PM75-151K-RC Equivalent & Substitute Parts

Part Overview

The PM75-151K-RC is a 150 µH unshielded drum core wirewound inductor manufactured by Bourns Inc., rated for 580 mA continuous current with a maximum DC resistance of 680 mOhm. This surface mount component operates across the temperature range of -40°C to 125°C and is ROHS3 compliant. The part is currently active in production with 856 pieces available in stock. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when packaging format requirements differ.

Key Parameters

Parameter	Value
Inductance	150 µH
Inductance Tolerance	±10%
Current Rating	580 mA
Current - Saturation (Isat)	850 mA
DC Resistance (DCR)	680 mOhm Max
Core Material	Ferrite
Shielding	Unshielded
Q @ Frequency	12 @ 796 kHz
Self Resonant Frequency	6 MHz
Operating Temperature Range	-40°C to 125°C
Mounting Type	Surface Mount
Size / Dimension	0.307" Dia (7.80 mm)
Height - Seated (Max)	0.209" (5.30 mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

The SDR0805-151KL qualifies as a direct substitute for the PM75-151K-RC based on the following electrical and mechanical parameters:

Electrical Parameters (Identical):

Inductance: 150 µH with ±10% tolerance
Current Rating: 580 mA
Saturation Current (Isat): 850 mA
DC Resistance (DCR): 680 mOhm Max
Core Material: Ferrite, unshielded drum core
Q Factor: 12 @ 796 kHz
Self Resonant Frequency: 6 MHz
Operating Temperature Range: -40°C to 125°C
Inductance Test Frequency: 1 kHz

Mechanical Parameters (Compatible):

Mounting Type: Surface Mount
Physical Dimensions: 0.307" (7.80 mm) diameter with 0.209" (5.30 mm) maximum seated height
RoHS3 Compliance: Both parts meet ROHS3 requirements
Moisture Sensitivity Level: 1 (Unlimited)

Packaging Difference:

PM75-151K-RC: Tape & Reel (TR) packaging
SDR0805-151KL: Cut Tape (CT) & Digi-Reel® packaging

Parameter Comparison

Parameter	PM75-151K-RC	SDR0805-151KL	Match Status
Inductance	150 µH	150 µH	Identical
Inductance Tolerance	±10%	±10%	Identical
Current Rating (Amps)	580 mA	580 mA	Identical
Current - Saturation (Isat)	850 mA	850 mA	Identical
DC Resistance (DCR)	680 mOhm Max	680 mOhm Max	Identical
Core Material	Ferrite	Ferrite	Identical
Shielding	Unshielded	Unshielded	Identical
Q @ Frequency	12 @ 796 kHz	12 @ 796 kHz	Identical
Self Resonant Frequency	6 MHz	6 MHz	Identical
Operating Temperature Range	-40°C to 125°C	-40°C to 125°C	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Size / Dimension	0.307" Dia (7.80 mm)	0.307" L x 0.307" W (7.80 mm x 7.80 mm)	Compatible
Height - Seated (Max)	0.209" (5.30 mm)	0.209" (5.30 mm)	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Different
Inventory Availability	856 Pcs	7800 Pcs	Different

Engineering Selection Recommendations

Both the PM75-151K-RC and SDR0805-151KL are active production parts manufactured by Bourns Inc. with identical electrical specifications and compatible mechanical dimensions. Selection between these parts should be based on packaging and inventory requirements:

Use PM75-151K-RC when Tape & Reel (TR) packaging is required for automated assembly processes.

Use SDR0805-151KL when Cut Tape (CT) or Digi-Reel® packaging is preferred, or when higher inventory availability is needed. The SDR0805-151KL currently has 7800 pieces in stock compared to 856 pieces for the PM75-151K-RC.

Both parts meet ROHS3 compliance and REACH unaffected status, making them suitable for applications requiring regulatory compliance in electronics manufacturing.

Frequently Asked Questions (FAQ)

Q: Can SDR0805-151KL be used as a direct replacement for PM75-151K-RC in PCB assembly?

A: Yes. Both parts have identical electrical parameters (150 µH inductance, 580 mA current rating, 680 mOhm DCR) and compatible physical dimensions (0.307" diameter, 0.209" maximum height). The primary difference is packaging format: PM75-151K-RC uses Tape & Reel while SDR0805-151KL uses Cut Tape & Digi-Reel. Verify your assembly equipment can accommodate the packaging format of your selected part.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on a continuous reel suitable for high-speed automated pick-and-place assembly. Cut Tape (CT) packaging provides components on tape segments, typically used for lower-volume assembly or manual placement. Digi-Reel® is a Bourns proprietary packaging format that combines benefits of both formats.

Q: Are there any electrical performance differences between these two part numbers?

A: No. Both parts have identical inductance (150 µH ±10%), current rating (580 mA), saturation current (850 mA), DC resistance (680 mOhm max), Q factor (12 @ 796 kHz), and self-resonant frequency (6 MHz). They operate across the same temperature range (-40°C to 125°C) and meet identical compliance standards.

Q: Which part should I select if both are available?

A: Selection depends on your assembly process and inventory needs. If your production line uses automated Tape & Reel feeding, use PM75-151K-RC. If you prefer Cut Tape packaging or need higher stock availability, SDR0805-151KL is the better choice with 7800 pieces currently in inventory.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both PM75-151K-RC and SDR0805-151KL are ROHS3 compliant and REACH unaffected, meeting current electronics manufacturing regulatory standards.

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