TMR 2-4812WI TRACOPOWER, TMR 2-4812WI Datasheet - Page 2

• Manufacturer Part Number: TMR 2-4812WI
• Description: CONVERTER, DC/DC, 2W, 12V/0.17A
• Manufacturer: TRACOPOWER

Specifications of TMR 2-4812WI

• Output Type: Single
• No. Of Output Channels: 1
• Input Voltage: 18V To 75V
• Power Rating: 2W
• Output Voltage: 12V
• Output Current: 165mA
• Supply Voltage: 48V
• Dc / Dc Converter Case Style: SIP
• Isolation: RoHS Compliant
• Dc / Dc Converter O/p Type: Single
• No. Of Outputs: 1
• Rohs Compliant: Yes

All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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Input Specifications
Input current at no load (nominal input)
Input current at full load (nominal input)
Surge voltage (100 msec. max.)
Reverse voltage protection
Input Filter
Start up time
Output Specifications
Voltage set accuracy
Regulation
Temperature coefficient
Ripple and noise (20 MHz Bandwidth)
Transient Response (25% load step change)
Short circuit protection
Capacitive load
General Specifications
Temperature ranges
Humidity (non condensing)
Reliability, calculated MTBF (MIL-HDBK-217F ground benign)
Isolation voltage (60 sec)
Isolation capacitance
Isolation resistance
Switching frequency
Remote On/Off control
Case material
Potting material
Weight
– Input variation Vin min. to Vin max.
– Load variation 10 – 100 %
– Operating
– Case temperature
– Storage
– Input/Output
– Input/Output
– Input/Output (500 VDC)
– On:
– Off:
– Off stand by input current
±5 VDC / ±12 VDC models: 470 µF max. / 100 µF max. (each output)
3.3 VDC / 5 VDC models: 2’200 µF max. / 1’000 µF max.
12 VDC / 15VDC models: 170 µF max. / 110 µF max.
single output models: 0.75 % max.
dual output models: 1.0% max. (balanced load)
±15 VDC models: 47 µF max. (each output)
24 Vin models: 20 mA typ.
48 Vin models: 15 mA typ.
24 Vin models: 110 mA typ.
48 Vin models: 55 mA typ.
24 Vin models: 50 V max.
48 Vin models: 100 V max.
0.5 A max.
capacitor type
< 1ms (at nominal input and resistive load)
± 2 %
0.5 % max.
± 0.1 %/°C
50 mVpk-pk max
300 µs typ.
constant current (automatic recovery)
– 40 °C ... + 75 °C (no derating)
+100 °C max.
– 55 °C ... + 105 °C
95 % rel. H max.
> 1 Mio h @ 25°C
1’500 VDC
500 pF max.
> 1‘000 M Ohm
100 to 650 kHz (PFM)
<0.6 VDC or open
2.7...15 VDC
0.2 mA max.
non-conductive plastic
epoxy, UL94V-0 - rated
6.5g (0.23oz)
DC/DC Converters
TMR 2WI Series
Page 2 of 3
2 Watt