CD214B-FS3G

Fast / Ultrafast Diode, 400 V, 3 A, Single, 1.25 V, 35 ns, 90 A

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Manufacturer: BOURNS
Product type: Fast & Ultrafast Recovery Rectifier Diodes
Repetitive Reverse Voltage Vrrm Max:400V; Forward Current If(AV):3A; Diode Configuration:Single; Forward Voltage VF Max:1.25V; Reverse Recovery Time trr Max:35ns; Forward Surge Curr
SVHC: Lead (04-Feb-2026)
No. of Pins: 2 Pin
Product Range: CD214B-FS3x
Qualification: -
Diode Case Style: DO-214AA (SMB)
Diode Configuration: Single
Forward Voltage Max: 1.25V
Forward Surge Current: 90A
Reverse Recovery Time: 35ns
Average Forward Current: 3A
Operating Temperature Max: 175°C
Repetitive Peak Reverse Voltage: 400V

Delivery and price
Units per pack	1
Price	0.108 €
Current stock	10+
Lead time	30 days

Datasheet

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*RoHS COMPLIANT<br>**----- End of picture text -----**<br>


## **Features** 

n RoHS compliant* n Low profile n Low power loss, high efficiency n UL 94V-0 classification 

## **Applications** 

n Switch Mode Power Supplies n Portable equipment batteries n High frequency rectification n DC/DC Converters n Telecommunications 

## POURNS E---T **CD214B-FS3x Series Fast Response Rectifier Chip Diode** 

## ~~**General Information**~~ 

Portable communications, computing and video equipment manufacturers are challenging the semiconductor industry to develop increasingly smaller electronic components. 

Bourns offers Glass Passivated Rectifiers for rectification applications in a compact chip package compatible with DO-214AA (SMB) size format. The Glass Passivated Rectifier Diodes offer a forward current of 3 A with a choice of repetitive peak reverse voltage of 200 V up to 800 V. 

## ~~**Absolute Maximum Ratings (@ TA = 25 °C Unless Otherwise Noted)**~~ 

|**Parameter**|**Symbol**|**CD214B-**|**CD214B-**|**CD214B-**|**CD214B-**|**Unit**|
|---|---|---|---|---|---|---|
|||**FS3D**|**FS3G**|**FS3J**|**FS3K**||
|Maximum Repetitive Peak Reverse Voltage|VRRM|200|400|600|800|V|
|Maximum Average Forward Current|IF(AV)|3||||A|
|Maximum Peak Forward Surge Current<br>(8.3 ms Single Half Sine-Wave)|IFSM|90||||A|
|Operating Junction Temperature Range|TOPR|-65 to +175||||°C|
|Storage Temperature Range|TSTG|-65 to +175||||°C|



~~**Electrical Characteristics (@ TA = 25 °C Unless Otherwise Noted)**~~ 

~~I~~ **Parameter Symbol Condition or Model Min. Typ. Max. Unit** ~~es~~ CD214B-FS3D 0.93 0.95 Maximum Instantaneous Forward Voltage VF IF = 3 A ~~es~~ CD214B-FS3G 1.2 1.25 V CD214B-FS3J 1.5 1.7[(NOTE 1)] CD214B-FS3K 1.9 2.2 ~~EESes~~ DC Reverse Current IR VR = VRRM 5 µA Reverse IF = 0.5 A, Recovery IR = 1.0 A, Trr 35 nS ~~a~~ Time Irr = 0.25 A ~~I~~ Typical Junction Capacitance CJ VR = 4 V, f = 1.0 MHz 19 pF Typical  Thermal Junction to Ambient RθJA 66 °C/W Resistance Junction to (NOTE 2) Lead RθJL 8 ~~eeeeeee ee~~ NOTES: (1) Pulse width 300 microsecond, 1 % duty cycle. 

(2) Mounted on PCB with 5.0 x 5.0 mm (0.2 x 0.2 inch) copper pad areas. 

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. 

