Data Sheet
TEL 8WI Series, 8 Watt
http://www.tracopower.com Page 2 of 3
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
Input Specifications
Input current no load 24 Vin models: 10 mA typ.
48 Vin models: 8 mA typ.
Surge voltage (1 sec. max.) 24 Vin models: 50 V max.
48 Vin models: 100 V max.
Start-up voltage 24 Vin models: 9 VDC (or lower)
48 Vin models: 18 VDC (or lower)
Under voltage shut down 24 Vin models: 8 VDC typ.
48 Vin models: 16 VDC typ.
EMC emissions – Conducted suppression on input EN 55032 class A (internal filter)
EN 55032 class B (external filter)
– Radiated suppression on input EN 55032 class A (external filter)
– External filter proposal see Application note www.tracopower.com/overview/tel8wi
EMC immunity EN 55024
– ESD (electrostatic discharge) EN 61000-4-2, ±8 kV/±6 kV, perf. criteria A
– Radiated immunity EN 61000-4-3, 20 V/m, perf. criteria A
– Fast transient / surge EN 61000-4-4, ±2 kV, perf. criteria A
(with external input capacitor) EN 61000-4-5, ±1 kV perf. criteria A
External input capacitor: Nippon chemi-con KY 220 µF / 100 V
– Conducted immunity EN 61000-4-6, 10 Vrms, perf. criteria A
– Magnetic field immunity EN 61000-4-8, 100 A/m, perf. criteria A
Output Specifications
Voltage set accuracy ±2 % max.
Voltage balance (dual output models) 2 % max.
Regulation – Input variation 0.8 % max.
– Load variation 0 – 100 % 1 % max.
Minimum load not required
Temperature coefficient ±0.02 %/K typ.
Ripple and noise (20 MHz Bandwidth) 55 mVp-p max.
Start up time 35 ms typ.
Transient response – Recovery time (25% load step change) 500 µs max.
– Deviation ±5.0 % max.
Current limitation at 150 % typ. of Iout max.
Short circuit protection hiccup mode, automatic recovery
Capacitive load –Single output 3.3 & 5.0 VDC models: 680 µF max.
12 & 15 VDC models: 330 µF max.
24 VDC models: 150 µF max.
–Dual output ±12 & ±15 VDC models: 150 µF max. (each output)
General Specifications
Temperature ranges – Operating (convection cooling 20LFM, 0,1m/s) –40°C to +80°C
– Case temperature +105°C max.
– Storage temperature –50°C to +125°C
Derating 5 %/K above 70°C
Humidity (non condensing) 95 % rel H max.
Isolation voltage – Isolation test voltage (tested for 1 sec.) 1‘800 Vpk
– I/O isolation voltage (60 sec.) 1’500 VDC
Isolation capacitance (input/output) 500 pF typ.
Isolation resistance (input/output) >1 Gohm
Altitude during operation 5000 m