# Power Inductor (SMD), 33 µH, 2.3 A, Shielded, 2.7 A, HA78

![Product image](https://novapart.co/image/farnell:2765523/)

**URL**: https://novapart.co/products/HA78-45330LFTR13/power-inductor-smd-33-h-23-a-shielded-27-ha78
**SKU**: HA78-45330LFTR13
**Manufacturer**: TT ELECTRONICS / BI TECHNOLOGIES
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.7810
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Inductance | 33µH |
| Product Range | HA78 |
| Product Width | 12.5mm |
| Product Height | 4.5mm |
| Product Length | 12.5mm |
| Dc Resistance Max | 0.097ohm |
| Rms Current (Irms) | 2.3A |
| Power Inductor Case | 12.5mm x 12.5mm x 4.5mm |
| Inductance Tolerance | ± 20% |
| Inductor Construction | Shielded |
| Saturation Current (Isat) | 2.7A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2765523/)

**Magnetics** 

## **Shielded Surface Mount Inductors** 

## **Model HA78** 

## Features and Benefits 

- Operating Temperature Range ‐40°C to +125°C 

- Temperature Rise, Maximum 40°C 

- Storage Temperature ‐40°C to +155°C Operating Frequency up to 3MHz 

- AEC‐Q200 CERTIFIED 

- RoHS Compliant 

## Specification @ 25°C 

|**Part Number**|**Inductance(1)(μH)**|**DC Resistance(4)Max. (Ω)**|**Isat(2) (A)**|**Irms(3)(A)**|
|---|---|---|---|---|
|HA78‐10100LFTR<br>~~a~~|10 ± 20%<br>~~AC~~|0.08<br>~~AC~~|1.00<br>~~AC~~|2.6<br>~~AC~~|
|HA78‐10680LFTR<br>~~a ~~<br>~~a ~~<br>~~To~~|68 ± 20%<br> ~~AC~~<br> ~~GC~~|0.52<br>~~AC~~<br>~~GC~~|0.42<br>~~AC~~<br>~~GC~~|1.3<br>~~AC~~<br>~~GC~~|
|HA78‐20100LFTR<br>~~To~~<br>~~a~~|10 ± 20%<br>~~A~~|0.055<br>~~Oa~~|1.65|3.5|
|HA78‐20271LFTR<br>~~To~~<br>~~a~~<br>~~a~~|270 ± 20%<br>~~A~~<br>~~A~~|1.25<br>~~Oa~~<br>~~Ca~~|0.31|0.7|
|HA78‐30100LFTR<br>~~a~~<br>~~a~~<br>~~a~~|10 ± 20%<br>~~A~~<br>~~A~~<br>~~A~~|0.072<br>~~Oa~~<br>~~Ca~~<br>~~CO~~|1.68|1.83|
|HA78‐30120LFTR<br>~~a~~<br>~~a~~|12 ± 20%<br>~~A~~<br>~~A~~|0.098<br>~~Ca~~<br>~~CO~~|1.52|1.73|
|HA78‐30150LFTR<br>~~a~~<br>~~a~~<br>~~PT~~<br>~~—SFT~~|15 ± 20%<br>~~A~~<br>~~A~~<br>~~—SFT~~|0.13<br>~~CO~~|1.33|1.51|
|HA78‐30180LFTR<br>~~PT~~<br>~~—SFT~~|18 ± 20%<br>~~—SFT~~|0.14|1.20|1.41|
|HA78‐30220LFTR<br>~~PT~~<br>~~—SFT~~<br>~~OO~~<br>~~a~~|22 ± 20%<br>~~—SFT~~<br>~~OO~~<br>~~A~~|0.19<br>~~OO~~<br>~~Ca~~|1.07<br>~~OO~~|1.38<br>~~OO~~|
