|---|---|---|---|
|**PARAMETER**|**SYMBOL**|**1N4933**|**1N4934**|**1N4935**|**1N4936**|**1N4937**|**UNIT**|
|Typical thermal resistance|RJA (1)|55|||||°C/W|
||RJL (1)|25||||||



## **Note** 

> (1) Thermal resistance from junction to ambient and from junction to lead at 0.375" (9.5 mm) lead length, PCB mounted 

|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|
|---|---|---|---|---|
|**PREFERRED P/N**|**UNIT WEIGHT (g)**|**PREFERRED PACKAGE CODE**|**BASE QUANTITY**|**DELIVERY MODE**|
|1N4933-E3/54|0.33|54|5500|13" diameter paper tape and reel|
|1N4933-E3/73|0.33|73|3000|Ammo pack packaging|



## **RATINGS AND CHARACTERISTICS CURVES** (TA = 25 °C unless otherwise noted) 

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**----- Start of picture text -----**<br>
0.375 "  (9.5 mm)<br>Lead Length<br>I<br>Capacitive IAVpk = π<br>Loads<br>I IAV pk = 5.0 1020<br>Ambient Temperature (°C)<br>Fig. 1 - Forward Current Derating Curves<br>1.2<br>D = 0.8<br>D = 0.5<br>1.0 D = 0.3<br>D = 0.2<br>0.8 D = 1.0<br>D = 0.1<br>0.6<br>T<br>0.4<br>0.2<br>D = tp/T tp<br>0<br>0 0.2 0.4 0.6 0.8 1.0 1.2<br>Average Forward Current (A)<br>Fig. 2 - Forward Power Loss Characteristics<br>1.0<br>0.8<br>0.6<br>0.4<br>0.2<br>0<br>0 25 50 75 100 125 150 175<br>Average Power Loss (W)<br>Average Forward Rectified Current (A)<br>**----- End of picture text -----**<br>


**==> picture [197 x 156] intentionally omitted <==**

**----- Start of picture text -----**<br>
TA = 75 °C<br>8.3 ms Single Half Sine-Wave<br>1.0 Cycle<br>Number of Cycles at 60 Hz<br>30<br>20<br>10<br>0<br>1 10 100<br>Peak Forward Surge Current (A)<br>**----- End of picture text -----**<br>


Fig. 3 - Maximum Non-repetitive Peak Forward Surge Current 

**==> picture [206 x 171] intentionally omitted <==**

**----- Start of picture text -----**<br>
TJ = 25 °C<br>Pulse Width = 300 μs<br>1 % Duty Cycle<br>Instantaneous Forward Voltage (V)<br>Fig. 4 - Typical Instantaneous Forward Characteristics<br>10<br>1<br>0.1<br>0.01<br>0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0<br>Instantaneous Forward Current (A)<br>**----- End of picture text -----**<br>


Revision: 01-Jul-2020 

Document Number: 88508 

**2** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**1N4933, 1N4934, 1N4935, 1N4936, 1N4937** 

www.vishay.com 

Vishay General Semiconductor 

**==> picture [196 x 341] intentionally omitted <==**

**----- Start of picture text -----**<br>
TJ = 100 °C<br>TJ = 25  ° C<br>Percent of Rated Peak Reverse Voltage (%)<br>Fig. 5 - Typical Reverse Characteristics<br>T J  = 25  ° C<br>f = 1.0 MHz<br>V sig  = 50 mV p-p<br>Reverse Voltage (V)<br>100<br>10<br>1<br>0.1<br>0.01<br>0 20 40 60 80 100<br>100<br>10<br>1<br>0.1 1 10 100<br>Instantaneous Reverse Current (μA)<br>Junction Capacitance (pF)<br>**----- End of picture text -----**<br>


**==> picture [196 x 157] intentionally omitted <==**

**----- Start of picture text -----**<br>
t - Pulse Duration (s)<br>100<br>10<br>1<br>0.1<br>0.01 0.1 1 10 100<br>Typical Thermal Impedance (°C/W)<br>**----- End of picture text -----**<br>


Fig. 7 - Typical Transient Thermal Impedance 

Fig. 6 - Typical Junction Capacitance 

## **PACKAGE OUTLINE DIMENSIONS** in inches (millimeters) 

## **DO-41 (DO-204AL)** 

**==> picture [113 x 198] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.0 (25.4)<br>MIN.<br>0.107 (2.7)<br>0.080 (2.0)<br>DIA.<br>0.205 (5.2)<br>0.160 (4.1)<br>1.0 (25.4)<br>MIN.<br>0.034 (0.86)<br>0.028 (0.71)<br>DIA.<br>**----- End of picture text -----**<br>


## **Note** 

• Lead diameter is 0.026 0.66------------------------------- **-**  for suffix “E” part numbers 0.023 0.58   

Revision: 01-Jul-2020 

Document Number: 88508 

**3** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**Legal Disclaimer Notice** Vishay 

www.vishay.com 

**==> picture [59 x 48] intentionally omitted <==**

## **Disclaimer** 

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Revision: 01-Jan-2019 

Document Number: 91000 

**1**