TML 15215 Equivalent & Substitute Parts

Part Overview

The TML 15215 is an enclosed AC/DC converter rated for 15W power output with dual ±15V outputs. This component is designed for commercial ITE (Information Technology Equipment) applications requiring universal input voltage capability across 90–264 VAC and 85–370 VDC ranges. The TML 15215 is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing procurement and system integration. Substitute parts must maintain electrical compatibility while meeting current product availability and compliance requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	TML 15215
Manufacturer	Traco Power
Series	TML
Product Status	Obsolete
Power Rating	15 W
Number of Outputs	2
Output Voltage	±15V
Output Current (Max)	500mA per output
Input Voltage Range	90–264 VAC, 85–370 VDC
Mounting Type	Through Hole
Package Type	8-DIP Module, 6 Leads
Operating Temperature	−25°C to +60°C
Efficiency	80%
Approvals	CE, cURus
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the TML 15215 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Dual output configuration with ±15V output voltage specification
Minimum output current capacity of 500mA per output
Input voltage range compatibility with 90–264 VAC and 85–370 VDC
Power rating of 15W or greater

Mechanical Compatibility Requirements:

Through-hole mounting type
Package form factor compatible with 8-DIP or equivalent module footprint
Physical dimensions within acceptable tolerance for board integration

Compliance Requirements:

ROHS3 compliance
Active product status for ongoing availability
Regulatory approvals (CE, cURus, or equivalent)

Two substitute parts meet these criteria: the TML 20215 (higher power variant within the same TML series) and the TMP 15215 (equivalent power rating in the active TMP series).

Parameter Comparison

Parameter	TML 15215 (Main)	TML 20215 (Substitute)	TMP 15215 (Substitute)
Manufacturer	Traco Power	Traco Power	Traco Power
Product Status	Obsolete	Active	Active
Series	TML	TML (20W)	TMP (15W)
Power Rating (W)	15	20	15
Number of Outputs	2	2	2
Output Voltage	±15V	±15V	±15V
Output Current (Max)	500mA, 500mA	667mA, 667mA	500mA, 500mA
Input Voltage (VAC)	90–264	90–264	85–264
Input Voltage (VDC)	85–370	100–375	120–370
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	8-DIP Module, 6 Leads	8-DIP Module, 6 Leads	7-DIP Module, 5 Leads
Size (mm)	74.0 × 54.0 × 22.0	69.5 × 47.5 × 21.7	74.0 × 54.0 × 19.5
Operating Temperature	−25°C to +60°C	−25°C to +70°C	−25°C to +70°C
Efficiency	80%	84%	79%
Approvals	CE, cURus	CB, CE, cURus	CB, CE, cULus, cURus
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

TML 20215 Substitution: The TML 20215 is a direct series upgrade within the Traco Power TML family. It maintains identical output voltage specification (±15V) and exceeds the output current requirement (667mA versus 500mA per output). The TML 20215 provides increased power capacity (20W versus 15W), expanded input voltage range on the DC side (100–375 VDC), and improved thermal performance (−25°C to +70°C operating range). The TML 20215 is active product status with enhanced regulatory approvals (CB certification added). Physical dimensions are slightly reduced, which may require board layout verification. This substitution is suitable for applications where increased current headroom and thermal margin are beneficial.

TMP 15215 Substitution: The TMP 15215 is an equivalent-power alternative from the active TMP series. It maintains identical power rating (15W), output voltage (±15V), and output current specification (500mA per output). The TMP 15215 is active product status with comprehensive regulatory approvals (CB, CE, cULus, cURus). The package configuration differs: 7-DIP Module with 5 leads versus 8-DIP Module with 6 leads. This package difference requires PCB footprint verification before implementation. The TMP 15215 offers extended operating temperature range (−25°C to +70°C) and includes line and load regulation specifications (1%, 3% line regulation; ±1% load regulation). This substitution is suitable for applications requiring equivalent electrical performance with active product availability and comprehensive certifications.

Selection Criteria:

For applications requiring higher current capacity and thermal margin: TML 20215
For applications requiring equivalent electrical performance with comprehensive certifications: TMP 15215
Both substitutes are active products with ROHS3 compliance and full regulatory approvals
Package footprint compatibility must be verified for each candidate before final selection

Frequently Asked Questions (FAQ)

Q: Can the TML 20215 be used as a direct replacement for the TML 15215?

A: The TML 20215 provides electrical compatibility with enhanced specifications. Output voltage (±15V) and output current (667mA, exceeding the 500mA requirement) are compatible. However, the physical dimensions are reduced (69.5 × 47.5 × 21.7 mm versus 74.0 × 54.0 × 22.0 mm), requiring board layout verification. The TML 20215 is suitable for applications where increased power capacity is acceptable.

Q: What is the primary difference between the TML 20215 and TMP 15215 substitutes?

A: The TML 20215 is a higher-power variant (20W) within the same TML series with increased output current (667mA). The TMP 15215 is an equivalent-power alternative (15W) from the TMP series with identical output current (500mA). The TMP 15215 uses a different package configuration (7-DIP, 5 leads versus 8-DIP, 6 leads), requiring footprint verification. The TML 20215 offers higher current capacity; the TMP 15215 offers equivalent electrical performance with comprehensive certifications.

Q: Is the package difference between TML 15215 and TMP 15215 a compatibility issue?

A: Yes. The TML 15215 uses an 8-DIP Module with 6 leads; the TMP 15215 uses a 7-DIP Module with 5 leads. These are different package configurations requiring different PCB footprints. Board layout and pinout verification is mandatory before substitution.

Q: Do both substitute parts meet the same regulatory approvals as the TML 15215?

A: The TML 15215 holds CE and cURus approvals. The TML 20215 adds CB certification (CE, CB, cURus). The TMP 15215 provides the most comprehensive approval set (CB, CE, cULus, cURus). Both substitutes exceed the original approval requirements and maintain ROHS3 compliance.

Q: What is the impact of the operating temperature range difference?

A: The TML 15215 operates from −25°C to +60°C. Both substitutes extend the upper limit to +70°C. This provides additional thermal margin in applications approaching the original temperature limit. Applications operating within the original −25°C to +60°C range are unaffected by this specification difference.

Q: Can the TML 20215 be used in applications with strict current limitations?

A: The TML 20215 provides higher output current (667mA per output) than the TML 15215 (500mA per output). In applications with strict current limitations, the TML 20215 may exceed design requirements. The TMP 15215 maintains identical output current specification (500mA) and is the appropriate choice for current-limited applications.

Q: Are there any input voltage range considerations for substitution?

A: The TML 15215 accepts 90–264 VAC and 85–370 VDC. The TML 20215 accepts 90–264 VAC and 100–375 VDC (narrower DC minimum, wider DC maximum). The TMP 15215 accepts 85–264 VAC and 120–370 VDC (narrower VAC minimum, narrower DC range). Applications requiring the full 85 VAC minimum must use the TMP 15215. Applications requiring 85 VDC minimum must use the TML 15215 or TMP 15215.

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