|HA78‐30270LFTR<br>~~a~~|27 ± 20%<br>~~A~~|0.21<br>~~Ca~~|0.96|1.27|
|HA78‐30330LFTR<br>~~a~~<br>~~AO~~<br>~~a~~|33 ± 20%<br>~~A~~<br>~~AO~~<br>~~A~~|0.24<br>~~Ca~~<br>~~AO~~<br>~~Oa~~|0.91<br>~~AO~~|1.22<br>~~AO~~|
|HA78‐30390LFTR<br>~~a~~<br>~~a~~|39 ± 20%<br>~~A~~<br>~~A~~|0.32<br>~~Oa~~<br>~~On~~|0.77|1.03|
|HA78‐30470LFTR<br>~~a~~<br>~~a~~|47 ± 20%<br>~~A~~<br>~~A~~|0.36<br>~~Oa~~<br>~~On~~|0.76|0.85|
|HA78‐30560LFTR<br>~~a~~<br>~~a ~~|56 ± 20%<br>~~A~~<br> ~~AO~~|0.47<br>~~On~~<br>~~AO~~|0.68<br>~~AO~~|0.84<br>~~AO~~|
|HA78‐30680LFTR<br>~~a ~~<br>~~TT~~|68 ± 20%<br> ~~AO~~|0.52<br>~~AO~~|0.61<br>~~AO~~|0.74<br>~~AO~~|
|HA78‐30820LFTR<br>~~TT~~|82 ± 20%|0.69|0.57|0.69|
|HA78‐30101LFTR<br>~~TT~~<br>~~TO~~|100 ± 20%<br>~~TO~~|0.79<br>~~TO~~|0.50<br>~~TO~~|0.62<br>~~TO~~|
|HA78‐30121LFTR<br>~~TO~~<br>~~TO~~|120 ± 20%<br>~~TO~~|0.89<br>~~TO~~|0.49<br>~~TO~~|0.60<br>~~TO~~|
|HA78‐30151LFTR<br>~~TO~~|150 ± 20%|1.27|0.43|0.56|
|HA78‐30181LFTR<br>~~TO~~|180 ± 20%|1.45|0.39|0.49|
|HA78‐30221LFTR<br>~~a ~~|220 ± 20%<br> ~~GC~~|1.65<br>~~GC~~|0.35<br>~~GC~~|0.43<br>~~GC~~|
|HA78‐30271LFTR<br>~~a ~~<br>~~a~~|270 ± 20%<br> ~~CC~~<br>~~A~~|2.31<br>~~CC~~<br>~~Ca~~|0.32<br>~~CC~~|0.40<br>~~CC~~|
|HA78‐30331LFTR<br>~~a~~|330 ± 20%<br>~~A~~|2.62<br>~~Ca~~|0.28|0.32|
|HA78‐30391LFTR<br>~~a~~<br>~~a ~~|390 ± 20%<br>~~A~~<br> ~~AC~~|2.94<br>~~Ca~~<br>~~AC~~|0.26<br>~~AC~~|0.30<br>~~AC~~|
|HA78‐30471LFTR<br>~~AC~~<br>~~TO~~|470 ± 20%<br>~~AC~~|4.18<br>~~AC~~|0.24<br>~~AC~~|0.30<br>~~AC~~|
|HA78‐30102LFTR<br>~~TO~~|1000 ± 20%|6.50|0.16|0.20|
|HA78‐40100LFTR<br>~~TO~~<br>~~aA~~<br>~~a~~|10 ± 20%<br>~~aA~~<br>~~A~~<br>|0.055<br>~~aA~~<br>~~OO~~|2.00|2.00|
|HA78‐40120LFTR<br>~~a~~<br>~~a~~<br>~~a~~|12 ± 20%<br>~~a~~<br>~~A~~<br>~~A~~<br>|0.058<br>~~OO~~<br>~~Oa~~|1.71|1.82|
|HA78‐40150LFTR<br>~~a ~~<br>~~a~~<br>~~a~~|15 ± 20%<br>~~A~~<br> ~~A~~<br>~~A~~|0.081<br>~~OO~~<br>~~Oa~~<br>~~Ca~~|1.47|1.60|
|HA78‐40180LFTR<br> <br>~~a ~~<br>~~a~~|18 ± 20%<br> ~~A~~<br> ~~A~~|0.091<br>~~Oa~~<br>~~Ca~~|1.31|1.50|
|HA78‐40220LFTR<br> <br>~~a~~|22 ± 20%<br> ~~A~~|0.11<br>~~Ca~~|1.23|1.41|



General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. 

