BUL1102EFP

**BUL1102E** High voltage fast-switching NPN power transistor 

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## **Features** 

- High voltage capability 

- Very high switching speed 

## **Applications** 

Four lamp electronic ballast for: 

- 120 V mains in push-pull configuration 

- 277 V mains in half bridge current feed configuration 

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TAB<br>3 3<br>2 2<br>1 1<br>TO-220 TO-220FP<br>**----- End of picture text -----**<br>


## **Description** 

This is a high voltage fast switching NPN power transistor manufactured in multi epitaxial planar technology. It uses a cellular emitter structure with planar edge termination to enhance switching speeds while maintaining a wide RBSOA. 

Thanks to an increased intermediate layer, it has an intrinsic ruggedness which enables the transistor to withstand a high collector current level during breakdown condition, without using the Transil™ protection usually necessary in typical converters for lamp ballast. 

## **Figure 1. Internal schematic diagram** 

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C (2, TAB)<br>(1)<br>B<br>E (3)<br>**----- End of picture text -----**<br>


**Table 1. Device summary** 

|**Order codes**|**Marking**|**Package**|**Packaging**|
|---|---|---|---|
|BUL1102E|BUL1102E|TO-220|Tube|
|BUL1102EFP|BUL1102EFP|TO-220FP|Tube|



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Doc ID 7929 Rev 5 

_www.st.com_ 

**Absolute maximum ratings** 

**BUL1102E** 

## **1 Absolute maximum ratings** 

## **Table 2. Absolute maximum ratings** 

|**Table 2.**|**Absolute maximum ratings**|||
|---|---|---|---|
|**Symbol**|**Parameter**|**Value**|**Unit**|
|VCES|Collector-emitter voltage (VBE= 0)|1100|V|
|VCEO|Collector-emitter voltage (IB= 0)|450|V|
|VEBO|Emitter-base voltage (IC= 0)|12|V|
|IC|Collector current|4|A|
|ICM|Collector peak current (tP< 5 ms)|8|A|
|IB|Base current|2|A|
|IBM|Base peak current (tP< 5 ms)|4|A|
|PTOT|BUL1102E total dissipation at TC= 25°C<br>BUL1102EFP total dissipation at TC= 25 °C|70<br>30|W|
|VISO|BUL1102EFP insolation withstand voltage (RMS) from<br>all three leads to external heatsink|1500|V|
|TSTG|Storage temperature|-65 to 150|°C|
|TJ|Max. operating junction temperature|150|°C|



## **Table 3. Thermal data** 

|**Table 3.**|**Thermal data**|||
|---|---|---|---|
|**Symbol**|**Parameter**|**Value**|**Unit**|
|RthJC|BUL1203E thermal resistance  junction-case|1.8|°C/W|
||BUL1203EFP thermal resistance  junction-case|4.2|°C/W|



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**Electrical characteristics** 

**BUL1102E** 

## **2 Electrical characteristics** 

(TJ = 25 °C; unless otherwise specified) 

## **Table 4. Electrical characteristics** 

|**Symbol**|**Parameter**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|
|ICES|Collector cut-off<br>current (VBE= 0)|VCE=1100 V|||100|µA|
|IEBO|Emitter cut-off current<br>(IC= 0)|VEB= 12 V|||1|mA|
|VCEO(sus)<br>(1)|Collector-emitter<br>sustaining voltage<br>(IB=0)|IC= 100 mA|450|||V|
|VCE(sat)<br>(1)|Collector-emitter<br>saturation voltage|IC= 2 A IB=400 mA|||1.5|V|
|VBE(sat)<br>(1)|Base-emitter<br>saturation voltage|IC= 2 A_IB= 400 mA|||1.5|V|
|hFE<br>(1)|DC current gain|IC= 250 mA_VCE= 5 V<br>IC= 2 A,                         VCE= 5 V<br>for BUL1102E<br>IC= 2 A_VCE= 5 V<br>for BUL1102EFP|35<br>12<br>12||70<br>20<br>23||
|ts<br>tf|Resistive load<br>Storage time<br>Fall time|IC= 2.5 A            VCC= 250 V<br>IB1= 0.5 A          IB2= 1 A<br>TP=30 µs (see_Figure 14_)|||2.5<br>300|µs<br>ns|
|Ear|Avalanche energy|L = 2 mH          C = 1.8 nF<br>IBR ≤2.5 A       25 °C < TC<125 °C<br>(see_Figure 12_)|6|||mJ|



1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 %. 

