B78HB12-0R5

Non Isolated POL DC/DC Converter, ITE, DIP, 1 Output, 6 W, 12 V, 500 mA

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: PULSE ELECTRONICS
Product type: DC / DC Non Isolated Board Mount Converters - Fixed Output
SVHC: No SVHC (04-Feb-2026)
Depth: 11.6mm
Width: 8.5mm
Height: 17.5mm
Product Range: B78HB Series
No. of Outputs: 1 Output
Output Power Max: 6W
Output Current Max: 500mA
Output Voltage Nom: 12V
Input Voltage DC Max: 72V
Input Voltage DC Min: 17V
DC / DC Converter Type: DIP
Power Supply Applications: ITE
DC / DC Converter Mounting: Through Hole
DC / DC Converter Output Type: Fixed

Delivery and price
Units per pack	100
Price	4.92 €
Current stock	50+
Lead time	30 days

Datasheet

DC-DC Converters (Non-isolated) 1.6W to 24W DIP B78C/E/HB/OBxx series 

aYAGEO company _Input Voltage Range:  6-36V, 15-36V, 18-36V, 9-7V and 17-72V Output Voltage Range: 3.3V to 12V,  Single_ 

_Power Level: 1.6W to 24W_ 

_Isolation: 1.5kVdc_ 

_Efficiency : up to 97% , no heatsinks required Operating Temperature Range: -40[o] C to +85[o] C Additional Features: IEC/EN 62368-1 Approved_ : _Low Ripple and NoiseOutput Short Circuit protection Thermal Shut-Down_ ) 

## Electrical Specification @ 25[o] C （ For B78EXX-0R5 ） 

|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|Electrical Specification @ 25[o]C（For B78EXX-0R5）|
|---|---|---|---|---|---|---|---|
|Model   Number|Input Voltage Range|Output<br>Voltage(V)|Output Current (mA)||Eff . (%).||Capacitive<br>Load(uF)<br>Max.|
||||Min. Load|Full. Load|Vin_Min.|Vin_Max.||
|B78E03-0R5|6-30V  Nominal:24V|3.3|0|500|90|80|680|
|B78E05-0R5|7-36V  Nominal:24V|5|0|500|94|84|680|
|B78E6R5-0R5|8-36V  Nominal:24V|6.5|0|500|94|84|470|
|B78E12-0R5|15-36V  Nominal:24V|12|0|500|97|92|100|
|B78E15-0R5|18-36V  Nominal:24V|15|0|500|97|94|100|



## Electrical Specification @ 25[o] C（For B78EXX-1R0） 

|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|Electrical Specification @ 25[o]C（For B78EXX-1R0）（For B78EXX-1R0）For B78EXX-1R0））|
|---|---|---|---|---|---|---|---|
|Model   Number|Input Voltage Range|Output<br>Voltage(V)|Output Current (mA)||Eff . (%)||Capacitive Load,<br>max. (uF)|
||||Min. Load(1)|Full. Load|Vin_min|Vin_max||
|B78E03-1R0-R2|6-36V  Nominal:24V|3.3|0|1000|88|78|1000|
|B78E05-1R0-R2|7-36V  Nominal:24V|5|0|1000|92|84|1000|
|B78E12-1R0-R2|15-36V  Nominal:24V|12|0|1000|96|92|1000|



## Electrical Specification @ 25[o] C（For B78CXX-2R0-R1） 

|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|Electrical Specification @ 25[o]C（For B78CXX-2R0-R1）（For B78CXX-2R0-R1）For B78CXX-2R0-R1））|
|---|---|---|---|---|---|---|---|
|Model   Number|Input Voltage Range|Output<br>Voltage(V)|Output Current (mA)||Eff . (%)||Capacitive Load,<br>max. (uF)|
||||Min. Load(1)|Full. Load|Vin_min|Vin_max.||
|B78C05-2R0-R1|6.5-36V Nominal:12V|5|0|2000|93|90|660|
|B78C12-2R0–R1|15-36V  Nominal:24V|12|0|2000|97|93|470|



