# Power Inductor (SMD), UNI-PAC™, 15 µH, 5.5 A, Unshielded, 9.1 A, UP4B Series

![Product image](https://novapart.co/image/farnell:1704128/)

**URL**: https://novapart.co/products/UP4B-150-R/power-inductor-smd-uni-pactm-15-h-55-a-unshielded
**SKU**: UP4B-150-R
**Manufacturer**: EATON COILTRONICS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €1.2400
**Stock**: 10+
**Lead Time**: 123 days (indicative)

## Description

Inductance:15µH; RMS Current (Irms):5.5A; Inductor Construction:Unshielded; Saturation Current (Isat):9.1A; Product Range:UP4B Series; Power Inductor Case:22.1mm x 15mm x 7.87mm; DC Resistance Max:0.023oh

## Specifications

| Parameter | Value |
|---|---|
| Inductance | 15µH |
| Product Range | UP4B Series |
| Product Width | 15mm |
| Product Height | 7.87mm |
| Product Length | 22.1mm |
| Dc Resistance Max | 0.023ohm |
| Rms Current (Irms) | 5.5A |
| Power Inductor Case | 22.1mm x 15mm x 7.87mm |
| Inductance Tolerance | ± 20% |
| Inductor Construction | Unshielded |
| Saturation Current (Isat) | 9.1A |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1704128/)

## **UNI-PAC™ Power Inductors (Surface Mount)** 

## **Description** 

- Miniature surface mount design 

- Inductance range from 0.470uH to 1000uH 

**RoHS 2002/95/EC** <> 

- Current range from 19.2 to .47 Amps 

- Maximum power density 

- Ideal for applications requiring low inductance and high current in a miniature package 

- Modified standard products are available 

- Protective case eliminates core breakage 

- Meets UL 94V-0 flammability standard 

- Ferrite core material 

## **Applications** 

- DC-DC converters on board level and industrial products 

## **Environmental Data** 

- Storage temperature range: -40°C to +125°C 

- Operating ambient temperature range: -40°C to +85°C (range is application specific) 

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PROTECTIVE CASENOW AVAILABLE WITH A<br>**----- End of picture text -----**<br>


## **Packaging** 

   - Supplied in tape and reel packaging, 900 (UP1B), 550 (UP2B), 450 (UP3B),  and 275 (UP4B) per reel 

- Solder reflow temperature: +260°C max. for 10 seconds max. 

