QH015-5 Equivalent & Substitute Parts Reference

Part Overview

The XP Power QH015-5 is a high voltage, isolated DC-DC converter designed to deliver 150V at up to 8.33mA from a 0.7V to 5V input. It is part of the obsolete XP EMCO - QH (0.5W) series and is supplied in a through-hole 4-DIP module package. Given its product status as obsolete, identifying substitute models is essential for engineering continuity, ongoing production support, and maintenance in environments where the QH015-5 can no longer be sourced.

Key Parameters

Parameter	Value
Manufacturer Part Number	QH015-5
Type	High Voltage - Isolated Module
Number of Outputs	1
Voltage - Input (Min)	0.7V
Voltage - Input (Max)	5V
Voltage - Output 1	150V
Current - Output (Max)	8.33mA
Power (Watts)	1.25 W
Voltage - Isolation	500 V
Operating Temperature	-25°C ~ 70°C
Mounting Type	Through Hole
Package / Case	4-DIP Module
Size / Dimension	0.50" L x 0.50" W x 0.50" H (12.7mm x 12.7mm x 12.7mm)
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is based solely on identical or compatible key parameters that govern mechanical and electrical interchangeability within the high voltage isolated DC-DC converter category. These parameters include number of outputs, input voltage range, output voltage, isolation voltage, mounting type, package/case dimensions, and regulatory compliance (RoHS, MSL).

Parameter Comparison

Parameter	QH015-5 (Original)	Q015-5 (Substitute)
Manufacturer	XP Power	XP Power
Type	High Voltage - Isolated Module	High Voltage - Isolated Module
Number of Outputs	1	1
Voltage - Input (Min)	0.7V	0.7V
Voltage - Input (Max)	5V	5V
Voltage - Output 1	150V	150V
Current - Output (Max)	8.33mA	3.333mA
Power (Watts)	1.25 W	500 mW
Voltage - Isolation	500 V	500 V
Operating Temperature	-25°C ~ 70°C	-25°C ~ 70°C
Mounting Type	Through Hole	Through Hole
Package / Case	4-DIP Module	4-DIP Module
Size / Dimension	0.50" L x 0.50" W x 0.50" H (12.7mm x 12.7mm x 12.7mm)	0.50" L x 0.50" W x 0.50" H (12.7mm x 12.7mm x 12.7mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

QH015-5 is classified as obsolete, while Q015-5 is active and available. Both units are RoHS3 compliant and have an MSL rating of 1 (Unlimited). The Q015-5 meets the same mounting, package, temperature, isolation, and regulatory requirements. Selection should consider output current and power capabilities based on application demand.

Frequently Asked Questions (FAQ)

Q1: What are the essential criteria for substituting the QH015-5 DC-DC converter?
A1: Key criteria include number of outputs, input voltage range, output voltage, isolation voltage, operating temperature, mounting type, package size, and RoHS/MSL compliance.

Q2: Is Q015-5 a direct mechanical replacement for QH015-5?
A2: Q015-5 shares the same package/case (4-DIP module), dimensions, and through-hole mounting method as QH015-5.

Q3: Will Q015-5 meet all electrical performance requirements of QH015-5?
A3: Q015-5 has the same input and output voltage ratings but supports lower maximum output current (3.333mA) and power (500 mW) compared to QH015-5 (8.33mA, 1.25 W).

Q4: Are there any regulatory or compliance differences between QH015-5 and Q015-5?
A4: Both parts are ROHS3 compliant and have the same MSL rating.

Q5: Is there any difference in operating temperature ratings?
A5: Both the QH015-5 and Q015-5 support an operating temperature range of -25°C to 70°C.

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