BI Technologies A-1445, Jalan Tanjung Api 25050 Kuantan Pahang Darul Makmur Malaysia 

Ph: +60 9 565 8888     Fax: +60 9 514 3555 http://www.ttelectronics.com/magnetics/customer-service-enquiry 

© TT Electronics plc 

Rev. 03    7.17 

## **Shielded Surface Mount Inductors** 

## **Model HA78** 

|**Part Number**|**Inductance(1)(μH)**|**DC Resistance(4)Max. (Ω)**|**Isat(2) (A)**|**Irms(3) (A)**|
|---|---|---|---|---|
|HA78‐40270LFTR|27 ± 20%|0.15|1.12|1.24|
|HA78‐40330LFTR|33 ± 20%|0.17|1.00|1.13|
|HA78‐40390LFTR|39 ± 20%|0.23|0.91|1.11|
|HA78‐40470LFTR|47 ± 20%|0.26|0.88|1.03|
|HA78‐40560LFTR|56 ± 20%|0.35|0.75|0.93|
|HA78‐40680LFTR|68 ± 20%|0.38|0.69|0.87|
|HA78‐40820LFTR|82 ± 20%|0.43|0.61|0.84|
|HA78‐40101LFTR|100 ± 20%|0.61|0.60|0.79|
|HA78‐40121LFTR|120 ± 20%|0.66|0.52|0.67|
|HA78‐40151LFTR|150 ± 20%|0.88|0.46|0.52|
|HA78‐40181LFTR|180 ± 20%|0.98|0.42|0.51|
|HA78‐40221LFTR|220 ± 20%|1.17|0.36|0.44|
|HA78‐40271LFTR|270 ± 20%|1.64|0.34|0.43|
|HA78‐40331LFTR|330 ± 20%|1.86|0.32|0.39|
|HA78‐40391LFTR|390 ± 20%|2.85|0.29|0.38|
|HA78‐40471LFTR|470 ± 20%|3.01|0.26|0.29|
|HA78‐40561LFTR|560 ± 20%|3.62|0.23|0.28|
|HA78‐40681LFTR|680 ± 20%|4.63|0.22|0.23|
|HA78‐40821LFTR|820 ± 20%|5.20|0.20|0.21|
|HA78‐453R9LFTR|3.9 ± 20%|0.015|6.50|5.90|
|HA78‐454R7LFTR|4.7 ± 20%|0.018|5.70|5.20|
|HA78‐456R8LFTR|6.8 ± 20%|0.023|4.90|4.30|
|HA78‐45100LFTR|10 ± 20%|0.028|4.50|3.80|
|HA78‐45120LFTR|12 ± 20%|0.038|4.00|3.50|
|HA78‐45180LFTR|18 ± 20%|0.057|3.10|3.20|
|HA78‐45220LFTR|22 ± 20%|0.066|2.90|2.90|
|HA78‐45330LFTR|33 ± 20%|0.097|2.70|2.30|
|HA78‐45470LFTR|47 ± 20%|0.150|1.90|2.00|
|HA78‐45101LFTR|100 ± 20%|0.308|1.20|1.30|
|HA78‐45221LFTR|220 ± 20%|0.700|0.80|0.95|
|HA78‐45331LFTR|330 ± 20%|0.990|0.50|1.20|
|HA78‐501R5LFTR|1.5 ± 25%|0.012|13.00|9.50|
|HA78‐502R2LFTR|2.2 ± 25%|0.014|7.00|9.00|
|HA78‐503R1LFTR|3.1 ± 25%|0.017|6.00|7.50|
|HA78‐504R4LFTR|4.4 ± 25%|0.020|5.00|6.50|
|HA78‐505R2LFTR|5.2 ± 25%|0.021|4.40|5.60|
|HA78‐507R5LFTR|7.5 ± 25%|0.024|4.20|6.25|
|HA78‐50100LFTR|10 ± 20%|0.025|4.00|5.00|
|HA78‐50120LFTR|12 ± 20%|0.027|3.50|3.91|
|HA78‐50150LFTR|15 ± 20%|0.030|3.30|3.75|
|HA78‐50180LFTR|18 ± 20%|0.034|3.00|3.48|
|HA78‐50220LFTR|22 ± 20%|0.036|2.80|3.37|
|HA78‐50270LFTR|27 ± 20%|0.051|2.30|2.97|
|HA78‐50330LFTR|33 ± 20%|0.057|2.10|2.68|
|HA78‐50390LFTR|39 ± 20%|0.068|2.00|2.49|
|HA78‐50470LFTR|47 ± 20%|0.075|1.80|2.21|
|HA78‐50560LFTR|56 ± 20%|0.11|1.70|2.01|
|HA78‐50680LFTR|68 ± 20%|0.12|1.50|1.91|