|**Part**<br>**Number**<br>~~Rn~~|**Inductance**<br>**µH (rated)**<br>~~nD~~|**OCL(1)**<br>**µH**±**20%**|**I RMS(2)**<br>**Amperes**|**I SAT(3)**<br>**Amperes**|**DCR(4)**<br>**Ohms max.**|
|---|---|---|---|---|---|
|**UP1B-R47-R**<br>~~Rn~~<br>~~Rn~~|0.47<br>~~nD~~<br>~~nD~~|0.569|6.0|7.7|0.0097|
|**UP1B-1R0-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|1.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|1.20|4.4|5.3|0.0177|
|**UP1B-1R5-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|1.5<br>~~nD~~<br>~~nD~~<br>~~nD~~|1.61|4.2|4.5|0.0200|
|**UP1B-2R2-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|2.2<br>~~nD~~<br>~~nD~~<br>~~nD~~|2.62|3.1|3.5|0.0363|
|**UP1B-3R3-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|3.3<br>~~nD~~<br>~~nD~~<br>~~nD~~|3.79|2.9|3.0|0.0428|
|**UP1B-4R7-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|4.7<br>~~nD~~<br>~~nD~~<br>~~nD~~|5.15|2.2|2.6|0.0544|
|**UP1B-6R8-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|6.8<br>~~nD~~<br>~~nD~~<br>~~nD~~|6.87|1.7|2.2|0.0897|
|**UP1B-100-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|10.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|11.00|1.5|1.9|0.1107|
|**UP1B-150-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|15.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|16.00|1.2|1.5|0.1747|
|**UP1B-220-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|22.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|23.50|1.0|1.2|0.2541|
|**UP1B-330-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|33.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|36.00|0.82|0.99|0.3670|
|**UP1B-470-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|47.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|48.50|0.72|0.87|0.4740|
|**UP1B-680-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|68.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|73.52|0.58|0.67|0.7320|
|**UP1B-101-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|100.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|112.67|0.47|0.53|1.11|
|**UP1B-151-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|150.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|152.40|0.40|0.46|1.61|
|**UP1B-221-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rs~~|220.0<br>~~nD~~<br>~~nD~~<br>~~Rs~~|223.10<br>|0.36<br>|0.38<br>|1.96<br>|
|**UP1B-331-R**<br>~~Rn~~<br>~~Rs~~|330.0<br>~~nD~~<br>~~RsQO~~|331.90<br>~~QO~~|0.28<br>~~QO~~|0.31<br>~~QO~~|3.10<br>~~QO~~|
|**UP2B-R47-R**<br>~~Rs~~<br>~~a~~<br>~~Rn~~|0.47<br>~~Rs~~<br>~~a~~<br>~~nD~~|0.595<br><br>~~a~~|10.6<br><br>~~a~~|11.4<br><br>~~a~~|0.0049<br><br>~~a~~|
|**UP2B-1R0-R**<br>~~Rn~~<br>~~Rn~~|1.0<br>~~nD~~<br>~~nD~~|1.00|9.3|9.9|0.0065|
|**UP2B-1R5-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|1.5<br>~~nD~~<br>~~nD~~<br>~~nD~~|1.46|8.3|7.9|0.0081|
|**UP2B-2R2-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|2.2<br>~~nD~~<br>~~nD~~<br>~~nD~~|2.56|7.2|6.1|0.0107|
|**UP2B-3R3-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|3.3<br>~~nD~~<br>~~nD~~<br>~~nD~~|3.23|6.5|5.1|0.0128|
|**UP2B-4R7-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|4.7<br>~~nD~~<br>~~nD~~<br>~~nD~~|4.77|5.5|4.2|0.0165|
|**UP2B-6R8-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|6.8<br>~~nD~~<br>~~nD~~<br>~~nD~~|6.63|5.0|3.6|0.0202|
|**UP2B-100-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|10.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|9.73|4.3|3.3|0.0267|
|**UP2B-150-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|15.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|15.43|3.5|2.4|0.0410|
|**UP2B-220-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|22.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|22.50|2.8|2.0|0.0617|
|**UP2B-330-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|33.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|33.13|2.1|1.7|0.0917|
|**UP2B-470-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|47.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|48.65|1.7|1.4|0.1388|
|**UP2B-680-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|68.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|68.17|1.5|1.2|0.1787|
|**UP2B-820-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rn~~|82.0<br>~~nD~~<br>~~nD~~<br>~~nD~~|84.1|1.34|1.03|0.2235|
|**UP2B-101-R**<br>~~Rn~~<br>~~Rn~~<br>~~Rs~~|100.0<br>~~nD~~<br>~~nD~~<br>~~ns~~|102.60<br>~~QO~~|1.2<br>~~QO~~|0.95<br>Q|0.2707|
|**UP2B-151-R**<br>~~Rn~~<br>~~Rs~~|150.0<br>~~nD~~<br>~~ns~~|150<br>~~QO~~|1.0<br>~~QO~~|0.77<br>Q|0.4100|



- **Notes:** (1) Open Circuit Inductance Test Parameters: 100KHz, .250Vrms, 0.0Adc. 

   - (2) RMS current for an approximate ∆T of 40°C. at an ambient temperature of 85˚C. 

- (3) Peak current for approximately 30% rolloff UP1B, 3B, 4B. 10% rolloff UP2B @ 20°C 

- (4) DCR limits 20°C. 

