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PM3602-10-B-RC Equivalent & Substitute Parts
Part Overview
The PM3602-10-B-RC is an unshielded 2-coil inductor array manufactured by Bourns Inc. in the PM3600 series. This component provides dual inductance configurations: 10 µH when coils are connected in parallel and 40 µH when connected in series. The part is classified as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Bourns Inc. |
| Series | PM3600 |
| Number of Coils | 2 |
| Inductance - Parallel Configuration | 10 µH |
| Inductance - Series Configuration | 40 µH |
| Tolerance | ±20% |
| Current Rating - Parallel | 1.83 A |
| Current Rating - Series | 920 mA |
| DC Resistance (DCR) - Parallel | 40 mOhm Max |
| DC Resistance (DCR) - Series | 160 mOhm Max |
| Shielding | Unshielded |
| Operating Temperature Range | -55°C to 125°C |
| Mounting Type | Surface Mount |
| Package / Case | Nonstandard |
| Size / Dimension | 0.452" L x 0.354" W (11.48 mm x 8.99 mm) |
| Height | 0.225" (5.72 mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution eligibility for the PM3602-10-B-RC is determined by strict equivalence across the following critical parameters:
- Dual-coil inductor array configuration with identical inductance values in both parallel (10 µH) and series (40 µH) modes
- Matching current ratings: 1.83 A parallel, 920 mA series
- Identical DC resistance specifications: 40 mOhm max parallel, 160 mOhm max series
- Tolerance of ±20%
- Unshielded construction
- Operating temperature range of -55°C to 125°C
- Surface mount technology with nonstandard package dimensions (11.48 mm x 8.99 mm x 5.72 mm height)
- ROHS3 compliance and REACH unaffected status
The primary distinction between the main part and its substitute relates to packaging format and product status, not electrical or mechanical specifications.
Parameter Comparison
| Parameter | PM3602-10-B-RC (Main Part) | PM3602-10-RC (Substitute) |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| Series | PM3600 | PM3600 |
| Number of Coils | 2 | 2 |
| Inductance - Parallel | 10 µH | 10 µH |
| Inductance - Series | 40 µH | 40 µH |
| Tolerance | ±20% | ±20% |
| Current Rating - Parallel | 1.83 A | 1.83 A |
| Current Rating - Series | 920 mA | 920 mA |
| DC Resistance (DCR) - Parallel | 40 mOhm Max | 40 mOhm Max |
| DC Resistance (DCR) - Series | 160 mOhm Max | 160 mOhm Max |
| Shielding | Unshielded | Unshielded |
| Operating Temperature Range | -55°C to 125°C | -55°C to 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | Nonstandard | Nonstandard |
| Size / Dimension | 0.452" L x 0.354" W (11.48 mm x 8.99 mm) | 0.452" L x 0.354" W (11.48 mm x 8.99 mm) |
| Height | 0.225" (5.72 mm) | 0.225" (5.72 mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
| Product Status | Obsolete | Active |
| Packaging Format | Bulk | Tape & Reel (TR) |
Engineering Selection Recommendations
The PM3602-10-RC serves as a direct electrical and mechanical equivalent to the PM3602-10-B-RC. Both components are manufactured by Bourns Inc. within the PM3600 series and maintain identical electrical specifications, dimensional tolerances, and environmental ratings.
The primary distinction is product status: PM3602-10-B-RC is classified as obsolete, while PM3602-10-RC remains active in production. Additionally, PM3602-10-RC is supplied in Tape & Reel (TR) packaging format, whereas the main part uses bulk packaging.
For new designs or production continuity, PM3602-10-RC is the appropriate selection. Both parts satisfy ROHS3 compliance and REACH unaffected requirements, ensuring regulatory alignment across applications.
Frequently Asked Questions (FAQ)
Q: Are PM3602-10-B-RC and PM3602-10-RC electrically identical?
A: Yes. Both components provide identical inductance values (10 µH parallel, 40 µH series), current ratings (1.83 A parallel, 920 mA series), and DC resistance specifications (40 mOhm max parallel, 160 mOhm max series). Tolerance, operating temperature range, and all other electrical parameters are equivalent.
Q: What is the difference between these two part numbers?
A: The primary differences are product status and packaging format. PM3602-10-B-RC is obsolete and supplied in bulk packaging. PM3602-10-RC is an active product supplied in Tape & Reel (TR) format, which is standard for automated assembly processes.
Q: Can PM3602-10-RC be used as a direct replacement in existing designs?
A: Yes. PM3602-10-RC is mechanically and electrically compatible with PM3602-10-B-RC. Footprint, mounting requirements, and performance characteristics are identical. The Tape & Reel packaging format is compatible with standard pick-and-place assembly equipment.
Q: Are there any compliance or certification differences?
A: No. Both parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) moisture sensitivity rating. Environmental and regulatory requirements are equivalent.
Q: What is the significance of the nonstandard package designation?
A: The nonstandard package classification indicates that this inductor array uses a custom form factor specific to the PM3600 series, rather than a standardized industry package. The physical dimensions (11.48 mm x 8.99 mm x 5.72 mm height) are fixed across both part numbers.
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