## General Note 

TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. 

BI Technologies A-1445, Jalan Tanjung Api 25050 Kuantan Pahang Darul Makmur Malaysia 

Ph: +60 9 565 8888     Fax: +60 9 514 3555 http://www.ttelectronics.com/magnetics/customer-service-enquiry 

© TT Electronics plc 

Rev. 03    7.17 

## **Shielded Surface Mount Inductors** 

## **Model HA78** 

|**Part Number**|**Part Number**|**Inductance(1)(μH)**|**Inductance(1)(μH)**|**DC Resistance(4)Max. (Ω)**|**DC Resistance(4)Max. (Ω)**|**Isat(2) (A)**|**Isat(2) (A)**|**Irms(3) (A)**|**Irms(3) (A)**|**Irms(3) (A)**|
|---|---|---|---|---|---|---|---|---|---|---|
|HA78‐50820LFTR<br>~~a~~||82 ± 20%||0.14||1.40||1.65|||
|HA78‐50101L~~FTR~~<br>~~a~~<br>~~a~~||||||||~~1.53~~|||
||~~FTR~~|~~100 ± 20%~~|~~100 ± 20%~~||~~0.16~~|~~1.50~~|~~1.50~~||~~1.53~~||
|HA78‐50121L~~FTR~~<br>~~a~~<br>~~a ~~||~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|
||~~FTR~~<br>|~~120 ± 20%~~<br> ~~a~~|~~120 ± 20%~~<br>~~a~~|~~a~~|~~0.17~~<br>~~a~~|~~1.10~~<br>~~a~~|~~1.10~~<br>~~a~~|~~a~~|~~1.30~~<br>~~a~~||
|HA78‐50151L~~FTR~~<br>~~a~~|~~FTR~~<br>~~a~~|~~150 ± 20%~~<br>~~a~~<br>~~a~~|~~150 ± 20%~~<br>~~a~~<br>~~a~~|~~a~~|~~0.23~~<br>~~a~~|~~1.00~~|~~1.00~~||~~1.21~~||
||~~FTR~~<br>~~a~~|~~150 ± 20%~~<br>~~a~~<br>~~a~~|~~150 ± 20%~~<br>~~a~~<br>~~a~~|~~a~~|~~0.23~~<br>~~a~~|~~1.00~~|~~1.00~~||~~1.21~~||
|HA78‐50181L~~FTR~~<br>~~a~~|~~FTR~~<br>~~a~~|~~180 ± 20%~~<br>~~a~~|~~180 ± 20%~~<br>~~a~~||~~0.29~~|~~0.90~~|~~0.90~~||~~1.06~~||
||~~FTR~~<br>~~a~~|~~180 ± 20%~~<br>~~a~~|~~180 ± 20%~~<br>~~a~~||~~0.29~~|~~0.90~~|~~0.90~~||~~1.06~~||
|HA78‐50221L~~FTR~~<br>~~a~~<br>~~a~~|~~FTR~~<br>~~a~~<br>~~a~~|~~220 ± 20%~~<br>~~a~~<br>~~aa~~|~~220 ± 20%~~<br>~~a~~<br>~~aa~~|~~a~~|~~0.40~~<br>~~a~~|~~0.80~~<br>~~a~~|~~0.80~~<br>~~a~~|~~a~~|~~0.96~~<br>~~a~~|~~a~~|
||~~FTR~~<br>~~a~~|~~220 ± 20%~~<br>~~aa~~|~~220 ± 20%~~<br>~~aa~~|~~a~~|~~0.40~~<br>~~a~~|~~0.80~~<br>~~a~~|~~0.80~~<br>~~a~~|~~a~~|~~0.96~~<br>~~a~~||
|HA78‐50271L~~FTR~~<br>~~a~~<br>~~a~~|~~FTR~~<br>~~a~~<br>~~a~~|~~270 ± 20%~~<br>~~aa~~<br>~~a~~<br>~~a~~|~~270 ± 20%~~<br>~~aa~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~<br>~~a~~|~~0.46~~<br>~~a~~<br>~~a~~<br>~~a~~|~~0.75~~<br>~~a~~<br>~~a~~<br>~~a~~|~~0.75~~<br>~~a~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~<br>~~a~~|~~0.89~~<br>~~a~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~<br>~~a~~|
