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18 49 range road windham, nh 03087 (603) 893-2330 fax (603) 893-6280 sc20a series ordering information dimensions and connections input voltage output output model range voltage current number 9-36 vdc 3.3 vdc 4500ma sc20a17-450-18 9-36 vdc 5 vdc 4000 ma sc20a11-400-18 9-36 vdc 12 vdc 1670ma sc20a12-167-18 9-36 vdc 15 vdc 1340ma sc20a13-134-18 9-36 vdc 12 vdc 840ma sc20a22-167-18 9-36 vdc 15 vdc 667ma sc20a23-134-18 18-75 vdc 3.3 vdc 4500ma sc20a17-450-46 18-75 vdc 5 vdc 4000ma sc20a11-400-46 18-75 vdc 12 vdc 1670ma sc20a12-167-46 18-75 vdc 15 vdc 1340ma sc20a13-134-46 18-75 vdc 12 vdc 840ma sc20a22-167-46 18-75 vdc 15 vdc 667ma sc20a23-134-46 36-75 vdc 3.3 vdc 4500ma SC20A17-450-48 36-75 vdc 5 vdc 4000ma sc20a11-400-48 36-75 vdc 12 vdc 1670ma sc20a12-167-48 36-75 vdc 15 vdc 1340ma sc20a13-134-48 36-75 vdc 12 vdc 840ma sc20a22-167-48 36-75 vdc 15vdc 667ma sc20a23-134-48 external output trimming: output may be externally trimmed 10%. remote on/off control (pin 4) common referenced to - input (pin 2). on greater than 2.5 vdc or open circuit off less than 0.8 vdc pin connections single output 1. +input 2. -input 3. no pin 4. remote on/off 5. no pin 6. +output 7. common 8. trim notes: 1. ripple measured with a 3.3 mf tantalum capacitor across each output. 2. minimum load 10% of full load. load regulation from full load to minimum load. 3. the sc20a series requires an external filter capacitor across the input valued at 2.2f @ 100vdc such as itw/paktron part# 225k100ra4 or equiv. 4. case conected to pin #1 on -46 and -48 models. case connected to pin #2 on -18 models pin connections dual outputs 1. +input 2. -input 3. no pin 4. remote on/off 5. +output 6. c ommon 7. -output 8. trim 11/01/2001
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