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**Electrical characteristics** 

**BUL1102E** 

## **2.1 Typical characteristics (curves)** 

**Figure 2. BUL1102E safe operating area** 

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**Figure 3. BUL1102EFP safe operating area** 

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## **Figure 4. Derating curve** 

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## **Figure 5. DC current gain (VCE = 1 V)** 

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**Figure 6. DC current gain (VCE = 5 V)** 

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**Figure 7. Collector emitter saturation voltage** 

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**Electrical characteristics** 

**BUL1102E** 

## **Figure 8. Base emitter saturation voltage Figure 9. Resistive load switching times** 

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## **Figure 10. Inductive load switching times** 

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## **Figure 11. Reverse biased SOA** 

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**Electrical characteristics** 

**BUL1102E** 

## **Figure 12. Energy rating test circuit** 

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## **Figure 13. Inductive load switching test circuit** 

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**Figure 14. Resistive load switching test circuit** 

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**Package mechanical data** 

**BUL1102E** 

## **3 Package mechanical data** 

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK[®] packages, depending on their level of environmental compliance. ECOPACK[®] specifications, grade definitions and product status are available at: _www.st.com_ . ECOPACK[®] is an ST trademark. 

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**Package mechanical data** 

**BUL1102E** 

**Table 5. TO-220 type A mechanical data** 

|**Dim.**|**mm**|**mm**|**mm**|
|---|---|---|---|
||**Min.**|**Typ.**|**Max.**|
|A|4.40||4.60|
|b|0.61||0.88|
|b1|1.14||1.70|
|c|0.48||0.70|
|D|15.25||15.75|
|D1||1.27||
|E|10||10.40|
|e|2.40||2.70|
|e1|4.95||5.15|
|F|1.23||1.32|
|H1|6.20||6.60|
|J1|2.40||2.72|
|L|13||14|
|L1|3.50||3.93|
|L20||16.40||
|L30||28.90||
|∅P|3.75||3.85|
|Q|2.65||2.95|



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**Package mechanical data** 

**BUL1102E** 

## **Figure 15. TO-220 type A drawing** 

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0015988_typeA_Rev_S 

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**Package mechanical data** 

**BUL1102E** 

**Table 6. TO-220FP mechanical data** 

|**Dim.**|**mm**|**mm**|**mm**|
|---|---|---|---|
||**Min.**|**Typ.**|**Max.**|
|A|4.4||4.6|
|B|2.5||2.7|
|D|2.5||2.75|
|E|0.45||0.7|
|F|0.75||1|
|F1|1.15||1.70|
|F2|1.15||1.70|
|G|4.95||5.2|
|G1|2.4||2.7|
|H|10||10.4|
|L2||16||
|L3|28.6||30.6|
|L4|9.8||10.6|
|L5|2.9||3.6|
|L6|15.9||16.4|
|L7|9||9.3|
|Dia|3||3.2|



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**Package mechanical data** 

**BUL1102E** 

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Figure 16. TO-220FP drawing<br>**----- End of picture text -----**<br>


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L7<br>E<br>A<br>B<br>D<br>Dia<br>L5<br>L6<br>F1 F2<br>F<br>H G<br>G1<br>L2 L4<br>L3<br>7012510_Rev_K<br>**----- End of picture text -----**<br>


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**Revision history** 

**BUL1102E** 

## **4 Revision history** 

## **Table 7. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|17-Jan-2008|3||
|24-Mar-2011|4|Inserted BUL1102EFP order code in TO-220FP package|
|15-Feb-2012|5|DC current gain values in_Table 4_modified|



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**BUL1102E** 

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