||~~FTR~~<br>~~a~~|~~270 ± 20%~~<br>~~a~~<br>~~a~~|~~270 ± 20%~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.46~~<br>~~a~~<br>~~a~~|~~0.75~~<br>~~a~~<br>~~a~~|~~0.75~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.89~~<br>~~a~~<br>~~a~~||
|HA78‐50331L~~FTR~~<br>~~a~~|~~FTR~~<br>~~a~~|~~330 ± 20%~~<br>~~a~~|~~330 ± 20%~~<br>~~a~~|~~a~~|~~0.51~~<br>~~a~~|~~0.68~~<br>~~a~~|~~0.68~~<br>~~a~~|~~a~~|~~0.78~~<br>~~a~~|~~a~~|
||~~FTR~~<br>~~a~~|~~330 ± 20%~~<br>~~a~~|~~330 ± 20%~~<br>~~a~~|~~a~~|~~0.51~~<br>~~a~~|~~0.68~~<br>~~a~~|~~0.68~~<br>~~a~~|~~a~~|~~0.78~~<br>~~a~~||
|HA78‐50391L~~FTR~~<br>~~a~~|~~FTR~~<br>~~a~~|~~390 ± 20%~~<br>~~a~~<br>~~a~~|~~390 ± 20%~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.69~~<br>~~a~~<br>~~a~~|~~0.65~~<br>~~a~~<br>~~a~~|~~0.65~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.68~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|
||~~FTR~~<br>~~a~~|~~390 ± 20%~~<br>~~a~~<br>~~a~~|~~390 ± 20%~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.69~~<br>~~a~~<br>~~a~~|~~0.65~~<br>~~a~~<br>~~a~~|~~0.65~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.68~~<br>~~a~~<br>~~a~~||
|HA78‐50471LFTR<br>~~a~~<br>~~a~~|FTR<br>~~a~~<br>~~a~~|470 ± 20%<br>~~a~~<br>~~a~~|470 ± 20%<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|0.77<br>~~a~~<br>~~a~~|0.58<br>~~a~~<br>~~a~~|0.58<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|0.64<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|
|HA78‐50561LFTR<br>~~a~~<br>~~a~~|FTR<br>~~a~~<br>~~a~~|560 ± 20%<br>~~a~~|560 ± 20%<br>~~a~~||0.86|0.54|0.54||0.62||
|HA78‐50681LFTR<br>~~a~~<br>~~a~~|HA78‐50681LFTR<br>~~a ~~<br>~~a~~|680 ± 20%<br> ~~a~~|680 ± 20%<br>~~a~~||1.20|0.48|0.48||0.55||
|HA78‐50821LFTR<br>~~a~~<br>~~a~~|HA78‐50821LFTR<br>~~a~~<br>~~a~~|820 ± 20%|820 ± 20%||1.34|0.43|0.43||0.51||
|HA78‐50102LFTR<br>~~a~~|HA78‐50102LFTR<br>~~a~~|1000 ± 20%|1000 ± 20%||1.53|0.40|0.40||0.43||
|HA78‐50182LFTR<br>~~a~~|HA78‐50182LFTR<br>~~a~~|1800 ± 20%|1800 ± 20%||3.20|0.30|0.30||0.70||