1 PulseElectronics.com DC001.A (06/23) JS oo 

## DC-DC Converters (Non-isolated) 1.6W to 24W DIP 

B78C/E/HB/OBxx series 

## Electrical Specification @ 25[o] C（For B78HBXX-0R5） 

|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|Electrical Specification @ 25[o]C（For B78HBXX-0R5）（For B78HBXX-0R5）For B78HBXX-0R5））|
|---|---|---|---|---|---|---|---|
|Model   Number|Input Voltage Range|Output<br>Voltage(V)|Output Current (mA)||Eff . (%)<br>Capacitive Load,||Capacitive Load,<br>max. (uF)|
||||Min. Load(1)|Full. Load|Vin_min|Vin_max.||
|B78HB05-0R5<br>~~es~~|9-72V  Nominal:48V|5.0|0|500|90|81|330|
|B78HB12-0R5<br>~~es~~|17-72V   Nominal:48V|12|0|500|95|88|330|



## Electrical Specification @ 25[o] C（For B78OXX-1R5） 

|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|Electrical Specification @ 25[o]C（For B78OXX-1R5）（For B78OXX-1R5）For B78OXX-1R5））|
|---|---|---|---|---|---|---|---|
|Model   Number|Input Voltage Range|Output<br>Voltage(V)|Output Current (mA)||Eff . (%)||Capacitive Load,<br>max. (uF)|
||||Min. Load(1)|Full. Load|Vin_min|Vin_max.||
|B78O03-1R5-R2|7-36V  Nominal:12V|3.3|0|1500|93|91|1200|
|B78O05-1R5-R2|7-36V  Nominal:12V|5|0|1500|95|92|660|



## Electrical Specification @ 25[o] C（For B78OXX-3R0） 

|Model   Number|Input Voltage Range|Output<br>Voltage(V)|Output Current (mA)<br>Min. Load(1)<br>Full. Load|Eff . (%)<br>Vin_min<br>Vin_max.|Capacitive Load,<br>max. (uF)|
|---|---|---|---|---|---|
|B78O05-3R0|7-36V  Nominal:12V|5|0<br>3000|94<br>92|2200|



## **Process and Materials** 

1. Storage Temperature:    -55[o] C to +125[o] C 

2. Compliance to J-STD: 

- A. J-STD-002:  Solderability of Dipping at 255~260[o] C 

- B. J-STD-020: Moisture Sensitive Level 1 

3. All parts are packaged in tubes - see page 5 and 6 for details 

4. For full electrical characteristics, curves and applications, please refer to the detailed specification sheets available on request. 

5. Lead Frame: Cooper Alloy Underplated: Half Hard Ductile Nickel 40-118" (1.0 -3.0um) Over plated: 100% Tin electro-deposited per 240~400u"Min(6~10um) Finish: Matte finish 100% Tin solder 

2 PulseElectronics.com DC001.A (06/23) —wee 

DC-DC Converters (Non-isolated) 1.6W to 24W DIP B78C/E/HB/OBxx series 

## **Mechanical** 

## **B78EXX-0R5 / B78EXX-1R0-R2** 

**==> picture [93 x 118] intentionally omitted <==**

**----- Start of picture text -----**<br>
B78EXX-0R5<br>PIN  Define<br>1  VIN<br>2  GND<br>3  Vout<br>Unit: mm<br>Pin Section tolerances +/-0.1<br>General tolerances +/-0.5<br>**----- End of picture text -----**<br>


**B78CXX-2R0-R1** [Ld 

|||B78CXX-2R0-R1|
|---|---|---|
||PIN<br>1|Define<br>Positive|
||2<br>3|Common(Ground)<br>Positive Output|
||||
|Unit: mm|||
|Pin Section tolerances +/-0.1<br>General tolerances +/-0.5|||



