40 Watt
Single, Dual and Triple Output Regulated, 2:1
Short circuit protection with epoxy
With a convenient, compact size, our epoxy-encapsulated 40 watt single, dual and triple output DC-DC converter features a minimum input/output isolation of 500 Vdc, short circuit protection and six-sided shielding. This design also has 86% efficiency and a minimum switching frequency of 100 KHz.

INPUT
- Input Voltages:
- 12 Vdc: 9 - 18 Vdc
- 24 Vdc: 18 - 36 Vdc
- 48 Vdc: 36 - 72 Vdc
OUTPUT
- Voltage Accuracy: ±1.0%
- Line Regulation: ±0.1%
- Load Regulation: ±0.5%
- Ripple Noise (20 MHz BW): 50 mVp-p max.
- Temperature Coefficient (at FL): ±0.02%/°C max.
- Transient Response, 25% load step: < 250 ms
GENERAL
- Efficiency: 86% max. at FL
- Isolation Voltage
- 500 Vdc min.
- Up to 3000 Vdc min. Optional
- Isolation Resistance: 100 MOhms
- Switching Frequency: 100 KHz typ.
- Protection
- Over Current Protection
- Short Circuit Protection
ENVIRONMENTAL
- Operating ambient temperature:
- Operating Temperature Range: -25 to 71°C
- Storage Temperature Range: -50 to 105°C
- Cooling: Free Air Convection
- EMI/RFI
- Five-Sided Shield
- Six-Sided Shield (optional)
PHYSICAL
- Dimensions: 3.94" x 2.76" x 1.35" (100.0 x 70.0 x 34.4 mm)
Input Voltage Range (Vdc) | Output Voltage (Vdc) | Output Current (mA) | Model Number | Case | |
---|---|---|---|---|---|
Single Output | |||||
12 (9-18) | 5 | 8000 | KW40-12S5 | K | |
12 | 3400 | KW40-12S12 | K | ||
15 | 2700 | KW40-12S15 | K | ||
24 (18-36) | 5 | 8000 | KW40-24S5 | K | |
12 | 3400 | KW40-24S12 | K | ||
15 | 2700 | KW40-24S15 | K | ||
48 (36-72) | 5 | 8000 | KW40-48S5 | K | |
12 | 3400 | KW40-48S12 | K | ||
15 | 2700 | KW40-48S15 | K | ||
Dual Output | |||||
12 (9-18) | ±5 | ±4000 | KW40-12-5 | K | |
±12 | ±1670 | KW40-12-12 | K | ||
±15 | ±1340 | KW40-12-15 | K | ||
24 (18-36) | ±5 | ±4000 | KW40-24-5 | K | |
±12 | ±1670 | KW40-24-12 | K | ||
±15 | ±1340 | KW40-24-15 | K | ||
48 (36-72) | ±5 | ±4000 | KW40-48-5 | K | |
±12 | ±1670 | KW40-48-12 | K | ||
±15 | ±1340 | KW40-48-15 | K | ||
Triple Output | |||||
12 (9-18) | 5 / ±12 | 7000 / ±300 | KW40-12S5-12 | K | |
5 / ±15 | 6200 / ±300 | KW40-12S5-15 | K | ||
+5 / -5 / 12 | +7000 / -300 / 300 | KW40-12S12-5 | K | ||
24 (18-36) | 5 / ±12 | 7000 / ±300 | KW40-24S5-12 | K | |
5 / ±15 | 6200 / ±300 | KW40-24S5-15 | K | ||
+5 / -5 / 12 | +7000 / -300 / 300 | KW40-24S12-5 | K | ||
48 (36-72) | 5 / ±12 | 7000 / ±300 | KW40-48S5-12 | K | |
5 / ±15 | 6200 / ±300 | KW40-48S5-15 | K | ||
+5 / -5 / 12 | +7000 / -300 / 300 | KW40-48S12-5 | K |