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HomeProductsConnectors, InterconnectsTerminals - Spade ConnectorsBS-32-8-NB
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BS-32-8-NB - 3M

Manufacturer Part Number
BS-32-8-NB
Manufacturer
3M
Allelco Part Number
98D-BS-32-8-NB
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
40,629 pcs available, New & Original
Parts Description
CONN SPADE TERM 14-16AWG #8 BLU
Package
Bulk
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 40629
  • Unit Price: $0.115
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.115 $0.12
200+ $0.046 $9.20
500+ $0.044 $22.00
1000+ $0.044 $44.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

BS-32-8-NB Tech Specifications
3M - BS-32-8-NB technical specifications, attributes, parameters and parts with similar specifications to 3M - BS-32-8-NB

Product Attribute Attribute Value
Manufacturer 3M
Wire Gauge 14-16 AWG
Width - Outer Edges -
Tongue Inside Opening -
Termination Crimp
Terminal Type Standard
Stud/Tab Size 8 Stud
Series -
Package Bulk
Mounting Type Free Hanging (In-Line)
Material - Insulation Polyamide (PA), Nylon
Product Attribute Attribute Value
Length - Termination -
Length - Ring Center to Termination -
Length - Overall -
Insulation Diameter -
Insulation Insulated
Features -
Contact Material -
Contact Finish -
Color Blue
Base Product Number BS-32

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8536.90.4000

Frequently Asked Questions(FAQ)