|HA78‐601R4LFTR<br>~~a~~|HA78‐601R4LFTR<br>~~a~~|1.4 ± 30%|1.4 ± 30%||0.007|12.00|12.00||10.00||
|HA78‐602R4LFTR<br>~~a~~|~~a~~||||||||||
||HA78‐602R4LFTR<br>~~a~~|2.4 ± 30%|2.4 ± 30%||0.012|8.00|8.00||8.10||
|HA78‐603R9L~~FTR~~<br>~~a~~|~~a~~||~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|
||~~FTR~~<br>~~a~~|~~3.9 ± 30%~~<br>|~~3.9 ± 30%~~<br>~~a~~|~~a~~|~~0.014~~<br>~~a~~|~~7.50~~<br>~~a~~|~~7.50~~<br>~~a~~|~~a~~|~~7.80~~<br>~~a~~||
|HA78‐604R7L~~FTR~~<br>~~a~~<br>~~a~~|~~a ~~<br>~~a~~|<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|
||~~FTR~~<br>~~a~~|~~4.7 ± 30%~~<br>~~a~~|~~4.7 ± 30%~~<br>~~a~~|~~a~~|~~0.016~~<br>~~a~~|~~6.80~~<br>~~a~~|~~6.80~~<br>~~a~~|~~a~~|~~7.00~~<br>~~a~~||
|HA78‐605R6L~~FTR~~<br>~~a~~|~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|
||~~FTR~~<br>~~a~~|~~5.6 ± 30%~~<br>~~a~~<br>~~a~~|~~5.6 ± 30%~~<br>~~a~~<br>~~a~~|~~a~~|~~0.018~~<br>~~a~~|~~6.60~~<br>~~a~~|~~6.60~~<br>~~a~~|~~a~~|~~6.50~~<br>~~a~~||
|HA78‐607R6L~~FTR~~<br>~~a~~|~~a~~|~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|
||~~FTR~~<br>~~a~~|~~7.6 ± 30%~~<br>~~a~~|~~7.6 ± 30%~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~0.020~~<br>~~a~~<br>~~a~~|~~5.90~~<br>~~a~~<br>~~a~~|~~5.90~~<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~6.10~~<br>~~a~~<br>~~a~~||
|HA78‐60100LFTR<br>~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|~~a~~|
||HA78‐60100LFTR<br>~~a~~|10 ± 20%<br>~~a~~|10 ± 20%<br>~~a~~|~~a~~|0.022<br>~~a~~|5.40<br>~~a~~|5.40<br>~~a~~|~~a~~|6.00<br>~~a~~||
|HA78‐60120LFTR<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|
||HA78‐60120LFTR<br>~~a~~|12 ± 20%<br>~~a~~|12 ± 20%<br>~~a~~|~~a~~|0.025<br>~~a~~|4.90<br>~~a~~|4.90<br>~~a~~|~~a~~|5.90<br>~~a~~||
|HA78‐60150LFTR<br>~~a~~<br>~~a~~|~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|~~a~~<br>~~a~~|
||HA78‐60150LFTR<br>~~a~~|15 ± 20%<br>~~a~~<br>~~a~~|15 ± 20%<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|0.027<br>~~a~~<br>~~a~~|4.50<br>~~a~~<br>~~a~~|4.50<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|5.00<br>~~a~~<br>~~a~~||
|HA78‐60180LFTR<br>~~a~~<br>~~a~~|HA78‐60180LFTR<br>|18 ± 20%<br>~~a~~|18 ± 20%<br>~~a~~|~~a~~|0.039<br>~~a~~|3.90<br>~~a~~|3.90<br>~~a~~|~~a~~|4.20<br>~~a~~|~~a~~|
