Mfr Part #:

PYBE20-Q48-S9-T

Mfr Name: CUI Inc.

The CUI Inc. PYBE20-Q48-S9-T is a 20W DC-DC converter with a 48V input and 9V output. It offers 1500V isolation and operates across a wide temperature range.

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$ Price Range: $0.99

PYBE20-Q48-S9-T Specifications Quick View

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Category	DC DC Converters
Manufacturer Name	CUI Inc.
Applications	ITE (Commercial)
Approval Agency	CE, cURus
Current	5000mA
Current (@ 12 Vdc output)	1667mA
Current (@ 15 Vdc output)	1333mA
Current (@ 24 Vdc output)	834mA
Current (@ 48 Vdc input, 12 Vdc output)	1667mA
Current (@ 48 Vdc input, 15 Vdc output)	1333mA
Current (@ 48 Vdc input, 24 Vdc output)	834mA
Current (@ 48 Vdc input, 5 Vdc output)	4000mA
Current (@ 48 Vdc input, 9 Vdc output)	2222mA
Current (@ 48 Vdc input, Dual outputs ±12 Vdc)	±834mA
Current (@ 48 Vdc input, Dual outputs ±15 Vdc)	±667mA
Current (@ 48 Vdc input, Dual outputs ±5 Vdc)	±2000mA
Current (@ 5 Vdc output)	4000mA
Current (@ 9 Vdc output)	2222mA
Current (@ Dual outputs ±12 Vdc)	±834mA
Current (@ Dual outputs ±15 Vdc)	±667mA
Current (@ Dual outputs ±5 Vdc)	±2000mA
Current (@ Dual outputs ±9 Vdc)	±1111mA
Efficiency	86%
Efficiency (Typical @ 12 Vdc output, typical)	89%
Efficiency (Typical @ 15 Vdc output, typical)	90%
Efficiency (Typical @ 24 Vdc output, typical)	90%
Efficiency (Typical @ 48 Vdc input, 12 Vdc output, typical)	87%
Efficiency (Typical @ 48 Vdc input, 15 Vdc output, typical)	90%
Efficiency (Typical @ 48 Vdc input, 24 Vdc output, typical)	88%
Efficiency (Typical @ 48 Vdc input, 3.3 Vdc output, typical)	86%
Efficiency (Typical @ 48 Vdc input, 5 Vdc output, typical)	86%
Efficiency (Typical @ 48 Vdc input, 9 Vdc output, typical)	89%
Efficiency (Typical @ 48 Vdc input, Dual outputs ±12 Vdc, typical)	88%
Efficiency (Typical @ 48 Vdc input, Dual outputs ±15 Vdc, typical)	89%
Efficiency (Typical @ 48 Vdc input, Dual outputs ±5 Vdc, typical)	86%
Efficiency (Typical @ 5 Vdc output, typical)	88%
Efficiency (Typical @ 9 Vdc output, typical)	89%
Efficiency (Typical @ Dual outputs ±12 Vdc, typical)	88%
Efficiency (Typical @ Dual outputs ±15 Vdc, typical)	89%
Efficiency (Typical @ Dual outputs ±5 Vdc, typical)	86%
Efficiency (Typical @ Dual outputs ±9 Vdc, typical)	88%
Efficiency (Typical @ Typical)	89%
Height	21.2mm (0.83")
Input Current when Switched Off	7mA
Length	76.0mm (2.99")
Mounting Type	Chassis Mount
No Load Power Consumption	0.15W
Number of Outputs	1
Operating Temperature	-40°C ~ 85°C (With Derating)
Output Voltage (Nominal @ 12 Vdc output)	12 Vdc
Output Voltage (Nominal @ 15 Vdc output)	15 Vdc
Output Voltage (Nominal @ 24 Vdc output)	24 Vdc
Output Voltage (Nominal @ 3.3 Vdc output)	3.3 Vdc
Output Voltage (Nominal @ 48 Vdc input, 12 Vdc output)	12 Vdc
Output Voltage (Nominal @ 48 Vdc input, 15 Vdc output)	15 Vdc
Output Voltage (Nominal @ 48 Vdc input, 24 Vdc output)	24 Vdc
Output Voltage (Nominal @ 48 Vdc input, 3.3 Vdc output)	3.3 Vdc
Output Voltage (Nominal @ 48 Vdc input, 5 Vdc output)	5 Vdc
Output Voltage (Nominal @ 48 Vdc input, 9 Vdc output)	9 Vdc
Output Voltage (Nominal @ 48 Vdc input, Dual outputs ±12 Vdc)	±12 Vdc
Output Voltage (Nominal @ 48 Vdc input, Dual outputs ±15 Vdc)	±15 Vdc
Output Voltage (Nominal @ 48 Vdc input, Dual outputs ±5 Vdc)	±5 Vdc
Output Voltage (Nominal @ 5 Vdc output)	5 Vdc
Output Voltage (Nominal @ 9 Vdc output)	9 Vdc
Output Voltage (Nominal @ Dual outputs ±12 Vdc)	±12 Vdc
Output Voltage (Nominal @ Dual outputs ±15 Vdc)	±15 Vdc
Output Voltage (Nominal @ Dual outputs ±5 Vdc)	±5 Vdc
Output Voltage (Nominal @ Dual outputs ±9 Vdc)	±9 Vdc
Power (@ 12 Vdc output)	20W
Power (@ 15 Vdc output)	20W
Power (@ 24 Vdc output)	20W
Power (@ 3.3 Vdc output)	16.5W
Power (@ 48 Vdc input, 12 Vdc output)	20W
Power (@ 48 Vdc input, 15 Vdc output)	20W
Power (@ 48 Vdc input, 24 Vdc output)	20W
Power (@ 48 Vdc input, 3.3 Vdc output)	16.5W
Power (@ 48 Vdc input, 5 Vdc output)	20W
Power (@ 48 Vdc input, 9 Vdc output)	20W
Power (@ 48 Vdc input, Dual outputs ±12 Vdc)	20W
Power (@ 48 Vdc input, Dual outputs ±15 Vdc)	20W
Power (@ 48 Vdc input, Dual outputs ±5 Vdc)	20W
Power (@ 5 Vdc output)	20W
Power (@ 9 Vdc output)	20W
Power (@ Dual outputs ±12 Vdc)	20W
Power (@ Dual outputs ±15 Vdc)	20W
Power (@ Dual outputs ±5 Vdc)	20W
Power (@ Dual outputs ±9 Vdc)	20W
Power (Watts)	20W
Storage Temperature	°C ~ °C
Tape & Reel	No
Type	Enclosed
Voltage	1.5 kV
Width	31.5mm (1.24")
current (@ 24 Vdc input models, 3.3 Vdc output models)	818mA
current (@ 24 Vdc input models, 5 Vdc output models)	993mA
current (@ 24 Vdc input models, all other models)	969mA
current (@ 48 Vdc input models, 3.3 Vdc output models)	409mA
current (@ 48 Vdc input models, 5 Vdc output models)	497mA
current (@ 48 Vdc input models, all other models)	485mA
current (@ 48 Vdc input, 3.3 Vdc output)	5000mA
input voltage (@ 24 Vdc input models)	9~36 Vdc
input voltage (@ 48 Vdc input models)	18~75 Vdc
input voltage (Nominal @ 24 Vdc input models)	24 Vdc
input voltage (Nominal @ 48 Vdc input models)	48 Vdc
ripple & noise1 (@ 12 Vdc output)	100mVp-p
ripple & noise1 (@ 15 Vdc output)	100mVp-p
ripple & noise1 (@ 24 Vdc output)	100mVp-p
ripple & noise1 (@ 3.3 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, 12 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, 15 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, 24 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, 3.3 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, 5 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, 9 Vdc output)	100mVp-p
ripple & noise1 (@ 48 Vdc input, Dual outputs ±12 Vdc)	100mVp-p
ripple & noise1 (@ 48 Vdc input, Dual outputs ±15 Vdc)	100mVp-p
ripple & noise1 (@ 48 Vdc input, Dual outputs ±5 Vdc)	100mVp-p
ripple & noise1 (@ 5 Vdc output)	100mVp-p
ripple & noise1 (@ 9 Vdc output)	100mVp-p
ripple & noise1 (@ Dual outputs ±12 Vdc)	100mVp-p
ripple & noise1 (@ Dual outputs ±15 Vdc)	100mVp-p
ripple & noise1 (@ Dual outputs ±5 Vdc)	100mVp-p
ripple & noise1 (@ Dual outputs ±9 Vdc)	100mVp-p
start-up voltage (@ 24 Vdc input models)	9 Vdc
start-up voltage (@ 48 Vdc input models)	18 Vdc
surge voltage (@ 24 Vdc input models, for maximum of 1 second)	50 Vdc
surge voltage (@ 48 Vdc input models, for maximum of 1 second)	100 Vdc
under voltage shutdown (@ 24 Vdc input models)	5.5 Vdc
under voltage shutdown (@ 48 Vdc input models)	12 Vdc

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PYBE20-Q48-S9-T Description

Short technical summary and product information.

The CUI Inc. PYBE20-Q48-S9-T is an enclosed DC-DC converter designed for ITE (Commercial) applications. It features a 4:1 input voltage range, supporting 18-75 Vdc for 48V nominal input models, and provides a regulated 9Vdc output at up to 20W of power.

Key electrical specifications include an efficiency of up to 89% and 1500 Vdc isolation. The converter is protected with continuous short circuit protection. It operates reliably within an extended temperature range of -40°C to +85°C, with derating as specified.

This model is chassis mountable and offers an industry-standard pin-out. Its dimensions are 76.0mm in length, 31.5mm in width, and 21.2mm in height. The PYBE20 series is designed to meet EN/BS EN 62368-1 standards.

PYBE20-Q48-S9-T Quick Information

Product Type: DC-DC Converter

Series: PYBE20

Canonical Name: CUI Inc. PYBE20 Series DC-DC Converter

Subcategory: DC-DC Converters

PYBE20-Q48-S9-T Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

PYBE20-Q48-S9-T Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

PYBE20-Q48-S9-T Features

Up to 20W isolated output power.
Wide 4:1 input voltage range.
1500 Vdc isolation voltage.
Continuous short circuit protection.
Operating temperature range: -40°C to +85°C.

PYBE20-Q48-S9-T Applications

Suitable for industrial control systems.
Used in medical equipment power supplies.
Ideal for communication infrastructure devices.
Applicable in portable electronic devices.
Suitable for off-grid solar power systems.

PYBE20-Q48-S9-T FAQs

7 frequently asked questions generated from this part’s specifications.

What is the input voltage range for the CUI Inc. PYBE20-Q48-S9-T DC-DC converter?

The input voltage range for 48 Vdc input models is 18~75 Vdc.

What is the output voltage and current for the PYBE20-Q48-S9-T?

This model provides a 9 Vdc output voltage with a maximum output current of 2222 mA.

What is the maximum power output of the PYBE20-Q48-S9-T?

The maximum power output for this DC-DC converter is 20W.

What is the efficiency of the CUI Inc. PYBE20-Q48-S9-T?

The typical efficiency for the PYBE20-Q48-S9-T is 89%.

What is the isolation voltage provided by the PYBE20-Q48-S9-T?

The converter offers 1500 Vdc isolation.

What is the operating temperature range for this DC-DC converter?

The operating temperature range is -40°C to +85°C, with derating.

What are the dimensions of the PYBE20-Q48-S9-T?

The dimensions are 76.0mm in length, 31.5mm in width, and 21.2mm in height.

PYBE20-Q48-S9-T

PYBE20-Q48-S9-T Specifications Quick View

PYBE20-Q48-S9-T Description

PYBE20-Q48-S9-T Quick Information

PYBE20-Q48-S9-T Compliance

PYBE20-Q48-S9-T Estimated Pricing

PYBE20-Q48-S9-T Features

PYBE20-Q48-S9-T Applications

PYBE20-Q48-S9-T FAQs

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