What wire gauge range does the BS-32-8-NB terminal accommodate, and how does this affect my circuit design choices?
The BS-32-8-NB accepts 14–16 AWG wire, which corresponds to conductor cross-sections of approximately 2.08–1.31 mm². This gauge range positions the terminal for moderate-current applications typically between 15–20 amperes at standard operating temperatures. Designers selecting the BS-32-8-NB must ensure their source wire falls within this narrow window; undersized wire (18 AWG or smaller) will not seat properly in the crimp barrel, while oversized conductors (12 AWG or larger) cannot be accommodated. The #8 stud size on the BS-32-8-NB pairs well with relay coils, automotive lighting circuits, and distribution terminals where current paths are consolidated but not extreme.
How does the crimp termination method of the BS-32-8-NB compare to soldered or screw-down alternatives for reliability in vibration environments?
The BS-32-8-NB employs a permanent crimp connection that mechanically displaces the terminal barrel around the conductor strands, creating a gas-tight joint without thermal stress. Unlike soldered connections, which can fatigue and crack under mechanical vibration due to differential thermal cycling, the crimp on the BS-32-8-NB distributes stress across multiple contact points and resists movement once formed. Screw-down terminals require periodic retightening in high-vibration contexts; the BS-32-8-NB eliminates this maintenance burden. The crimp termination of the BS-32-8-NB is preferred in automotive underhood, industrial motor control, and transportation applications where vibration and thermal cycling occur simultaneously.
What is the blue insulation color on the BS-32-8-NB used for, and does it affect electrical performance?
The blue polyamide (nylon) insulation on the BS-32-8-NB serves as a visual identification marker in multi-terminal harnesses and conforms to IEC 60757 color-coding conventions, where blue typically indicates neutral or return paths in European automotive and industrial standards. Electrically, the nylon insulation provides dielectric protection and prevents accidental contact between the spade terminal and adjacent conductors or ground planes; it does not contribute to or limit the current-carrying capacity of the BS-32-8-NB. The insulation is rated Moisture Sensitivity Level (MSL) 1, meaning it is stable across unlimited moisture exposure and requires no special storage or handling.
Can I substitute the BS-32-8-NB with the listed alternative PNF14-8F-C, and what design differences should I verify?
The BS-32-8-NB and PNF14-8F-C are mechanically and electrically interchangeable for the #8 stud and 14–16 AWG wire range, but substitution requires confirmation of terminal length, tongue opening dimensions, and contact resistance specifications. While both terminals accept the same wire gauge and stud size, the PNF14-8F-C may have different crimp barrel geometry or insulation material properties that affect ease of installation or long-term creep under continuous load. Before adopting PNF14-8F-C as a replacement for BS-32-8-NB in production, validate crimp force requirements, pull-test performance, and thermal cycling behavior in your specific harness assembly process. Distributor cross-reference documentation should be consulted to confirm dimensional and electrical parity.
What crimping tool specifications are required to form a reliable connection with the BS-32-8-NB, and what happens if the crimp force is too low or too high?
The BS-32-8-NB requires a crimp tool rated for 14–16 AWG spade terminals with a die cavity matched to the barrel geometry and stud size. Undercrimping—producing insufficient radial compression—results in a loose connection with high contact resistance, eventually leading to arcing and terminal failure under load; the connection may also pull free from the stud under mechanical stress. Overcrimping deforms the insulation sleeve, creates stress concentration points in the barrel, and may fracture the conductor strands inside the crimp, reducing tensile strength and promoting fatigue cracking. The BS-32-8-NB achieves optimal performance when crimped within the tool manufacturer's specified force range, typically verified by a pull test that confirms the terminal does not slip on the conductor at 20–30 pounds of axial load.
Is the BS-32-8-NB suitable for high-frequency or signal applications, or is it designed only for power distribution?
The BS-32-8-NB is a general-purpose power and signal terminal not specifically optimized for high-frequency (RF or microwave) applications. At audio and low-frequency signal levels (<100 kHz), the BS-32-8-NB performs adequately as a connector between distribution nodes and loads. However, the large #8 stud and unshielded nylon insulation make the BS-32-8-NB unsuitable for shielded twisted-pair signal circuits or impedance-controlled transmission lines where reflection and crosstalk must be minimized. For mixed-signal applications combining low-voltage control signals and higher-current power paths, designers often use the BS-32-8-NB only for power distribution legs while routing signal wiring through smaller-gauge, individually shielded terminals.
How does the RoHS3 compliance status of the BS-32-8-NB affect procurement and supply chain decisions?
The BS-32-8-NB is ROHS3 compliant, confirming that the terminal and its materials meet the European Union's Restriction of Hazardous Substances Directive (2011/65/EU as amended). This means the BS-32-8-NB contains no lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers above permitted thresholds. Designers and manufacturers targeting EU markets, or global supply chains with RoHS requirements, can source the BS-32-8-NB without material substitution or reformulation delays. For legacy systems or non-EU applications without RoHS mandates, the ROHS3 status of the BS-32-8-NB is a compliance benefit but not a functional differentiator; performance and reliability remain unchanged.
What contact material and finish does the BS-32-8-NB use, and how does this influence contact resistance and corrosion resistance over time?
The detailed specifications provided do not explicitly list the contact material or plating finish for the BS-32-8-NB. However, 3M's standard spade terminals in this product class typically employ copper-based alloy studs with tin or nickel plating to resist corrosion and provide stable contact resistance. Without manufacturer confirmation of the exact finish on the BS-32-8-NB, designers should request material data sheets or contact 3M directly if the terminal will be exposed to salt spray, high humidity, or corrosive industrial environments. Contact resistance on the BS-32-8-NB is primarily determined by crimp quality and mating pressure; a properly formed crimp typically yields <50 milliohms at the spade-to-stud junction.
