SRR1240-3R9Y representative package visual — not an exact-product photograph

Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN20 sourced attributes1 source document

Bourns Inc. · exact orderable part

SRR1240-3R9Y

FIXED IND 3.9UH 6.35A 15MOHM SMD

Inductance: 3.9 µH
Tolerance: ±30%
Current Rating (Amps): 6.35 A
Current - Saturation (Isat): 6.2A
DC Resistance (DCR): 15mOhm Max
Shielding: Shielded
Frequency - Self Resonant: 39MHz
Size / Dimension: 0.492" L x 0.492" W (12.50mm x 12.50mm)
Height - Seated (Max): 0.177" (4.50mm)

Original manufacturerCommercial terms confirmed per lot

ManufacturerBourns Inc.

Package / caseNonstandard

Mounting typeSurface Mount

PackingTape & Reel (TR)

Technical parameters

Technical specifications

20 normalized values · 1 validated source

Report a data issue

SRR1240-3R9Y technical parameters
Parameter	Value
Current - Saturation (Isat)	6.2A [1]
Base Product Number	SRR1240 [1]
Current Rating (Amps)	6.35 A [1]
DC Resistance (DCR)	15mOhm Max [1]
Frequency - Self Resonant	39MHz [1]
Height - Seated (Max)	0.177" (4.50mm) [1]
Inductance	3.9 µH [1]
Inductance Frequency - Test	100 kHz [1]
Material - Core	Ferrite [1]
Mfr	Bourns Inc. [1]
Mounting Type	Surface Mount [1]
Operating Temperature	-40°C~125°C [1]
Q @ Freq	14 @ 7.96MHz [1]
Product Status	Active [1]
Series	SRR1240 [1]
Shielding	Shielded [1]
Size / Dimension	0.492" L x 0.492" W (12.50mm x 12.50mm) [1]
Tolerance	±30% [1]
Type	Drum Core, Wirewound [1]
Package / Case	Nonstandard [1]

Specification references[1]Bourns Inc. SRR1240-3R9Y vendor product record ↗

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerBourns Inc.View brand page →CategoryFixed InductorsView category page →Part familySRR1240Compare exact variants →

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.