# 87421A Keysight DC Power Supply New

**Features:**

-   Designed for Keysight microwave system amplifiers (83006A, 83017A, 83018A, 83050A, 83051A, or 87415A)
-   2-meter bias cable for remote placement
-   Compact size for easy system integration
-   DC Output Voltage/Current
-   +12 V at 2.0 A, -12 V at 200 mA
-   Output Power: 25 W, maximum

The Keysight 87421A universal input, DC switching power supply provides bias voltages to operate Keysight microwave system amplifiers. Integrate these compact power supplies into a system or use standalone on the bench. The 87421A may also be used to supply bias voltages to the Keysight 83440C high speed lightwave converter with the Keysight 83440-60009 lightwave converter power supply adapter.

## Details

- **Price:** 1255.0 USD
- **Vendor:** Keysight
- **Type:** DC SUPPLY
- **Tags:** product_manual_group_3

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1255.00 USD | In stock |

## Images

- 87421A Keysight Technologies DC Power Supply

---

> Source: [ValueTronics](https://valuetronics.com/products/87421a-keysight-dc-power-supply-new)
> Updated: 2026-05-29