|HA78‐60220LFTR<br>~~a ~~|HA78‐60220LFTR<br>|22 ± 20%<br> ~~a~~|22 ± 20%<br>~~a~~|~~a~~|0.043<br>~~a~~|3.60<br>~~a~~|3.60<br>~~a~~|~~a~~|4.10<br>~~a~~|~~a~~|
|HA78‐60270LFTR<br>~~a~~|HA78‐60270LFTR<br>~~a~~|27 ± 20%<br>~~a~~<br>~~a~~|27 ± 20%<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|0.046<br>~~a~~<br>~~a~~|3.40<br>~~a~~<br>~~a~~|3.40<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|4.50<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|
|HA78‐60330LFTR<br>~~a~~<br>~~a~~|HA78‐60330LFTR<br>~~a~~<br>~~a~~|33 ± 20%<br>~~a~~<br>~~a~~|33 ± 20%<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|0.065<br>~~a~~<br>~~a~~|3.00<br>~~a~~<br>~~a~~|3.00<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|3.20<br>~~a~~<br>~~a~~|~~a~~<br>~~a~~|
|HA78‐60390LFTR<br>~~a~~|HA78‐60390LFTR<br>~~a~~|39 ± 20%<br>~~a~~|39 ± 20%<br>~~a~~|~~a~~|0.073<br>~~a~~|2.75<br>~~a~~|2.75<br>~~a~~|~~a~~|3.00<br>~~a~~|~~a~~|
|HA78‐60470LFTR<br>~~a~~|HA78‐60470LFTR<br>~~a~~|47 ± 20%<br>~~a~~|47 ± 20%<br>~~a~~|~~a~~|0.085<br>~~a~~|2.50<br>~~a~~|2.50<br>~~a~~|~~a~~|2.70<br>~~a~~|~~a~~|
|HA78‐60221LFTR<br>~~a~~|HA78‐60221LFTR<br>~~a~~|220 ± 20%<br>~~a~~|220 ± 20%<br>~~a~~|~~a~~|0.370<br>~~a~~|1.20<br>~~a~~|1.20<br>~~a~~|~~a~~|1.30<br>~~a~~|~~a~~|
|Notes:<br>(1) Inductance is measured at 1 kHz, 1Vac without DC current.<br>(2) Isat is the saturation current at which inductance rolls off approximately 10% from its initial (zero DC).<br>(3) Irms i~~s the approximate current at which ΔT = 40° C.~~|tance is measured at 1 kHz, 1Vac without DC current.||tance is measured at 1 kHz, 1Vac without DC current.||tance is measured at 1 kHz, 1Vac without DC current.||||||
||(2) Isat is the saturation current at which inductance rolls off approximately 10% from its initial (zero DC).<br>~~s the approximate current at which ΔT = 40° C.~~||(2) Isat is the saturation current at which inductance rolls off approximately 10% from its initial (zero DC).<br>~~s the approximate current at which ΔT = 40° C.~~||(2) Isat is the saturation current at which inductance rolls off approximately 10% from its initial (zero DC).||(2) Isat is the saturation current at which inductance rolls off approximately 10% from its initial (zero DC).||||



