PM7032S-331M-RC Equivalent & Substitute Parts

Part Overview

The PM7032S-331M-RC is a 330 µH shielded drum core wirewound inductor manufactured by Bourns Inc., rated for 220 mA continuous current with a maximum DC resistance of 1.9Ohm. This surface mount component operates across the temperature range of -40°C to 125°C and is ROHS3 compliant. The part is currently in active production status with 806 units available in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required for design flexibility, inventory management, or supply chain continuity.

Substiute Parts

PM7032S-331M-RC
Bourns Inc.In Stock: 872PM7032S-331M-RC Datasheet
PM7032S-331M-RC
Current Part
SRR7032-331M
Bourns Inc.In Stock: 1923SRR7032-331M Datasheet
SRR7032-331M
Similar

Key Parameters

Parameter Value
Inductance 330 µH
Tolerance ±20%
Current Rating 220 mA
Current - Saturation (Isat) 240 mA
DC Resistance (DCR) 1.9Ohm Max
Core Material Ferrite
Shielding Shielded
Operating Temperature Range -40°C ~ 125°C
Mounting Type Surface Mount
Package Size 7.00mm x 7.00mm x 3.40mm (Max Height)
RoHS Status ROHS3 Compliant
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the PM7032S-331M-RC is determined by strict equivalence across the following critical parameters:

  • Inductance value: 330 µH with ±20% tolerance
  • Current rating: 220 mA minimum continuous current capability
  • Saturation current: 240 mA minimum
  • DC resistance: 1.9Ohm maximum
  • Core type: Ferrite shielded drum core
  • Mounting: Surface mount configuration
  • Package dimensions: 7.00mm x 7.00mm footprint with 3.40mm maximum height
  • Operating temperature: -40°C to 125°C range
  • Compliance: ROHS3 and REACH requirements

The SRR7032-331M meets all specified electrical and mechanical parameters and qualifies as a direct substitute.

Parameter Comparison

Parameter PM7032S-331M-RC SRR7032-331M Match Status
Manufacturer Bourns Inc. Bourns Inc. Identical
Inductance 330 µH 330 µH Identical
Tolerance ±20% ±20% Identical
Current Rating (Amps) 220 mA 220 mA Identical
Current - Saturation (Isat) 240 mA 240 mA Identical
DC Resistance (DCR) 1.9Ohm Max 1.9Ohm Max Identical
Core Material Ferrite Ferrite Identical
Shielding Shielded Shielded Identical
Type Drum Core, Wirewound Drum Core, Wirewound Identical
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C Identical
Q @ Freq 46 @ 796kHz 46 @ 796kHz Identical
Frequency - Self Resonant 6.1MHz 6.1MHz Identical
Inductance Frequency - Test 100 kHz 100 kHz Identical
Mounting Type Surface Mount Surface Mount Identical
Size / Dimension 7.00mm x 7.00mm 7.00mm x 7.00mm Identical
Height - Seated (Max) 3.40mm 3.40mm Identical
Packaging Tape & Reel (TR) Tape & Reel (TR) Identical
Product Status Active Active Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
MSL Rating 1 (Unlimited) 1 (Unlimited) Identical
REACH Status REACH Unaffected REACH Unaffected Identical

Engineering Selection Recommendations

Both PM7032S-331M-RC and SRR7032-331M are active production components from Bourns Inc. with identical electrical specifications, mechanical dimensions, and compliance certifications. Selection between these parts may be based on inventory availability: PM7032S-331M-RC has 806 units in stock, while SRR7032-331M has 1871 units available. Both parts meet ROHS3 and REACH requirements and are suitable for applications requiring 330 µH inductance at 220 mA continuous current in surface mount configurations. The interchangeability is complete across all specified parameters.

Frequently Asked Questions (FAQ)

Q: Can SRR7032-331M be used as a direct replacement for PM7032S-331M-RC?

A: Yes. Both parts are manufactured by Bourns Inc. and share identical electrical specifications (330 µH inductance, 220 mA current rating, 1.9Ohm DCR), mechanical dimensions (7.00mm x 7.00mm footprint), operating temperature range (-40°C to 125°C), and compliance certifications (ROHS3, REACH). No circuit modifications are required.

Q: Are there any differences in the package or mounting between these parts?

A: No. Both parts use identical surface mount packaging in Tape & Reel format with the same footprint dimensions and maximum seated height of 3.40mm.

Q: What is the difference between the PM7032S and SRR7032 series designations?

A: The series designation reflects the internal product line classification within Bourns Inc. The electrical and mechanical specifications are equivalent for these specific part numbers.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both parts operate across the temperature range of -40°C to 125°C and maintain their specified electrical characteristics within this range.

Q: What is the moisture sensitivity level for these inductors?

A: Both parts have an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.

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