## **UNI-PAC™ Power Inductors (Surface Mount)** 

|**Part**<br>**Number**|**Inductance**<br>**µH (rated)**|**OCL(1)**<br>**µH**±**20%**|**I RMS(2)**<br>**Amperes**|**I SAT(3)**<br>**Amperes**|**DCR(4)**<br>**Ohms max.**|
|---|---|---|---|---|---|
|**UP2B-221-R**|220.0|223|0.773|0.637|0.6717|
|**UP2B-331-R**|330.0|338|0.676|0.510|0.8783|
|**UP2B-471-R**|470.0|471|0.553|0.427|1.31|
|**UP2B-681-R**|680.0|700|0.452|0.355|1.97|
|**UP2B-821-R**|820.0|823|0.423|0.334|2.24|
|**UP2B-102-R**|1000.0|1005|0.369|0.300|2.96|
|**UP3B-R47-R**|0.47|0.452|16.0|25.1|0.0021|
|**UP3B-1R0-R**|1.0|1.34|12.5|15.3|0.0034|
|**UP3B-1R5-R**|1.5|2.08|10.0|12.0|0.0053|
|**UP3B-2R2-R**|2.2|3.01|9.2|10.2|0.0074|
|**UP3B-3R3-R**|3.3|3.96|8.0|9.3|0.0083|
|**UP3B-4R7-R**|4.7|5.00|6.5|7.7|0.0114|
|**UP3B-6R8-R**|6.8|7.70|5.8|6.2|0.0183|
|**UP3B-100-R**|10.0|11.00|4.3|5.2|0.0260|
|**UP3B-150-R**|15.0|16.38|3.9|4.3|0.0317|
|**UP3B-220-R**|22.0|23.93|3.1|3.7|0.0490|
|**UP3B-330-R**|33.0|33.85|2.4|3.0|0.0688|
|**UP3B-470-R**|47.0|51.00|1.9|2.4|0.1082|
|**UP3B-680-R**|68.0|69.50|1.6|2.0|0.1558|
|**UP3B-101-R**|100.0|101.40|1.4|1.8|0.2053|
|**UP3B-151-R**|150.0|152.9|1.2|1.4|0.2960|
|**UP3B-331-R**|330.0|332.80|0.75|0.98|0.7330|
|**UP4B-R47-R**|0.47|0.473|19.2|51.7|0.0019|
|**UP4B-1R0-R**|1.0|0.916|17.3|37.3|0.0023|
|**UP4B-1R5-R**|1.5|1.52|13.4|28.9|0.0039|
|**UP4B-2R2-R**|2.2|2.27|12.0|23.7|0.0048|
|**UP4B-3R3-R**|3.3|3.14|11.0|20.2|0.0057|
|**UP4B-4R7-R**|4.7|5.34|8.6|15.6|0.0093|
|**UP4B-6R8-R**|6.8|6.66|8.3|14.1|0.0100|
|**UP4B-100-R**|10.0|9.77|6.8|11.5|0.0150|
|**UP4B-150-R**|15.0|15.61|5.5|9.1|0.0230|
|**UP4B-220-R**|22.0|22.61|4.5|7.6|0.0340|
|**UP4B-330-R**|33.0|34.30|3.7|6.1|0.0520|
|**UP4B-470-R**|47.0|48.10|3.1|5.2|0.0740|
|**UP4B-680-R**|68.0|69.14|2.4|4.3|0.1200|
|**UP4B-101-R**|100.0|99.42|2.0|3.6|0.1700|
|**UP4B-151-R**|150.0|146.90|1.7|3.0|0.2392|
|**UP4B-221-R**|220.0|221.40|1.4|2.4|0.3571|
|**UP4B-331-R**|330.0|330.00|1.1|2.0|0.5800|
|**UP4B-471-R**|470.0|470.10|0.91|1.7|0.8330|



- **Notes:** (1) Open Circuit Inductance Test Parameters: 100KHz, .250Vrms, 0.0Adc. 

   - (2) RMS current for an approximate ∆T of 40°C. at an ambient temperature of 85˚C. 

- (3) Peak current for approximately 30% rolloff UP1B, 3B, 4B. 10% rolloff UP2B @ 20°C 

- (4) DCR limits 20°C. 

## **UNI-PAC™ Power Inductors (Surface Mount)** 

## **Mechanical Diagrams** 

UP1B Series 

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**----- Start of picture text -----**<br>
TOP VIEW<br>8.89<br>Max<br>2.42 FRONT VIEW<br>Ref<br>4.04<br>Max<br>5.0<br>6.10 Max<br>Max<br>0.762<br>Min<br>UP1B XXX<br>wwllyy R<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
PCB PAD LAYOUT<br>8.89<br>SCHEMATIC<br>5.08<br>1<br>4 . 1<br>2<br>1.9<br>COMPONENT VIEW<br>**----- End of picture text -----**<br>


## UP2B Series 

## PCB PAD LAYOUT 

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**----- Start of picture text -----**<br>
TOP VIEW<br>13.97<br>Max<br>4.22 FRONT VIEW<br>Ref<br>6.73<br>Max<br>6.0<br>10.41 Max<br>Max<br>0.762<br>Min<br>UP2B XXX<br>wwllyy R<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
14.0<br>SCHEMATIC<br>9.4<br>1<br>7.3<br>2<br>2.3<br>COMPONENT VIEW<br>**----- End of picture text -----**<br>


## UP3B Series 

## TOP VIEW 

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**----- Start of picture text -----**<br>
SIDE VIEW<br>8.13 13.21<br>1 2<br>max max 6.8<br>max<br>12.70<br>19.30<br>max<br>UP3B XXX<br>wwllyy R<br>**----- End of picture text -----**<br>


## PCB PAD LAYOUT 

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**----- Start of picture text -----**<br>
19.3<br>SCHEMATIC<br>11.7<br>1<br>8.7<br>2<br>3.8<br>COMPONENT VIEW<br>**----- End of picture text -----**<br>