Does the BS-32-8-NB require any specific assembly or installation sequence when building multi-terminal harnesses?
The BS-32-8-NB is a free-hanging, in-line terminal with no integral locking features or keying, so installation sequence is flexible as long as each conductor is crimped individually and inspected before routing. When assembling multi-terminal harnesses that include the BS-32-8-NB alongside other terminal types, crimp all BS-32-8-NB connections before positioning the harness on the substrate or mounting it to connectors; this prevents mechanical stress on partially seated terminals during assembly. The blue nylon insulation of the BS-32-8-NB can be softened by exposure to heat above approximately 80°C; keep the terminal clear of soldering irons or heat guns during adjacent operations. Some manufacturers recommend a light mechanical tug on each BS-32-8-NB terminal post-crimp to verify the connection before final harness routing.
What ambient temperature and thermal cycling limits apply to the BS-32-8-NB, and how do these affect long-term reliability in harsh environments?
The BS-32-8-NB polyamide (nylon) insulation is stable across wide temperature ranges, typically –40°C to +105°C continuous operation and excursions to +130°C brief exposure, consistent with automotive and industrial standards. Thermal cycling—repeated transitions between temperature extremes—stresses the crimp connection through differential expansion of the copper barrel, wire, and insulation material; the BS-32-8-NB withstands hundreds of –40°C to +85°C cycles without contact resistance degradation if the crimp is properly formed. In applications with sustained high temperature (>100°C continuous), monitor contact resistance annually or per maintenance intervals to detect early signs of creep or oxidation. The BS-32-8-NB is not recommended for cryogenic (<–55°C) or extreme high-temperature (>150°C continuous) environments; alternative materials such as PTFE insulation or ceramic studs are required in those niches.
How does the MSL (Moisture Sensitivity Level) 1 rating on the BS-32-8-NB affect storage, handling, and shelf life?
The BS-32-8-NB carries MSL 1, the lowest moisture sensitivity classification, meaning the terminal is not hygroscopic and requires no special dry-storage conditions, desiccant packaging, or time-limited shelf life. Unlike electronic components with MSL 2–5 ratings that must be stored in sealed bags with silica gel and subjected to bake-out cycles before assembly, the BS-32-8-NB can be stored in standard warehouse conditions—ambient humidity 30–80% and room temperature—indefinitely without degradation. This simplifies supply chain logistics for the BS-32-8-NB, reduces handling costs, and eliminates risk of moisture-induced terminal failure due to improper storage.
What pull-test or tensile-strength performance should I expect from a properly crimped BS-32-8-NB, and how does this compare to industry standards?
A properly crimped BS-32-8-NB terminal on 14 AWG copper wire should achieve a minimum pull-test strength of approximately 20–30 pounds (90–130 newtons) before the terminal slips on the conductor, per IEC 60512 or equivalent automotive terminal standards. This performance is achieved when the crimp force, wire preparation, and barrel geometry are optimized; undersized or improperly formed crimps on the BS-32-8-NB typically fail at 10–15 pounds. For 16 AWG wire, the BS-32-8-NB may achieve slightly lower pull strength due to reduced conductor cross-section and strand count. Designers using the BS-32-8-NB in vibration-prone applications or high-cycle mechanical assemblies should plan pull-test validation in the design-verification phase to confirm that crimping equipment and operator technique produce consistent, reproducible results.
Can the BS-32-8-NB be used in applications with DC, AC, or mixed-signal loads, and are there frequency or current limitations?
The BS-32-8-NB is rated for general-purpose DC and AC circuits and carries no frequency restrictions; it performs equally well in 50/60 Hz industrial AC power distribution and DC automotive or telecom applications. At 14–16 AWG and #8 stud size, the BS-32-8-NB is suitable for continuous currents up to approximately 15–20 amperes (DC or RMS AC), with temperature rise and ambient conditions determining exact ratings. For AC applications, skin effect at power frequencies (50/60 Hz) is negligible at the BS-32-8-NB's conductor size, so DC and AC current-carrying capacity is equivalent. The BS-32-8-NB should not be applied to frequencies above ~10 MHz or RF circuits without confirmation from 3M, as the terminal geometry and insulation may not control impedance or crosstalk in high-frequency environments.
What quality assurance or traceability information is available for the BS-32-8-NB, and how can I verify terminal authenticity and batch compliance?
The BS-32-8-NB is manufactured by 3M and carries EAR99 export classification and HTSUS tariff code 8536.90.4000, confirming its status as a standard commercial electronic component subject to normal import/export compliance. Batch traceability and quality certificates are typically available through authorized 3M distributors; procurement specifications should require Certificate of Conformance (CoC) or test reports confirming ROHS3 status and crimp-barrel dimensional compliance. When sourcing the BS-32-8-NB through secondary or gray-market distributors, request photo documentation of 3M packaging and lot codes to guard against counterfeit or salvaged stock. 3M's direct technical support can verify batch dates and performance specifications if disputes arise regarding BS-32-8-NB quality or non-conformance in production.

Parts with Similar Specifications

The three parts on the right have similar specifications to 3M BS-32-8-NB

Product Attribute BS-32-6S-NB BS-32-6-NB BS-32-8-P BS-32-8-W
Part Number BS-32-6S-NB BS-32-6-NB BS-32-8-P BS-32-8-W
Manufacturer 3M 3M 3M 3M
Tongue Inside Opening - - - -
Length - Ring Center to Termination - - - -
Stud/Tab Size - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Wire Gauge - - - -
Length - Overall - - - -
Insulation - - - -
Width - Outer Edges - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Mounting Type - Surface Mount Through Hole Surface Mount
Contact Material - - - -
Insulation Diameter - - - -
Termination - - - -
Material - Insulation - - - -
Series - - - -
Terminal Type - - - -
Length - Termination - - - -
Color - - - -
Features - - - Simultaneous Sampling
Contact Finish - - - -

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BS-32-8-NB Image

BS-32-8-NB

3M
98D-BS-32-8-NB

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