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

## **CD214B-FS3x Series Fast Response Rectifi3312 - 2 mm SMD Trimming Potentiometerr Chip Diode** 

## ~~**Performance Graphs**~~ 

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Forward Current Derating Curve<br>3<br>2<br>Resistive or<br>Inductive Load<br>1 PCB Mounted on<br>5.0 x 5.0 mm<br>(0.2 x 0.2 inch)<br>Copper Pad Areas<br>0<br>0 25 50 75 100 125 150 175<br>Lead Temperature (°C)<br>(Amps)<br>Average Forward Rectified Current<br>**----- End of picture text -----**<br>


## ~~**Typical Instantaneous Forward Characteristics**~~ 

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10<br>CD214B-FS3G CD214B-FS3J<br>CD214B-FS3D<br>1 CD214B-FS3K<br>0.1<br>T a = 25  ° C<br>0.01<br>0.2 0.6 1.0 1.4 1.8 2.2<br>Instantaneous Forward Voltage (Volts)<br>Instantaneous Forward Current (A)<br>**----- End of picture text -----**<br>


## ~~**Max. Peak Forward Surge Current**~~ 

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120<br>100<br>8.3 ms<br>Single Half<br>80 Sine-Wave<br>(JEDEC Method)<br>60<br>40<br>20<br>0<br>0 10 100<br>Number of Cycles @ 60 Hz<br>(Amps)<br>Peak Forward Surge Current<br>**----- End of picture text -----**<br>


## ~~**Typical Reverse Characteristics**~~ 

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100<br>T J  = 150 °C<br>10<br>1 TJ = 125 °C<br>0.1<br>TJ = 25 °C<br>0.01<br>0 20 40 60 80 100 110<br>Percent of Rated Peak Reverse Voltage (%)<br>Instantaneous Reverse Current (mA)<br>**----- End of picture text -----**<br>


## ~~**Typical Junction Capacitance**~~ 

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200<br>100<br>10 TJ = 25  ° C<br>f = 1.0 MHz<br>Vsig = 50 mVP-P<br>1<br>0.1 1 10 100<br>Reverse Voltage (Volts)<br>Junction Capacitance (pF)<br>**----- End of picture text -----**<br>


Specifications are subject to change without notice. 

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

## **CD214B-FS3x Series Fast Response Rectifier Chip Diode3312 - 2 mm SMD Trimming Potentiometer** 

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Product Dimensions<br>**----- End of picture text -----**<br>


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A<br>B C D<br>DIA.<br>E E<br>F<br>Dimension CD214B-FS3 Series<br>5.20 ± 0.10<br>A<br>(0.205 ± 0.004)<br>3.60 ± 0.10<br>B<br>(0.142 ± 0.004)<br>3.01 TYP.<br>C<br>(0.119)  [TYP.]<br>0.695 ± 0.015<br>D (Dia.)<br>(0.027 ± 0.001)<br>1.15 ± 0.1<br>E<br>(0.045 ± 0.004)<br>1.10 ± 0.15<br>F<br>(0.043 ± 0.006)<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


## ~~**Typical Part Marking**~~ 

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DATE CODE: DEVICE CODE:<br>    Y = LAST  FS3D   = CD214B-FS3D<br>          DIGIT OF  FS3G   = CD214B-FS3G<br>          YEAR FS3J   = CD214B-FS3J<br>WW = WEEK  FS3D FS3K   = CD214B-FS3K<br>          NUMBER YWW<br>**----- End of picture text -----**<br>


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Recommended Pad Layout<br>G<br>H<br>I<br>**----- End of picture text -----**<br>


|**Dimension**|**CD214B-FS3 Series**|**CD214B-FS3 Series**|
|---|---|---|
|G||2.65<br>(0104)MAX.|
|H||.<br>3.00<br>(0.118)MIN.|
|I||6.65<br>(0.262)REF.|
|DIMENSIONS:||MM<br>(INCHES)|



## ~~**Environmental Specifcations**~~ 

Moisture Sensitivity Level ................................................................1 ESD Classification (HBM)............................................................. 3B 

## ~~**How to Order**~~ 

**CD 214B - FS  3  D** 

Common Code CD = Chip Diode Package 214B = SMB/DO-214AA Compatible Model FS = Fast Response Rectifier Maximum Average Forward Rectified Current 3 = 3 A Maximum Repetitive Peak Reverse Voltage D =  200 V G =  400 V J =   600 V K =  800 V 

Specifications are subject to change without notice. 

