Datasheet

Features
n Shielded construction
n Carbonyl powder core
n High saturation current
n Inductance range: 1 to 100 µH
n AEC-Q200 compliant
n RoHS compliant* and halogen free**
SRP1770TA Series - Shielded Power Inductors
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine
(Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Operating Temperature
................................-40 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Rated Current
......... Inductance drops 20 % at Isat1,
30 % at Isat2
Temperature Rise .....40 °C at rated Irms
Moisture Sensitivity Level ..................... 1
ESD Classication (HBM).................N/A
1
Circuit design, component, PCB trace
size and thickness, airow and other
cooling provisions all affect the part
temperature. Part temperature should be
veried in the end application.
Electrical Specications @ 25 °C General Specications
Core ............................. Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ....... 200 pcs. per 13-inch reel
Materials
Product Dimensions
How to Order
SRP1770TA - 220 M
Model
Value Code (see table)
Tolerance Code
Soldering Prole
DIMENSIONS:
MM
(INCHES)
Recommended Layout
Bourns
Part Number
Inductance
@ 100 KHz
/ 1 V
Q (Min.)
@100 KHz
/ 1 V
SRF
(MHz)
Typ.
DCR
(mW)
Typ.
DCR
(mW)
Max.
Irms
(A)
Isat1
(A)
Isat2
(A)
Terminal
TypeL (µH)
Tol.
(%)
SRP1770TA-1R0M 1 ± 20 20 35 1.6 2 52 60 70
Lead
Frame
SRP1770TA-1R5M 1.5 ± 20 20 30 2 2.5 47 52 65
SRP1770TA-2R2M 2.2 ± 20 20 22 2.4 2.7 43.5 47 62
SRP1770TA-3R3M 3.3 ± 20 20 17 3.5 3.9 28 45 54
SRP1770TA-4R7M 4.7 ± 20 20 15 4.8 5.5 25 41 50
SRP1770TA-5R6M 5.6 ± 20 20 12 5.8 7.05 21 40 45
SRP1770TA-6R8M 6.8 ± 20 20 11 8.4 9.2 19 32 39
SRP1770TA-8R2M 8.2 ± 20 20 10 9.6 10.8 18 25 31
SRP1770TA-100M 10 ± 20 20 8 11.8 13 16.5 24 29
SRP1770TA-150M 15 ± 20 20 7 17.8 20.5 12.5 23 27
SRP1770TA-220M 22 ± 20 20 5 25.1 26.5 12 18 23
SRP1770TA-330M 33 ± 20 20 4 38 44 10.7 15 20
SRP1770TA-390M 39 ± 20 20 4 40 48 9.2 11 18
SRP1770TA-470M 47 ± 20 20 3 48 55 8.7 9.5 16
SRP1770TA-560M 56 ± 20 20 3 54 62 7.8 9 15
SRP1770TA-680M 68 ± 20 20 2 68 80 7 8 13
SRP1770TA-101M 100 ± 20 20 2 102 118 5.3 6.5 12
16.9 ± 0.3
(.666 ± .012)
17.6 ± 0.4
(.693 ± .016)
6.7 ± 0.3
(.264 ± .012)
16.9 ± 0.3
(.666 ± .012)
11.9 ± 0.3
(.469 ± .012)
2.1 ± 0.3
(.083 ± .012)
2.3 ± 0.3
(.091 ± .012)
101
1510
18.5
(.728)
12.2
(.480)
12.5
(.492)
0 ~+ 0.25
(0 ~+ .010)
16.9 ± 0.3
(.666 ± .012)
17.3 ± 0.4
(.681 ± .016)
6.7 ± 0.3
(.264 ± .012)
16.9 ± 0.3
(.666 ± .012)
11.9 ± 0.3
(.469 ± .012)
2.1 ± 0.3
(.083 ± .012)
101
1510
18.5
(.728)
12.2
(.480)
12.5
(.492)
0 ~+ 0.25
(0 ~+ .010)
Max. Peak Temperature 260 ഒ10 sec. max.
Max. Time Above 217 ഒ: 60~150 sec. max.
Peak Temperature260 ഒ max.
25
Temperature (°C)
Time (Seconds)
Reflow Times: 3 Times Max.
Preheating Soldering Natural Cooling
217 °C
t
p
(245 °C, 20~40 Sec.)
200 °C
150°C
60~180
Sec.
480 Sec. Max.
60~150 Sec.
T
P
(260 °C / 10 Sec. Max.)
Lead Frame Terminal
*RoHS COMPLIANT,
**HALOGEN FREE &
AEC-Q200 COMPLIANT
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov