PT4801C [Rochester]

Name: PT4801C
Brand: Rochester
SKU: PT4801C
Availability: InStock

Part No:

PT4801C

Category:

DC/DC Converters

Manufacturer:

Rochester

Description:

The PT4801 Excalibur™ module is an isolated triple-output DC/DC converter that provides +15V, +3.3V, and +1.5V power supply voltages from a standard (-48V) telecom central office (CO) supply.

Datasheet:

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Specification

Type

Parameter

Case Temperature

+100°C

Efficiency

81%

Input Voltage

36V ~ 75V

Input Voltage Surge Max

80V

Isolation Voltage

1500 VDC

Operating Temperature

-40°C ~ +85°C

Output Current Total Max

6.0A

Output Current Vo1 Max

1.25A

Output Current Vo2 Max

3.0A

Output Current Vo3 Max

2.0A

Output Power Total Max

25W

Output Voltage Vo1 Max

15.75V

Output Voltage Vo1 Min

15.0V

Output Voltage Vo2 Max

3.35V

Output Voltage Vo2 Min

3.25V

Output Voltage Vo3 Max

1.55V

Output Voltage Vo3 Min

1.45V

Over Temperature Protection

+125°C

Package

Vertical (N), Horizontal (A), SMD (C)

Ripple Vo1 Max

150 mVpp

Ripple Vo2 Max

50 mVpp

Ripple Vo3 Max

50 mVpp

RoHS Status

Non-RoHS Compliant

Storage Temperature

-40°C ~ +125°C

Switching Frequency

550kHz ~ 750kHz

Weight

50 grams

Products Detail

The PT4801 is a 25-W triple-output isolated DC/DC converter designed for DSL applications. It provides independently regulated outputs of +15V, +3.3V, and +1.5V from a 36V to 75V input range. The module features 1500VDC isolation, on/off standby control, current limit, short circuit protection on all outputs, fixed frequency operation, over-temperature shutdown, and under-voltage lockout. It comes in a space-saving solderable copper case that occupies only 1.6 sq. in. PCB area (vertical configuration) and meets safety agency approvals including UL 60950, CSA C22.2 60950, and VDE EN60950.

Key Features

DSL Triple Outputs: +15V, +3.3V, +1.5V (Independently Regulated)
Input Voltage Range: 36V to 75V
1500VDC Isolation
On/Off Standby Control
Current Limit
Short Circuit Protection (All Outputs)
Fixed Frequency Operation
Over-Temperature Shutdown
Under-Voltage Lockout
Space Saving Package: 1.6 sq. in. PCB Area (suffix N)
Solderable Copper Case
Safety Agency Approvals: UL 60950, CSA C22.2 60950, VDE EN60950

Application scenarios

DSL line cards
ADSL
mixed signal circuitry

Documents

Datasheets:

PT4801 PT4801C-Texas-Instruments-datasheet-12292.pdf PT4801C-Texas-Instruments-datasheet-116661.pdf PT4801C-Texas-Instruments-datasheet-11555104.pdf

Product FAQ

1. Is PT4801C available for RFQ?

Yes. PT4801C by Rochester is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for PT4801C?

Pricing for PT4801C can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of PT4801C?

PT4801C is a Rochester DC/DC Converters with Over Temperature Protection: +125°C and Output Current Total Max: 6.0A. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for PT4801C?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can PT4801C be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to PT4801C?

Yes. If PT4801C is unavailable, obsolete, or does not meet your required lead time, we can help check similar Rochester DC/DC Converters parts or compatible alternatives.

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