## UP4B Series 

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**----- Start of picture text -----**<br>
TOP VIEW<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
SIDE VIEW<br>11.18 1 2 15.00<br>max max 7 87<br>max<br>14.61<br>22.10<br>max<br>UP4B XXX<br>wwllyy R<br>**----- End of picture text -----**<br>


## PCB PAD LAYOUT 

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**----- Start of picture text -----**<br>
22.1<br>SCHEMATIC<br>13.5<br>1<br>12.0<br>2<br>4.3<br>COMPONENT VIEW<br>**----- End of picture text -----**<br>


wwllyy = (date code) R = revision level xxx = Inductance value per family chart 

Dimensions in Millimeters. 

## **UNI-PAC™ Power Inductors (Surface Mount)** 

## **Packaging Information** 

**==> picture [509 x 627] intentionally omitted <==**

**----- Start of picture text -----**<br>
UP1B Series 2.0<br>4.0<br>1.5 Dia.<br>A<br>1.75<br>all -<br>1<br>o o000000%800 0 0 TY 7.5<br>9.3 Py ~Y FE YY [P£ A + + 16<br>ACTUAL SIZE<br>2 UNI-PAC 1B<br>a 4.4 p m yc 2.3 ionol A -Bu =<br>5.6<br>FE SECTION A-A 6.4 aan 12.0<br>Direction of feed Parts packaged on 13" Diameter reel,<br>Dimensions in millimeters. 900 parts per reel.<br>UP2B Series 2.0<br>4.0<br>1.5 Dia. A<br>1.75<br>T o e<br>1<br>11.5<br>14.3 24<br>2 ACTUAL SIZE<br>UNI-PAC 2B<br>5.4<br>e 5.1 f A<br>He 6.8 s i sic ie :<br>10.7<br>SECTION A-A a 16.0<br>Direction of feed<br>Parts packaged on 13" Diameter reel,<br>Dimensions in millimeters. 550 parts per reel.<br>UP3B Series<br>2.0<br>4.0<br>1.5 Dia.<br>A<br>1.75<br>1<br>S US TTOO SHOT S O74 14.2 |<br>19.6 28.4 32<br>2 ACTUAL SIZE<br>UNI-PAC 3B<br>5.9 5.8 A<br>te SECTION A-A7.7 P p 13.5 go cco 16.0 | Ce loo 8<br>Direction of feed<br>Dimensions in millimeters. Parts packaged on 13" Diameter reel,<br>450 parts per reel.<br>UP4B Series<br>2.0<br>4.0<br>1.5 Dia.<br>A<br>1.75<br>1<br>14.2<br>22.3 28.4 32<br>2<br>ACTUAL SIZE<br>7.2 11.1 LL A UNI-PAC 4B<br>E 9.0 c 0500000000000\ 15.3 ORORC 24.0 RS) Trey| t<br>SECTION A-A<br>Direction of feed Parts packaged on 13" Diameter reel,<br>Dimensions in millimeters. 275 parts per reel.<br>**----- End of picture text -----**<br>


## **UNI-PAC™ Power Inductors (Surface Mount)** 

## **Inductance Characteristics** 

## _**UP1B-1R0 Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP1B-470 Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP2B-100 Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP1B-100**_ 

## _**Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP2B-1R0**_ 

## _**Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP2B-470**_ 

_**Typical Inductance & Energy vs Saturation Current**_ 

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**UNI-PAC™ Power Inductors (Surface Mount)** 

## **Inductance Characteristics** 

## _**UP3B-1R0**_ 

## _**Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP3B-470**_ 

_**Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP4B-100 Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP3B-100**_ 

_**Typical Inductance & Energy vs Saturation Current**_ 

**==> picture [183 x 79] intentionally omitted <==**

## _**UP4B-1R0**_ 

_**Typical Inductance & Energy vs Saturation Current**_ 

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## _**UP4B-470 Typical Inductance & Energy vs Saturation Current**_ 

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## **UNI-PAC™ Power Inductors (Surface Mount)** 

## PM-4308  3/07 

- © Cooper Electronic Technologies 2007 

## **Visit us on the Web at www.cooperbussmann.com** 

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- Tel: +1-561-998-4100  Toll Free: +1-888-414-2645  Fax: +1-561-241-6640 

This bulletin is intended to present product design solutions and technical information that will help the end user with design applications.  Cooper Electronic Technologies reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Electronic Technologies also reserves the right to change or update, without notice, any technical information contained in this bulletin.  Once a product has been selected, it should be tested by the user in all possible applications. 

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