LP16-700B6 Equivalent & Substitute Parts

Part Overview

The LP16-700B6 is a 12VA semi-toroidal power transformer manufactured by Pulse Electronics, designed for through-hole mounting applications. This transformer features dual primary and secondary windings, delivering configurable output in parallel (8V, 1.4A) or series (16V, 700mA) modes. The component is actively produced and maintains RoHS compliance with 1500Vrms isolation rating. Substitute parts are identified to provide equivalent electrical and mechanical performance for applications requiring alternative sourcing or inventory management.

Key Parameters

Parameter	Specification
Power Rating	12VA
Type	Semi-Toroidal
Primary Winding(s)	Dual
Secondary Winding(s)	Dual
Secondary Output - Parallel	8V, 1.4A
Secondary Output - Series	16V, 700mA
Mounting Type	Through Hole
Termination Style	PC Pin
Voltage Isolation	1500Vrms
Physical Dimensions	64.60mm L × 50.80mm W × 27.05mm H (max seated)
Weight	0.688 lb (312.07 g)
RoHS Status	RoHS Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the LP16-700B6 is determined by strict equivalence across the following critical parameters:

Power rating: 12VA
Transformer type: Semi-toroidal
Secondary output configuration: Dual windings with parallel (8V, 1.4A) and series (16V, 700mA) capability
Mounting method: Through-hole with PC pin termination
Voltage isolation: 1500Vrms minimum
Physical envelope: 64.60mm L × 50.80mm W, height ≤27.10mm
Winding configuration: Dual primary, dual secondary

The substitute part LP-16-700 (Signal Transformer) meets all specified electrical and mechanical parameters, enabling direct functional replacement in applications currently utilizing the LP16-700B6.

Parameter Comparison

Parameter	LP16-700B6 (Pulse Electronics)	LP-16-700 (Signal Transformer)	Match Status
Power - Max	12VA	12VA	Equivalent
Type	Semi-Toroidal	Semi-Toroidal	Equivalent
Primary Winding(s)	Dual	Dual	Equivalent
Secondary Winding(s)	Dual	Dual	Equivalent
Voltage - Secondary (Parallel)	8V	8V	Equivalent
Voltage - Secondary (Series)	16V	16V	Equivalent
Current - Output (Parallel)	1.4A	1.4A	Equivalent
Current - Output (Series)	700mA	700mA	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Termination Style	PC Pin	PC Pin	Equivalent
Size / Dimension	64.60mm L × 50.80mm W	64.60mm L × 50.80mm W	Equivalent
Height - Seated (Max)	27.05mm	27.10mm	Equivalent
Voltage - Isolation	1500Vrms	1500Vrms	Equivalent
Weight	0.688 lb (312.07 g)	0.688 lb (312.07 g)	Equivalent
RoHS Status	RoHS Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
ECCN	EAR99	EAR99	Equivalent
HTSUS	8504.31.4035	8504.31.4035	Equivalent

Engineering Selection Recommendations

Both the LP16-700B6 and LP-16-700 are active production components with full regulatory compliance. The LP16-700B6 carries RoHS Compliant status with MSL 1 (unlimited moisture sensitivity), while the LP-16-700 carries ROHS3 Compliant status. Both maintain REACH Unaffected and EAR99 export classification status.

Selection between these parts should be based on:

Manufacturer availability and lead time requirements
Packaging format preference (LP16-700B6 supplied in standard packaging; LP-16-700 supplied in bulk)
Inventory stock levels (LP16-700B6: 907 pcs; LP-16-700: 928 pcs available)
Compliance documentation requirements specific to end application

Both transformers are electrically and mechanically interchangeable for through-hole PCB mounting applications requiring 12VA semi-toroidal power transformation with dual winding configuration.

Frequently Asked Questions (FAQ)

Q: Can the LP-16-700 directly replace the LP16-700B6 in existing designs?

A: Yes. Both transformers are electrically and mechanically equivalent across all critical parameters: 12VA power rating, semi-toroidal type, dual primary/secondary windings, identical secondary output configurations (8V/1.4A parallel, 16V/700mA series), through-hole mounting with PC pin termination, 1500Vrms isolation, and matching physical dimensions. PCB layout and connector compatibility require no modification.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution is determined by equivalence in power rating (12VA), transformer type (semi-toroidal), winding configuration (dual primary, dual secondary), secondary voltage/current outputs (8V/1.4A parallel and 16V/700mA series), mounting method (through-hole), termination style (PC pin), isolation voltage (1500Vrms), and physical envelope (64.60mm L × 50.80mm W, height ≤27.10mm).

Q: Are there differences in RoHS compliance between these parts?

A: The LP16-700B6 is RoHS Compliant, while the LP-16-700 is ROHS3 Compliant. Both meet current regulatory requirements. ROHS3 represents the current RoHS directive iteration. Both parts maintain REACH Unaffected status.

Q: What packaging formats are available?

A: The LP16-700B6 is supplied in standard packaging. The LP-16-700 is supplied in bulk packaging. Packaging format selection depends on order quantity and inventory management requirements.

Q: Are the physical dimensions identical?

A: Dimensions are equivalent. Both transformers measure 64.60mm L × 50.80mm W. Maximum seated height is 27.05mm for the LP16-700B6 and 27.10mm for the LP-16-700, representing a 0.05mm difference within acceptable PCB mounting tolerance.

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

A: The LP16-700B6 carries MSL 1 (unlimited moisture sensitivity), indicating no moisture sensitivity restrictions. The LP-16-700 lists MSL as Not Applicable, also indicating no moisture-related handling constraints.

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