The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

## **CD214B-FS3x Series Fast Response Rectifier Chip Diode3312 - 2 mm SMD Trimming Potentiometer** 

## ~~**Packaging Information**~~ 

The product is dispensed in tape and reel format (see diagram below). 

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P0<br>P1 E T<br>d Index Hole<br>120 °<br>F D2<br>W<br>B<br>D1 D<br>P A C<br>Trailer Device Leader<br>....... ....... ....... ....... W1<br>End ....... ....... ....... ....... Start MM<br>DIMENSIONS:<br>(INCHES)<br>30 pitches 30 pitches<br>**----- End of picture text -----**<br>


|Direction of Feed|Direction of Feed|Direction of Feed|Direction of Feed|Direction of Feed|
|---|---|---|---|---|
|**Item**|**Symbol**|**CD214B-FS3 Series**|||
|Carrier Width|A||3.70 ± 0.10<br>(0.146 ± 0.004)||
|Carrier Length|B||5.40±0.10<br>(0.213 ± 0.004)||
|Carrier Depth|C||1.65±0.10<br>(0.065 ± 0.004)||
|Sprocket Hole|d||1.50 ± 0.10<br>(0.059 ± 0.004)||
|Reel Outside Diameter|D||330 ± 2.0<br>(12.992 ± 0.079)||
|Reel Inner Diameter|D1||<br>|50.0<br>(1.969)MIN.|
|Feed Hole Diameter|D2||13.0±0.50<br>(0.512 ± 0.020)||
|Sprocket Hole Position|E||1.75 ± 0.10<br>(0.069 ± 0.004)||
|Punch Hole Position|F||5.50 ± 0.05<br>(0.217 ± 0.002)||
|Punch Hole Pitch|P||8.00 ± 0.10<br>(0.157 ± 0.004)||
|Sprocket Hole Pitch|P0||4.00 ± 0.10<br>(0.157 ± 0.004)||
|Embossment Center|P1||2.00 ± 0.10<br>(0.079 ± 0.004)||
|Overall Tape Thickness|T||(|0.40<br>0.016)MAX.|
|Tape Width|W||12.00 ± 0.30<br>(0.472 ± 0.012)||
|Reel Width|W1||(|18.7<br>0.736)MAX.|
|Quantity per Reel|--|||5,000|



## **Asia-Pacific:** 

Tel: +886-2 2562-4117 Email: asiacus@bourns.com **Europe:** 

Tel: +36 88 520 390 Email: eurocus@bourns.com 

**The Americas:** Tel: +1-951 781-5500 Email: americus@bourns.com **www.bourns.com** 

Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

01/18

Updated at June 4, 2026

Bourns, Inc. is a globally recognized manufacturer of high-reliability electronic components, headquartered in Riverside, California. Renowned for its engineering excellence, the company delivers critical solutions across a diverse range of demanding markets, including automotive, industrial, consumer electronics, telecommunications, and medical equipment. The Bourns product portfolio is anchored by an industry-leading selection of passive components and circuit protection devices. The brand is particularly dominant in magnetic components, offering thousands of high-performance power inductors, alongside specialized RF and toroidal inductors engineered for optimized power management and signal integrity. Equally prominent is their comprehensive suite of circuit protection solutions. This robust lineup features a vast array of standard and resettable fuses, transient voltage suppressors (including TVS varistors and diodes), and gas discharge tubes (GDTs) designed to rigorously safeguard sensitive electronics against overvoltage and overcurrent faults. Beyond its core passives and protection technologies, Bourns manufactures highly effective EMC and RFI suppression components, such as common mode chokes and power line filters. The company's offering also extends into discrete semiconductors and power management, including Schottky diodes, fast recovery rectifiers, bridge rectifiers, and board-level transformers. This expansive breadth of quality components provides design engineers with a trusted foundation for developing resilient, efficient, and long-lasting electronic systems.

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