## oo 

**B78HBXX-0R5** 

|||B78HBXX-0R5||
|---|---|---|---|
||PIN|Define||
||1|VIN||
||2|GND||
||3|Vout||
|||||
|Unit: mm||||
|Pin Section tolerances +/-0.1||||
|General tolerances +/-0.5||||



PulseElectronics.com 

DC001.A (06/23) 

3 

DC-DC Converters (Non-isolated) 1.6W to 24W DIP B78C/E/HB/OBxx series 

**B78OXX-1R5-R2** Me 

||B78OXX-1R5-R2|
|---|---|
|PIN|Define|
|1|Positive Input|
|2|Common(Ground)|
|3|Positive Output|



Unit: mm(inch for reference only) Pin Section tolerances +/-0.1 General tolerances +/-0.5 

**B78OXX-3R0** ee 

||B78OXX-3R0|
|---|---|
|PIN|Define|
|1|Positive Input|
|2|Common(Ground)|
|3|Positive Output|



Unit: mm(inch for reference only) Pin Section tolerances +/-0.1 General tolerances +/-0.5 

## **Wave Soldering Temperature Curve** 

**==> picture [238 x 167] intentionally omitted <==**

**----- Start of picture text -----**<br>
° C<br>300<br> 255°C-265°C<br>270    3.0~5.0sec<br>240<br>210<br>180<br>150<br>120 100-110°C<br>90 90°C<br>5°CMAX<br>60<br>30-50sec<br>30<br>60-90sec    preheat area<br>0<br>**----- End of picture text -----**<br>


`20 40 60 80 100 120 140 160 180 200 sec` 4 PulseElectronics.com DC001.A (06/23) A ~~a~~ py 

DC-DC Converters (Non-isolated) 1.6W to 24W DIP B78C/E/HB/OBxx series 

## **Carton Package** 

## **B78EXX-0R5** 、 **B78EXX-1R0-R2** 

## **B78CXX-2R0-R1** 

## **B78HBXX-0R5** 

PulseElectronics.com 

DC001.A (06/23) 

5 

## DC-DC Converters (Non-isolated) 1.6W to 24W DIP 

B78C/E/HB/OBxx series 

## **B78OXX-1R5-R2** 

## **B78OXX-3R0** 

## For More Information: 

**Americas -** prodinfo_network_americas@yageo.com  | **Europe -** prodinfo_network_emea@yageo.com  | **Asia -** prodinfo_network_asia@yageo.com 

Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. © Copyright, 2023. Pulse Electronics, Inc. All rights reserved. 

PulseElectronics.com 

DC001.A (06/23) 

6

Updated at April 23, 2026

Pulse Electronics, a YAGEO company, is a global leader in the design and manufacturing of passive electronic components. With a legacy of innovation dating back to 1956, the company provides essential technology for the communications, computing, industrial, transportation, and IoT sectors. Pulse is recognized worldwide for delivering high-performance solutions that power advanced applications, ranging from 5G networks and electric vehicles to data centers and smart grids. The company's extensive product portfolio is heavily anchored in power and networking magnetics. This includes a comprehensive range of power inductors engineered for exceptional efficiency and reliability in demanding environments. To address complex electromagnetic compatibility challenges, Pulse also manufactures highly effective EMC and RFI suppression solutions, such as common mode chokes and filters, alongside specialized toroidal and RF inductors designed to ensure clean power delivery and optimal signal integrity. Beyond traditional magnetics, Pulse excels in the development of advanced wireless and power conversion components. Their connectivity solutions feature a wide array of high-performance RF antennas and single-band chip antennas tailored for modern connected devices. Furthermore, to support sophisticated power architectures, Pulse provides a broad spectrum of transformers—encompassing PCB-mounted designs, current sensing transformers, and precise pulse transformers—equipping engineers with robust, industry-proven components for power isolation and measurement.

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