Notes: (1) Inductance is measured at 1 kHz, 1Vac without DC current. (2) Isat is the saturation current at which inductance rolls off approximately 10% from its initial (zero DC). 

(3) Irms i ~~s the approximate current at which ΔT = 40° C.~~ 

(4) DC resistance is measure at 25°C. 

## Specification @ 25°C 

## General Note 

TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. 

BI Technologies A-1445, Jalan Tanjung Api 25050 Kuantan Pahang Darul Makmur Malaysia 

Ph: +60 9 565 8888     Fax: +60 9 514 3555 http://www.ttelectronics.com/magnetics/customer-service-enquiry 

© TT Electronics plc 

Rev. 03    7.17 

**Shielded Surface Mount Inductors** 

## **Model HA78** 

## Mechanical Outline Dimensions (mm) 

|**Case**~~**Size**~~|~~**Fig**~~|~~**A (Max)**~~|~~**B (Max)**~~|~~**C (Max)**~~|~~**D**~~|~~**E**~~|~~**F**~~|~~**G**~~|~~**H**~~|~~**I**~~|~~**J**~~|
|---|---|---|---|---|---|---|---|---|---|---|---|
|10|1|7.4|7.4|3.8|2.0|0.85|5.6|6.5|3.0|1.91|‐|
|2~~0~~|~~1~~|~~7.4~~|~~7.4~~|~~5.2~~|~~2.0~~|~~0.85~~|~~5.6~~|~~6.5~~|~~3.0~~|~~1.91~~|~~‐~~|
|30|2|7.5|7.5|3.5|2.0|1.10|5.08|6.3|3.0|1.91|4.5|
|40|2|7.5|7.5|4.5|2.0|1.10|5.08|6.3|3.0|1.91|4.5|
|45|3|12.5|12.5|4.5|5.0|2.0|7.6|10.0|6.0|3.0|7.0|
|50|3|12.5|12.5|6.2|5.0|2.0|7.6|10.0|6.0|3.0|7.0|
|60|3|12.5|12.5|8.0|5.0|2.0|7.6|10.0|6.0|3.0|7.0|



General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. 

BI Technologies A-1445, Jalan Tanjung Api 25050 Kuantan Pahang Darul Makmur Malaysia Ph: +60 9 565 8888     Fax: +60 9 514 3555 http://www.ttelectronics.com/magnetics/customer-service-enquiry 

© TT Electronics plc 

Rev. 03    7.17 

**Shielded Surface Mount Inductors Model HA78** 

## Mechanical Outline Dimensions (mm) 

||Embossed Tape and Reel||||
|---|---|---|---|---|
||Reel|Diameter ;||= 13” (330.2mm)|
|St~~andard~~|||||
|||Capacity:|Case size 10,30,40|= 1,000 Units|
||||Case size 20, 45, 50, 60|=500 Units|



## Orderi ~~ng Informaton~~ 

HA78   ‐      20 100 LF TR13 

Model Series Tape & 13” Reel Packing Case Size 10 (Figure 1) 45 (Figure 3) Lead Free 20 (Figure 1) 50 (Figure 3) 30 (Figure 2) 60 (Figure 3) je Inductance Code: 40 (Figure 2) First 2 digits are significant. Last digit denotes the number of trailing zeros. For values below 10µH, “R” denotes the decimal point. 

## Current Derating Vs Ambient Temperature Graph 

General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics’ own data and is considered accurate at time of going to print. 

BI Technologies A-1445, Jalan Tanjung Api 25050 Kuantan Pahang Darul Makmur Malaysia Ph: +60 9 565 8888     Fax: +60 9 514 3555 http://www.ttelectronics.com/magnetics/customer-service-enquiry 

© TT Electronics plc 

Rev. 03    7.17 



## Links

- [View this product on Novapart](https://novapart.co/products/HA78-45330LFTR13/power-inductor-smd-33-h-23-a-shielded-27-ha78)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/tt-electronics-bi-technologies/ha78-45330lftr13/inductor-shielded-33uh-20-aec/dp/2765523)
---

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