TRACOPOWER Switching Regulator, Through Hole, ±9V dc Output Voltage, 10.5 → 27 V dc, 10.5 → 42 V dc Input

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Subtotal (1 tube of 10 units)*

£103.70

(exc. VAT)

£124.44

(inc. VAT)

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  • 999,999,999 unit(s) shipping from 12 February 2026
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Tube(s)
Per Tube
Per unit*
1 - 4£103.70£10.37
5 - 9£100.59£10.059
10 - 24£97.48£9.748
25 - 49£93.33£9.333
50 +£89.18£8.918

*price indicative

RS Stock No.:
166-5635
Mfr. Part No.:
TSRN 1-2490A
Brand:
TRACOPOWER
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Brand

TRACOPOWER

Output Voltage

±9V dc

Output Current

1 A, 300 mA

Input Voltage

10.5 → 27 V dc, 10.5 → 42 V dc

Mounting Type

Through Hole

Number of Outputs

1

Package

SIP

Efficiency

82%, 88%

Ripple And Noise

75mV Pk-Pk

Minimum Temperature

-40°C

Maximum Temperature

+85°C

Line Regulation

±0.2%

Width

7.5mm

Depth

10.2mm

Weight

1.9kg

MTBF

6000000h

Load Regulation

±0.4%

Length

11.7mm

COO (Country of Origin):
TW

Traco 1A SIP Step Down Switching Regulator - TSRN-1 Series


TSRN-1 Series 1A step-down switching regulators with a wide input voltage range of up to 42 Vdc and a high efficiency of up to 95% which allows full load operation without the need for a heatsink or forced air cooling. These TSRN-1 Series 1A step-down switching regulators are suitable for positive and negative output circuits (please refer to table for additional data). Excellent line and load regulation and a low standby current makes these TSRN-1 switching regulators ideal for use in energy sensitive applications.

Input voltage range up to 42 VDC
Built in filter capacitors
No heat-sink required
Over-temperature and short circuit protection
Low standby current: 1 mA for <= 3.3 Vdc output models, 3 mA for >= 5.0 Vdc ouput models
SIP package fits existing TO-220 footprint
Pin compatible with LMxx linear regulators

Note

Part numbers: TSRN 1-xxxx have straight pins
Part numbers: TSRN 1-xxxxA have angular pins
MTBF: MIL-HDBK-217 @ +25°C
Derating: 2.7 %/K above +70°C
For input voltages higher then 36 Vdc an input capacitor 22 μF/ 50 V is required

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